Zulip Chat Archive
Stream: new members
Topics:
- ✔ natural number game 6/11 (32 messages, latest: May 01 2025 at 22:42)
- alok singh (7 messages, latest: May 01 2025 at 22:04)
- Fully qualified identifiers, and possible "aliases"? (24 messages, latest: May 01 2025 at 21:41)
- Jonathan Hanke / Quadratic Forms Formalization (8 messages, latest: May 01 2025 at 20:54)
- Morgan Arnold (7 messages, latest: May 01 2025 at 20:33)
- Lean's stack size (58093 ought to be enough for anybody?) (5 messages, latest: May 01 2025 at 18:10)
- How to apply
whnf
to hypotheses in a tactic? (1 message, latest: May 01 2025 at 10:01) - ✔ how to cancel
fun
(12 messages, latest: May 01 2025 at 09:40) - Inductive definition on (Fin n)? (27 messages, latest: May 01 2025 at 01:06)
- Reasoning about Fin types (5 messages, latest: Apr 30 2025 at 23:10)
- Finding implementations of classes / operators in IDE (4 messages, latest: Apr 30 2025 at 22:24)
- Constructing a group generated by a shift permutation (22 messages, latest: Apr 30 2025 at 20:58)
- IsLeftCancelMul ℝ (2 messages, latest: Apr 30 2025 at 18:45)
- proof help (36 messages, latest: Apr 30 2025 at 17:13)
- content (3 messages, latest: Apr 30 2025 at 14:56)
- ✔ error with different deriv uses (6 messages, latest: Apr 30 2025 at 14:15)
- ✔ problem with universes in a Sum (26 messages, latest: Apr 30 2025 at 13:18)
- permu (3 messages, latest: Apr 30 2025 at 11:34)
- Is it safe to interpret
Quiver
as a digraph? (30 messages, latest: Apr 30 2025 at 08:40) - Mathlib.Tactic import error (4 messages, latest: Apr 30 2025 at 01:29)
- Kabelo Moiloa (17 messages, latest: Apr 30 2025 at 01:00)
- How to create instance of Decidable? (9 messages, latest: Apr 29 2025 at 21:37)
- Stuck on first project - simplification on struct fields (2 messages, latest: Apr 29 2025 at 19:50)
- Don't understand TangentBundle & sections (26 messages, latest: Apr 29 2025 at 17:17)
- Most conventional way to match nonzero natural numbers (3 messages, latest: Apr 29 2025 at 16:26)
- Prop-valued substructure (3 messages, latest: Apr 29 2025 at 14:29)
- The copy buttons in VScode InfoView have disappeared (13 messages, latest: Apr 29 2025 at 09:07)
- Creating a case analysis lemma for a function (9 messages, latest: Apr 29 2025 at 07:56)
- ✔ Unknown identifier problem (4 messages, latest: Apr 29 2025 at 05:09)
- How to construct a frame with two elements (4 messages, latest: Apr 29 2025 at 02:35)
- ✔ what does highlighting in goal state mean? (7 messages, latest: Apr 29 2025 at 01:43)
- How to prove (x^ (1/3 : ℝ))^(3:ℝ) = x (15 messages, latest: Apr 28 2025 at 21:57)
- ✔ Lovely little nightmare with subtypes and ranges and Inf-s (4 messages, latest: Apr 28 2025 at 18:07)
- simp doesn't work until I remove certain theorem (27 messages, latest: Apr 28 2025 at 15:45)
- Question on exact? (3 messages, latest: Apr 28 2025 at 03:45)
- ✔ Mapping property across isomorphism (9 messages, latest: Apr 27 2025 at 20:44)
- Need help with ugly proof involving Fin and calc (1 message, latest: Apr 27 2025 at 17:43)
- its a rw bug? (4 messages, latest: Apr 27 2025 at 15:20)
- Unfolding a definition (4 messages, latest: Apr 27 2025 at 14:12)
- 0 < ε ≤ 0.5 (joke) (2 messages, latest: Apr 27 2025 at 13:26)
- ✔ How should i do a decidableEq instance? (10 messages, latest: Apr 27 2025 at 13:23)
- ✔ ContinousLinearMap of Prod.mk (11 messages, latest: Apr 27 2025 at 11:56)
- May I add
Equiv.Perm.center_eq_bot
to Mathlib? (2 messages, latest: Apr 27 2025 at 06:40) - is there a version of convert_to that tries simp? (2 messages, latest: Apr 27 2025 at 03:54)
- ✔ Sum of distinct roots whose multiplicities ≤ roots.card. (4 messages, latest: Apr 27 2025 at 03:20)
- Nat.pair_unpair rewrite not working (6 messages, latest: Apr 27 2025 at 00:48)
- ✔ Gal (10 messages, latest: Apr 26 2025 at 23:12)
- Euler number (Real.exp 1) is transcendental (27 messages, latest: Apr 26 2025 at 21:43)
- ✔ is there a name for simple inclusion map (20 messages, latest: Apr 26 2025 at 19:13)
- ✔ Pick specific goals by name to work on in parallel (10 messages, latest: Apr 26 2025 at 14:42)
- List of group elements using types (3 messages, latest: Apr 26 2025 at 14:28)
- Creating a simple tactic (3 messages, latest: Apr 26 2025 at 08:48)
- On repeated rewrites (9 messages, latest: Apr 26 2025 at 05:17)
- Using pigeonhole principle (7 messages, latest: Apr 25 2025 at 18:23)
- An edge case for (a - b : ℕ) in omega? (2 messages, latest: Apr 25 2025 at 06:50)
- ✔ How to differentiate an expression? (14 messages, latest: Apr 25 2025 at 01:32)
- "Stack overflow detected. Aborting." (23 messages, latest: Apr 24 2025 at 20:41)
- ✔ hard time with cats (16 messages, latest: Apr 24 2025 at 20:23)
- Nested inductive datatypes with vectors (6 messages, latest: Apr 24 2025 at 20:02)
- ASCII not allowed in constant names/identifiers? (8 messages, latest: Apr 24 2025 at 15:53)
- Introduction: Tom Wilkinson (3 messages, latest: Apr 24 2025 at 13:49)
- How to deal with equalities over
BitVec.cast
(37 messages, latest: Apr 24 2025 at 13:20) - How to set timeout for one command for lean repl (1 message, latest: Apr 24 2025 at 07:03)
- ✔ Omega and UInt64 (4 messages, latest: Apr 24 2025 at 04:51)
- ✔ equivalent letter combination for
𝕜
(38 messages, latest: Apr 24 2025 at 03:36) - Listing all identifiers (7 messages, latest: Apr 23 2025 at 20:45)
- Jordan Canonical Form (3 messages, latest: Apr 23 2025 at 19:49)
- What is the best computer configuration for writing Lean? (3 messages, latest: Apr 23 2025 at 15:22)
- ✔ Cannot decide 4 is a square in v4.16.0 (20 messages, latest: Apr 23 2025 at 14:55)
- Dot notation with type classes (5 messages, latest: Apr 23 2025 at 12:01)
- Can't manage to build dependency graph in Leanblueprint (5 messages, latest: Apr 23 2025 at 09:15)
- Something like
#print dependencies my_theorem
? (5 messages, latest: Apr 23 2025 at 08:52) - Need help proving termination! (4 messages, latest: Apr 22 2025 at 22:45)
- question regarding proof about wreath product (7 messages, latest: Apr 22 2025 at 18:22)
- Introduction: Qinggao Hong (2 messages, latest: Apr 22 2025 at 15:50)
- Collaborations looking for volunteers (9 messages, latest: Apr 22 2025 at 09:29)
- simplify a match pattern nested within another function (22 messages, latest: Apr 21 2025 at 19:55)
- Induction on sum of parameters (8 messages, latest: Apr 21 2025 at 18:47)
- ✔ Weird type errors (6 messages, latest: Apr 21 2025 at 18:18)
- ✔ checking equivalence of the proof steps (7 messages, latest: Apr 21 2025 at 09:37)
- shortening ContinuousOn Proof (10 messages, latest: Apr 21 2025 at 09:10)
- defining subsequence (7 messages, latest: Apr 21 2025 at 05:33)
- Reindexing index-0 sum to index-1 sum (5 messages, latest: Apr 21 2025 at 02:05)
- ✔ clearer view of proof state in VSCode? (8 messages, latest: Apr 20 2025 at 21:51)
- ✔ Reducing/unfolding definition of determinant (10 messages, latest: Apr 20 2025 at 21:25)
- Using rw at QuotientGroup (4 messages, latest: Apr 20 2025 at 13:03)
- ✔ Proving ℝ[X] ⧸ (X^2 - 1) ≃+* ℝ × ℝ (11 messages, latest: Apr 20 2025 at 03:28)
- ✔ Can we set a new goal out of thin air? (11 messages, latest: Apr 20 2025 at 03:03)
- ✔ How to make a docstring for @[mk_iff]? (5 messages, latest: Apr 20 2025 at 00:59)
- Proved triangle inequality for angles (6 messages, latest: Apr 19 2025 at 19:54)
- ✔ List.map with membership hypothesis (4 messages, latest: Apr 19 2025 at 17:35)
- Hampus Nyberg (4 messages, latest: Apr 19 2025 at 16:05)
- Add an unsolved goal with special conditions (32 messages, latest: Apr 19 2025 at 10:20)
- ✔ Prevent package from building a dependency? (4 messages, latest: Apr 18 2025 at 18:53)
- Outdated quickstart instructions? (43 messages, latest: Apr 18 2025 at 09:25)
- How to resolve sorry in a Lean proof involving complex expon (2 messages, latest: Apr 18 2025 at 09:03)
- can someone help in checking this proof in lean (7 messages, latest: Apr 18 2025 at 08:59)
- how can i prove things inside dos? (11 messages, latest: Apr 18 2025 at 08:39)
- ✔ a question about writing tactic (15 messages, latest: Apr 18 2025 at 08:32)
- difference between Haskell and Lean (7 messages, latest: Apr 18 2025 at 07:38)
- ✔ How to delete a hypothesis by its name in a tactic? (12 messages, latest: Apr 18 2025 at 07:17)
- Prove: Vitali set in not measurable (55 messages, latest: Apr 18 2025 at 03:18)
- How to remove quantifiers for specific instances of a SAT? (7 messages, latest: Apr 17 2025 at 22:37)
- Possible to eliminate impossible cases? without proofs? (2 messages, latest: Apr 17 2025 at 21:30)
- Function coercion for Reproducing Kernel Hilbert Spaces (3 messages, latest: Apr 17 2025 at 18:09)
- Check which domains 'lake' accesses? (4 messages, latest: Apr 17 2025 at 16:36)
- function (2 messages, latest: Apr 17 2025 at 06:01)
- How to use Rational Root Theorem? (14 messages, latest: Apr 16 2025 at 22:36)
- simple polynomial (3 messages, latest: Apr 16 2025 at 21:48)
- Top in (Fin n) is n-1 (5 messages, latest: Apr 16 2025 at 19:49)
- Don't get expected type error from pattern var clash (19 messages, latest: Apr 16 2025 at 18:15)
- ✔ Having trouble proving Summable (14 messages, latest: Apr 16 2025 at 15:36)
- ✔ Lexicographic induction on custom predicates (11 messages, latest: Apr 16 2025 at 12:59)
- Having trouble proving something elementary in ENNReal (12 messages, latest: Apr 16 2025 at 09:49)
- How to do differentiation on concrete multivariable function (71 messages, latest: Apr 16 2025 at 07:26)
- Need help with using Fin n in a proof (4 messages, latest: Apr 16 2025 at 07:21)
- ✔ How to prove the continuity of Interval Integral Map?in (2 messages, latest: Apr 16 2025 at 04:42)
- ✔ theorem (4 messages, latest: Apr 16 2025 at 01:48)
- ✔ Is local recursive definition broken in proof mode? (57 messages, latest: Apr 15 2025 at 21:17)
- How to use extract_goal result in original proof (10 messages, latest: Apr 15 2025 at 21:16)
- ✔ IsGalois (4 messages, latest: Apr 15 2025 at 16:26)
- Norm (1 message, latest: Apr 15 2025 at 15:27)
- ✔ aux (3 messages, latest: Apr 15 2025 at 13:20)
- coercing between types with different instances (14 messages, latest: Apr 15 2025 at 09:28)
- ✔ protected inside typeclass (5 messages, latest: Apr 15 2025 at 09:26)
- ✔ Double induction to prove antisymmetry for partial order (18 messages, latest: Apr 15 2025 at 08:40)
- ✔ cyclic permutation (17 messages, latest: Apr 15 2025 at 06:25)
- ✔ prime (3 messages, latest: Apr 15 2025 at 05:11)
- ✔ Infinite (Aut ℂ) (4 messages, latest: Apr 15 2025 at 04:11)
- ✔ Groebner (8 messages, latest: Apr 15 2025 at 04:10)
- ✔ finset sum inequality (8 messages, latest: Apr 15 2025 at 04:08)
- ✔ How to use IO.println(or other IO functions) to print M… (9 messages, latest: Apr 15 2025 at 02:12)
- Int/Nat conversions (5 messages, latest: Apr 14 2025 at 20:51)
- ✔ Hiding notations or macros? (70 messages, latest: Apr 14 2025 at 20:48)
- Working with positive nat and sequences (9 messages, latest: Apr 14 2025 at 20:08)
- ✔ FractionGroup (4 messages, latest: Apr 14 2025 at 12:21)
- Type casting proof (28 messages, latest: Apr 14 2025 at 11:13)
- Help with First Proof (60 messages, latest: Apr 14 2025 at 04:35)
- Code compilation is setup dependent (8 messages, latest: Apr 13 2025 at 22:26)
- ✔ ZMod.natCast_self (9 messages, latest: Apr 13 2025 at 20:13)
- ✔ GaloisGroup.generator (6 messages, latest: Apr 13 2025 at 17:52)
- ✔ constructing subgroups (16 messages, latest: Apr 13 2025 at 17:52)
- Type-level dhashmap["name"]'h doesn't reduce to value (13 messages, latest: Apr 13 2025 at 17:16)
- Error message from omega (4 messages, latest: Apr 13 2025 at 17:06)
- ✔ about the
▸
(4 messages, latest: Apr 13 2025 at 16:23) - ✔ From Expr to Prop when defining new tactic (4 messages, latest: Apr 13 2025 at 13:50)
- ✔ How to guarantee decidablity of equality (4 messages, latest: Apr 13 2025 at 08:24)
- FractionRing (5 messages, latest: Apr 13 2025 at 04:04)
- Simple proofs using ChatGPT (2 messages, latest: Apr 13 2025 at 03:52)
- Help on Galois Fields (47 messages, latest: Apr 12 2025 at 23:55)
- Difference between DiscrTree.getMatch and DiscrTree.getUnify (1 message, latest: Apr 12 2025 at 20:04)
- Finset of subtype 2 (13 messages, latest: Apr 12 2025 at 18:47)
- Using coercions (6 messages, latest: Apr 12 2025 at 14:22)
- instantiation (4 messages, latest: Apr 12 2025 at 12:27)
- submodule (8 messages, latest: Apr 12 2025 at 07:26)
- How to set
trace
? (3 messages, latest: Apr 12 2025 at 06:57) - Something about how to use theorem (8 messages, latest: Apr 12 2025 at 06:42)
- lambda calc formalization (29 messages, latest: Apr 12 2025 at 04:23)
- ✔ Trouble escaping scalar multiplication in
Module ℚ≥0 ℝ
(5 messages, latest: Apr 11 2025 at 19:44) - ✔ How to prove a piecewise linear function is continuous ? (7 messages, latest: Apr 11 2025 at 13:54)
- reaslab.io (4 messages, latest: Apr 11 2025 at 08:26)
- Is the infinitary Ramsey theorem in mathlib? (10 messages, latest: Apr 11 2025 at 01:46)
- MIL.Common (8 messages, latest: Apr 10 2025 at 21:03)
- Proof that HashSets don't have any overlap (10 messages, latest: Apr 10 2025 at 16:55)
- How do I show that Affine maps preserve measureable sets? (16 messages, latest: Apr 10 2025 at 16:17)
- Explicit representation of EuclideanSpace.single (26 messages, latest: Apr 10 2025 at 11:05)
- monotone inverse le (24 messages, latest: Apr 10 2025 at 06:51)
- Having trouble reasoning about Sigma types (6 messages, latest: Apr 10 2025 at 04:03)
- ✔ Polynomial powers (5 messages, latest: Apr 10 2025 at 02:44)
- Exclude zero terms from the sum (15 messages, latest: Apr 10 2025 at 00:23)
- Universe constraint solving problem (4 messages, latest: Apr 09 2025 at 23:35)
- Examples highlighting "unique" capabilities of tactics (116 messages, latest: Apr 09 2025 at 21:30)
- Tactic strength pairs: correctness and completeness (20 messages, latest: Apr 09 2025 at 18:20)
- ✔ Failed to synthesize GetElem (17 messages, latest: Apr 09 2025 at 18:04)
- ✔ Stuck on proof involving sSup (4 messages, latest: Apr 09 2025 at 15:36)
- General group homomorphism definition (12 messages, latest: Apr 09 2025 at 13:26)
- Set Theory Game - Family Intersections 6 (3 messages, latest: Apr 09 2025 at 07:18)
- Finding an abstract type in a heterogeneous list (19 messages, latest: Apr 09 2025 at 06:15)
- ✔ How to synth CommGroup of MulEquiv (13 messages, latest: Apr 09 2025 at 00:56)
- Mouseover doesn't match comment (3 messages, latest: Apr 09 2025 at 00:21)
- ✔ DotProduct Lipschitz (3 messages, latest: Apr 08 2025 at 22:45)
- BitVec dependent type problem (31 messages, latest: Apr 08 2025 at 21:06)
- ✔ Question about Sigma type (5 messages, latest: Apr 08 2025 at 18:04)
- How to define a norm of a ContinuousLinearMap (12 messages, latest: Apr 08 2025 at 14:33)
- What's the lean4 code of this simple problem?I am a newbie. (6 messages, latest: Apr 08 2025 at 09:02)
- ✔ Stuck updating (5 messages, latest: Apr 08 2025 at 04:22)
- How to express that roots of a polynomial are real (3 messages, latest: Apr 08 2025 at 01:36)
- Proof about sum of digits mod 9 (17 messages, latest: Apr 07 2025 at 23:11)
- Formalizing simple theorem involving division (4 messages, latest: Apr 07 2025 at 21:48)
- Gram–Schmidt process for three vectors… (5 messages, latest: Apr 07 2025 at 18:15)
- Proper way to use dependent types as function's return type (19 messages, latest: Apr 07 2025 at 18:12)
- Toby Cathcart Burn (4 messages, latest: Apr 07 2025 at 17:44)
- [arccos(ab) <= arccos(a) + arccos(b), asking for help/ideas](topic/arccos(ab).20.3C.3D.20arccos(a).20.2B.20arccos(b).2C.20asking.20for.20help.2Fideas.html) (7 messages, latest: Apr 07 2025 at 13:52)
- "[…] does not depend on any axioms" and "implicit axioms" (29 messages, latest: Apr 07 2025 at 13:09)
- Number of planar points in 3d linear space over finite field (4 messages, latest: Apr 07 2025 at 09:26)
- ✔ How to update Mathlib to v4.11.0? (10 messages, latest: Apr 07 2025 at 07:35)
- ✔ contradiction can't work (23 messages, latest: Apr 07 2025 at 03:35)
- ✔ lean calculations (9 messages, latest: Apr 07 2025 at 01:38)
- Experiment with type classes (11 messages, latest: Apr 06 2025 at 23:05)
- Unable to create project using mathlib in WSL 1 (9 messages, latest: Apr 06 2025 at 19:31)
- Matrix inverse and group structure (16 messages, latest: Apr 06 2025 at 19:03)
- infinitely many primes satisfying a property (5 messages, latest: Apr 06 2025 at 16:09)
- ✔ How to narrow inductive using one branch -> False (31 messages, latest: Apr 06 2025 at 15:41)
- ✔ How to prove possibility P<=1? (12 messages, latest: Apr 06 2025 at 09:33)
- x^3 is convex on positive (3 messages, latest: Apr 06 2025 at 07:21)
- understanding Algebra.discr (5 messages, latest: Apr 06 2025 at 06:49)
- How to set hypotheses with
variable
command correctly? (3 messages, latest: Apr 05 2025 at 21:59) - Why doesn't typing "\8" produce ₈ in VS Code? (16 messages, latest: Apr 05 2025 at 15:58)
- Stuck in algebra proof (3 messages, latest: Apr 05 2025 at 15:35)
- Questions about lists (6 messages, latest: Apr 05 2025 at 10:13)
- ✔ More questions about lists (4 messages, latest: Apr 05 2025 at 09:16)
- help to prove roots = {a,b} (a = b) (1 message, latest: Apr 05 2025 at 07:56)
- Trouble making proof of Archimedean_Property more effcient (8 messages, latest: Apr 05 2025 at 01:57)
- help in question (22 messages, latest: Apr 04 2025 at 21:47)
- clarify (beginner) thinking about automated proof checking (5 messages, latest: Apr 04 2025 at 21:27)
- Finset.sum where term takes finite number of values (15 messages, latest: Apr 04 2025 at 19:13)
- Introduction: Victor Locherer (1 message, latest: Apr 04 2025 at 13:39)
- Fin and positivity error (4 messages, latest: Apr 04 2025 at 07:11)
- help with lean proofs for new number system (30 messages, latest: Apr 04 2025 at 06:26)
- How to learn the group theory in lean4 (4 messages, latest: Apr 04 2025 at 05:29)
- Evaluating Polynomial Z on real number (7 messages, latest: Apr 04 2025 at 01:10)
- ✔ Alternative to Finset.prod for noncommutative groups? (9 messages, latest: Apr 03 2025 at 22:47)
- ✔ Understanding definitional equality for pattern matching (78 messages, latest: Apr 03 2025 at 22:33)
- Show that the inverse function is continuous (2 messages, latest: Apr 03 2025 at 12:50)
- Rewriting equalities in term mode (5 messages, latest: Apr 03 2025 at 12:19)
- Simplifying implicit arguments (14 messages, latest: Apr 03 2025 at 11:41)
- [✔ positivity cannot prove 0 ≤ xx](topic/.E2.9C.94.20positivity.20cannot.20prove.200.20.E2.89.A4.20xx.html) (16 messages, latest: Apr 03 2025 at 11:08)
- how to formalize this theorem in Lean4? (13 messages, latest: Apr 03 2025 at 09:06)
- Bounding sin(20°) (36 messages, latest: Apr 03 2025 at 01:23)
- ✔ autogen helper lemmas for instances? (6 messages, latest: Apr 02 2025 at 22:22)
- variable visibility in
theorem
vsdef
(book example) (3 messages, latest: Apr 02 2025 at 18:52) - Difference between function and dependent type (6 messages, latest: Apr 02 2025 at 17:20)
- Rule of thumb:
cases
,cases'
,rcases
vs.rintro
(6 messages, latest: Apr 02 2025 at 15:20) - ✔ Inductive families question (31 messages, latest: Apr 02 2025 at 12:47)
- Where is the axiom
ofReduceNat
used? (13 messages, latest: Apr 02 2025 at 10:18) - Alessandro Nanto (20 messages, latest: Apr 02 2025 at 08:09)
- ✔ How to use the definiton of prime numbers (5 messages, latest: Apr 02 2025 at 01:08)
- Area of a polygon (3 messages, latest: Apr 01 2025 at 21:19)
- Is this provable without using native_decide? (15 messages, latest: Apr 01 2025 at 19:03)
- enumeration method in Lean (2 messages, latest: Apr 01 2025 at 19:01)
- matching on Finset (9 messages, latest: Apr 01 2025 at 13:36)
- The equivalence of iff and entailment (7 messages, latest: Apr 01 2025 at 12:20)
- ✔ Can I try the method of listing terms to solve this pro… (11 messages, latest: Apr 01 2025 at 05:44)
- Polymorphic Round Function (4 messages, latest: Apr 01 2025 at 03:12)
- Basic graph data structure (5 messages, latest: Mar 31 2025 at 22:08)
- Where is sSup defined on submodules? (52 messages, latest: Mar 31 2025 at 15:01)
- paraconsistent logic (2 messages, latest: Mar 31 2025 at 12:13)
- How to prove linear form of element given a PowerBasis? (6 messages, latest: Mar 31 2025 at 10:18)
- writing trace in Finset.sum (6 messages, latest: Mar 31 2025 at 08:03)
- show step by step derivation from a tactic based proof? (3 messages, latest: Mar 31 2025 at 07:30)
- Extension VS Code to render Lean file (2 messages, latest: Mar 30 2025 at 17:19)
- is leansearch.net down? (9 messages, latest: Mar 30 2025 at 15:22)
- ✔ about a+b+c =1 then a^2/b + b^2/c + c^2/a ≥ 1 (12 messages, latest: Mar 30 2025 at 08:05)
- ✔ Desmonstrating Q_8 is a group (6 messages, latest: Mar 30 2025 at 05:44)
- ✔ Bijection from
Setoid S
toFinpartiton (Finset.univ)
(5 messages, latest: Mar 30 2025 at 04:51) - ✔ get the roots of polynomial (5 messages, latest: Mar 30 2025 at 03:54)
- Chaining dot notation (3 messages, latest: Mar 30 2025 at 02:44)
- List monad (34 messages, latest: Mar 30 2025 at 02:25)
- ✔ Inner instance issue (4 messages, latest: Mar 29 2025 at 12:40)
- Examples of distinct "axiom sets" (13 messages, latest: Mar 29 2025 at 12:23)
- Compute
card (Setoid S)
(33 messages, latest: Mar 29 2025 at 11:59) - ✔ How to decide ZMod equality with inv (9 messages, latest: Mar 29 2025 at 08:06)
- Confusion about cases' (7 messages, latest: Mar 28 2025 at 21:35)
- How to show value of padicValNat (26 messages, latest: Mar 28 2025 at 16:39)
- how to def a transfrom from ℚ_[p]⟦X⟧ →ℚ_[p]⟦X⟧ (3 messages, latest: Mar 28 2025 at 16:01)
- ✔ Intuition for quotient types (28 messages, latest: Mar 28 2025 at 16:01)
- sort finsets (3 messages, latest: Mar 28 2025 at 12:38)
- Yoneda lemma and category theory in Lean (2 messages, latest: Mar 28 2025 at 11:04)
- ✔ fail to synthesize instance (4 messages, latest: Mar 28 2025 at 04:56)
- ✔ Stuck in orange bar hell again (5 messages, latest: Mar 27 2025 at 22:53)
- How to get rid of decidable clause in a polymorphic function (3 messages, latest: Mar 27 2025 at 14:29)
- ✔ can I simp a divisors.prod to calculate its specific va… (8 messages, latest: Mar 27 2025 at 12:22)
- I can't install lean's version manager Elan (4 messages, latest: Mar 27 2025 at 08:44)
- How to calculate a easy function's derivative? (3 messages, latest: Mar 27 2025 at 08:18)
- how to define a function with already exist one (6 messages, latest: Mar 27 2025 at 06:31)
- Describe coproducts in Sets (9 messages, latest: Mar 27 2025 at 01:44)
- ✔ Should you avoid overusing by trivial? (4 messages, latest: Mar 27 2025 at 00:37)
- Appropriate nondeterminism monad (8 messages, latest: Mar 26 2025 at 20:51)
- Get smallest k elements of a Set of natural numbers (11 messages, latest: Mar 26 2025 at 20:41)
- Self-studying Lean4 with Software Foundations? (12 messages, latest: Mar 26 2025 at 18:19)
- elan not installing manually (7 messages, latest: Mar 26 2025 at 16:04)
- How to apply
gcd_dvd_iff_exists
(4 messages, latest: Mar 26 2025 at 14:28) - EuclideanDomain.gcd (14 messages, latest: Mar 26 2025 at 10:06)
- Question about List.Mem (16 messages, latest: Mar 26 2025 at 09:17)
- Definitions of "defeq", "diamond" and "β/δ/η/ζ reductions" (14 messages, latest: Mar 26 2025 at 08:46)
- Summer project: dynamics and ergodic theory (80 messages, latest: Mar 26 2025 at 07:19)
- Use
structure
orclass
as aProp
(8 messages, latest: Mar 25 2025 at 23:32) - ✔ Typeclass instance problem stuck… (14 messages, latest: Mar 25 2025 at 22:02)
- ✔ Proving fields have finitely many ideals (12 messages, latest: Mar 25 2025 at 19:38)
- Induction over products is too strong? (4 messages, latest: Mar 25 2025 at 19:20)
- Algebra type class inference (1 message, latest: Mar 25 2025 at 19:06)
- unexpected identifier while trying to define a tactic (11 messages, latest: Mar 25 2025 at 18:31)
- Why apply work in an unexpected situation (2 messages, latest: Mar 25 2025 at 17:28)
- Mathlib symbols not showing in VSCode for suggestions (14 messages, latest: Mar 25 2025 at 17:04)
- summable proving (11 messages, latest: Mar 25 2025 at 16:31)
- ✔ Variables and linarith (8 messages, latest: Mar 25 2025 at 14:49)
- Conventions regarding length in lists (1 message, latest: Mar 25 2025 at 14:29)
- singleton Set to element (6 messages, latest: Mar 25 2025 at 14:08)
- ✔ How to use
RingEquiv
as aProp
(7 messages, latest: Mar 25 2025 at 12:21) - How to increase stack size in vscode (3 messages, latest: Mar 25 2025 at 09:40)
- Apply a coercion to both sides of an equation (5 messages, latest: Mar 25 2025 at 01:57)
- ✔ Deducing a third element exists? (4 messages, latest: Mar 24 2025 at 20:34)
- Question about IMP language and proof automation (9 messages, latest: Mar 24 2025 at 13:10)
- A basic question about calc without tactics (5 messages, latest: Mar 24 2025 at 12:38)
- ✔ Type annotation on forall param in ∀ i ∈ t clause? (7 messages, latest: Mar 24 2025 at 11:15)
- Physical books about Lean and/or Mathlib? (14 messages, latest: Mar 24 2025 at 05:12)
- Subgroup of quotient (16 messages, latest: Mar 23 2025 at 23:22)
- ✔ is this a simp confluence issue? (3 messages, latest: Mar 23 2025 at 22:41)
- ✔ How should I find the definition of ≤ here? (10 messages, latest: Mar 23 2025 at 17:37)
- ✔ How to check the condition is non vanishing? (8 messages, latest: Mar 22 2025 at 23:21)
- Golfing
(x:Int) / d / d ^ n = x / d ^ (n + 1)
(9 messages, latest: Mar 22 2025 at 17:18) - ✔ Working with Euclidean 2D vector space (19 messages, latest: Mar 22 2025 at 15:58)
- Trying to define
LawfulBEq
instance (27 messages, latest: Mar 22 2025 at 15:11) - ✔ Installing Lean (12 messages, latest: Mar 22 2025 at 06:39)
- ✔ help with terminations (10 messages, latest: Mar 22 2025 at 01:07)
- ✔ using the Ord typeclass (5 messages, latest: Mar 21 2025 at 23:13)
- Playing around with Finset (Finset Char) (3 messages, latest: Mar 21 2025 at 22:41)
- ✔ error on recursive definitions over PNat (8 messages, latest: Mar 21 2025 at 21:07)
- ✔ Why does rewrite not find the pattern? (4 messages, latest: Mar 21 2025 at 17:41)
- getting "root" with integer power (24 messages, latest: Mar 21 2025 at 14:33)
- roots of quadratic polynomial (21 messages, latest: Mar 21 2025 at 09:09)
- type casting about Fin (1 * n) and Fin n (4 messages, latest: Mar 21 2025 at 08:09)
- Sequence proof (6 messages, latest: Mar 21 2025 at 02:59)
- ✔ Accessing local equalities over pattern matching (13 messages, latest: Mar 21 2025 at 01:06)
- Area of solution set (8 messages, latest: Mar 20 2025 at 21:27)
- ✔
List.argmax
how to construct a list of Fintype (17 messages, latest: Mar 20 2025 at 16:59) - ✔ How to avoid ring normalization of some parts (20 messages, latest: Mar 20 2025 at 16:23)
- Explicitly provide non-strict implicit argument (4 messages, latest: Mar 20 2025 at 11:44)
- every monomorphism of Grps is a equalizer (5 messages, latest: Mar 20 2025 at 08:04)
- ✔ how to prove the lower bound of a sorted list (5 messages, latest: Mar 20 2025 at 02:18)
- Help with unpacking existentials (8 messages, latest: Mar 20 2025 at 00:40)
- ✔ Termination proofs with nested inductives (11 messages, latest: Mar 20 2025 at 00:00)
- Verisimilitude and Interpretations (7 messages, latest: Mar 20 2025 at 00:00)
- Minimal subset of Ecmascript to formalize and use… (23 messages, latest: Mar 19 2025 at 23:57)
- Forgetting to add new files to the project’s root file (9 messages, latest: Mar 19 2025 at 23:28)
- Membership of Dependent Type in a Set of Dependent Type (14 messages, latest: Mar 19 2025 at 21:48)
- ✔ basic mathlib usage question (9 messages, latest: Mar 19 2025 at 20:13)
- ✔ fighting the compiler again (12 messages, latest: Mar 19 2025 at 19:35)
- ✔ How apply a list of data (3 messages, latest: Mar 19 2025 at 17:44)
- Does MIL have a PDF version? (2 messages, latest: Mar 19 2025 at 12:44)
- The differential of transition maps (17 messages, latest: Mar 19 2025 at 11:20)
- partial derivative of a vector field (47 messages, latest: Mar 19 2025 at 10:16)
- ✔ Function to convert rational numbers to floats (4 messages, latest: Mar 19 2025 at 02:23)
- ✔ How to prove a (pretty simple) function is increasing? (7 messages, latest: Mar 19 2025 at 02:09)
simp
,simp at *
,simp \[*\]
,simp \[*\] at *
,simp_all
(19 messages, latest: Mar 18 2025 at 23:25)- ✔ Cracking down on memory usage when using Lists (21 messages, latest: Mar 18 2025 at 22:57)
- ✔ Hit a snag formalizing a book exercise (7 messages, latest: Mar 18 2025 at 22:24)
- Antoine de Saint Germain (6 messages, latest: Mar 18 2025 at 19:14)
- Struggling to understand Lean's type inference and coercions (6 messages, latest: Mar 18 2025 at 17:21)
- Feasibility of an
exact?
tactic exploring two lemmas deep? (8 messages, latest: Mar 18 2025 at 16:30) - ✔ how do you work with MOD (7 messages, latest: Mar 18 2025 at 13:29)
- ✔ Proving that function is strict monotone on unit interval (5 messages, latest: Mar 18 2025 at 12:21)
- Fermat's Last Theorem (21 messages, latest: Mar 18 2025 at 07:10)
- How does nlinarith prove this conclusion? (5 messages, latest: Mar 18 2025 at 06:50)
- Inverse power mul (7 messages, latest: Mar 18 2025 at 05:52)
- Need Help (8 messages, latest: Mar 18 2025 at 05:13)
- ✔ (Real.sqrt 2 : ℂ )^ 2 = 2 (4 messages, latest: Mar 18 2025 at 04:33)
- Trouble with Exponents in Integral Proof (10 messages, latest: Mar 18 2025 at 02:32)
- ✔ Rewriting function composition (8 messages, latest: Mar 17 2025 at 21:52)
- ✔ rw tactic failed (5 messages, latest: Mar 17 2025 at 21:30)
- ✔ Replacing set in function domain (4 messages, latest: Mar 17 2025 at 21:29)
- Formalizing a telescoping Sum of Prime gaps. (5 messages, latest: Mar 17 2025 at 18:58)
- rw not accepting pattern (4 messages, latest: Mar 17 2025 at 17:58)
- ✔ Best way to write an academic paper in Lean? (6 messages, latest: Mar 17 2025 at 17:50)
- Is there a visualizer of proofs? (5 messages, latest: Mar 17 2025 at 15:30)
- Sum lemmas (8 messages, latest: Mar 17 2025 at 10:42)
- ✔ some questions about the natural number game (17 messages, latest: Mar 17 2025 at 10:02)
- Missing
.brecOn
(18 messages, latest: Mar 17 2025 at 08:30) - How to encode a tree in a Std.HashMap and prove no cycles? (34 messages, latest: Mar 16 2025 at 21:54)
- Explanation of Accessibility? (4 messages, latest: Mar 16 2025 at 20:35)
- ✔ Difference between ∀ expression and regular function? (13 messages, latest: Mar 16 2025 at 20:04)
- ✔ arguing by divisors and factors (6 messages, latest: Mar 16 2025 at 07:25)
- ✔ difference of squares (6 messages, latest: Mar 16 2025 at 07:03)
- Failed to infer structural recursion: .brecOn mismatch (6 messages, latest: Mar 15 2025 at 23:07)
- cancellation with oangles (22 messages, latest: Mar 15 2025 at 22:40)
- rewrite and oangles interacting oddly (4 messages, latest: Mar 15 2025 at 21:23)
- Trying to work with tangents to a circumsphere (13 messages, latest: Mar 15 2025 at 21:00)
- ✔ by_cases on if/then/else (10 messages, latest: Mar 15 2025 at 20:23)
- ✔ What proves a Group is a DivInvOneMonoid? (33 messages, latest: Mar 15 2025 at 19:14)
- ✔ powers of 4 mod 3 (11 messages, latest: Mar 15 2025 at 17:29)
- ✔ Square is not 2 mod 3 (24 messages, latest: Mar 15 2025 at 17:18)
- ✔ Show 34 is not a square (16 messages, latest: Mar 15 2025 at 17:17)
- ✔ inv_ne_zero type mismatch (11 messages, latest: Mar 15 2025 at 16:11)
- Daniyal Ahmad Khan (3 messages, latest: Mar 15 2025 at 12:22)
wlog
runs unexpectedly (4 messages, latest: Mar 15 2025 at 08:50)- Proofs with coercion (3 messages, latest: Mar 15 2025 at 06:40)
- golf request:
PushoutCocone ≌ BinaryCofan
(12 messages, latest: Mar 14 2025 at 16:23) letI
vs.haveI
(30 messages, latest: Mar 14 2025 at 16:14)- Refine HMul to specific instance (14 messages, latest: Mar 14 2025 at 15:32)
- Not equalizer (11 messages, latest: Mar 14 2025 at 13:42)
- ✔ Optionally explicit parameters (5 messages, latest: Mar 14 2025 at 13:23)
- sum of n and n^2 in Icc (6 messages, latest: Mar 14 2025 at 13:10)
- Square root of -1 as a Real (23 messages, latest: Mar 14 2025 at 11:40)
- ✔ mismatch of two same literal types (6 messages, latest: Mar 14 2025 at 11:22)
- ✔ Proving that condition is False after exiting while loop (6 messages, latest: Mar 14 2025 at 10:20)
- ✔ reducing mod_cases boiler plate? (5 messages, latest: Mar 13 2025 at 23:14)
- proving equality related to floor division (2 messages, latest: Mar 13 2025 at 22:40)
- ✔ evaluate lambda function in variable / goal? (9 messages, latest: Mar 13 2025 at 21:17)
- Macaulay2 and lean (4 messages, latest: Mar 13 2025 at 19:35)
- ✔ How to finish off this proof about Nat Rat casts and in… (13 messages, latest: Mar 13 2025 at 19:19)
- tactic 'split' failed (5 messages, latest: Mar 13 2025 at 18:53)
- ✔ How do I get command line arguments? (4 messages, latest: Mar 13 2025 at 18:15)
- ✔ ask for help to prove det(Ti,j)=−1 (12 messages, latest: Mar 13 2025 at 17:49)
- help with subtypes and functions (23 messages, latest: Mar 13 2025 at 16:52)
- ✔ How can I attack this quadratic modular arithmetic prob… (44 messages, latest: Mar 13 2025 at 14:53)
- Converting between prop type classes and their field prop (4 messages, latest: Mar 13 2025 at 14:44)
- How to make a "change of variables" in an infinite series? (2 messages, latest: Mar 13 2025 at 14:22)
Prime p
vs.Fact p.Prime
(14 messages, latest: Mar 13 2025 at 13:00)- ✔ Help with binomial and factorial (24 messages, latest: Mar 13 2025 at 10:08)
- Group ring? (3 messages, latest: Mar 13 2025 at 06:03)
- Introduction: Dan Abramov (60 messages, latest: Mar 13 2025 at 04:22)
- MIL ch8.1 problem (5 messages, latest: Mar 13 2025 at 03:52)
- How to show telescoping infinite series converges? (31 messages, latest: Mar 13 2025 at 02:43)
- Collapsible sections for code blocks in Zulip? (5 messages, latest: Mar 12 2025 at 21:42)
- Formal Power Series for Weighted Languages (10 messages, latest: Mar 12 2025 at 16:43)
- Proof breaks when previous placeholder is filled (5 messages, latest: Mar 12 2025 at 14:34)
- linarith with complex numbers? (7 messages, latest: Mar 12 2025 at 13:52)
- Canonical example for wlog tactic (6 messages, latest: Mar 12 2025 at 12:09)
- ✔ Can I use
rw
inside an argument? (11 messages, latest: Mar 12 2025 at 10:57) - How to prove this lemma in Lean 4? (12 messages, latest: Mar 12 2025 at 08:20)
- Nonarchimedean property of padic (4 messages, latest: Mar 12 2025 at 07:28)
- ✔ Defining a function using exists unique (10 messages, latest: Mar 12 2025 at 07:14)
- Prove that inside list.foldl the item is a member of list? (8 messages, latest: Mar 12 2025 at 05:49)
- Sigma type with Prop (26 messages, latest: Mar 11 2025 at 22:32)
- ✔ Nested Intervals (14 messages, latest: Mar 11 2025 at 19:15)
- ✔ Simplifying fin literals (8 messages, latest: Mar 11 2025 at 18:22)
- ✔ Class abbrevation with duplicate parent structure (4 messages, latest: Mar 11 2025 at 16:48)
- How should I think of the arrow in ↑Subset? (11 messages, latest: Mar 11 2025 at 16:21)
- :=, =, ==, and numerals (9 messages, latest: Mar 11 2025 at 15:50)
- ✔ Is there a simpler proof of this inequality? (10 messages, latest: Mar 11 2025 at 14:56)
- How to extract propositions from instance's (non-)existence? (21 messages, latest: Mar 11 2025 at 10:59)
- how to use norms? (8 messages, latest: Mar 11 2025 at 07:36)
- can lean express any kind of mathematics? (25 messages, latest: Mar 11 2025 at 03:04)
- Proving (a - b) / (c - d) = (b - a) / (d - c) (12 messages, latest: Mar 10 2025 at 23:01)
- Cardinality of s: Set (Fin n) (7 messages, latest: Mar 10 2025 at 22:20)
- ✔ Solving a linear equation (5 messages, latest: Mar 10 2025 at 21:09)
- ✔ How can I express this idea about polynomial roots? (48 messages, latest: Mar 10 2025 at 20:51)
- ✔ is this MoP-level easy in Lean ? (cardinality exercise) (8 messages, latest: Mar 10 2025 at 18:17)
- ✔ Set membership of reals, simplification (22 messages, latest: Mar 10 2025 at 15:57)
- ✔ Generalized approach in dealing with real number arithm… (6 messages, latest: Mar 10 2025 at 15:30)
- ℚ-algebra definition in characteristic zero setting (19 messages, latest: Mar 10 2025 at 14:28)
- ✔ How do I run a linter? (10 messages, latest: Mar 10 2025 at 13:31)
- forall disappearing after the intro (5 messages, latest: Mar 10 2025 at 11:38)
- IMO formalization (13 messages, latest: Mar 10 2025 at 11:34)
- Conor Mc Bride: intro (67 messages, latest: Mar 10 2025 at 10:39)
- ✔ How to think about
structure X : Y
(23 messages, latest: Mar 10 2025 at 05:40) - ✔ Extracting condition for equality for some inequalities (2 messages, latest: Mar 10 2025 at 05:12)
- ✔ proving a inequality of integer powers of reals (12 messages, latest: Mar 10 2025 at 04:56)
- ✔ Definition of the Jacobson Radical of Modules (4 messages, latest: Mar 10 2025 at 04:36)
- ✔ typeclass instance problem is stuck,it is often due to … (3 messages, latest: Mar 10 2025 at 00:33)
- ✔ Why can't I rw a nested expression at an earlier stage? (11 messages, latest: Mar 09 2025 at 19:43)
- Lemmas for Std.HashMap.filter and Std.HashSet.filter? (6 messages, latest: Mar 09 2025 at 19:38)
- ✔ extending structures, coe instances and RingHom (36 messages, latest: Mar 09 2025 at 17:59)
- ✔ simpa [X] using [Y, Z] vs simpa [X, Y, Z] (7 messages, latest: Mar 09 2025 at 17:30)
- ✔ "Major premise is not an inductive type" (4 messages, latest: Mar 09 2025 at 15:01)
- ✔ How to subtract a real from a complex (6 messages, latest: Mar 09 2025 at 14:55)
- ✔ Representing permutations of
List.range n
(6 messages, latest: Mar 09 2025 at 11:31) - proving importance sampling theorem (3 messages, latest: Mar 09 2025 at 08:19)
- Multipliable of padicNorm (7 messages, latest: Mar 09 2025 at 01:26)
- Testing
suggest_premises
? (2 messages, latest: Mar 09 2025 at 00:39) - Problem deriving LawfulBEq (6 messages, latest: Mar 08 2025 at 22:45)
- ✔ MIL Ch7.1 - fixing the "bad diamond" (4 messages, latest: Mar 08 2025 at 22:09)
- ✔ How can I finish off this proof? So close… (27 messages, latest: Mar 08 2025 at 21:10)
- Can't rw Finset.inclusion_exclusion_card_biUnion (4 messages, latest: Mar 08 2025 at 20:44)
- ✔ Real exponents and pow_mul (15 messages, latest: Mar 08 2025 at 17:15)
- Most convenient way to work with inequalities (11 messages, latest: Mar 08 2025 at 16:36)
- MIL Ch7 - extends no longer limited (1 message, latest: Mar 08 2025 at 16:29)
- Cannot apply Finset.one_le_prod' (1 message, latest: Mar 08 2025 at 15:43)
- golf request: Topologist's sine curve (7 messages, latest: Mar 08 2025 at 15:11)
- lake new project with specified lean version? (15 messages, latest: Mar 08 2025 at 11:29)
- DecidableEq on GaloisField (4 messages, latest: Mar 08 2025 at 10:04)
- division of big operator (3 messages, latest: Mar 08 2025 at 02:51)
- Using If-Statement Test to Cast or Rewrite value (12 messages, latest: Mar 08 2025 at 00:31)
- ✔ Need help with the Natural Numbers Game Level le_antisymm (79 messages, latest: Mar 07 2025 at 22:57)
- ✔ How to prove cast of Nat to Real equals self? (9 messages, latest: Mar 07 2025 at 22:52)
- info view doesn't show in vs code (6 messages, latest: Mar 07 2025 at 22:42)
- First uncountable ordinal (9 messages, latest: Mar 07 2025 at 22:31)
- Not sure why decide fails on IsSquare (32 messages, latest: Mar 07 2025 at 21:14)
- HInv? (12 messages, latest: Mar 07 2025 at 19:48)
- Find the center of dihedral group. (7 messages, latest: Mar 07 2025 at 15:48)
- Where do I find and share blog posts about Lean? (7 messages, latest: Mar 07 2025 at 14:04)
- Demo of "apply a reversible operation to both sides" (15 messages, latest: Mar 07 2025 at 13:56)
- ✔ How to do "finite induction" on Finset.Icc? (6 messages, latest: Mar 07 2025 at 13:36)
- Ask for a guide for switching versions (8 messages, latest: Mar 07 2025 at 10:30)
- lstlean.tex: I've added more unicode characters (2 messages, latest: Mar 07 2025 at 07:19)
- about the sigma type mismatch (4 messages, latest: Mar 07 2025 at 07:12)
- Formalizing the product of complex roots (14 messages, latest: Mar 07 2025 at 03:30)
- list simp lemmas? (6 messages, latest: Mar 06 2025 at 23:28)
- ✔ theorem proving: how do I turn
h : ∃ x : S
intox : S
? (11 messages, latest: Mar 06 2025 at 22:53) - ✔ I'm Becker, nice to meet you! (+ question) (13 messages, latest: Mar 06 2025 at 22:38)
- ✔
..
syntax in patterns (?) (8 messages, latest: Mar 06 2025 at 19:23) - Creating values in EuclideanSpace (5 messages, latest: Mar 06 2025 at 17:52)
- ✔ Complex cos with Real log (7 messages, latest: Mar 06 2025 at 16:28)
- tauto failure (4 messages, latest: Mar 06 2025 at 15:54)
- ✔ Lake update fails (14 messages, latest: Mar 06 2025 at 14:11)
- RSS (1 message, latest: Mar 06 2025 at 11:12)
- VSCode plug-in type class navigation (4 messages, latest: Mar 06 2025 at 08:31)
- What are canonical examples for refine, , ? (14 messages, latest: Mar 06 2025 at 07:29)
- Theorems in Mathlib are identical to theorems in Init (4 messages, latest: Mar 06 2025 at 06:21)
- Need help on Casting proof in Exponents (13 messages, latest: Mar 06 2025 at 02:55)
- ✔ what is notation? (5 messages, latest: Mar 06 2025 at 01:11)
- deriving Group from PresentedGroup (10 messages, latest: Mar 06 2025 at 00:34)
- Question about Lean versions (11 messages, latest: Mar 05 2025 at 23:33)
- Relevance of "[n/m] Replayed […]" when doing
lake build
? (9 messages, latest: Mar 05 2025 at 22:38) - Defining a Separate Type underneath an Inductive (5 messages, latest: Mar 05 2025 at 21:08)
- (s ⊆ t) = ∀ x ∈ s, x ∈ t – discoverable for new users? (28 messages, latest: Mar 05 2025 at 17:37)
- ✔ Expressing a small degree polynomial (8 messages, latest: Mar 05 2025 at 16:54)
- Looking for help (64 messages, latest: Mar 05 2025 at 16:44)
- Include in proof context the patterns that didn't match? (9 messages, latest: Mar 05 2025 at 13:56)
- ✔ Why doesn't this typecheck without indirection? (4 messages, latest: Mar 05 2025 at 12:40)
- proving 2^x is continous (16 messages, latest: Mar 05 2025 at 11:25)
- sorry in def doesn't warn (3 messages, latest: Mar 05 2025 at 10:19)
- ✔ Idiomatic way to "do something to both sides" of an equ… (6 messages, latest: Mar 05 2025 at 10:16)
- Fixed point of algebra equiv is the field itself. (3 messages, latest: Mar 05 2025 at 08:40)
- vector index not inferred (2 messages, latest: Mar 05 2025 at 08:08)
- What is a normalization? (3 messages, latest: Mar 05 2025 at 07:11)
- mechanical definition of "proof complexity" (2 messages, latest: Mar 05 2025 at 06:03)
- Need help on a simple proof (25 messages, latest: Mar 04 2025 at 22:00)
- Kuminiko (4 messages, latest: Mar 04 2025 at 18:26)
- ✔ How to solve quadratic with complex roots? (4 messages, latest: Mar 04 2025 at 16:42)
- ✔ Proof about order in
Fin
(4 messages, latest: Mar 04 2025 at 15:53) - ContinuityOn Question (7 messages, latest: Mar 04 2025 at 15:29)
- ✔ a/d = c/b -> a * b = c * d but for polynomials (11 messages, latest: Mar 04 2025 at 11:52)
- Finset.Icc error (3 messages, latest: Mar 04 2025 at 11:02)
- ✔ Can't synthesize inside function abstraction (5 messages, latest: Mar 04 2025 at 06:01)
- thoughts on a search engine for mathlib (7 messages, latest: Mar 04 2025 at 03:10)
- Separating the left-most term in a sum of Finset.range (3 messages, latest: Mar 04 2025 at 02:04)
- Help with simple proof (78 messages, latest: Mar 03 2025 at 23:52)
- Implementing a weirdly described function (4 messages, latest: Mar 03 2025 at 21:36)
- thank you - completed MoP ! (minus 3 exercises) + next steps (3 messages, latest: Mar 03 2025 at 21:18)
- Finished my first lean mini-project (8 messages, latest: Mar 03 2025 at 21:09)
- set of subgroups and set of underlying set equiv (10 messages, latest: Mar 03 2025 at 21:04)
- ✔ Possible to have a
where
clause with more than one func? (4 messages, latest: Mar 03 2025 at 18:25) - Syntactically separate goals from code (12 messages, latest: Mar 03 2025 at 17:52)
- ✔ Natural divisors (6 messages, latest: Mar 03 2025 at 16:14)
- Introduction: Rado Kirov (33 messages, latest: Mar 03 2025 at 15:32)
- Don't understand imports and opens? (6 messages, latest: Mar 03 2025 at 12:49)
- Dot notation for structs with an explicit instance argument (16 messages, latest: Mar 03 2025 at 12:17)
- ✔ Proving coprimality with a prime, using cases on an int… (6 messages, latest: Mar 03 2025 at 11:23)
- ✔ How to go from ZMOD to MOD? (6 messages, latest: Mar 03 2025 at 10:09)
- ✔ How to prove 1/k^2 = k/k^3 (4 messages, latest: Mar 03 2025 at 07:34)
- Tabs are not allowed (2 messages, latest: Mar 03 2025 at 07:07)
- ✔ Using coprimeness to solve an equation (9 messages, latest: Mar 03 2025 at 04:40)
- ✔ vacuously true? relation y ≡ x + 1 [ZMOD 5] is antisymm… (7 messages, latest: Mar 02 2025 at 22:37)
- Docs for how to prove termination of recursive function? (5 messages, latest: Mar 02 2025 at 20:42)
- Would you use a Prop or a Type? (20 messages, latest: Mar 02 2025 at 16:23)
- (Relations MoP ch9) example proofs feel unsatisfactory (9 messages, latest: Mar 02 2025 at 01:47)
- Proving messy yet straightforward inequality (4 messages, latest: Mar 02 2025 at 01:06)
- The card of roots is equal to natDegree of separable polynom (8 messages, latest: Mar 02 2025 at 00:57)
- Basic facts about factorials in Mathlib (11 messages, latest: Mar 01 2025 at 23:19)
- where to read about
decide
(18 messages, latest: Mar 01 2025 at 21:14) - ✔ how to simp "let" in recursive function (5 messages, latest: Mar 01 2025 at 20:51)
- ✔ Problem with starting a new project with Mathlib (4 messages, latest: Mar 01 2025 at 18:37)
- Understanding field_simp (5 messages, latest: Mar 01 2025 at 17:09)
- Cancelling terms in inequality (3 messages, latest: Mar 01 2025 at 17:03)
- How do I search function by type on loogle? (17 messages, latest: Mar 01 2025 at 14:18)
- ✔ beginner question on defining very simple sets (5 messages, latest: Mar 01 2025 at 13:28)
- ✔ How to express "nonzero Reals"? (3 messages, latest: Mar 01 2025 at 13:19)
- Implicit/explicit arguments in similar situations in Mathlib (3 messages, latest: Mar 01 2025 at 12:43)
- ✔ Accessing private declarations (9 messages, latest: Mar 01 2025 at 12:35)
- ✔ Mapping distince values to Or (5 messages, latest: Mar 01 2025 at 11:43)
- Define something that varies over all types (35 messages, latest: Mar 01 2025 at 11:20)
- le_gcd (4 messages, latest: Mar 01 2025 at 06:43)
- Simplification (20 messages, latest: Mar 01 2025 at 01:05)
- ✔ nested match expressions with hypotheses involving lists (7 messages, latest: Feb 28 2025 at 23:23)
- Recommended way to install a package from Reservoir? (10 messages, latest: Feb 28 2025 at 21:45)
- Small TODO in Algebra/DirectSum/Basic.lean (1 message, latest: Feb 28 2025 at 20:57)
- construct a name for a new def (18 messages, latest: Feb 28 2025 at 18:12)
- Generalising Finset Nat proofs to SuccOrder (5 messages, latest: Feb 28 2025 at 17:17)
- direct product of normal disjoint subgroups mulEquiv to join (18 messages, latest: Feb 28 2025 at 16:41)
- See result without moving cursor to
#eval
(5 messages, latest: Feb 28 2025 at 06:27) - teaching module about charP (1 message, latest: Feb 27 2025 at 17:12)
- ✔ How to find type class instance (8 messages, latest: Feb 27 2025 at 07:17)
- ✔ a^n = a^m => n = m for naturals (5 messages, latest: Feb 27 2025 at 06:10)
- failed to synthesize implicits in example from MIL ch3.3 (6 messages, latest: Feb 27 2025 at 04:54)
- Rotations in Fin 2 → ℝ (4 messages, latest: Feb 26 2025 at 22:17)
- Stuck on first project – de Bruijn indices (4 messages, latest: Feb 26 2025 at 17:32)
- How to derive constructors in composition (2 messages, latest: Feb 26 2025 at 15:27)
- Accessing shadowed names? (3 messages, latest: Feb 26 2025 at 15:09)
- Introduction: Jason Suagee (8 messages, latest: Feb 26 2025 at 15:07)
- How do you define piecewise functions (6 messages, latest: Feb 26 2025 at 12:07)
- Show that dual of a vector space is a vector space (4 messages, latest: Feb 26 2025 at 09:43)
extract_goal
round-trip (17 messages, latest: Feb 26 2025 at 07:19)- Type Error (18 messages, latest: Feb 26 2025 at 06:57)
- ✔ Hi, I'm Orly. I need some help with setup please (5 messages, latest: Feb 26 2025 at 05:11)
- Formalize the solution of a differencial equation (3 messages, latest: Feb 26 2025 at 04:18)
- Formalize the limit and check the answer (7 messages, latest: Feb 26 2025 at 02:12)
- solution feedback (MoP exercise sets and modular arithmetic) (6 messages, latest: Feb 25 2025 at 23:02)
- ✔ Is this passage from MIL outdated? (4 messages, latest: Feb 25 2025 at 22:05)
- How to solve MIL 2.1 problem (a + b) * (a - b) = a^2 - b^2? (3 messages, latest: Feb 25 2025 at 22:01)
- Choosing the appropriate level of implicitness/explicitness (12 messages, latest: Feb 25 2025 at 20:47)
- ✔ Homomorphisms from additive group to multiplicative (13 messages, latest: Feb 25 2025 at 18:51)
- ✔ ERROR leanblueprint unhashable theorem (2 messages, latest: Feb 25 2025 at 16:44)
- ✔ The Hardest Logic Puzzle in the World (11 messages, latest: Feb 25 2025 at 14:11)
- Multiple goals and linter.unnecessarySimpa (7 messages, latest: Feb 25 2025 at 11:59)
- ✔ brain stuck - simple divisibility MWE (14 messages, latest: Feb 25 2025 at 11:28)
- Nico (2 messages, latest: Feb 25 2025 at 11:13)
- Right way to get a constant out of an integral (17 messages, latest: Feb 25 2025 at 08:00)
- why doesn't ring tactic take [] arguments? (5 messages, latest: Feb 25 2025 at 07:13)
- ✔ Strategies to prove cardinalities of finite sets (12 messages, latest: Feb 24 2025 at 19:41)
- Quoting and copy pasting math in Zulip. (2 messages, latest: Feb 24 2025 at 18:42)
- ✔ proof strategy injective => surjective for finite sets (16 messages, latest: Feb 24 2025 at 18:39)
- ✔ typos in MoP reported as gitHub issues (3 messages, latest: Feb 24 2025 at 15:32)
- Way to Automate Code (22 messages, latest: Feb 24 2025 at 12:36)
- ✔ Why is functional induction return type limited to Prop? (8 messages, latest: Feb 24 2025 at 11:02)
- ✔ Infinite Integrals in Lean? (5 messages, latest: Feb 24 2025 at 02:09)
- ✔
ext
with and without a variable (14 messages, latest: Feb 24 2025 at 00:07) - Combining do notation and tactic mode? (6 messages, latest: Feb 23 2025 at 20:26)
- ✔ Debugging Instance Synth (LSpec) (4 messages, latest: Feb 23 2025 at 20:19)
- can't install a specific version (5 messages, latest: Feb 23 2025 at 13:47)
- ✔ Finsets and decidability (42 messages, latest: Feb 23 2025 at 08:53)
- proving (0,0) ≠ (2,1) (26 messages, latest: Feb 23 2025 at 01:08)
- confusing error message on functor (2 messages, latest: Feb 23 2025 at 00:40)
- Mathlib zero-argument high-powered tactics for divisibility? (10 messages, latest: Feb 22 2025 at 14:16)
- ✔
by apply
works and doesn't work (9 messages, latest: Feb 21 2025 at 22:56) - can you install packages in the web editor (2 messages, latest: Feb 21 2025 at 21:12)
- Merge condense lists into lists of ranges (5 messages, latest: Feb 21 2025 at 20:46)
- Simple(?) questions on group conjugations (6 messages, latest: Feb 21 2025 at 14:14)
- Steven Herbert (1 message, latest: Feb 21 2025 at 11:54)
- what does ▸ (\blacktriangleright) do? (4 messages, latest: Feb 21 2025 at 02:26)
- ✔ Restricting domain without changing definitions? (9 messages, latest: Feb 20 2025 at 22:33)
- ✔ Working with Pi types of propositions (12 messages, latest: Feb 20 2025 at 19:27)
- Learning the basics of Lean (17 messages, latest: Feb 20 2025 at 19:23)
- ✔ noncomputable? (8 messages, latest: Feb 20 2025 at 18:33)
- ✔ Working with noncomputable functions (9 messages, latest: Feb 20 2025 at 18:24)
- error: 'src' is not a field of structure 'Dependency' (7 messages, latest: Feb 20 2025 at 18:15)
- lake build fail (2 messages, latest: Feb 20 2025 at 16:59)
- ✔ unknown identifier 'field_simp' (4 messages, latest: Feb 20 2025 at 16:57)
- ✔ private channel (13 messages, latest: Feb 20 2025 at 16:53)
- ✔ help proof from definition (12 messages, latest: Feb 20 2025 at 14:27)
- Prove that a MvPolynomial is symmetric (3 messages, latest: Feb 20 2025 at 13:49)
- Calculate the totaldegree of ((X + Y) ^ 2 + 3 * X + Y) / 2 (25 messages, latest: Feb 20 2025 at 13:27)
- ✔ Matrix:prove two submatrix are equal (2 messages, latest: Feb 20 2025 at 12:00)
- Lean Tutorial in Lean (3 messages, latest: Feb 20 2025 at 08:44)
- Force extra condition with
choice
? (5 messages, latest: Feb 20 2025 at 05:04) - inferInstance Decidable for defs (3 messages, latest: Feb 20 2025 at 01:56)
- Alex Habeen Chang (3 messages, latest: Feb 19 2025 at 21:10)
- Showcasing my first project in Lean (3 messages, latest: Feb 19 2025 at 19:57)
- ✔ Code review: Schröder–Bernstein theorem (15 messages, latest: Feb 19 2025 at 17:48)
- ✔ Creating a homomorphism (7 messages, latest: Feb 19 2025 at 17:27)
- Code formatter (8 messages, latest: Feb 19 2025 at 17:12)
- ✔ Finding the right imports (5 messages, latest: Feb 19 2025 at 11:13)
- ✔ Contradiction not working (8 messages, latest: Feb 19 2025 at 10:59)
- ✔ Help with outdated LLMs (8 messages, latest: Feb 19 2025 at 10:08)
- ✔ Real.sqrt in case of polynomials (17 messages, latest: Feb 19 2025 at 09:44)
- why can't lean infer this vector's length? (2 messages, latest: Feb 19 2025 at 08:13)
- X = monomial 1 1 required rw explicitly? (7 messages, latest: Feb 19 2025 at 05:25)
- ✔ How to get the value out of cases? (5 messages, latest: Feb 19 2025 at 03:10)
- ✔ Warning: "automatically included section variable(s) un… (6 messages, latest: Feb 18 2025 at 23:40)
- ✔ How to idiomatically flip "contains" inside a bi-implic… (7 messages, latest: Feb 18 2025 at 23:25)
- ✔ Why does
use
solve my goal insidecases
but not out… (6 messages, latest: Feb 18 2025 at 23:02) - how to avoid 27 sub-proofs (20 messages, latest: Feb 18 2025 at 22:21)
- ✔ Help with formalizing a proof structure (12 messages, latest: Feb 18 2025 at 13:36)
- ✔ minimum ranging over a set of permutations (20 messages, latest: Feb 18 2025 at 12:38)
- Termination of last (6 messages, latest: Feb 18 2025 at 03:54)
- ✔ First Steps in Category Theory (5 messages, latest: Feb 17 2025 at 23:58)
- ✔ Git / lake problems with MIL (23 messages, latest: Feb 17 2025 at 23:45)
- ✔ new use of
have
? (3 messages, latest: Feb 17 2025 at 23:42) - why use carrier types instead of direct polymorphism? (12 messages, latest: Feb 17 2025 at 21:55)
- Confusing placeholder behaviour (5 messages, latest: Feb 17 2025 at 21:17)
- Formalizing Special Numbers from Concrete Mathematics (13 messages, latest: Feb 17 2025 at 20:30)
- ✔ How to express permutations of 1,2,…,n (15 messages, latest: Feb 17 2025 at 18:46)
- ✔ Simple rw tactic does not work (4 messages, latest: Feb 17 2025 at 16:19)
- LE Prop vs Bool (24 messages, latest: Feb 17 2025 at 15:08)
- ✔ Witness for unbounded integer sequences (4 messages, latest: Feb 17 2025 at 13:58)
- Std.range to List (5 messages, latest: Feb 17 2025 at 09:11)
- f(tx,ty)=t^nf(x,y) then f(x,y) is homogeneous (6 messages, latest: Feb 17 2025 at 08:27)
- ✔ Splitting a List (6 messages, latest: Feb 17 2025 at 03:53)
- Type Classes syntax question (9 messages, latest: Feb 17 2025 at 01:59)
- ✔ How to "expand" variable definitions? (15 messages, latest: Feb 16 2025 at 18:22)
- Is it possible to do rw and simp in term mode? (25 messages, latest: Feb 16 2025 at 14:38)
- ✔ The "Inhabited" constraint for inverse functions (28 messages, latest: Feb 16 2025 at 13:27)
- ✔ want to understand 0 ≠ 1 := by norm_num (14 messages, latest: Feb 16 2025 at 07:54)
- ✔ feedback on exercise solution (Injectivity) (4 messages, latest: Feb 16 2025 at 03:46)
- ✔ "finite inductive types" vs finite sets MoP Chap 8 (10 messages, latest: Feb 16 2025 at 01:25)
- Are there any additional resources on learning lean-par… (7 messages, latest: Feb 15 2025 at 23:19)
- Proof hygiene (11 messages, latest: Feb 15 2025 at 21:51)
- ✔ How do I know when to
intro
? (40 messages, latest: Feb 15 2025 at 20:54) - ✔ Dealing with indexed sets feels cumbersome (8 messages, latest: Feb 15 2025 at 19:39)
- ✔ rw confusion (10 messages, latest: Feb 15 2025 at 18:22)
- Find and Unfold Notation (17 messages, latest: Feb 15 2025 at 18:19)
- The number game down? (20 messages, latest: Feb 15 2025 at 17:39)
- Idiomatic way to error out if a value is not none (3 messages, latest: Feb 15 2025 at 17:09)
- ✔ Almost everywhere equal by proving it only for interior? (4 messages, latest: Feb 15 2025 at 16:13)
- ✔ p.num.Coprime p.den (4 messages, latest: Feb 15 2025 at 11:05)
- ✔ Precise formulation of the Tarski-Vaught test (4 messages, latest: Feb 15 2025 at 09:03)
- destructuring existentials in proofs (4 messages, latest: Feb 15 2025 at 04:44)
- Show and Tell - my javascript attempt at Type Theory! (4 messages, latest: Feb 14 2025 at 20:19)
- ✔ can't seem to use addarith / linarith but works elsewhere (4 messages, latest: Feb 14 2025 at 17:16)
- ✔ What is this error? PANIC at Lean.PersistentHashMap.find! (8 messages, latest: Feb 14 2025 at 16:17)
- ✔ understanding theory of termination_by (7 messages, latest: Feb 14 2025 at 11:44)
FormalMultilinearSeries
vs.MvPowerSeries
(3 messages, latest: Feb 14 2025 at 09:08)- Writing proof of the existence of universal Clifford algebra (35 messages, latest: Feb 14 2025 at 03:47)
- ✔ d ≠ n from n ≠ d (8 messages, latest: Feb 14 2025 at 01:14)
- Question about updating mathlib4 (5 messages, latest: Feb 13 2025 at 21:34)
- List of distinct elements (16 messages, latest: Feb 13 2025 at 20:51)
- Feedback on proof of
Irrational √2
(16 messages, latest: Feb 13 2025 at 16:36) - How to read binary files into Lean's type? (10 messages, latest: Feb 13 2025 at 15:41)
- ✔ MoP exercise using proven uniqueness theorem in wider p… (9 messages, latest: Feb 13 2025 at 13:35)
- Help with Lean coding (24 messages, latest: Feb 13 2025 at 13:04)
- Any high-powered tactics for these MIL chapter 2 examples? (30 messages, latest: Feb 13 2025 at 10:12)
- ✔ Is it good form to avoid by_contra and/or em? (13 messages, latest: Feb 13 2025 at 05:26)
- ✔ How do I reliably see the theorem statements in VS Code? (5 messages, latest: Feb 12 2025 at 22:33)
- Continued fractions (49 messages, latest: Feb 12 2025 at 19:00)
- ✔ Is volume on the reals complete? (20 messages, latest: Feb 12 2025 at 16:58)
- ✔ need help with inequalities (11 messages, latest: Feb 12 2025 at 16:29)
- Sharing my first day experience (11 messages, latest: Feb 12 2025 at 14:05)
- ✔ Working with Finset question (22 messages, latest: Feb 12 2025 at 12:14)
- Introduction: Emily Beatty (5 messages, latest: Feb 12 2025 at 09:05)
- help with proof strategy to show a mod b is unique (7 messages, latest: Feb 12 2025 at 08:48)
- Any finite integral domain is a field, etc. (ring theory) (17 messages, latest: Feb 12 2025 at 08:46)
- Tips for basic equality manipulations (9 messages, latest: Feb 12 2025 at 08:44)
- Introduction: Perrin Alaine-Sedano (1 message, latest: Feb 12 2025 at 02:07)
- More weirdness with universe levels: max (u + 1) v not > 0? (24 messages, latest: Feb 11 2025 at 22:29)
- ✔ Stuck while trying to implement sliding window functions (8 messages, latest: Feb 11 2025 at 16:55)
- Stefano Maruelli (12 messages, latest: Feb 11 2025 at 10:52)
- Parallel proofs (8 messages, latest: Feb 11 2025 at 07:01)
- general chat (2 messages, latest: Feb 11 2025 at 01:42)
- ✔ Defining Plane Partitions for Group Actions (4 messages, latest: Feb 11 2025 at 00:24)
- a - b = a + -b for ℂ, ℝ, ℚ and ℤ (41 messages, latest: Feb 10 2025 at 23:46)
- ✔ contradictory case - can't think how to prove it (8 messages, latest: Feb 10 2025 at 22:25)
- ✔ MWE works but non-MWE doesn't (rel tactic) (7 messages, latest: Feb 10 2025 at 21:53)
- where are parsers/grammar for def, inductive, etc defined? (4 messages, latest: Feb 10 2025 at 21:19)
- Trying to define WellFounded.fix, universe level error (3 messages, latest: Feb 10 2025 at 17:30)
- ✔ Imports fail after going AFK (11 messages, latest: Feb 10 2025 at 17:02)
- Proving that a continuous map is inducing (topology) (15 messages, latest: Feb 10 2025 at 15:25)
- Finite support permutations (on Nat at least) (7 messages, latest: Feb 10 2025 at 15:24)
- How to define a polynomial (1 message, latest: Feb 10 2025 at 14:56)
- polynomial help (79 messages, latest: Feb 10 2025 at 14:56)
- type mismatch (95 messages, latest: Feb 10 2025 at 13:56)
- infinite series (8 messages, latest: Feb 10 2025 at 12:57)
- ✔ Level 6 inequality NNG (10 messages, latest: Feb 10 2025 at 09:23)
- convert in base_7 (8 messages, latest: Feb 10 2025 at 07:57)
- ✔ type "depth" for Props? (8 messages, latest: Feb 10 2025 at 07:07)
- Help with cancelling a square and square root under integral (12 messages, latest: Feb 10 2025 at 05:13)
- vector and MOD (55 messages, latest: Feb 09 2025 at 23:56)
- ✔ Why so many ways to do the same thing? (13 messages, latest: Feb 09 2025 at 19:33)
- ✔ Two lines same if coefficients proportional :pray: (8 messages, latest: Feb 09 2025 at 17:51)
- How to reason about Fin type (34 messages, latest: Feb 09 2025 at 16:34)
- How to install LeanCopilot? (70 messages, latest: Feb 09 2025 at 09:33)
- ✔ How to prove that two sets are equal? (15 messages, latest: Feb 09 2025 at 04:49)
- ✔ How to think about the Prop type vs specific propositions? (36 messages, latest: Feb 08 2025 at 18:51)
- How to use let rec in proofs? (2 messages, latest: Feb 08 2025 at 17:26)
- Deconstructing existential statements (5 messages, latest: Feb 08 2025 at 16:21)
- ✔
exact?
can't prove that 0 ≤ u ⬝ᵥ u (for ℝ) (11 messages, latest: Feb 08 2025 at 16:04) - ✔ My first try (19 messages, latest: Feb 08 2025 at 15:32)
- ✔ Continuing with learning and Adams book: Now limits (5 messages, latest: Feb 08 2025 at 15:31)
- ✔ Working with Batteries.Data.Rat (11 messages, latest: Feb 08 2025 at 15:23)
- ✔ Hi, newbie question about arrays (6 messages, latest: Feb 08 2025 at 15:12)
- Minor issue in
nth_rw
/nth_rewrite
documentation? (3 messages, latest: Feb 08 2025 at 13:43) - ✔ Type error at my definition of the elementary numbers? (4 messages, latest: Feb 08 2025 at 12:57)
- First try in VS code (2 messages, latest: Feb 08 2025 at 10:10)
- Any summary of all Lean tactics? (13 messages, latest: Feb 08 2025 at 08:12)
- ✔ def function occurs error (2 messages, latest: Feb 08 2025 at 05:18)
- ✔ mul_inv_self don't work (22 messages, latest: Feb 08 2025 at 04:08)
- ✔ Internet problem (3 messages, latest: Feb 08 2025 at 02:39)
- Implicit function added by Lean unnecessarily (2 messages, latest: Feb 07 2025 at 23:01)
- ✔ How to correct the comma error in my polynomial definit… (9 messages, latest: Feb 07 2025 at 22:24)
- ✔ Why is reasoning backwards so common in Lean? (7 messages, latest: Feb 07 2025 at 21:39)
- Termination_by tutorial pointers? (5 messages, latest: Feb 07 2025 at 17:44)
- ✔ Proving equation of line (through two points) (4 messages, latest: Feb 07 2025 at 16:38)
- well-roundedness and termination_by (1 message, latest: Feb 07 2025 at 16:36)
- MulAction for Subgroup (6 messages, latest: Feb 07 2025 at 16:32)
- Recommendation on Chatbots for Lean4 (2 messages, latest: Feb 07 2025 at 14:39)
- rw failed but subst worked handling List (2 messages, latest: Feb 07 2025 at 09:46)
- ✔ can't figure out error in induction proof re recursive fn (22 messages, latest: Feb 06 2025 at 23:49)
- Recovering information about one term by induction on o… (11 messages, latest: Feb 06 2025 at 23:48)
- Thesis on Lean and Relational Algebra (7 messages, latest: Feb 06 2025 at 21:41)
ring
using local facts (5 messages, latest: Feb 06 2025 at 20:32)polyrith
succeeds, butlinear_combination
does not (9 messages, latest: Feb 06 2025 at 20:14)- Jard (4 messages, latest: Feb 06 2025 at 16:35)
- ✔ Showing not every lattice is distributive (4 messages, latest: Feb 06 2025 at 15:45)
- ✔ How does toJson determine order of JSON object keys? (2 messages, latest: Feb 06 2025 at 14:50)
- Induction with type U32 (6 messages, latest: Feb 06 2025 at 12:37)
- Definitions and theorems local to a section? (6 messages, latest: Feb 06 2025 at 06:57)
- Easiest way to play with casts in C (3 messages, latest: Feb 06 2025 at 00:52)
- Exporting scoped notation between namespaces (22 messages, latest: Feb 05 2025 at 21:39)
- Proving symmetry (10 messages, latest: Feb 05 2025 at 16:15)
- ✔ Why doesn't add_left_comm work here? (17 messages, latest: Feb 05 2025 at 13:42)
- Need help understanding ring_nf (32 messages, latest: Feb 05 2025 at 12:30)
- How to cast types properly (10 messages, latest: Feb 05 2025 at 12:23)
- ✔ termination-by - MoP vs vanilla lean (8 messages, latest: Feb 05 2025 at 11:57)
- Tips on improving proofs (7 messages, latest: Feb 05 2025 at 11:46)
- Why have the cast operators disappeared? (5 messages, latest: Feb 05 2025 at 09:06)
- Proving that nil = [] ? (23 messages, latest: Feb 05 2025 at 06:25)
- how to convert a real polynomial to a complex polynomial (3 messages, latest: Feb 05 2025 at 04:56)
- ✔ Proofs that know about previously matched patterns? (7 messages, latest: Feb 04 2025 at 23:47)
- ✔ Termination check bug? unknown free variable '_fvar.35433' (3 messages, latest: Feb 04 2025 at 23:47)
- Question about the cardinalities of Finset and Fintype (5 messages, latest: Feb 04 2025 at 21:11)
- Need help with improving a basic Lean example (1 message, latest: Feb 04 2025 at 20:57)
- LEAN not loading (27 messages, latest: Feb 04 2025 at 20:01)
- ✔ How to use R^n as affine space? (26 messages, latest: Feb 04 2025 at 19:25)
- Proof that the |max f1 - max f2| <= max |f1 - f2| (17 messages, latest: Feb 04 2025 at 18:26)
- How to write custom patterns (14 messages, latest: Feb 04 2025 at 14:03)
- How to prove relationship between two HashMaps? (21 messages, latest: Feb 04 2025 at 12:02)
- ✔ Where to find standard length of vector (Fin n → ℝ)? (10 messages, latest: Feb 04 2025 at 10:12)
- Division with remainder (5 messages, latest: Feb 04 2025 at 02:46)
- Rewriting under summation (9 messages, latest: Feb 03 2025 at 22:04)
- autoProp on OfNat instance (4 messages, latest: Feb 03 2025 at 19:14)
- ✔ Sum with index from, for example, 4 to 7 (4 messages, latest: Feb 03 2025 at 17:03)
- More Lean typing question (2 messages, latest: Feb 03 2025 at 16:49)
- ✔ First steps in linear algebra (17 messages, latest: Feb 03 2025 at 16:46)
- Trouble setting up Lean and mathlib (20 messages, latest: Feb 03 2025 at 13:07)
- ✔ updating (again!) (59 messages, latest: Feb 03 2025 at 04:01)
- How were the rules of the game decided? (128 messages, latest: Feb 02 2025 at 22:21)
- ✔ Trouble porting a project from Lean3 to Lean4 (21 messages, latest: Feb 02 2025 at 19:51)
- ✔ 25kb lean files, 3Gb .lake folder - is this normal? (3 messages, latest: Feb 02 2025 at 18:19)
- ✔ checking my understanding of recursion and induction (14 messages, latest: Feb 02 2025 at 18:19)
- Is it possible to complete MIL C02 S01 exercise as stated? (8 messages, latest: Feb 02 2025 at 17:35)
- linarith over NNReal (6 messages, latest: Feb 02 2025 at 17:17)
- ✔ Proving the first k element of a set (14 messages, latest: Feb 02 2025 at 09:52)
- Confusing type mismatch (3 messages, latest: Feb 02 2025 at 02:58)
- ✔ Is NNG deployment outdated? (6 messages, latest: Feb 02 2025 at 02:12)
- ✔ Way to inspect successful tactic application? (14 messages, latest: Feb 02 2025 at 01:32)
- Induction question (16 messages, latest: Feb 02 2025 at 00:41)
- ✔ Perm of Finset (8 messages, latest: Feb 01 2025 at 23:36)
- beginner question about proof by function (33 messages, latest: Feb 01 2025 at 23:09)
- syntactic sugar for simple enumerated type definitions (10 messages, latest: Feb 01 2025 at 22:40)
- Aaron Liu (self-introduction) (7 messages, latest: Feb 01 2025 at 20:47)
- It's confusing that first MIL chapter is missing an import (1 message, latest: Feb 01 2025 at 20:45)
- Can't figure out type universe mismatch (8 messages, latest: Feb 01 2025 at 19:43)
- ✔ Rewrite of constrained variable not type correct (11 messages, latest: Feb 01 2025 at 19:36)
- ✔ Does NNG have canonical solutions? (4 messages, latest: Feb 01 2025 at 16:34)
- ✔ How to apply a theorem to a hypothesis "forwards" in NNG? (6 messages, latest: Feb 01 2025 at 15:58)
- ✔ simple tactic proof that translates into readable term … (16 messages, latest: Feb 01 2025 at 09:59)
- Refactoring the set of instance requirements on a type (5 messages, latest: Feb 01 2025 at 09:38)
- ✔ Where do Lean primitives "fit in" philosophically? (8 messages, latest: Feb 01 2025 at 02:45)
- ✔ Why can't I apply zero_ne_succ here? (8 messages, latest: Feb 01 2025 at 02:45)
- deriving Decidable for new type and fun that returns Prop (8 messages, latest: Feb 01 2025 at 02:09)
- \Z subring of \Q? (10 messages, latest: Feb 01 2025 at 01:06)
- Termination checker with high order functions (5 messages, latest: Feb 01 2025 at 00:28)
- Type mismatch when matching inductive dependent type (29 messages, latest: Jan 31 2025 at 22:11)
- ✔ The mechanics of proof: cancel tactic on a^2 ? (17 messages, latest: Jan 31 2025 at 21:23)
- Calculating trace of a non-square SciLean matrix (3 messages, latest: Jan 31 2025 at 15:27)
- ✔ Is there a simpler way? 0 < x(x-1)(x+1) (27 messages, latest: Jan 31 2025 at 10:27)
- how to prove Fin arithmetic (8 messages, latest: Jan 31 2025 at 09:33)
- Basic Inequality Manipulations in Analysis (12 messages, latest: Jan 31 2025 at 08:08)
- Sum over bijection (5 messages, latest: Jan 31 2025 at 06:49)
- ✔ Does the triangle operator have an english name? (12 messages, latest: Jan 31 2025 at 06:46)
- Starting with Mathlib (2 messages, latest: Jan 30 2025 at 22:02)
- advice on pen+paper maths proof before I create a lean proof (7 messages, latest: Jan 30 2025 at 20:40)
- Proving termination of function which uses helper functions (6 messages, latest: Jan 30 2025 at 18:31)
- Error while importing Mathlib (71 messages, latest: Jan 30 2025 at 18:15)
- Unfolding let definition (10 messages, latest: Jan 30 2025 at 18:13)
- Dictionary datatype with
ToExpr
(21 messages, latest: Jan 30 2025 at 17:17) - How to coerce Quiver.Hom into FunLike in FullSubcategory (12 messages, latest: Jan 30 2025 at 13:05)
- Extracting variables from an existential quantifier (∃) (5 messages, latest: Jan 30 2025 at 12:08)
- Meaning of
specialize
(1 message, latest: Jan 30 2025 at 08:49) - Building a Lean Project with
flake.nix
(6 messages, latest: Jan 30 2025 at 07:41) - ✔ How can I require local git repository in lakefile? (6 messages, latest: Jan 29 2025 at 21:23)
- A purer version of
try
orany_goals
? (3 messages, latest: Jan 29 2025 at 19:52) - [Interested in contributing to Mathlib (particularly analy…](topic/Interested.20in.20contributing.20to.20Mathlib.20(particularly.20analy.2E.2E.2E.html) (11 messages, latest: Jan 29 2025 at 18:20)
- Canonical way of proving connectedness? (9 messages, latest: Jan 29 2025 at 09:54)
- ✔ How to select distinct elements from a set? (8 messages, latest: Jan 29 2025 at 06:46)
- ✔
deriving
later (4 messages, latest: Jan 29 2025 at 05:31) - Simple proof to show Lean tactics ((n+1)! - n! = n(n!)) (20 messages, latest: Jan 29 2025 at 03:44)
- term mode version of simple tactic proof (11 messages, latest: Jan 28 2025 at 21:22)
- Dependent Type Theory with Lean (4 messages, latest: Jan 28 2025 at 20:03)
- The kernel of a homomorphism ϕ : G → H is a subgroup of G (35 messages, latest: Jan 28 2025 at 15:15)
- Handling Conditional Cases & Prime Representations (4 messages, latest: Jan 28 2025 at 14:19)
- ✔ What's wrong with that one-line proof? (9 messages, latest: Jan 28 2025 at 12:35)
- ✔ Are things being removed on lean-nightly? (11 messages, latest: Jan 28 2025 at 12:19)
- ✔ Time taken to build project vs all the individual files? (8 messages, latest: Jan 27 2025 at 23:41)
exact?
can't findmul_left_cancel₀
for ℝ (12 messages, latest: Jan 27 2025 at 23:21)- bool vs prop (6 messages, latest: Jan 27 2025 at 22:47)
- Classical vs constructive logic in computation (17 messages, latest: Jan 27 2025 at 22:37)
- Handling impossible cases in definitions (11 messages, latest: Jan 27 2025 at 22:35)
- ✔ How to use summation on a limited subset of Nat (10 messages, latest: Jan 27 2025 at 14:52)
- ✔ Help with classical reasoning (4 messages, latest: Jan 27 2025 at 09:50)
- why exactly are 1-line calc sections bad? (19 messages, latest: Jan 27 2025 at 04:45)
- Proof of unsolvability of equations by elementary functions (11 messages, latest: Jan 26 2025 at 22:35)
- ✔ Idiomatic way to 'solve' simple linear inequalities? (5 messages, latest: Jan 26 2025 at 21:09)
- Docs for inductive generated functions like T.rec? (4 messages, latest: Jan 26 2025 at 18:11)
- Defining fixpoint types (4 messages, latest: Jan 26 2025 at 17:53)
- Set of all compositions of given multivariate functions II (32 messages, latest: Jan 26 2025 at 17:16)
- Explicitly mark match case as impossible (4 messages, latest: Jan 26 2025 at 14:49)
- When to use @[simp] (1 message, latest: Jan 26 2025 at 12:06)
- Making Fin error on out-of-range number instead of wrapping (21 messages, latest: Jan 26 2025 at 11:28)
- ✔ Really slow code working with Quotients (4 messages, latest: Jan 26 2025 at 00:56)
- ✔ What is the easiest way to deal with rationals? (13 messages, latest: Jan 25 2025 at 21:48)
- ✔ Providing proof when matching. (7 messages, latest: Jan 25 2025 at 20:26)
- Error for rebuilting? (1 message, latest: Jan 25 2025 at 19:28)
- ✔ Error while checking lean version (4 messages, latest: Jan 25 2025 at 17:59)
- ✔ Any hints how to prove this? (10 messages, latest: Jan 25 2025 at 17:23)
- ✔ Reverse of Nat.mul_sub (5 messages, latest: Jan 25 2025 at 14:51)
- ✔ Instance from structure not being inferred (6 messages, latest: Jan 25 2025 at 14:11)
- Summation over 'some' subset of natural numbers (7 messages, latest: Jan 25 2025 at 13:40)
- How to use lifts? (3 messages, latest: Jan 25 2025 at 06:10)
- ✔ difference between tactics and lemmas (2 messages, latest: Jan 25 2025 at 01:37)
- Is there an ENNReal.natCast_div? (5 messages, latest: Jan 25 2025 at 00:55)
- Representing n-times differentiable fn in theorem statement (6 messages, latest: Jan 24 2025 at 19:13)
- Meaning of open Example (…) syntax (4 messages, latest: Jan 24 2025 at 17:42)
- How to apply the induction hyp. inside proof by matching (8 messages, latest: Jan 24 2025 at 16:32)
- Termination of substitution in STLC (13 messages, latest: Jan 24 2025 at 16:32)
- ✔ Is there a simpler proof ? (12 messages, latest: Jan 24 2025 at 15:46)
- lake build do not produce a binary (7 messages, latest: Jan 24 2025 at 13:03)
- How to rewrite match case (12 messages, latest: Jan 24 2025 at 12:23)
- ✔ Is there a simpler proof? (4 messages, latest: Jan 24 2025 at 12:06)
- How do I prove this lemma? (7 messages, latest: Jan 24 2025 at 11:22)
- ✔ Imports are out of date and must be rebuilt; use the "R… (7 messages, latest: Jan 24 2025 at 09:21)
- ✔ Countable for set of non-empty Finsets of Countable? (10 messages, latest: Jan 24 2025 at 02:32)
- ✔ Natural Number Division tactic (6 messages, latest: Jan 23 2025 at 23:18)
- Multiply by a constant (19 messages, latest: Jan 23 2025 at 22:10)
- Inductive definition with "less than" requirement (2 messages, latest: Jan 23 2025 at 18:07)
- What is Trunc? (9 messages, latest: Jan 23 2025 at 11:24)
- beginner question about Curry-Howard Correspondence (4 messages, latest: Jan 23 2025 at 11:05)
- why does ofNat require this form? (5 messages, latest: Jan 23 2025 at 10:38)
- match loses something (3 messages, latest: Jan 23 2025 at 10:01)
- How to lift inequality from about Nat to about Real? (5 messages, latest: Jan 23 2025 at 09:21)
- Defining an explicit ring homomorphism (4 messages, latest: Jan 23 2025 at 09:06)
- ✔ How to convert cardinality of a set to a natural number (9 messages, latest: Jan 23 2025 at 07:59)
- Allowing for φ(g * h) = φ(g) * φ(h) in Lean (22 messages, latest: Jan 23 2025 at 00:42)
- Dependent instance derivation (4 messages, latest: Jan 22 2025 at 22:24)
- chronic problems with "imports out of date" (5 messages, latest: Jan 22 2025 at 21:23)
- Lean typing questions (13 messages, latest: Jan 22 2025 at 21:22)
- The set of all compositions of given multivariate functions (49 messages, latest: Jan 22 2025 at 20:07)
- ✔ Working with strings (4 messages, latest: Jan 22 2025 at 19:48)
- VScode highlighting non-ascii characters (4 messages, latest: Jan 22 2025 at 18:48)
- Create Instance of a Category (11 messages, latest: Jan 22 2025 at 10:43)
- List comprehension (4 messages, latest: Jan 22 2025 at 10:28)
- Are "«" and "»" special characters? (17 messages, latest: Jan 22 2025 at 07:12)
- ✔
simp
not working on, like, ")".length.22.2Elength.html) (3 messages, latest: Jan 22 2025 at 02:34) - Why can't I return a specific value in a dependent type? (18 messages, latest: Jan 22 2025 at 02:19)
- weaker condition? (6 messages, latest: Jan 21 2025 at 23:13)
- Lean won't let me write proposition due to type error (9 messages, latest: Jan 21 2025 at 22:26)
- exporting a dynamic library (8 messages, latest: Jan 21 2025 at 19:02)
- ✔ How leanblueprint build separate dependency graph? (4 messages, latest: Jan 21 2025 at 11:32)
- Shorter proof? (16 messages, latest: Jan 21 2025 at 11:16)
- How do I setup Mathlib for my current toolchain? (20 messages, latest: Jan 21 2025 at 06:46)
- ✔ large elimination (12 messages, latest: Jan 21 2025 at 00:10)
- Introducing Lean to undergraduates: elementary group theory (13 messages, latest: Jan 20 2025 at 22:54)
- ✔ Disambiguating types in InfoView (7 messages, latest: Jan 20 2025 at 18:13)
- ✔ linarith failed to find a contradiction with min, max (14 messages, latest: Jan 20 2025 at 15:58)
- ✔ How can I use
cases
on all valid hypothesis? (4 messages, latest: Jan 20 2025 at 14:33) - Proving simple injection (4 messages, latest: Jan 20 2025 at 14:00)
- cannot infer universe when declaring instances (17 messages, latest: Jan 20 2025 at 13:31)
- trace.profiler doesn't complete when debugging slow proofs (14 messages, latest: Jan 20 2025 at 09:01)
- My first Lean 4 formalization of a non-trivial theorem (5 messages, latest: Jan 20 2025 at 03:17)
- How to turn an exists_unique into a function? (7 messages, latest: Jan 20 2025 at 03:13)
- Ignoring noncomputable (13 messages, latest: Jan 19 2025 at 22:30)
- MIL Ch. 7 Hierarchies: Multiple inheritance (8 messages, latest: Jan 19 2025 at 21:29)
- Predicate language (?), different logical connectives etc. (10 messages, latest: Jan 19 2025 at 19:45)
- How to create and run unit tests? (6 messages, latest: Jan 19 2025 at 16:20)
- start proof (5 messages, latest: Jan 18 2025 at 17:45)
- tactic 'rewrite' failed, motive is not type correct (31 messages, latest: Jan 18 2025 at 10:12)
- How to defined the conjugate of subgroup G be like : (4 messages, latest: Jan 18 2025 at 09:01)
- making sInf computable (2 messages, latest: Jan 18 2025 at 00:01)
- How to apply this seemingly simple theorem in lean using con (3 messages, latest: Jan 17 2025 at 22:00)
- macro to construct ( $tm : $ty) (5 messages, latest: Jan 17 2025 at 18:11)
- Disable dot notation (6 messages, latest: Jan 17 2025 at 17:31)
- Sharing Lean projects (19 messages, latest: Jan 17 2025 at 17:25)
- How can I handle the partial sum of geometric series (5 messages, latest: Jan 17 2025 at 16:59)
- Namespaces and rfl (3 messages, latest: Jan 17 2025 at 16:34)
- ✔ why aren't Propositions of Type Bool? (6 messages, latest: Jan 17 2025 at 11:42)
- ✔ How to solve this example in Complex Domain? (2 messages, latest: Jan 17 2025 at 08:29)
- Unsure about proper use of cast tactics (3 messages, latest: Jan 17 2025 at 03:54)
- MIL S01_calculating solutions for last questions (6 messages, latest: Jan 17 2025 at 03:17)
- Basic import issues + advice (7 messages, latest: Jan 16 2025 at 20:53)
- Decision procedure for equations over fields (5 messages, latest: Jan 16 2025 at 18:56)
- How to represent assertions about contents of lists? (4 messages, latest: Jan 16 2025 at 17:16)
- Appropriate base for the RankOne hom instance for K((X)) (6 messages, latest: Jan 16 2025 at 11:51)
- fderivWithin Confusion (9 messages, latest: Jan 16 2025 at 07:27)
- unable to synthesize 'MonadEval' instance (5 messages, latest: Jan 16 2025 at 01:44)
- ✔ Help with Loogle (8 messages, latest: Jan 15 2025 at 23:10)
- Is there a way to use inductive variants as types? (14 messages, latest: Jan 15 2025 at 20:39)
- How to make this recursion (?) work? (9 messages, latest: Jan 15 2025 at 08:11)
decide
stack overflows with tail-recursive instance (2 messages, latest: Jan 15 2025 at 02:05)- AddgroupClass (1 message, latest: Jan 15 2025 at 01:28)
- Hall's universal group (7 messages, latest: Jan 15 2025 at 00:24)
- So I'm trying to learn lean but I'm struggling with somethin (19 messages, latest: Jan 14 2025 at 22:03)
- understanding a recursor for a simple inductive type (8 messages, latest: Jan 14 2025 at 20:29)
- ✔ Simp doesn't work as in "Functional Programming in Lean… (5 messages, latest: Jan 14 2025 at 20:15)
- what is an "arrow type"? (3 messages, latest: Jan 14 2025 at 15:55)
- ✔ How to prove things about dfoldr? (8 messages, latest: Jan 14 2025 at 15:55)
- Typeclass for bounded natural numbers? (18 messages, latest: Jan 14 2025 at 15:33)
- ✔ Problem with propositionally equal types (?) (14 messages, latest: Jan 14 2025 at 07:17)
- ✔ Proving ab=cb => a=c for a,b,c in PNat? (16 messages, latest: Jan 14 2025 at 03:49)
- ✔ Functional Programming in Lean, array indexing with simp (5 messages, latest: Jan 13 2025 at 22:44)
- ✔ first mention of "introduction rule" in TPIL (beginner q) (17 messages, latest: Jan 13 2025 at 21:39)
- Error updating mathlib (27 messages, latest: Jan 13 2025 at 21:13)
- Error requiring MathLib in lake (17 messages, latest: Jan 13 2025 at 21:06)
- Algebraic manipulations with fractions and lean3 to lean4 (3 messages, latest: Jan 13 2025 at 19:04)
- ✔ function as proof vs proof by tactics (beginner struggles) (9 messages, latest: Jan 13 2025 at 16:47)
- why does this recursion fail when defining an instance? (4 messages, latest: Jan 13 2025 at 16:08)
- How to substitute into an expression (5 messages, latest: Jan 13 2025 at 14:17)
- package (4 messages, latest: Jan 13 2025 at 02:57)
- formalize krull's height theorem (1 message, latest: Jan 13 2025 at 02:13)
- Dershowitz-Manna Ordering theorem (40 messages, latest: Jan 12 2025 at 21:46)
- ✔ How to define helper function inside structure? (10 messages, latest: Jan 12 2025 at 21:20)
- ✔ How to apply an axiom in general in Lean? (37 messages, latest: Jan 12 2025 at 19:31)
- understanding inductive types - intro/elimination rules? (9 messages, latest: Jan 12 2025 at 17:55)
- Using lean4export (10 messages, latest: Jan 12 2025 at 17:37)
- Proving an or-statement with nice structure (7 messages, latest: Jan 12 2025 at 15:10)
- ✔ Some problem for group (8 messages, latest: Jan 12 2025 at 11:18)
- ✔ How to disable auto declare variable? (3 messages, latest: Jan 12 2025 at 08:02)
- ✔ theory question about "dependent type theory" (10 messages, latest: Jan 11 2025 at 19:11)
- ✔ casting problem - def is not in ℚ, theorem to prove is ℚ (23 messages, latest: Jan 11 2025 at 16:08)
- ✔ How to evaluate types? (3 messages, latest: Jan 11 2025 at 15:58)
- lake exec cache get not working? (5 messages, latest: Jan 11 2025 at 09:02)
- halfOpenBoxes (5 messages, latest: Jan 11 2025 at 09:01)
- How to prove some simple combinatoric identities (12 messages, latest: Jan 11 2025 at 03:35)
- Review of simple proof (4 messages, latest: Jan 10 2025 at 23:29)
- ✔ Can I know exactly what collaterals are added by commands? (18 messages, latest: Jan 10 2025 at 21:08)
- ✔
Repr
forInt16
? (6 messages, latest: Jan 10 2025 at 17:52) - ✔
Repr
orToString
(6 messages, latest: Jan 10 2025 at 17:51) - ✔ Nested
StateT
(6 messages, latest: Jan 10 2025 at 17:51) - Easier ways to prove
log(5/2) <= 1
? (3 messages, latest: Jan 10 2025 at 04:49) - application type mismatch ⋯.mp argument on congrArg (5 messages, latest: Jan 10 2025 at 00:35)
- Stuck on trying to prove termination (7 messages, latest: Jan 09 2025 at 23:29)
- How to reverse an inequality (6 messages, latest: Jan 09 2025 at 23:00)
- Base Case for Induction on N+ (39 messages, latest: Jan 09 2025 at 21:21)
- ✔ w-saturated models (5 messages, latest: Jan 09 2025 at 17:55)
- ✔ Monoid Homomorphism from MulAut.conj x • H to H (6 messages, latest: Jan 09 2025 at 16:22)
- ✔ Vector append (6 messages, latest: Jan 09 2025 at 15:30)
- 0.96:ℚ * n < 1.0:ℚ * n - why so difficult? (with MWE) (4 messages, latest: Jan 09 2025 at 15:25)
- Collaborators for work on (noncommutative) Noetherian rings? (32 messages, latest: Jan 09 2025 at 15:05)
- simp and matching def (4 messages, latest: Jan 09 2025 at 14:24)
- Generating a random float number? (19 messages, latest: Jan 09 2025 at 09:46)
- can't spot but (failed to synthesize instance) (7 messages, latest: Jan 09 2025 at 05:23)
- ✔ Theorem Proving In Lean 4: Functor instance for BinTree (4 messages, latest: Jan 08 2025 at 22:49)
- Temporary opaqueness in the middle of the proof? (12 messages, latest: Jan 08 2025 at 20:24)
- ✔ Typing issue in Fermat's Little Theorem (4 messages, latest: Jan 08 2025 at 19:39)
- universe polymorphism in Expressions (9 messages, latest: Jan 08 2025 at 13:07)
- ✔ Lean can't find pattern to rewrite (7 messages, latest: Jan 08 2025 at 12:11)
- permission to push to GitHub (71 messages, latest: Jan 08 2025 at 11:00)
- trying to understand inductive types (Xena blog) (5 messages, latest: Jan 08 2025 at 10:26)
- Proving a theorem with recursion and lists (8 messages, latest: Jan 08 2025 at 03:34)
- Trouble installing (Windows) - revision not found 'master' (14 messages, latest: Jan 07 2025 at 17:50)
- Omitting section variables inside the same section (13 messages, latest: Jan 07 2025 at 17:49)
- ✔ Case succ not found (7 messages, latest: Jan 07 2025 at 16:15)
- Split ne into lt, gt cases (3 messages, latest: Jan 07 2025 at 14:36)
- ✔ How are functions taking equalities type checked? (6 messages, latest: Jan 07 2025 at 14:27)
- Dealing with imports (7 messages, latest: Jan 07 2025 at 13:29)
- ✔ Why is an intermediate definition needed? (6 messages, latest: Jan 07 2025 at 12:08)
- Examples of using probability theory in Lean (6 messages, latest: Jan 07 2025 at 08:19)
- ✔ Getting stuck with simple prime proof (8 messages, latest: Jan 07 2025 at 06:56)
- Failed to synthesize Union (7 messages, latest: Jan 07 2025 at 04:12)
- ✔ Withdraw the question of request a deft to be … Mathlib (17 messages, latest: Jan 07 2025 at 03:40)
- Defining a motive (2 messages, latest: Jan 06 2025 at 16:49)
- proper way to denote a function f(n) vs f_n (3 messages, latest: Jan 06 2025 at 16:27)
- How to prove that the decimal part of a rational number is c (2 messages, latest: Jan 06 2025 at 15:37)
- Nested pattern matching in cases (3 messages, latest: Jan 06 2025 at 04:30)
- ✔ Define an inductive structure that satifies a proposition (4 messages, latest: Jan 06 2025 at 02:08)
- Help getting started (5 messages, latest: Jan 05 2025 at 23:06)
- Reduction of operator classes (2 messages, latest: Jan 05 2025 at 21:53)
- Is there any space focused on software engineering in Lean? (4 messages, latest: Jan 05 2025 at 21:30)
- rule for recursive part of recursive function (7 messages, latest: Jan 05 2025 at 19:03)
- ✔ Does "Set" mean a subset, or else a proper subset? (17 messages, latest: Jan 05 2025 at 16:50)
- Radon Nikodym Fun (2 messages, latest: Jan 05 2025 at 16:27)
- ✔ intro to doing calculus with lean? (6 messages, latest: Jan 05 2025 at 16:14)
- HAdd instance use value of operand in outParam type (11 messages, latest: Jan 05 2025 at 15:33)
- Local definition and substitutions (5 messages, latest: Jan 05 2025 at 14:37)
- ✔ How to use both Nat.le_induction and Nat.twoStepInduction (7 messages, latest: Jan 05 2025 at 06:46)
- ✔ terminology - names for parts of a recursively defined fn (7 messages, latest: Jan 05 2025 at 03:49)
- [Proving compactness of (0,r] from [0,r]](topic/Proving.20compactness.20of.20(0.2Cr.5D.20from.20.5B0.2Cr.5D.html) (6 messages, latest: Jan 05 2025 at 01:26)
- Setting up exercises for cardinality on Sets (17 messages, latest: Jan 04 2025 at 22:55)
- About do not use exhaustive search (5 messages, latest: Jan 04 2025 at 22:39)
- Introduction: Noble Mushtak (1 message, latest: Jan 04 2025 at 22:16)
- How to use theorems in the general case to the specific… (7 messages, latest: Jan 04 2025 at 17:51)
- ✔ terminology "f applied to n" or "f with parameter n" (5 messages, latest: Jan 04 2025 at 17:45)
- Declaring an Instance? (18 messages, latest: Jan 04 2025 at 17:42)
- why aren't these functions equivalent? (3 messages, latest: Jan 04 2025 at 16:22)
- Vector Map Equalities in Mathlib (2 messages, latest: Jan 04 2025 at 12:50)
- ✔ Reducing a boolean equality (6 messages, latest: Jan 04 2025 at 12:09)
- why is < Prop-valued instead of a Bool? (4 messages, latest: Jan 04 2025 at 08:43)
- modal logic on top of Lean's logic? (6 messages, latest: Jan 04 2025 at 02:55)
- ✔ universe levels issues in do notation (12 messages, latest: Jan 03 2025 at 21:22)
- Variable Macro For bv_decide (12 messages, latest: Jan 03 2025 at 20:51)
- Debugging
panic
? (8 messages, latest: Jan 03 2025 at 19:31) - recursively defined function with more than one variable (16 messages, latest: Jan 03 2025 at 18:59)
- "noncomputable" is contagious - shouldn't "partial" also be? (26 messages, latest: Jan 03 2025 at 18:28)
- ✔ Help building recursive structures (10 messages, latest: Jan 03 2025 at 17:43)
plausible
with range condition on naturals? (4 messages, latest: Jan 03 2025 at 17:27)- When to use and when not to use parenthesis? (6 messages, latest: Jan 03 2025 at 16:22)
- ✔ Why does VSCode give the wrong symbol \subset? (5 messages, latest: Jan 03 2025 at 15:32)
- ✔ Which namespace? (7 messages, latest: Jan 03 2025 at 12:52)
- rewriting an expression without writing it again (3 messages, latest: Jan 03 2025 at 04:17)
- ✔ the type of a recursively defined function (8 messages, latest: Jan 03 2025 at 00:03)
- ✔ recursive definitions,
n+1 =>
vsn =>
(14 messages, latest: Jan 02 2025 at 21:48) - match case by mod remainder (6 messages, latest: Jan 02 2025 at 20:10)
- Lusin'a Approximation Theorem (2 messages, latest: Jan 02 2025 at 10:04)
- ✔ How to prove IntervalIntegrable? (5 messages, latest: Jan 02 2025 at 09:19)
- How to formulate sets of functions in general? (22 messages, latest: Jan 02 2025 at 05:53)
- Countable Measurable (3 messages, latest: Jan 02 2025 at 00:19)
- ✔ Need Help with BinaryTree.Insert (4 messages, latest: Jan 02 2025 at 00:00)
- Importing local files help (5 messages, latest: Jan 01 2025 at 21:35)
- Change of Basis confusion (22 messages, latest: Jan 01 2025 at 19:13)
- aux appearing in instance (4 messages, latest: Jan 01 2025 at 09:14)
- Equivalent of "Program Definition" in Coq (36 messages, latest: Jan 01 2025 at 03:15)
- How to fold a vector (3 messages, latest: Jan 01 2025 at 01:24)
- Showing
Fin a.size
on Advent Day 9 (5 messages, latest: Dec 31 2024 at 23:51) - ✔ casting ℕ to ℚ -
(↑k + 1)
vs↑(k + 1)
(8 messages, latest: Dec 31 2024 at 21:34) - connection b/w induction proofs and recursive def of ℕ (13 messages, latest: Dec 31 2024 at 21:04)
- Weird difference between class and structure (8 messages, latest: Dec 31 2024 at 18:01)
- Vladimir Ovechkin (4 messages, latest: Dec 31 2024 at 16:56)
exact?
quick fix is wrong (2 messages, latest: Dec 31 2024 at 14:15)- ✔ Defining Primes - Theorem Proving in Lean 4 (4 messages, latest: Dec 31 2024 at 10:42)
- ✔ Q: Level 7 / 7 : IffBoss in Intro to logic game (16 messages, latest: Dec 31 2024 at 10:02)
- ✔ How to def term in lean. (10 messages, latest: Dec 31 2024 at 01:16)
- Synthesize typeclass instance (11 messages, latest: Dec 31 2024 at 00:36)
- installation on Fedora (37 messages, latest: Dec 31 2024 at 00:12)
- Proving Countability of linear equivalences (4 messages, latest: Dec 30 2024 at 14:37)
- ✔ Proving theorem relating to finite sets (5 messages, latest: Dec 30 2024 at 12:08)
- How to use Lean to prove this problem related to generating (7 messages, latest: Dec 30 2024 at 11:58)
- IsSetRing to CommRing (9 messages, latest: Dec 30 2024 at 07:05)
- 2 beginner problems with an induction proof (17 messages, latest: Dec 30 2024 at 03:02)
- ✔ Mechanics of Proof 6.2 Exercise 8 (5 messages, latest: Dec 29 2024 at 17:38)
- Confused about proper way to set up git repo (42 messages, latest: Dec 29 2024 at 14:29)
- ✔Type Issue in the Construction of a Functor (4 messages, latest: Dec 29 2024 at 13:35)
- ✔ Problem with coercion of
Fin n
toZMod n
(7 messages, latest: Dec 29 2024 at 06:32) - How to use my own version of ProofWidgets with Mathlib? (47 messages, latest: Dec 29 2024 at 06:05)
- ✔ trouble evaluating a recursive function (7 messages, latest: Dec 29 2024 at 03:28)
- Restrict a MeasurableSpace to a set (4 messages, latest: Dec 28 2024 at 22:03)
- Casting List to Vector (10 messages, latest: Dec 28 2024 at 20:26)
- how to read A → B → C ? (3 messages, latest: Dec 28 2024 at 20:20)
- ✔ what does
with
do ininduction n with
(3 messages, latest: Dec 28 2024 at 19:00) - Default values not synthesizing (4 messages, latest: Dec 28 2024 at 18:59)
- ✔ How to start Lean 4 in Ubuntu in WSL? (10 messages, latest: Dec 28 2024 at 17:08)
if then else
explicit condition (4 messages, latest: Dec 28 2024 at 15:44)- ✔ Why a top on top of top? (4 messages, latest: Dec 28 2024 at 15:35)
- ✔ Type \top but \uparrow\top expected (7 messages, latest: Dec 28 2024 at 15:31)
- ✔ contDiffAt from contMDiffAt (NB the M) (3 messages, latest: Dec 28 2024 at 14:31)
- Proving the derivative of a polynomial evaluates to zero (5 messages, latest: Dec 28 2024 at 12:30)
- Is Quoted a weak way of typing macros? (9 messages, latest: Dec 28 2024 at 11:24)
- ✔ Documentation for tactics in Lean 4? (6 messages, latest: Dec 28 2024 at 09:51)
- ✔ simp and if .. then .. else (5 messages, latest: Dec 27 2024 at 23:59)
- Confusing "MeasurableSet" display (6 messages, latest: Dec 27 2024 at 23:43)
- ✔ Finding the inferred instance (4 messages, latest: Dec 27 2024 at 22:21)
- General Newbie Advice/Questions (23 messages, latest: Dec 27 2024 at 16:51)
- ✔ exploring vanilla lean/mathlib ways of doing "extra" (4 messages, latest: Dec 27 2024 at 13:36)
- How to interpret successful CI check statuses? (4 messages, latest: Dec 27 2024 at 08:52)
- How to do exercise without le_antisymm? (5 messages, latest: Dec 27 2024 at 07:15)
- ✔ difference between le_add_of_nonneg _left and _right ? (9 messages, latest: Dec 27 2024 at 00:04)
- ✔ Help with basic preorder proof (16 messages, latest: Dec 26 2024 at 23:25)
- TendstoUniformlyOn - supremum norm goes to zero (2 messages, latest: Dec 26 2024 at 22:54)
- ✔ Simplifying nested if-then-else statements (4 messages, latest: Dec 26 2024 at 22:14)
- ✔ Does Lean 4 care about indentation? (10 messages, latest: Dec 26 2024 at 20:21)
- ✔ Q: and_imp in Intro to Logic Game (13 messages, latest: Dec 26 2024 at 19:31)
- induction vs induction' with vanilla lean4+mathlib (10 messages, latest: Dec 26 2024 at 18:19)
- easiest way to get all diagnostics for a new file in cli (2 messages, latest: Dec 26 2024 at 06:50)
- ✔ A normal form for negations problem. (5 messages, latest: Dec 26 2024 at 03:57)
- ✔ How to write a proposition that 'a' belongs to 'Nat'? (31 messages, latest: Dec 25 2024 at 18:04)
- issue with GADT (9 messages, latest: Dec 25 2024 at 15:10)
- can't apply simple inequality by
rel
(11 messages, latest: Dec 25 2024 at 12:03) - finite recursive -1/12=1+2+3+… accepted! (543 messages, latest: Dec 25 2024 at 09:05)
- knot theory (74 messages, latest: Dec 25 2024 at 03:53)
- ✔ Trouble setting up
doc-gen4
. (47 messages, latest: Dec 24 2024 at 18:04) - How to prove the equality of polynomial coefficients? (1 message, latest: Dec 24 2024 at 16:10)
- devide vs #eval (6 messages, latest: Dec 24 2024 at 15:28)
- Take derivatives multiple times. (7 messages, latest: Dec 24 2024 at 14:21)
- Would someone please tell me how I'd simplify this proof? (3 messages, latest: Dec 24 2024 at 02:20)
- ✔ Isomorphism between two groups (12 messages, latest: Dec 24 2024 at 02:02)
- suggestion to enhance error message (calc failed) (4 messages, latest: Dec 24 2024 at 01:52)
- lake update's widget/package-lock.json.* in ProofWidgets4? (4 messages, latest: Dec 23 2024 at 22:23)
- ✔ algebra works with Z but not N (10 messages, latest: Dec 23 2024 at 18:57)
- ✔ emacs and lean/mathlib? (4 messages, latest: Dec 23 2024 at 18:49)
- ✔ why I can't rewrite this through Nat.cast_id? (4 messages, latest: Dec 23 2024 at 16:55)
- Could someone help for proving this problem (identity 212)? (8 messages, latest: Dec 23 2024 at 16:55)
- ✔ How can I solve this problem? (17 messages, latest: Dec 23 2024 at 16:54)
- I have got the proof in informal one.Try to prove it in lean (15 messages, latest: Dec 23 2024 at 16:52)
- ✔ how to solve this problem in Lean4? (29 messages, latest: Dec 23 2024 at 16:51)
- Hello! I want to convert this from N to Z! (27 messages, latest: Dec 23 2024 at 16:50)
- ✔ Triangle (⊤: SimpleGraph (Fin 3)) contained in a graph (11 messages, latest: Dec 23 2024 at 13:43)
- Beginner Question on a 'failed "apply"…' (10 messages, latest: Dec 22 2024 at 23:17)
- ✔ Batteries with Lean 4.14.0 (7 messages, latest: Dec 22 2024 at 22:19)
- Syntax to parse binary strings (10 messages, latest: Dec 22 2024 at 21:51)
- Lake creates lean3 project structure (28 messages, latest: Dec 22 2024 at 10:09)
- Twm Stone (1 message, latest: Dec 22 2024 at 09:05)
- Ring of sets generated by a set (12 messages, latest: Dec 22 2024 at 08:02)
- ✔ The law of excluded middle problem. (6 messages, latest: Dec 22 2024 at 00:25)
- [✔ Extensionality for
= ](topic/.E2.9C.94.20Extensionality.20for.20.3CSubgroup.3E.20.3D.20.3CGroup.3E.html) (7 messages, latest: Dec 21 2024 at 12:12) - Get Finsupp with all factors less than given number? (15 messages, latest: Dec 20 2024 at 21:15)
- ✔ how to intro a variable from negated quantifiers (18 messages, latest: Dec 20 2024 at 20:31)
- Coercions from Nat to Int (12 messages, latest: Dec 20 2024 at 18:44)
- Parallelizing formalization efforts? (4 messages, latest: Dec 20 2024 at 17:50)
- ✔
intro
toby_contra
- any disadvantages? (5 messages, latest: Dec 20 2024 at 14:08) - ✔ struggling with "typeclass instance problem is stuck" (8 messages, latest: Dec 20 2024 at 13:38)
- Seeming contradiction (5 messages, latest: Dec 20 2024 at 11:44)
- ✔ typeclass system with and without #check; Lie algebras (8 messages, latest: Dec 20 2024 at 08:04)
- Unable to rewrite, despite being identical (5 messages, latest: Dec 20 2024 at 07:29)
- Finite union of Singletons is finite. How to show? (10 messages, latest: Dec 20 2024 at 02:28)
- ✔ Unfold a local recursive function definition? (7 messages, latest: Dec 19 2024 at 22:48)
- Recursors and implementation (3 messages, latest: Dec 19 2024 at 20:53)
- goal contradicts hypothesis -
contradiction
doesn't work (37 messages, latest: Dec 19 2024 at 19:29) - How to close proof on BitBlasting over Fin (1 message, latest: Dec 19 2024 at 18:16)
- Failing import has red squiggles at beginning of import bloc (3 messages, latest: Dec 19 2024 at 11:44)
- Intersection of intervals (10 messages, latest: Dec 19 2024 at 08:34)
- ✔ Mathematics in Lean section 2.2 Group Proofs (11 messages, latest: Dec 19 2024 at 03:10)
- goals accomplished (24 messages, latest: Dec 18 2024 at 23:11)
- ✔ unused variable puzzle (8 messages, latest: Dec 18 2024 at 17:20)
- ✔ Composition of linear maps as function composition? (12 messages, latest: Dec 18 2024 at 13:41)
- ✔ how to turn off annoying tool-tips in VSC and live.lean… (16 messages, latest: Dec 18 2024 at 13:27)
- Building a type for "all permutations" (6 messages, latest: Dec 18 2024 at 12:54)
- ✔ (deleted2) (2 messages, latest: Dec 18 2024 at 10:29)
- ✔ Recursive function inside a proof. What syntax? (10 messages, latest: Dec 18 2024 at 07:01)
- Setting value of vector (13 messages, latest: Dec 18 2024 at 01:29)
- ✔ Prove theorem "not_or" (De Morgan's law) (4 messages, latest: Dec 17 2024 at 23:06)
- |> (16 messages, latest: Dec 17 2024 at 21:55)
- ✔ feedback on small proof (linarith too clever?) (9 messages, latest: Dec 17 2024 at 21:27)
- Help with aesop (20 messages, latest: Dec 17 2024 at 20:52)
- ✔ How to get
n.succ = n + 1 := by rfl
for customNat
? (7 messages, latest: Dec 17 2024 at 19:46) - Experimenting with a new tactic - unknown tag (4 messages, latest: Dec 17 2024 at 19:27)
- ✔ stuck on exercise which seems to be about limits (19 messages, latest: Dec 17 2024 at 19:13)
- Need help fixing dependency (5 messages, latest: Dec 17 2024 at 18:42)
- permission denied error code: 13 (6 messages, latest: Dec 17 2024 at 11:49)
- ✔ Why does this proof work? (5 messages, latest: Dec 17 2024 at 07:46)
- Proving Primality and working with arrays (11 messages, latest: Dec 17 2024 at 07:30)
- Set.add not resolving (10 messages, latest: Dec 16 2024 at 22:41)
- ✔ circular argument using
by_cases
? (13 messages, latest: Dec 16 2024 at 16:43) - Dependent type; type checker
__do_lift
(2 messages, latest: Dec 15 2024 at 23:14) - ✔
instance : OfNat
example from the book. (8 messages, latest: Dec 15 2024 at 23:05) - ✔ Mutually recursive function in a proof? (7 messages, latest: Dec 15 2024 at 22:46)
- How to define the set of all functions between two sets? (47 messages, latest: Dec 15 2024 at 17:21)
- How to prove mapping from n-ary number to nat is injective? (4 messages, latest: Dec 15 2024 at 15:03)
- ✔ How can I convert a sphere into a ball? (32 messages, latest: Dec 15 2024 at 06:02)
- A question about ENNReal (4 messages, latest: Dec 15 2024 at 03:49)
- How to configure Mathlib version for earlier Lean version? (4 messages, latest: Dec 14 2024 at 22:45)
- ✔ Mechanics of Proof 4.2.10 Exercise 5 help (16 messages, latest: Dec 14 2024 at 15:45)
- Getting last element of general n-tuple possible? (6 messages, latest: Dec 14 2024 at 10:44)
- beginner question : proving no smallest rational number (8 messages, latest: Dec 14 2024 at 10:41)
- Chain Rule Times Out (WHNF max exceeded) (15 messages, latest: Dec 14 2024 at 09:24)
- joining typeclasses (10 messages, latest: Dec 14 2024 at 09:22)
- suggested tasks for newcomers (45 messages, latest: Dec 13 2024 at 23:45)
- A question about measure theory (8 messages, latest: Dec 13 2024 at 22:51)
- Where does proof code go? (8 messages, latest: Dec 13 2024 at 21:35)
- How should I prove index in bounds? (14 messages, latest: Dec 13 2024 at 21:05)
- ✔ need help with clarity on proof by contradiction (6 messages, latest: Dec 13 2024 at 21:04)
- syntax keyword (13 messages, latest: Dec 13 2024 at 20:14)
- How to Formalize Sequence? (2 messages, latest: Dec 13 2024 at 08:52)
- ✔ Function generating list of consecutive applications of… (8 messages, latest: Dec 13 2024 at 05:40)
- induction over Intergers (5 messages, latest: Dec 13 2024 at 04:14)
- Rational functions (8 messages, latest: Dec 13 2024 at 03:55)
- "Destructing" a membership statement (5 messages, latest: Dec 13 2024 at 01:08)
- failed to synthesize BEq (5 messages, latest: Dec 12 2024 at 22:36)
- a simp question (6 messages, latest: Dec 12 2024 at 18:41)
- ✔ Still confused about Mathlib installation (7 messages, latest: Dec 12 2024 at 15:48)
- ✔ How does the inference T3Space => T2Space work? (33 messages, latest: Dec 12 2024 at 14:57)
- Transition Maps on Smooth Manifold (10 messages, latest: Dec 12 2024 at 12:30)
- ✔ Calc mode complaining about non-matching expressions (10 messages, latest: Dec 12 2024 at 11:34)
- Custom inequality operators (12 messages, latest: Dec 12 2024 at 00:09)
- How to tell Lean to interpret all numbers as
Real
s? (21 messages, latest: Dec 11 2024 at 21:55) - ✔ Make the goal window show more info? (7 messages, latest: Dec 11 2024 at 20:43)
- Nat.sub_add_cancel for positive numbers (4 messages, latest: Dec 11 2024 at 12:40)
- ✔ Help in showing the subset topology is closed under uni… (7 messages, latest: Dec 11 2024 at 07:27)
- Problem converting between PartENat and Nat (9 messages, latest: Dec 11 2024 at 07:07)
- ✔ Obtaining the least element of a set of natural numbers (22 messages, latest: Dec 11 2024 at 05:01)
- Are the # commands listed and documented somewhere? (26 messages, latest: Dec 11 2024 at 03:35)
- How to lake update? Best practices? (18 messages, latest: Dec 11 2024 at 01:16)
- code generator does not support recursor (1 message, latest: Dec 10 2024 at 22:15)
- ✔ Questions about Set.Icc and Set.projIcc (7 messages, latest: Dec 10 2024 at 19:28)
- lean_action_ci.yml (5 messages, latest: Dec 10 2024 at 19:16)
- Proving membership to a set builder (15 messages, latest: Dec 10 2024 at 18:53)
- Giving multiple names to a custom type (9 messages, latest: Dec 10 2024 at 18:12)
- ✔ How to filter unused lemmas? (20 messages, latest: Dec 10 2024 at 18:02)
- Difference between decide and decide! (8 messages, latest: Dec 10 2024 at 16:58)
- Prove element of list is in list (10 messages, latest: Dec 10 2024 at 16:32)
- download (2 messages, latest: Dec 10 2024 at 10:39)
- ✔ "tracing" a tactic- how do I find what lemmas a tactic … (12 messages, latest: Dec 10 2024 at 10:04)
- Looking for code style review (6 messages, latest: Dec 10 2024 at 09:43)
- Add documentation on github setup? (1 message, latest: Dec 10 2024 at 03:28)
- on line (2 messages, latest: Dec 10 2024 at 02:29)
- ✔ Nth root of negative real number… (4 messages, latest: Dec 09 2024 at 23:10)
- ✔ rw inside of a Sigma type (23 messages, latest: Dec 09 2024 at 19:21)
- Haskell (5 messages, latest: Dec 09 2024 at 18:30)
- Lean Window Shakes in nvim (2 messages, latest: Dec 09 2024 at 18:26)
- Hypothesis marked as unused, bug? (3 messages, latest: Dec 09 2024 at 18:00)
- Cauchy-Schwarz inequality (31 messages, latest: Dec 09 2024 at 14:46)
- ✔ elan toolchain link just for a local folder (3 messages, latest: Dec 09 2024 at 09:52)
- ✔ Division by 0 (4 messages, latest: Dec 09 2024 at 09:05)
- Increasing on closed interval (5 messages, latest: Dec 09 2024 at 08:38)
- ✔ Integer division (3 messages, latest: Dec 09 2024 at 08:12)
- Axiom list - simp tag - simp line (4 messages, latest: Dec 09 2024 at 08:11)
- Understanding calc Mode Behavior with rw in Lean (19 messages, latest: Dec 09 2024 at 05:19)
- syntax: why doesn't
.mp
work here? (4 messages, latest: Dec 09 2024 at 02:35) - meaning of ɑ, β in proof headers about logical equivalence (11 messages, latest: Dec 08 2024 at 22:32)
- ✔ Question on placeholder in calc (7 messages, latest: Dec 08 2024 at 20:19)
- ✔ Beal Conjecture and ABC Conjecture (7 messages, latest: Dec 08 2024 at 18:16)
- Conditional acceptance tactic and Bayesian scoring (6 messages, latest: Dec 08 2024 at 16:42)
- Introduction: Joseph McKinsey (4 messages, latest: Dec 08 2024 at 13:38)
- why norm_num after
have x: Nat.Odd (2*n + 1) := by use n
? (10 messages, latest: Dec 08 2024 at 13:14) - ✔ Syntax to prove trivial termination? (5 messages, latest: Dec 08 2024 at 05:44)
- cached tactics (4 messages, latest: Dec 08 2024 at 03:07)
- Transitivity in Equational Logic (4 messages, latest: Dec 08 2024 at 02:28)
- vanilla way to do contradiction (simple example) (6 messages, latest: Dec 08 2024 at 02:10)
- ✔ PSigma vs Exists (12 messages, latest: Dec 07 2024 at 23:22)
- Reading—and using—lines from a file (6 messages, latest: Dec 07 2024 at 23:04)
- ✔ How to display some copy of InfoView right next to the … (6 messages, latest: Dec 07 2024 at 21:07)
- any documentation on how to set up a package and use it (3 messages, latest: Dec 07 2024 at 18:58)
- How to represent the inverse of a mod n in Lean (6 messages, latest: Dec 07 2024 at 17:51)
- struggling with non-linear (squared) inequality (8 messages, latest: Dec 07 2024 at 17:45)
- Minus sign not working, replaced by Neg.neg for now (6 messages, latest: Dec 07 2024 at 15:03)
- ✔ better way to get from
t ≥ 5
to4<t
(6 messages, latest: Dec 07 2024 at 13:55) - What is wrong with my formalization? (9 messages, latest: Dec 07 2024 at 12:51)
- confusion about how to orelse (5 messages, latest: Dec 07 2024 at 10:03)
- Don't understand "pure x" as a filter (7 messages, latest: Dec 07 2024 at 08:08)
- ✔ How to pattern match on strings? (5 messages, latest: Dec 07 2024 at 06:52)
- ✔ How to apply the theorem Nat.prime_def_lt' (10 messages, latest: Dec 07 2024 at 06:19)
- squaring a variable in an inequality (3 messages, latest: Dec 07 2024 at 02:17)
- lakefile.lean and lakefile.toml are both present (11 messages, latest: Dec 06 2024 at 20:36)
- why ring doesn't work on ring (13 messages, latest: Dec 06 2024 at 16:54)
- List from repeated elements? (16 messages, latest: Dec 06 2024 at 16:17)
- Unused variable in set constructor (3 messages, latest: Dec 06 2024 at 14:12)
- Infinite case of red diamond conjecture (1 message, latest: Dec 06 2024 at 12:38)
- ✔ Proving red_diamond_conjecture - finite case (16 messages, latest: Dec 06 2024 at 12:29)
- ✔ help finding right version of lemma a<b => a+1 <= b (11 messages, latest: Dec 06 2024 at 09:56)
- A set of integers "same" as a set of reals (8 messages, latest: Dec 06 2024 at 09:10)
- Where is Float? (7 messages, latest: Dec 06 2024 at 03:07)
- Presheaf categories are cartesian closed. (6 messages, latest: Dec 05 2024 at 21:50)
- How to solve simple algebra problems (12 messages, latest: Dec 05 2024 at 19:48)
- Lean as general purpose language? (24 messages, latest: Dec 05 2024 at 17:43)
- reasoning with the do syntax (1 message, latest: Dec 05 2024 at 17:00)
- Why tactic
decide
cannot solve IsSquare 9 ? (17 messages, latest: Dec 05 2024 at 15:36) - Best way to formalize finite sequences (6 messages, latest: Dec 05 2024 at 14:49)
- what is LT in
LT.lt.not_lt
? (14 messages, latest: Dec 05 2024 at 11:19) - ✔ How to parse similar objects generically? (13 messages, latest: Dec 05 2024 at 11:07)
- Why can't
ring
prove \(x^2 - y^2 = (x+y) (x-y)\)? (27 messages, latest: Dec 05 2024 at 10:56) - ✔ developed lean proof but can't see all hypothesed used (4 messages, latest: Dec 05 2024 at 09:11)
- ideas to formalize non-standard analysis (35 messages, latest: Dec 04 2024 at 22:09)
- ✔ resolving contradiction between hypothesis and goal (12 messages, latest: Dec 04 2024 at 20:02)
- How does one actually construct proofs without using "by"? (48 messages, latest: Dec 04 2024 at 17:05)
- Matrix from dependent type
Vec n α
(4 messages, latest: Dec 04 2024 at 14:35) - Help solving formal logic exercises with Lean (3 messages, latest: Dec 04 2024 at 11:58)
- How to solve m * (m - 1) + m * 2 = m + m ^ 2 for Nat (4 messages, latest: Dec 04 2024 at 09:48)
- Why
erw
doesn't work forfrobenius
? (8 messages, latest: Dec 03 2024 at 18:42) - Sets and Types (4 messages, latest: Dec 03 2024 at 09:37)
- ✔ Error in simple proof (3 messages, latest: Dec 03 2024 at 09:05)
- ✔ Axiomatic formal proofs / How to unify typed formulas? (36 messages, latest: Dec 02 2024 at 23:04)
- ✔ Connection between APM and group of sequences (19 messages, latest: Dec 02 2024 at 21:44)
- ✔ trouble synthesizing using identifier of definition (11 messages, latest: Dec 02 2024 at 18:53)
- Topology on power series (22 messages, latest: Dec 02 2024 at 13:30)
- Hilbert spaces is closed under scalar multiplication (14 messages, latest: Dec 02 2024 at 12:59)
- Jordan curve theorem statement etc… (first steps) (29 messages, latest: Dec 02 2024 at 09:07)
- Decidable prop in hypothesis (5 messages, latest: Dec 02 2024 at 08:49)
mul_comm
with partial information (3 messages, latest: Dec 02 2024 at 06:52)- hypotheses of the form A → B → C and A (16 messages, latest: Dec 02 2024 at 00:22)
- ✔ isomorphism between additive group and multiplicative g… (5 messages, latest: Dec 01 2024 at 20:52)
- How prove the example like this (43 messages, latest: Dec 01 2024 at 20:40)
- List Nat versus "List Nat: Type (max o m.2332) ? (18 messages, latest: Dec 01 2024 at 19:36)
- Using (-1) between N and Z (56 messages, latest: Dec 01 2024 at 18:25)
- Help with formalizing recursive definitions from Tao's A1 (19 messages, latest: Dec 01 2024 at 17:10)
- ✔ isomorphism between subgroup of SL(2,F) and Fˣ (9 messages, latest: Dec 01 2024 at 13:08)
- Lean not acknowledging value of term in recursor (2 messages, latest: Dec 01 2024 at 12:20)
- applying a theorem to a hypothesis (9 messages, latest: Dec 01 2024 at 04:00)
- How to unfold/rewrite
bind
as aX.bind
from a monad? (3 messages, latest: Dec 01 2024 at 02:39) - How to improve my proof? (8 messages, latest: Nov 30 2024 at 23:42)
- ✔ can't find an example of a mathlib definition of type ℕ (15 messages, latest: Nov 30 2024 at 22:50)
- Adding exponents of same base (24 messages, latest: Nov 30 2024 at 16:35)
- Continuity means left limit equals right limit (8 messages, latest: Nov 30 2024 at 11:27)
- ✔ Tactic less 'proof ' Sum α β → Sum β α (12 messages, latest: Nov 30 2024 at 10:28)
- ✔ Power of x function and decreasing_by / termination_by (6 messages, latest: Nov 30 2024 at 10:28)
- Set of Nats has minimum (7 messages, latest: Nov 30 2024 at 03:29)
- Supremum mapping? (1 message, latest: Nov 30 2024 at 02:57)
- online study group (8 messages, latest: Nov 29 2024 at 20:37)
- elan update downloads lean twice (8 messages, latest: Nov 29 2024 at 16:31)
- Beginner Projects (35 messages, latest: Nov 29 2024 at 13:29)
- ✔ Derivatives of equal functions (on an open set) are equal? (22 messages, latest: Nov 29 2024 at 12:18)
- Codes correcting single-deletion (1 message, latest: Nov 29 2024 at 02:42)
- showing termination with pattern matching (6 messages, latest: Nov 28 2024 at 20:31)
- ✔ Formalizing infinite descent arguments (28 messages, latest: Nov 28 2024 at 17:23)
- Provide divisors of number to prove it's prime (15 messages, latest: Nov 28 2024 at 12:51)
- Puzzle proving using rewrites (37 messages, latest: Nov 28 2024 at 08:25)
- ✔ Proof using properties of Z (4 messages, latest: Nov 28 2024 at 05:01)
- ✔ Error messages when running examples 3.3.1 & 3.3.3 (4 messages, latest: Nov 28 2024 at 02:11)
- Tactic Index? (9 messages, latest: Nov 28 2024 at 02:02)
- Buiding a Coding Theory Library (248 messages, latest: Nov 27 2024 at 23:09)
- Writing a Fintype instance (22 messages, latest: Nov 27 2024 at 21:56)
- Tips on looking up theorems… (20 messages, latest: Nov 27 2024 at 17:50)
- ✔ Why does rfl fail? (6 messages, latest: Nov 27 2024 at 15:32)
- ✔ constructor <;> linarith applied recursively (14 messages, latest: Nov 27 2024 at 12:19)
- Help installing Lean using glean (7 messages, latest: Nov 27 2024 at 04:21)
- ✔ Calc tactic in example M1F_Sheet1_Q1a_is_F (6 messages, latest: Nov 26 2024 at 20:50)
- are ℕ and
Prop
things in Lean or Mathlib? (7 messages, latest: Nov 26 2024 at 20:10) - Mapping from subtype of finsets to finset of subtypes (8 messages, latest: Nov 26 2024 at 16:30)
- 3 proofs from Mathematics in Lean (13 messages, latest: Nov 26 2024 at 15:46)
- How to perform induction over two steps back (10 messages, latest: Nov 26 2024 at 12:56)
- Manually prove left identity
pure
of Monad Option (5 messages, latest: Nov 26 2024 at 09:45) - Rewriting/simplifying through Fin (12 messages, latest: Nov 26 2024 at 08:42)
- Has anyone published/written a \Z, \Q or \R game? (57 messages, latest: Nov 25 2024 at 23:00)
- prove a theorem (7 messages, latest: Nov 25 2024 at 16:31)
- Lean on Nix / NixOS still supported? (3 messages, latest: Nov 25 2024 at 13:42)
- Replicate builtin do syntax (7 messages, latest: Nov 25 2024 at 09:51)
- ✔ Partial rewrite on variable but not all (24 messages, latest: Nov 25 2024 at 00:30)
- ✔ Missing undergrad math (Algebra over a ring) (8 messages, latest: Nov 25 2024 at 00:21)
- naming variables in pen-paper maths proofs (14 messages, latest: Nov 24 2024 at 23:10)
- ✔ explicitly write argument when applying a function (7 messages, latest: Nov 24 2024 at 21:47)
- Reducing code in hypothesis (7 messages, latest: Nov 24 2024 at 19:57)
- ✔ Feedback on derivatives of piecewise Inverse functions (4 messages, latest: Nov 24 2024 at 17:59)
- ✔ 5 is not a factor of 12 problem. (12 messages, latest: Nov 23 2024 at 23:28)
- ✔ interpreting
Prop
indef
(32 messages, latest: Nov 23 2024 at 20:00) .mpr
vs←
when invoking lemmas (10 messages, latest: Nov 23 2024 at 19:38)- definitions are not proved - risks? (inconsistency) (5 messages, latest: Nov 23 2024 at 19:17)
- Rewrite in Existential Membership (4 messages, latest: Nov 23 2024 at 16:36)
- ✔ Asking for help to prove determinant property (10 messages, latest: Nov 23 2024 at 08:02)
- ✔ Intro-exact, intro-obtain-exact (9 messages, latest: Nov 23 2024 at 01:14)
- What is this weird error? (16 messages, latest: Nov 22 2024 at 22:52)
- reading suggestion to what dependent type theory is? (7 messages, latest: Nov 22 2024 at 18:57)
- Recurrence proofs from The Mechanics (6 messages, latest: Nov 22 2024 at 17:57)
- ✔ Showing a type is finite? (4 messages, latest: Nov 22 2024 at 15:39)
- ✔ Termination of recursive proof on lists of same length? (4 messages, latest: Nov 22 2024 at 15:36)
- The Mechanics Of Proof - induction (9 messages, latest: Nov 22 2024 at 12:31)
- tooling to update a project's toolchain? (6 messages, latest: Nov 22 2024 at 08:14)
- Sum over range (6 messages, latest: Nov 22 2024 at 06:21)
- Where to put the Lean Blueprint (3 messages, latest: Nov 22 2024 at 01:11)
- Generalize proof of equality over given FinVec (23 messages, latest: Nov 21 2024 at 20:40)
- How to "step in"/unfold a function defined as a match? (4 messages, latest: Nov 21 2024 at 18:32)
- 2 more proofs from The Mechanics (1 message, latest: Nov 21 2024 at 17:53)
- Instance of Coe giving an error I don't understand (5 messages, latest: Nov 21 2024 at 15:01)
- do appears suddenly / List.ReduceOption_min_eq_min_join (4 messages, latest: Nov 21 2024 at 15:00)
- How to Formalize Integral Substitution in Lean 4? (3 messages, latest: Nov 21 2024 at 14:27)
- BitVector decide and networks (2 messages, latest: Nov 21 2024 at 13:32)
- ✔ The book after The Mechanics (5 messages, latest: Nov 21 2024 at 10:54)
- ✔ mixing induction and recursion in one proof (4 messages, latest: Nov 21 2024 at 10:03)
- 4 proofs from The Mechanics (6 messages, latest: Nov 21 2024 at 09:30)
- How do I define a sublattice/subposet? (4 messages, latest: Nov 21 2024 at 09:24)
obtain
tactic on inductive family (6 messages, latest: Nov 21 2024 at 09:00)- is this a correct summary of how to create libraries ? (10 messages, latest: Nov 20 2024 at 23:10)
- Steps to take to replace StateT with StateRefT (18 messages, latest: Nov 20 2024 at 20:41)
- ✔ Problem with simple proof (2 messages, latest: Nov 20 2024 at 18:14)
- ✔ Making synthetizing Decidable easier (27 messages, latest: Nov 20 2024 at 17:35)
- ✔ Extensionality for complex numbers (8 messages, latest: Nov 20 2024 at 16:06)
- ✔ Two ZMOD proofs from The Mechanics (4 messages, latest: Nov 20 2024 at 14:36)
- Access the fact patterns overlap in induction (2 messages, latest: Nov 20 2024 at 10:39)
- why does this array/list pattern match fail? (25 messages, latest: Nov 19 2024 at 20:55)
- ✔ Numerical operations solved by decide & debug info (6 messages, latest: Nov 19 2024 at 18:15)
- ✔ splitting a sum (4 messages, latest: Nov 19 2024 at 15:32)
- ✔ How to prove 0 is not local extreme point of
sin x - x
? (8 messages, latest: Nov 19 2024 at 15:30) - ✔ What's the difference between x == y and x.beq y ? (4 messages, latest: Nov 19 2024 at 13:57)
- ✔ Pythagorean Theorem with rw/norm_add_sq_real (6 messages, latest: Nov 19 2024 at 13:07)
- ✔ Optimization of parity and divisibility proofs (9 messages, latest: Nov 19 2024 at 12:15)
- generalize only one occurrence (18 messages, latest: Nov 19 2024 at 10:25)
- Allowing Calc for lean game server to use? (11 messages, latest: Nov 18 2024 at 23:00)
- proof irrelevance vs computation irelavance (2 messages, latest: Nov 18 2024 at 20:49)
- Introduction: James Usevitch (4 messages, latest: Nov 18 2024 at 20:42)
- ✔ Logarithmic Functions (10 messages, latest: Nov 18 2024 at 18:56)
- ✔ Simplifying the set/hypothesis - linarith network - exact (5 messages, latest: Nov 18 2024 at 17:00)
- simple one (8 messages, latest: Nov 18 2024 at 15:56)
- elaboration, inferType, mkExists (11 messages, latest: Nov 18 2024 at 15:53)
- Make rel justify a substitution defined by many constraints (2 messages, latest: Nov 18 2024 at 15:46)
- Stuck on lean book example (22 messages, latest: Nov 18 2024 at 02:28)
- ✔ Help with Proof containing round (7 messages, latest: Nov 18 2024 at 01:04)
- forwards maths and backwards lean proofs (2 messages, latest: Nov 17 2024 at 18:54)
- Constructing and Proving Properties of Arrays (1 message, latest: Nov 17 2024 at 11:59)
- List of all attributes with explanations (4 messages, latest: Nov 17 2024 at 08:56)
- ✔ Some manipulations of sums - can one simplify the proof? (3 messages, latest: Nov 17 2024 at 08:19)
- Existence proofs (2 messages, latest: Nov 17 2024 at 02:06)
- Nat.ble ??? (32 messages, latest: Nov 17 2024 at 01:30)
- Confusion about "forgetful inheritance" (10 messages, latest: Nov 16 2024 at 22:03)
- ✔ Obtain + ne_of_lt with + linarith-nlinarith combo (8 messages, latest: Nov 16 2024 at 20:51)
- Aesop proofs and z3 (1 message, latest: Nov 16 2024 at 20:43)
- How to optimize this proof (6 messages, latest: Nov 16 2024 at 20:26)
- ✔ Better way of breaking down into cases (23 messages, latest: Nov 16 2024 at 20:07)
- ✔ (terminology) why there's no natural number between 3 a… (17 messages, latest: Nov 16 2024 at 18:00)
- metaprogramming in Lean (3 messages, latest: Nov 16 2024 at 16:36)
- ✔ recursive definition of determinant (for real matrices) (7 messages, latest: Nov 16 2024 at 15:04)
- ✔ How to prove equality of two real number matrices? (7 messages, latest: Nov 16 2024 at 12:07)
- Equivalent of String.toNat? for Float and Int? (3 messages, latest: Nov 16 2024 at 06:55)
- Force explicit brackets in VS Code? (90 messages, latest: Nov 16 2024 at 01:19)
- Beginner formalizing group actions (107 messages, latest: Nov 15 2024 at 20:41)
- Termination of a sorting function (1 message, latest: Nov 15 2024 at 16:09)
- local notation (6 messages, latest: Nov 15 2024 at 15:30)
- hide things (7 messages, latest: Nov 15 2024 at 14:41)
- ✔ linarith do not recognize PNat (7 messages, latest: Nov 15 2024 at 14:40)
- Iterating over indexed types (7 messages, latest: Nov 15 2024 at 12:13)
- Termination proof of mutual rec functions (12 messages, latest: Nov 15 2024 at 06:57)
- ✔ Tactics / Filters for Solving Inequalities (5 messages, latest: Nov 15 2024 at 06:35)
- ✔ Disabling bounded (or restricted?) quantifiers (18 messages, latest: Nov 14 2024 at 19:56)
- Solver tactic and general-purpose problem descriptor (3 messages, latest: Nov 14 2024 at 17:23)
- ✔ Kernel vs high-level features (5 messages, latest: Nov 14 2024 at 17:14)
- ✔ Derivative of Function \(\mathbb{R}^n -> M ->\)\mathbb… (16 messages, latest: Nov 14 2024 at 15:26)
- ✔ Is this provable? (40 messages, latest: Nov 14 2024 at 14:21)
- ✔ Two inequalities- a better way to do it? (8 messages, latest: Nov 14 2024 at 13:48)
- How to proof Summable? (3 messages, latest: Nov 14 2024 at 13:09)
- ✔ Possible Venues for Results (4 messages, latest: Nov 14 2024 at 12:32)
- ✔ generate sequence from map
List A → A
. fails to termi… (5 messages, latest: Nov 14 2024 at 09:58) match m
not replacingm
in the context (13 messages, latest: Nov 14 2024 at 09:40)- Is there code to substitute values into a hypothesis? (8 messages, latest: Nov 14 2024 at 09:40)
- ✔ Backward compatibility & automated upgrade (13 messages, latest: Nov 14 2024 at 09:25)
- Int version of Nat.succ_le ? (12 messages, latest: Nov 14 2024 at 08:29)
- Problems with MvPolynomial evaluation (21 messages, latest: Nov 14 2024 at 08:23)
- Infinite sums and documentation (6 messages, latest: Nov 13 2024 at 20:47)
- ✔ brackets () vs {} for lemma variables (4 messages, latest: Nov 13 2024 at 19:53)
- proving union of sets is equal to \N (7 messages, latest: Nov 13 2024 at 17:50)
- iSup syntax (9 messages, latest: Nov 13 2024 at 16:14)
- Unreachable code (3 messages, latest: Nov 13 2024 at 16:01)
- attribute [local simp] Decidable.imp_iff_not_or (5 messages, latest: Nov 13 2024 at 15:46)
- ✔ directions for rw tactic needed for iff but not = (14 messages, latest: Nov 13 2024 at 15:27)
- ✔ Monadic structure of PMFs and do syntax (10 messages, latest: Nov 13 2024 at 13:38)
- How to work with outParams (2 messages, latest: Nov 13 2024 at 07:13)
- Constructor distintion (34 messages, latest: Nov 13 2024 at 07:10)
- ✔ Question on defining circular order structure on Fin n (4 messages, latest: Nov 13 2024 at 03:56)
- Termination failure on FPIL Sect. 9 exercise (3 messages, latest: Nov 13 2024 at 01:38)
- ✔ Dependent Type Class Synthesis (8 messages, latest: Nov 13 2024 at 01:03)
- ✔ RH formalization compatible with Lean 4 / Mathlib 4 (13 messages, latest: Nov 12 2024 at 21:34)
- Notation for sums (misunderstood?) (7 messages, latest: Nov 12 2024 at 15:02)
- ✔ Adaptive partitioning experiment (4 messages, latest: Nov 12 2024 at 12:34)
- If p has more than two divisors, then p is not prime. (6 messages, latest: Nov 12 2024 at 10:37)
- Access parent goal (8 messages, latest: Nov 12 2024 at 08:51)
- Number theory proof (16 messages, latest: Nov 12 2024 at 08:02)
- Lean in practice and "sorry" (2 messages, latest: Nov 12 2024 at 00:18)
- ✔ push_neg - use - decide line (8 messages, latest: Nov 11 2024 at 22:48)
- does lean use the proof of a lemma when applying it? (9 messages, latest: Nov 11 2024 at 20:42)
- 3k+1 experiment - plugin for maps / feature (31 messages, latest: Nov 11 2024 at 19:35)
- ✔ good behaviour re namespaces and lemma names (5 messages, latest: Nov 11 2024 at 19:33)
- ✔ avoiding division with naturals? (7 messages, latest: Nov 11 2024 at 19:33)
- "1 + 2 + .. n" in lean? (6 messages, latest: Nov 11 2024 at 19:23)
- ✔ Defining a specific object in a limit cone (7 messages, latest: Nov 11 2024 at 18:40)
- ✔ Show a termination for recursion (15 messages, latest: Nov 11 2024 at 11:49)
- proof finishes too soon? (39 messages, latest: Nov 11 2024 at 09:13)
- ✔ Proofs inside monads (9 messages, latest: Nov 10 2024 at 16:24)
- Answers to exercises in Theorem Proving in lean 4 (10 messages, latest: Nov 10 2024 at 12:04)
- Pulling Subtype.val inside a for-Loop (3 messages, latest: Nov 10 2024 at 08:31)
- Confusion with
outParam
(3 messages, latest: Nov 09 2024 at 18:19) - ✔ Proving simple lemma about recursive definition (6 messages, latest: Nov 09 2024 at 02:30)
- ✔ reading a lemma signature "LinearOrder α" (5 messages, latest: Nov 08 2024 at 22:48)
- ✔ The Union of subgroups (34 messages, latest: Nov 08 2024 at 19:31)
- ✔ Why does leanprover/lean4:stable give me Lean 4.5.0? (20 messages, latest: Nov 08 2024 at 16:10)
- diagram showing application of lemma to goal/hypothesis (1 message, latest: Nov 08 2024 at 15:44)
- ✔ creating our own lemma - keyword lemma vs theorem (3 messages, latest: Nov 08 2024 at 14:16)
- Set.Finite and Finset (7 messages, latest: Nov 08 2024 at 12:24)
- ✔ Problems with Summable and HasSum (18 messages, latest: Nov 08 2024 at 09:22)
- Function not equal to itself (9 messages, latest: Nov 08 2024 at 07:22)
- ✔ Term proof of (a b c : ℝ) : a * b * c = b * (a * c) (4 messages, latest: Nov 08 2024 at 06:35)
- ✔ confusing messages in Infoview (5 messages, latest: Nov 07 2024 at 20:59)
- ✔ termination of function: advice on tactics? (5 messages, latest: Nov 07 2024 at 18:26)
- Is "choice ⟨1⟩" equal to "1"? (4 messages, latest: Nov 07 2024 at 09:52)
- ✔ correct terminology regarding <=> (15 messages, latest: Nov 07 2024 at 00:06)
- cardinality proofs with lean/mathlib (8 messages, latest: Nov 06 2024 at 20:42)
- the logic of "unique exists" (28 messages, latest: Nov 06 2024 at 14:43)
- ✔ Unsolved Goals (4 messages, latest: Nov 06 2024 at 14:06)
- ✔ How does 'Prop' check its type? (15 messages, latest: Nov 06 2024 at 12:10)
- ✔ Variables disappear when not mentioned in theorem state… (7 messages, latest: Nov 06 2024 at 07:58)
- Vampire proof to cleaner proof (6 messages, latest: Nov 06 2024 at 05:25)
- ✔ Lemma le_or_succ_le (9 messages, latest: Nov 05 2024 at 21:27)
- ✔ Rewriting a lambda base simple rewrite proof using have (13 messages, latest: Nov 05 2024 at 20:58)
- ✔ conv/enter into argument of a function? (18 messages, latest: Nov 05 2024 at 19:53)
- Analysis of Boolean functions, Arrow's theorem (8 messages, latest: Nov 05 2024 at 17:56)
- omega failed in simple case (4 messages, latest: Nov 05 2024 at 16:58)
- Mathematics in Lean help with problem (14 messages, latest: Nov 05 2024 at 15:54)
cancel
but in plain lean (5 messages, latest: Nov 05 2024 at 15:47)- ✔ stuck - need something like disjunctive interval_cases? (29 messages, latest: Nov 05 2024 at 15:36)
- ✔ induction
n
withn = 0
in hypothesis in case zero (12 messages, latest: Nov 05 2024 at 10:31) - Syntax for "follows distribution" (4 messages, latest: Nov 05 2024 at 10:05)
- How to do 1 + 1 = 2 (78 messages, latest: Nov 05 2024 at 09:57)
- How to work with a specific Mathlib commit (6 messages, latest: Nov 05 2024 at 08:12)
- Sets vs Structures (7 messages, latest: Nov 05 2024 at 03:08)
- can't seem to specialise a universally quantified hypothesis (16 messages, latest: Nov 04 2024 at 20:35)
- ✔ Converting the antecedant of a hypthesis into a goal (3 messages, latest: Nov 04 2024 at 19:26)
- dependent match elimination failed, inaccessible pattern (1 message, latest: Nov 04 2024 at 11:41)
- ✔ Encountering errors following TPIL (6 messages, latest: Nov 04 2024 at 06:01)
- ✔ there always a "By" in the autocompletion of my vscode (7 messages, latest: Nov 03 2024 at 16:22)
- Why do I have duplicate toolchains? (5 messages, latest: Nov 03 2024 at 09:00)
- Hey guys (2 messages, latest: Nov 03 2024 at 06:51)
- Looking for group projects (8 messages, latest: Nov 03 2024 at 01:09)
- divisibility - stuck on beginner problem (10 messages, latest: Nov 02 2024 at 15:53)
- Formalizing strategy problems (18 messages, latest: Nov 02 2024 at 14:25)
- Fourier transforms of (higher order) Hermite functions (7 messages, latest: Nov 02 2024 at 08:52)
- ✔ Error Running Code from "Theorem Proving in Lean 4" (4 messages, latest: Nov 01 2024 at 22:44)
- ✔ Baffling error message (14 messages, latest: Nov 01 2024 at 18:22)
- ✔ Where can I use TypeStar? (6 messages, latest: Nov 01 2024 at 17:39)
- VSCode folding of
section
/namespace
(1 message, latest: Nov 01 2024 at 15:40) - formalizing topology games in a library depending on mathlib (5 messages, latest: Nov 01 2024 at 14:12)
- three beginner's questions on
dsimp
(6 messages, latest: Nov 01 2024 at 13:57) - who can help me formalize this solution (16 messages, latest: Nov 01 2024 at 13:44)
- mod (34 messages, latest: Nov 01 2024 at 13:40)
- How to fix "(kernel) deep recursion detected" (6 messages, latest: Nov 01 2024 at 13:27)
- List of theorems (8 messages, latest: Nov 01 2024 at 01:51)
- invalid occurrence of universe level 'u_1' (24 messages, latest: Nov 01 2024 at 01:08)
- strange notation: P → Q → R (12 messages, latest: Oct 31 2024 at 23:38)
- ✔ how to apply lemma that requires two hypotheses? (4 messages, latest: Oct 31 2024 at 22:58)
- ✔ general pattern for proving an implication (10 messages, latest: Oct 31 2024 at 19:36)
- regarding "let" (11 messages, latest: Oct 31 2024 at 17:22)
- Any powerful tactics I should know about besides
omega
? (14 messages, latest: Oct 31 2024 at 16:56) - VSCode: add cursors at semantic matches (2 messages, latest: Oct 31 2024 at 16:00)
- Can't rewrite with integral_ofReal (5 messages, latest: Oct 31 2024 at 15:55)
- How to express (-1)^n? (24 messages, latest: Oct 31 2024 at 11:30)
- Trying to formulate Goodstein's sequence (21 messages, latest: Oct 31 2024 at 05:00)
- [Design advice] auxiliary data representation in theorems (1 message, latest: Oct 31 2024 at 01:17)
- Summation over finite integer ranges (7 messages, latest: Oct 31 2024 at 00:16)
- Rewrite hypothesis to
True
/negation of hypothesis to `Fals (4 messages, latest: Oct 31 2024 at 00:14) - ✔ Universe Restriction on CategoryTheory.Category (4 messages, latest: Oct 30 2024 at 23:26)
- slimcheck with definitions that contain quantifiers (7 messages, latest: Oct 30 2024 at 19:13)
- Cannot install LEAN4 (13 messages, latest: Oct 30 2024 at 17:48)
- why \| is unexpected (12 messages, latest: Oct 30 2024 at 17:34)
- Reverse unfold (10 messages, latest: Oct 30 2024 at 17:16)
- number (7 messages, latest: Oct 30 2024 at 15:27)
- Is there a theorem about
k > 0 -> n < m -> n^k < m^k
? (43 messages, latest: Oct 30 2024 at 07:17) - TPIL4: Propositions as types (26 messages, latest: Oct 30 2024 at 06:48)
- eqToHom and pullback (13 messages, latest: Oct 30 2024 at 01:33)
- Tactic for differentiation (12 messages, latest: Oct 29 2024 at 23:04)
- Tactics/methods to do simple algebraic transformations (7 messages, latest: Oct 29 2024 at 22:20)
- ✔ Accessing constructor lemmas (5 messages, latest: Oct 29 2024 at 21:51)
- Applying only one side of a conjuction (10 messages, latest: Oct 29 2024 at 21:15)
- What does it mean for a structure/class to be of type Prop? (18 messages, latest: Oct 29 2024 at 20:42)
- Group Hierarchy and Type Classes (2 messages, latest: Oct 29 2024 at 19:24)
- Defining Group Structure question (20 messages, latest: Oct 29 2024 at 17:35)
- ✔ Where do I find an instance? (6 messages, latest: Oct 29 2024 at 16:50)
- Topoi in Mathlib (94 messages, latest: Oct 29 2024 at 15:51)
- ✔ How to simplify proof by evaluating function (8 messages, latest: Oct 29 2024 at 15:12)
- Always implies eventually (2 messages, latest: Oct 29 2024 at 14:46)
- RCLike.ofReal and smul (9 messages, latest: Oct 29 2024 at 14:40)
- inductive reasoning & reference counting (1 message, latest: Oct 29 2024 at 13:51)
- Cases for impossible values by hypothesis (3 messages, latest: Oct 29 2024 at 08:44)
- Proving trivial identities under expectation (2 messages, latest: Oct 29 2024 at 01:35)
- feedback on two very similar (beginner) proofs (10 messages, latest: Oct 28 2024 at 22:52)
- Abstracting away conversions to Real (4 messages, latest: Oct 28 2024 at 22:51)
- Tactic for solving simple inequalities? (11 messages, latest: Oct 28 2024 at 22:36)
- ✔ Struggling with dependent elimination (3 messages, latest: Oct 28 2024 at 18:38)
- ✔ More idiomatic/ergonomic way to define
Fin N
literals? (9 messages, latest: Oct 28 2024 at 18:07) - Operator for Bitwise-Not (3 messages, latest: Oct 28 2024 at 18:06)
- ✔ Please help me understand this syntax error (6 messages, latest: Oct 28 2024 at 17:46)
- how to annotate type in
instance : Functor ...
(15 messages, latest: Oct 28 2024 at 16:19) - Strugling with coercion of dependent types and Vectors (8 messages, latest: Oct 28 2024 at 16:09)
- "newtype" automation (3 messages, latest: Oct 28 2024 at 15:48)
- In what sense is Option.or strict in the second argument? (5 messages, latest: Oct 28 2024 at 14:59)
- ✔ not_1055 for beginners (13 messages, latest: Oct 28 2024 at 13:34)
- ✔ Using linearIndependent_pair and extending to 3 LI vectors (4 messages, latest: Oct 28 2024 at 11:09)
- where to ask for code error? (9 messages, latest: Oct 28 2024 at 08:13)
- ✔ how to search implementations and instances? (11 messages, latest: Oct 28 2024 at 07:27)
- Tutorial for custom recursors/eliminators/inductors (16 messages, latest: Oct 28 2024 at 01:27)
- how to apply a lemma to a hypothesis (20 messages, latest: Oct 28 2024 at 00:21)
- ✔ Unfolding typeclassed definitions (4 messages, latest: Oct 27 2024 at 23:50)
- Can't calc with expectations (11 messages, latest: Oct 27 2024 at 21:01)
- Why can simp only make progress? (6 messages, latest: Oct 27 2024 at 20:15)
- ✔ Forall and finite sets (15 messages, latest: Oct 27 2024 at 19:53)
- ✔
match h: thing
produces HEq with a type family (15 messages, latest: Oct 27 2024 at 18:02) - Proving continuity of elementary functions (6 messages, latest: Oct 27 2024 at 17:52)
- ✔ supposedly different behavior with similar code (21 messages, latest: Oct 27 2024 at 16:50)
- linarith failed to find a contradiction (28 messages, latest: Oct 27 2024 at 13:35)
parameter
in Lean 4? (20 messages, latest: Oct 27 2024 at 11:22)- logic (27 messages, latest: Oct 27 2024 at 11:06)
- Problem with custom infix syntax (5 messages, latest: Oct 27 2024 at 07:20)
- ✔ maths: ring and subtraction, and why tactic
ring
fails (8 messages, latest: Oct 27 2024 at 02:03) - ✔ Strange type mismatch error with type classes (5 messages, latest: Oct 26 2024 at 17:27)
apply
under multiple implications (2 messages, latest: Oct 26 2024 at 16:57)- propositon (8 messages, latest: Oct 26 2024 at 13:28)
- ✔ Finite ordered choice (3 messages, latest: Oct 26 2024 at 12:49)
- Constructor elimination under HEq (11 messages, latest: Oct 26 2024 at 02:25)
- Lean not reducing/evaluating function returning type (5 messages, latest: Oct 25 2024 at 22:51)
- "apply?" crashes server (2 messages, latest: Oct 25 2024 at 22:48)
- can't seem to
rw
bidirectional lemma in both directions (31 messages, latest: Oct 25 2024 at 21:14) - ✔ Use left and right. (11 messages, latest: Oct 25 2024 at 18:10)
- Rational functions are continuous in its domain (1 message, latest: Oct 25 2024 at 17:06)
- transvection matrix is instance of GL(n, R) (8 messages, latest: Oct 25 2024 at 16:46)
- PR - updated mathlib wrong and have 700 commits from others (5 messages, latest: Oct 25 2024 at 16:38)
- ✔ Why do both
neg_one_mul
andneg_eq_neg_one_mul
exist? (4 messages, latest: Oct 25 2024 at 14:58) - ✔ Tangent vector to sphere is unit vector times value in … (11 messages, latest: Oct 25 2024 at 08:19)
- ✔ Lean's Bare Syntax (5 messages, latest: Oct 25 2024 at 07:50)
- subtlety of field_simp, adding parenthesis can break it (2 messages, latest: Oct 24 2024 at 22:40)
- does lemma in
rw\[lemma\]
need to be = or iff only? (26 messages, latest: Oct 24 2024 at 20:32) - Why return type of partial function MUST
inhabited
? (34 messages, latest: Oct 24 2024 at 19:03) - Specifying typeclasses for 'obvious' cases (10 messages, latest: Oct 24 2024 at 17:44)
- unfold does not work on simple inductive definition (5 messages, latest: Oct 24 2024 at 16:48)
- prop2 (6 messages, latest: Oct 24 2024 at 12:19)
- prop (4 messages, latest: Oct 24 2024 at 10:21)
- field_simp for Fin structures (7 messages, latest: Oct 24 2024 at 01:21)
- Help with "(kernel) function expected" (23 messages, latest: Oct 23 2024 at 23:54)
- Summable, and multiple instance parameters (5 messages, latest: Oct 23 2024 at 18:53)
- The Novice vs Indexed Types in Lean: A Short Story (64 messages, latest: Oct 23 2024 at 18:40)
- ✔ Split an "and" type hypothesis (11 messages, latest: Oct 23 2024 at 18:10)
- Unknown identifier in NNG Multiplication World 3/9 (14 messages, latest: Oct 23 2024 at 17:35)
- Supremum norm of continuous functions over compact sets (11 messages, latest: Oct 23 2024 at 14:24)
- Taxonomy (42 messages, latest: Oct 23 2024 at 08:38)
- Pattern matching help (19 messages, latest: Oct 23 2024 at 06:20)
- macro hangs in NNG (11 messages, latest: Oct 22 2024 at 20:58)
- PR : lint style not finding file (53 messages, latest: Oct 22 2024 at 15:43)
- rintro tactic (2 messages, latest: Oct 22 2024 at 08:47)
- ✔ Summing over Bools (25 messages, latest: Oct 22 2024 at 08:28)
- Simple algebra proof (10 messages, latest: Oct 22 2024 at 08:27)
- terminology : statement vs proposition (74 messages, latest: Oct 22 2024 at 08:06)
- Unit vector in tangentspace (8 messages, latest: Oct 22 2024 at 07:46)
- ✔ Lean4 lint driver (5 messages, latest: Oct 22 2024 at 06:41)
- ✔ Help with Induction Proof Starting from a Non-Zero Base… (4 messages, latest: Oct 22 2024 at 01:21)
- ✔ Proof using mul_eq_zero. (12 messages, latest: Oct 21 2024 at 23:56)
- ✔ do lemmas applied to the current goal always change t… (10 messages, latest: Oct 21 2024 at 20:17)
- recursive (19 messages, latest: Oct 21 2024 at 19:49)
- limits (2 messages, latest: Oct 21 2024 at 11:40)
- simple (10 messages, latest: Oct 21 2024 at 11:39)
- ✔ TPIL book newbie question (4 messages, latest: Oct 21 2024 at 09:01)
- a+b -c = a + (b-c) in N (7 messages, latest: Oct 21 2024 at 06:19)
- ✔ failed to synthesize HDiv ℕ ℕ J (7 messages, latest: Oct 21 2024 at 00:41)
- How to uninstall Lean to reinstall? (6 messages, latest: Oct 20 2024 at 16:13)
- ✔ different behavior with and without Nat. prefixing (13 messages, latest: Oct 20 2024 at 14:55)
- ✔ Explicit instanciation of Finite Or Fintype (7 messages, latest: Oct 20 2024 at 11:26)
- Faster Way to prove all possible elements in a set (14 messages, latest: Oct 20 2024 at 11:18)
- Trouble with a String Matching Function (14 messages, latest: Oct 20 2024 at 11:17)
- ✔ Command for
unit test
? (4 messages, latest: Oct 20 2024 at 11:01) - question about binomial coefficients (11 messages, latest: Oct 20 2024 at 07:40)
- Lean, sunflowers, and circuits (6 messages, latest: Oct 20 2024 at 07:29)
- Coercion of SetLike-valued functions to Set-valued functions (1 message, latest: Oct 20 2024 at 05:49)
- ✔ Evaluating expression with for all (4 messages, latest: Oct 19 2024 at 18:27)
- How to decide prime without
Classical.choice
(36 messages, latest: Oct 19 2024 at 17:21) - Maximal submodule (9 messages, latest: Oct 19 2024 at 10:03)
- formalizable area? (3 messages, latest: Oct 19 2024 at 01:18)
- Excercise solutions for "Functional Programming in Lean" (5 messages, latest: Oct 18 2024 at 23:14)
- ✔ Calling convex_closedBall (14 messages, latest: Oct 18 2024 at 23:05)
- Unable to update Lean4 (13 messages, latest: Oct 18 2024 at 23:05)
- Type-theoretic way of dealing with types being finite? (1 message, latest: Oct 18 2024 at 23:01)
- ✔ Are parametric type constructors injective? (14 messages, latest: Oct 18 2024 at 20:37)
- Heterogeneous equality with coercion (5 messages, latest: Oct 18 2024 at 18:40)
- Conflicting imports (11 messages, latest: Oct 18 2024 at 15:56)
- sqrt{25} = 5 ? (26 messages, latest: Oct 18 2024 at 08:46)
- Import Mathlib not working as Expected (6 messages, latest: Oct 18 2024 at 07:38)
- Proof of simple inequality (2 messages, latest: Oct 18 2024 at 06:15)
- functor category (2 messages, latest: Oct 18 2024 at 05:53)
- prolog-like search? (6 messages, latest: Oct 18 2024 at 03:31)
- Import Mathlib not Working as Expected (10 messages, latest: Oct 18 2024 at 01:51)
- ✔ Nat number game add theroem as hypothesis (7 messages, latest: Oct 17 2024 at 21:24)
- Flipping an equality (10 messages, latest: Oct 17 2024 at 19:28)
- ✔ rewriting and recursive definition (10 messages, latest: Oct 17 2024 at 19:25)
- ✔ Creating an 'inline' / throwaway hypothesis (4 messages, latest: Oct 17 2024 at 18:54)
- ✔ match doesn't add an equation (7 messages, latest: Oct 17 2024 at 17:57)
- How to evaluate a function at a given point (4 messages, latest: Oct 17 2024 at 14:30)
- ✔ import Mathlib or Mathlib.Tactic for beginner tutorials (6 messages, latest: Oct 17 2024 at 14:00)
- Help with
example (a b : ℕ) (h : a ≥ b) : b = a - (a - b)
(4 messages, latest: Oct 17 2024 at 13:57) - ✔ code review - prove n^2+n is even (36 messages, latest: Oct 17 2024 at 12:53)
- Lebesgue Measure on Unit Interval (18 messages, latest: Oct 17 2024 at 10:15)
- How to get the proof of not equal to previous terms in match (9 messages, latest: Oct 17 2024 at 10:13)
- Prime vs Nat.Prime and not_prime_mul (23 messages, latest: Oct 17 2024 at 07:44)
- [why is Even r+r, not 2r](topic/why.20is.20Even.20r.2Br.2C.20not.202r.html) (11 messages, latest: Oct 17 2024 at 04:26)
- ✔ Constructing new
LinearOrder
from a given one by moving (8 messages, latest: Oct 17 2024 at 03:41) - how to alias something? (3 messages, latest: Oct 16 2024 at 19:14)
- duality between gradient and directional derivative (6 messages, latest: Oct 16 2024 at 19:01)
- How to apply a tactic to the LHS of an equation (3 messages, latest: Oct 16 2024 at 16:03)
- help (94 messages, latest: Oct 16 2024 at 15:22)
- Question on Seq (1 message, latest: Oct 16 2024 at 15:01)
- ✔ how to a hypothesis that is an existence statement (3 messages, latest: Oct 16 2024 at 14:54)
ring
andsimp
tactics not working (12 messages, latest: Oct 16 2024 at 10:47)- ✔ "Functional Programming in Lean" do Notation odd behavior (5 messages, latest: Oct 16 2024 at 07:58)
- Struggle in writing LEAN proof for Nesbitt's Inequality (5 messages, latest: Oct 16 2024 at 02:52)
- ✔ how to expand the sum? (6 messages, latest: Oct 16 2024 at 01:36)
- ✔ Basic cauchy-schwarz proof (6 messages, latest: Oct 16 2024 at 00:06)
- How to close a namespace after it is opened? (8 messages, latest: Oct 16 2024 at 00:04)
- ✔ How to write proof by equivalence? (9 messages, latest: Oct 15 2024 at 20:51)
- ✔ Why there is no
FunLike (R → S)
(11 messages, latest: Oct 15 2024 at 19:02) - Knowing which lemmas were used by simp (3 messages, latest: Oct 15 2024 at 16:47)
- Cached Mathlib doc of different versions (8 messages, latest: Oct 15 2024 at 15:58)
- ✔ Append respects list permutation (7 messages, latest: Oct 15 2024 at 15:53)
- Any articles or references about the implement of
simp
? (7 messages, latest: Oct 15 2024 at 15:52) - ✔ Defining projection from ℝ^2\0 to circle (5 messages, latest: Oct 15 2024 at 15:37)
- ✔ Applying an < hypothesis (7 messages, latest: Oct 15 2024 at 15:12)
- Should "sampling" be non computable? (5 messages, latest: Oct 15 2024 at 14:51)
- ✔ Least Upper Bound, IsLUB and the stubborn set. (4 messages, latest: Oct 15 2024 at 14:49)
- ✔ Synthesizing placeholder question (6 messages, latest: Oct 15 2024 at 13:59)
- type mismatches while using cases with (4 messages, latest: Oct 15 2024 at 13:38)
- ✔ (kernel) declaration has free variables '_eval' (5 messages, latest: Oct 15 2024 at 10:51)
simp
-like tactic for rewriting based on local context (2 messages, latest: Oct 15 2024 at 09:37)- lake exe cache get: "Warning: some files were not found …" (5 messages, latest: Oct 15 2024 at 03:24)
- ✔ "typeclasses" for non-types (6 messages, latest: Oct 15 2024 at 01:52)
Odd (13: ℤ)
- is Odd a "type"? (35 messages, latest: Oct 14 2024 at 22:08)- ✔ Proving
noConfusion
under existential (10 messages, latest: Oct 14 2024 at 21:03) - ✔
exact
for mathlib lemmas, not just local hypotheses? (6 messages, latest: Oct 14 2024 at 20:04) - ✔ what does alpha α do in the definition of
Odd
? (7 messages, latest: Oct 14 2024 at 19:51) - calc (7 messages, latest: Oct 14 2024 at 19:16)
- Confusion about use of "definitional equality" in FPIL (6 messages, latest: Oct 14 2024 at 18:49)
- ✔ √ 2 (6 messages, latest: Oct 14 2024 at 15:16)
- Working with nested intermediate fields (2 messages, latest: Oct 14 2024 at 10:49)
- ✔ Pass as a parameter (11 messages, latest: Oct 14 2024 at 07:30)
- How do I read "Theorem Proving in Lean 4" inside vscode? (15 messages, latest: Oct 14 2024 at 01:42)
- ✔ Set Theory Game: Family Intersection World 6 / 6 (11 messages, latest: Oct 13 2024 at 18:59)
- Little oh for functions whose domain isn't all of ℝ (2 messages, latest: Oct 13 2024 at 18:23)
- Option comparison (5 messages, latest: Oct 13 2024 at 15:40)
- ✔ split
f -> g
(10 messages, latest: Oct 13 2024 at 12:04) - What do I need to import to do basic natural number stuff? (10 messages, latest: Oct 13 2024 at 01:26)
- computing satisfying instance? (3 messages, latest: Oct 12 2024 at 22:57)
- Evan Bailey (self-introduction) (9 messages, latest: Oct 12 2024 at 21:25)
- ✔ two-sided ideal quotient factor (5 messages, latest: Oct 12 2024 at 14:39)
- ✔ Working with inequalities and calc tactic (5 messages, latest: Oct 12 2024 at 14:13)
- ✔ commutative of List in Lean (4 messages, latest: Oct 12 2024 at 06:53)
- A manageable topic for beginners (5 messages, latest: Oct 12 2024 at 05:11)
- ✔ Question about list.reverse (12 messages, latest: Oct 12 2024 at 04:06)
- Question about function syntax (7 messages, latest: Oct 12 2024 at 01:36)
- ✔ Alternative technique for duper tactic? (4 messages, latest: Oct 11 2024 at 20:12)
- ✔ Is the a lemma for (a ↔ b) → (p a ↔ p b)? (5 messages, latest: Oct 11 2024 at 17:32)
- is using Parsec in nightly recommended? (5 messages, latest: Oct 11 2024 at 17:09)
- ✔ Constructing a function from Reals to Circle (10 messages, latest: Oct 11 2024 at 13:31)
- ✔ Slow build after clone (26 messages, latest: Oct 11 2024 at 01:50)
- ✔ How to apply Cauchy Schwarz Inequality (9 messages, latest: Oct 10 2024 at 22:36)
- moving files in mathlib (8 messages, latest: Oct 10 2024 at 19:42)
- Drinker's Paradox in Formaloversum Game (8 messages, latest: Oct 10 2024 at 19:04)
- (Documentation) "Reading" the Mathlib library (7 messages, latest: Oct 10 2024 at 13:01)
- ✔ is it safe to assume mathlib/lean defaults numbers to ℕ (12 messages, latest: Oct 10 2024 at 11:48)
- ✔ basic issues with lean/lake versions: welcome hints (18 messages, latest: Oct 10 2024 at 11:04)
- parentheses in ZMod.mul_inv_of_unit (8 messages, latest: Oct 10 2024 at 08:45)
- Why wrap h ▸ v ? (10 messages, latest: Oct 10 2024 at 07:56)
- Where are instances of ZeroLEOneClass and PosMulMono for ℤ (3 messages, latest: Oct 10 2024 at 00:59)
- ✔ syntax -
Prime (a)
orPrime a
? (4 messages, latest: Oct 09 2024 at 23:13) - ✔ how does mathlib definition of Odd not apply to Reals? (9 messages, latest: Oct 09 2024 at 23:13)
- ✔ Type class instances for mutual inductive types (3 messages, latest: Oct 09 2024 at 22:36)
- ✔ Automatically instantiate underscores in match statements (12 messages, latest: Oct 09 2024 at 21:37)
- ✔ can't seem to import Mathlib.Data.Nat.Prime (14 messages, latest: Oct 09 2024 at 18:22)
- ✔ how to resolve ⊢ ℕ ? (17 messages, latest: Oct 09 2024 at 16:06)
- Defining a formal solution to ImmRel Whitney-Graustein (3 messages, latest: Oct 09 2024 at 10:34)
- Running Code from the terminal (7 messages, latest: Oct 08 2024 at 20:36)
- newline in syntax and macro (9 messages, latest: Oct 08 2024 at 20:07)
- overlapping monoid instances (bad diamond?) (4 messages, latest: Oct 08 2024 at 16:02)
- ✔ different between
apply
andexact
(4 messages, latest: Oct 08 2024 at 13:17) - ✔ round vs curly brackets in theorem header (21 messages, latest: Oct 08 2024 at 10:57)
- LeanVerso BookExamples (13 messages, latest: Oct 08 2024 at 09:40)
- Questions about "computable" definitions (2 messages, latest: Oct 08 2024 at 05:59)
- Writing a book about Lean (7 messages, latest: Oct 07 2024 at 20:06)
- ✔ Sign of function implies sign of derivative at a zero (23 messages, latest: Oct 07 2024 at 18:37)
- Questions about my first lemma:
le_or_succ_le
(15 messages, latest: Oct 07 2024 at 18:28) - ✔ Independence error (4 messages, latest: Oct 07 2024 at 11:30)
- creating a library of lemmas (3 messages, latest: Oct 07 2024 at 05:36)
- Basic confusion about type inference in exercise (21 messages, latest: Oct 07 2024 at 00:52)
- ✔ how to update lean and mathlib for VSC (for beginner) (7 messages, latest: Oct 07 2024 at 00:23)
- Is there a way to simplify the proof of differentiable? (9 messages, latest: Oct 06 2024 at 15:05)
- Using conditions of an if statement in defining a function (5 messages, latest: Oct 06 2024 at 12:45)
- About PiTensor Product and Tensor Product (7 messages, latest: Oct 06 2024 at 11:30)
- ✔ Simplify sum of first n reciprocals of squares inequality (4 messages, latest: Oct 06 2024 at 09:54)
- Idiomatic proof involing noConfusion (8 messages, latest: Oct 06 2024 at 06:59)
- make a goal during elaboration (3 messages, latest: Oct 06 2024 at 02:28)
- introducing myself: Perry (1 message, latest: Oct 05 2024 at 20:51)
- Basic issue with importing BigOperators (6 messages, latest: Oct 05 2024 at 19:22)
- Change variable value inside type (3 messages, latest: Oct 05 2024 at 18:20)
- Documentation on documentation? (3 messages, latest: Oct 05 2024 at 02:06)
- ✔ dsimp for ZMOD? (5 messages, latest: Oct 04 2024 at 21:32)
- Code review (2 messages, latest: Oct 04 2024 at 18:05)
- ball (3 messages, latest: Oct 04 2024 at 14:18)
- weird highlight in vscode (3 messages, latest: Oct 04 2024 at 13:56)
- ✔ is 0 a natural number in lean/mathlib? (10 messages, latest: Oct 04 2024 at 12:59)
- ✔ How does tag block-by-other-PR work? (5 messages, latest: Oct 04 2024 at 10:19)
- ✔ Haar functions previously in Haskell (20 messages, latest: Oct 03 2024 at 22:10)
- Self-introduction + Subobject classifier in mathlib (5 messages, latest: Oct 03 2024 at 21:40)
- Enforce wellfoundedness in type definition (19 messages, latest: Oct 03 2024 at 17:12)
- How to search for function with all-Unicode name? (21 messages, latest: Oct 03 2024 at 16:44)
- ✔ What are normalized Factors? (10 messages, latest: Oct 03 2024 at 13:50)
- ✔ difference between
:= by rw \[h\]
and:= h
(13 messages, latest: Oct 03 2024 at 09:13) - Proof the picewise-linear function is Continuous (5 messages, latest: Oct 03 2024 at 05:49)
- Casting Fin n to Nat (3 messages, latest: Oct 03 2024 at 03:45)
- recursion with multiple inputs (6 messages, latest: Oct 02 2024 at 22:29)
- How to get
termination_by
to target param in pattern match (2 messages, latest: Oct 02 2024 at 21:41) - Help with proof of membership (3 messages, latest: Oct 02 2024 at 19:34)
- ✔ how to add a new lemma to upstream mathlib (32 messages, latest: Oct 02 2024 at 15:57)
- ✔ match on Fin ? (14 messages, latest: Oct 02 2024 at 13:52)
- Errors: creating a project with Mathlib and SphereEversion (23 messages, latest: Oct 02 2024 at 12:37)
- WithTop ℤ casting not working. (10 messages, latest: Oct 02 2024 at 11:10)
- mathlib version of
le_or_succ_le
(16 messages, latest: Oct 02 2024 at 08:46) - Lean 4 + Exercism? (8 messages, latest: Oct 02 2024 at 07:04)
- PhDs in Formal Verification (2 messages, latest: Oct 02 2024 at 06:11)
- How can I begin my LEAN4 and mathlib4. I have tried two ways (3 messages, latest: Oct 02 2024 at 05:22)
- How to write a lakefile.lean in Oct 2024 to get packages? (3 messages, latest: Oct 01 2024 at 23:45)
- ✔ Can I trace unsuccessful/attempted
coe
? (10 messages, latest: Oct 01 2024 at 21:53) - ✔ A calc block and an instance for Trans? (5 messages, latest: Oct 01 2024 at 20:22)
- ✔ Why doesn't this outParam work? (26 messages, latest: Oct 01 2024 at 17:45)
- Should I build lean by hand? (17 messages, latest: Oct 01 2024 at 17:42)
- environment already contains '«term⊥»._cstage1' from Mathlib (6 messages, latest: Oct 01 2024 at 13:45)
- ✔ Does "Ideal.jacobson ⊥" mean the usual Jacobson radical? (4 messages, latest: Oct 01 2024 at 13:38)
- How to prove this limit? (5 messages, latest: Oct 01 2024 at 13:00)
- Computer algebra system in Lean (17 messages, latest: Oct 01 2024 at 07:50)
- ✔ Automatic instance inference on semireducible defs (7 messages, latest: Oct 01 2024 at 07:42)
- ✔ Lean for software verification (6 messages, latest: Oct 01 2024 at 06:07)
- ✔ What's the RFC "etiquette"? (3 messages, latest: Sep 30 2024 at 22:17)
- ✔ Failing to show termination for a trivial instance (6 messages, latest: Sep 30 2024 at 19:38)
- Timeout when using exact (3 messages, latest: Sep 30 2024 at 17:32)
- leancopilot installation (6 messages, latest: Sep 30 2024 at 14:30)
- simple yet meaningful examples of using lemmas (8 messages, latest: Sep 30 2024 at 08:50)
- Prove problem (6 messages, latest: Sep 30 2024 at 06:32)
- simple proof - but warning in infoview "expected type" (4 messages, latest: Sep 29 2024 at 21:02)
- ✔ Understanding Decidable, DecidableEq, BEq on inductive … (11 messages, latest: Sep 29 2024 at 17:02)
- minor PR for lean4-metaprogramming-book (10 messages, latest: Sep 29 2024 at 16:52)
- ✔ distinction between "lemmas" and "theorems" in mathlib (3 messages, latest: Sep 29 2024 at 15:51)
- Make lean4 fail at sorry (8 messages, latest: Sep 29 2024 at 13:59)
- Why does rewrite fail? (2 messages, latest: Sep 29 2024 at 12:05)
- ✔ Only constant functions have a constant derivative of 0 (5 messages, latest: Sep 29 2024 at 09:26)
- ✔ (kernel) error messages (5 messages, latest: Sep 28 2024 at 23:17)
- ✔ n=1 implies n≠5 : why not norm_num? (5 messages, latest: Sep 28 2024 at 20:59)
- ✔ mutual type classes? (38 messages, latest: Sep 28 2024 at 20:46)
- ✔ Is it possible to have an "existential type" in classes? (8 messages, latest: Sep 28 2024 at 20:36)
- ✔ mathlib vs mathlib4 (25 messages, latest: Sep 28 2024 at 18:18)
- ✔ Quote4: noob stuck on importing it (22 messages, latest: Sep 28 2024 at 18:18)
- ✔ What does
no_index
mean? (7 messages, latest: Sep 28 2024 at 16:06) - ✔ hypothesis in example/theorem? (6 messages, latest: Sep 28 2024 at 12:24)
- Examples to get me started with modulus (19 messages, latest: Sep 28 2024 at 03:55)
- proving values of a
partial def
(16 messages, latest: Sep 28 2024 at 00:54) - LEAN code listing (8 messages, latest: Sep 27 2024 at 22:49)
- ✔ Underscores in cases tactics (7 messages, latest: Sep 27 2024 at 21:57)
- ✔ Recursive apply And.intro (7 messages, latest: Sep 27 2024 at 21:51)
- Proving that ((X^2 - X + 5) : ℤ[X]) is prime (46 messages, latest: Sep 27 2024 at 18:34)
- p-adic metric in terms of p-adic norm (13 messages, latest: Sep 27 2024 at 17:33)
- Choosing a point from a set (7 messages, latest: Sep 27 2024 at 11:30)
- ✔ Show that {v : ℝ × ℝ // v.1 + v.2 = 0} is an AddSemigroup (7 messages, latest: Sep 27 2024 at 05:49)
- How to prove this integral is integrableOn? (7 messages, latest: Sep 27 2024 at 03:18)
- ✔ Continuing experimentation with "generic" numerics? (25 messages, latest: Sep 27 2024 at 03:08)
- unexpected error on
\[norm_cast\]
(2 messages, latest: Sep 26 2024 at 19:04) - Laurance Lau (1 message, latest: Sep 26 2024 at 18:57)
- Lean Compilation to Other Languages (10 messages, latest: Sep 26 2024 at 18:56)
- Using Vect.cons with List.foldr (3 messages, latest: Sep 26 2024 at 16:31)
- Prove Independence (8 messages, latest: Sep 26 2024 at 15:21)
- Class/instance syntax clarification (26 messages, latest: Sep 26 2024 at 12:59)
- Composition of Smooth Maps (on Manifolds) (47 messages, latest: Sep 26 2024 at 10:41)
- using structural ext when there is a non-structural ext defi (2 messages, latest: Sep 26 2024 at 07:11)
- Using 'case zero' in induction (5 messages, latest: Sep 26 2024 at 04:54)
- Question about currying (was: RFC: change how named …) (8 messages, latest: Sep 25 2024 at 22:03)
- Turn off auto type declarations? (2 messages, latest: Sep 25 2024 at 20:57)
- Help with modular arithmetic using "sub_modEq_zero" (8 messages, latest: Sep 25 2024 at 20:21)
- limUnder_add_atTop_eq_nat (9 messages, latest: Sep 25 2024 at 12:50)
- Simple polynomial computations (12 messages, latest: Sep 25 2024 at 10:16)
- ✔ Range.lean / generic "numeric" type questions (13 messages, latest: Sep 25 2024 at 04:12)
- Missing numeric conversion type classes? (25 messages, latest: Sep 25 2024 at 02:10)
- ✔ Using tactics in elab. (3 messages, latest: Sep 25 2024 at 00:06)
- What effect does "instance" have in this example? (24 messages, latest: Sep 24 2024 at 22:29)
- Defering a proof? (7 messages, latest: Sep 24 2024 at 17:18)
- ✔ Trying to figure out how a morphsim become an function (71 messages, latest: Sep 24 2024 at 17:09)
- Lean not seeing Fin m -> Fin n -> F as a Matrix Type (5 messages, latest: Sep 24 2024 at 15:37)
- How to use Fin.cons (5 messages, latest: Sep 24 2024 at 13:24)
- don't know how to synthesize placeholder (47 messages, latest: Sep 24 2024 at 12:37)
- Proof for sectioning reachablity to a certain power (12 messages, latest: Sep 24 2024 at 08:54)
- ✔ Why
OfNat (P n) n
doesn't guessn
with literals? (15 messages, latest: Sep 24 2024 at 03:28) - trouble starting a simple proof (n^2+n is even) (13 messages, latest: Sep 24 2024 at 00:47)
- How is Cadical used in Lean and Mathlib? (12 messages, latest: Sep 23 2024 at 22:11)
- Rewrite summation without simp_rw (4 messages, latest: Sep 23 2024 at 20:17)
- #eval removes indexes inductive object descriptions (9 messages, latest: Sep 23 2024 at 20:05)
Iii
unknown but then known (7 messages, latest: Sep 23 2024 at 17:41)- Typo in documentation for List.all? (12 messages, latest: Sep 23 2024 at 16:16)
- syntax options for
obtain
(12 messages, latest: Sep 23 2024 at 12:42) - vscode lean (opening new files on the left) (2 messages, latest: Sep 23 2024 at 11:31)
- Algebra: subring which is a field. How to use mathlib4? (9 messages, latest: Sep 23 2024 at 09:33)
- how to prove this in a simple and clear way? (9 messages, latest: Sep 23 2024 at 06:33)
- difference between
default_instance
and instancepriority
(5 messages, latest: Sep 23 2024 at 02:05) - Beginner Question (Lean Natural Number Game Level) (25 messages, latest: Sep 23 2024 at 00:52)
- how to name hypotheses introduced by
split
? (13 messages, latest: Sep 22 2024 at 19:28) - just saying hi (2 messages, latest: Sep 22 2024 at 19:11)
- ✔ Confused about relations between sets (9 messages, latest: Sep 22 2024 at 17:02)
- defining power (19 messages, latest: Sep 22 2024 at 15:57)
- Installing Lean with Visual studio code "permission denied" (7 messages, latest: Sep 22 2024 at 14:06)
- ✔ Strange type inference error/inconsistency (15 messages, latest: Sep 21 2024 at 22:11)
- ✔ Simplification of proof (5 messages, latest: Sep 21 2024 at 18:59)
- ✔ disjunctive goal - why does lean want both subgoals pro… (13 messages, latest: Sep 21 2024 at 16:24)
- Making small contributions to Lean4/Mathlib (6 messages, latest: Sep 21 2024 at 11:09)
- VSCode extension doesn't start (4 messages, latest: Sep 21 2024 at 08:00)
- syntax highlight of Lean4 in Zola (14 messages, latest: Sep 20 2024 at 21:56)
- Translating Martin-Löf's equality to low-level Lean (6 messages, latest: Sep 20 2024 at 12:32)
class abbrev
and "unknown constant '[…].mk` (10 messages, latest: Sep 20 2024 at 09:22)- non-boring but still simple example of a disjunctive goal? (12 messages, latest: Sep 20 2024 at 08:49)
- how to prove this? (99 messages, latest: Sep 20 2024 at 07:58)
- struggling to find maths strategy to show inequality (12 messages, latest: Sep 19 2024 at 21:07)
- ✔ Lean gives error but eval works? (19 messages, latest: Sep 19 2024 at 20:29)
- "could not create link" error installing on window (3 messages, latest: Sep 19 2024 at 20:22)
- PID, UFD, GCD domain, etc. in Mathlib (5 messages, latest: Sep 19 2024 at 19:27)
- Defining a higher-rank class instance for
Nat.iterate
(3 messages, latest: Sep 19 2024 at 14:00) - ✔ Run out of memory when using
rfl
(4 messages, latest: Sep 19 2024 at 13:46) - ✔ Help me improve my proof of correct bump allocation! (4 messages, latest: Sep 19 2024 at 13:36)
- ✔ How to prove basic continuity statements? (8 messages, latest: Sep 19 2024 at 08:56)
- localizations of Zmodn (9 messages, latest: Sep 19 2024 at 08:07)
left
andright
are like head and tail? (4 messages, latest: Sep 19 2024 at 06:52)- "Aliases" for type classes? (13 messages, latest: Sep 18 2024 at 22:07)
- Specifying conditions for iSup (6 messages, latest: Sep 18 2024 at 20:15)
- ✔ Riesz representation on product space (11 messages, latest: Sep 18 2024 at 17:48)
- ✔ Why is by exact necessary here? (6 messages, latest: Sep 18 2024 at 17:17)
- ✔ Proof without using the tactic decide (12 messages, latest: Sep 18 2024 at 13:59)
- A ring or linarith tactic for ENNReal numbers (8 messages, latest: Sep 18 2024 at 13:25)
- Need help understanding a type class example (10 messages, latest: Sep 18 2024 at 10:48)
- ✔ a:ℝ,how to prove (a ^ 3) ^ (2 / 3)=a^2? (16 messages, latest: Sep 18 2024 at 09:17)
- soln feedback - show there exists odd integer m ≥ integer n (11 messages, latest: Sep 17 2024 at 19:32)
- ✔ Slightly weird inverse function (5 messages, latest: Sep 17 2024 at 16:59)
- Increasing Sequence of Sets induces Partition on Limit (3 messages, latest: Sep 17 2024 at 14:48)
- Solve
x^n = 1
in Complex (3 messages, latest: Sep 17 2024 at 11:38) - Exercise in 2.01 (3 messages, latest: Sep 17 2024 at 10:15)
- Show inferred value for
_
with vscode-lean4 (11 messages, latest: Sep 17 2024 at 08:32) - Type class for an integral domain (6 messages, latest: Sep 17 2024 at 08:09)
- simple problem (8 messages, latest: Sep 17 2024 at 00:58)
- Array and other beginner questions (6 messages, latest: Sep 16 2024 at 22:28)
- induction over the quotient (5 messages, latest: Sep 16 2024 at 15:48)
- ✔ Understanding
application type mismatch
error with im… (3 messages, latest: Sep 16 2024 at 15:20) - In general, can we list all elements of a finite type? (8 messages, latest: Sep 16 2024 at 12:46)
- How to define a real n-dimensional manifold (where is 𝓡?) (5 messages, latest: Sep 16 2024 at 12:44)
- lemma to convert goal from
A ≥ B
toA - B ≥ 0
? (15 messages, latest: Sep 16 2024 at 12:19) - why it reported "unknown identifier 'sqrt'" (2 messages, latest: Sep 16 2024 at 12:15)
- please help me (4 messages, latest: Sep 16 2024 at 12:11)
- Using lean as a general language (37 messages, latest: Sep 16 2024 at 00:52)
- Is there a better way to solve this excercise? (6 messages, latest: Sep 15 2024 at 23:28)
- ✔ can't find
le_or_succ_le
on moogle nor loogle (7 messages, latest: Sep 15 2024 at 20:04) - A simple heterogenous equality pb (5 messages, latest: Sep 15 2024 at 15:15)
- ✔ How many theorems are there in mathlib? (3 messages, latest: Sep 15 2024 at 15:00)
- Mathlib.Geometry.Manifold.Algebra.ChartedSpace not found (1 message, latest: Sep 15 2024 at 11:24)
- Connections with torsion (moving from sage to lean) (11 messages, latest: Sep 14 2024 at 23:46)
- trying to understand what needs to be existence proved (8 messages, latest: Sep 14 2024 at 20:18)
- proving a goal already instantiated by
use
variables? (15 messages, latest: Sep 14 2024 at 19:35) - Proof by Contradiction (19 messages, latest: Sep 14 2024 at 18:29)
- ✔ "inductive datatype parameter mismatch" error (4 messages, latest: Sep 14 2024 at 15:30)
- Inverting preorder for category instance (3 messages, latest: Sep 14 2024 at 14:50)
- ✔ StateM bind operator (5 messages, latest: Sep 14 2024 at 14:23)
- A better notation for limit (25 messages, latest: Sep 14 2024 at 13:00)
- Does math lib get built every time I open a .lean file? (17 messages, latest: Sep 14 2024 at 12:57)
- streaming andrej karpathy's dataloader in lean (1 message, latest: Sep 13 2024 at 23:07)
- Matthew Dawson (6 messages, latest: Sep 13 2024 at 21:12)
- Finset.instRepr (12 messages, latest: Sep 13 2024 at 18:54)
- Bochner/Interval Integrals and Type Casts (10 messages, latest: Sep 13 2024 at 17:23)
- Mathlib.Vector (11 messages, latest: Sep 13 2024 at 09:23)
- changing gt to gte for integers (35 messages, latest: Sep 12 2024 at 14:49)
- Parentheses for arguments (5 messages, latest: Sep 12 2024 at 13:10)
- Converting a \forall into a \exists inside a tactic (1 message, latest: Sep 12 2024 at 10:37)
- failed to unify 0 ≥ 0 with 0 ≥ 0 (15 messages, latest: Sep 12 2024 at 06:22)
- Help installing Lean (3 messages, latest: Sep 12 2024 at 00:21)
- ✔ Possibility of circularity using linarith, nlinarith, etc (9 messages, latest: Sep 12 2024 at 00:05)
- #check (foo : bar) works but abbrev _ : bar := foo doesn't? (1 message, latest: Sep 11 2024 at 21:07)
- Polya / Goldbach Proof for Infinite Primes in Lean? (5 messages, latest: Sep 11 2024 at 21:00)
- Name of typeclass for algebraically closed fields (5 messages, latest: Sep 11 2024 at 20:37)
- Use FiniteDimensional.finrank_mul_finrank for IntermediateFi (1 message, latest: Sep 11 2024 at 19:49)
- using
apply
and not usingapply
(4 messages, latest: Sep 11 2024 at 16:06) - confusion between equivalence and instance setoid (20 messages, latest: Sep 11 2024 at 05:16)
- ✔ Why this code trigger an function goal when synthInstance (3 messages, latest: Sep 11 2024 at 01:55)
- ✔ lemma to create three cases: <, =0, > (4 messages, latest: Sep 10 2024 at 20:28)
- ✔ Numerical type aliases? (4 messages, latest: Sep 10 2024 at 19:16)
- ✔ Rewrite should work but it doesn't (10 messages, latest: Sep 10 2024 at 18:30)
- bind free variable for decide (3 messages, latest: Sep 10 2024 at 18:08)
- IsIntegralDomain and IsUniqueFactorizationDomain (8 messages, latest: Sep 10 2024 at 18:01)
- Automation for Markov/Monoidal Category Theory (6 messages, latest: Sep 10 2024 at 15:28)
- ✔ How to refer to mul inside mul_comm proof (35 messages, latest: Sep 10 2024 at 13:38)
- How to apply a function to first i elements of a list (5 messages, latest: Sep 10 2024 at 13:09)
- How to see memory usage (22 messages, latest: Sep 10 2024 at 12:00)
- WY (4 messages, latest: Sep 10 2024 at 05:55)
- Monoid for a structure (7 messages, latest: Sep 10 2024 at 05:37)
- How to represent Bayes' theorem in LEAN4 (7 messages, latest: Sep 10 2024 at 03:17)
- ✔ struggling to prove (x+1)^2 > x (11 messages, latest: Sep 09 2024 at 23:57)
- ENNReal.ofReal less than coercion with
: ℝ≥0∞
(12 messages, latest: Sep 09 2024 at 16:31) - Unicode abbreviations in vim/nvim (5 messages, latest: Sep 09 2024 at 13:43)
- Casting subgroups/submodules (6 messages, latest: Sep 09 2024 at 07:13)
- ✔ product topology is generated from cylinders (15 messages, latest: Sep 09 2024 at 07:02)
- Simple Limits in Rationals (11 messages, latest: Sep 08 2024 at 16:22)
- How to tensor product linear functionals (17 messages, latest: Sep 08 2024 at 16:11)
- Asserting that
x ∈ ls
forx
inls.map fun x =>
(13 messages, latest: Sep 08 2024 at 01:13) - Difference between
Std
andBatteries
HashMap? (9 messages, latest: Sep 07 2024 at 19:31) - How to see entire "Processing file" message string? (7 messages, latest: Sep 07 2024 at 19:29)
- Extracting props from a set definition (6 messages, latest: Sep 07 2024 at 19:22)
- How to find parent of some goal in synthInstance output (1 message, latest: Sep 07 2024 at 18:12)
- getting started questions (73 messages, latest: Sep 07 2024 at 17:41)
- ✔ Disjoint union of function range (7 messages, latest: Sep 07 2024 at 17:14)
- error: unknown command '+leanprover-community/mathlib4:lean- (5 messages, latest: Sep 07 2024 at 15:59)
- Resources for semantics of inductive types? (3 messages, latest: Sep 07 2024 at 15:29)
- ✔ Where can I find the defination of notation
ℕ
? (10 messages, latest: Sep 07 2024 at 09:08) - ✔ problem with conv (3 messages, latest: Sep 07 2024 at 07:35)
- How to create and perform math operations on vectors (9 messages, latest: Sep 06 2024 at 21:27)
- norm_num for deciding primality? (8 messages, latest: Sep 06 2024 at 19:14)
- apply tactic weird behaviour with lambda expressions (17 messages, latest: Sep 06 2024 at 18:32)
- ✔ how to show termination of BigStep recursion (5 messages, latest: Sep 06 2024 at 16:43)
- How to use
BitVec.le_def
(8 messages, latest: Sep 06 2024 at 16:08) - How to rewrite sub-expression inside lambda? (12 messages, latest: Sep 06 2024 at 12:00)
- ✔ Confused about writing equations mod p (4 messages, latest: Sep 06 2024 at 01:40)
- MacOS Install Help (6 messages, latest: Sep 05 2024 at 08:20)
- ✔ Build error (3 messages, latest: Sep 05 2024 at 04:23)
- ✔ Printing compiler's selected type class instance (5 messages, latest: Sep 05 2024 at 02:53)
- How to create a new type from string? (8 messages, latest: Sep 04 2024 at 20:31)
- Using let to define structures locally (4 messages, latest: Sep 04 2024 at 18:13)
- Clunky and condition (4 messages, latest: Sep 04 2024 at 18:12)
- ✔ What does it mean to use tactics in non-Prop functions? (6 messages, latest: Sep 04 2024 at 17:05)
- How to use "<" when definition using some other proposition (7 messages, latest: Sep 04 2024 at 16:57)
- Problems with obtain (8 messages, latest: Sep 04 2024 at 16:06)
- Avoid many lemmas to implement a tactic (6 messages, latest: Sep 04 2024 at 05:30)
- How to express an axiom as a sigma type? (translating Agda) (6 messages, latest: Sep 04 2024 at 04:17)
- Classical.choice vs axiom of choice (18 messages, latest: Sep 04 2024 at 04:06)
- are
obtain
hypotheses temporary? (21 messages, latest: Sep 04 2024 at 00:04) - lean structure for a complicated (for me) logical proof (7 messages, latest: Sep 03 2024 at 23:54)
- Failed to synthesize instance Decidable (10 messages, latest: Sep 03 2024 at 19:51)
- ✔ Installing mathlib4 on MacOS outside a project (4 messages, latest: Sep 03 2024 at 18:16)
- Anonymous
apply
orspecialize
(14 messages, latest: Sep 03 2024 at 18:08) - Networking Primitives in Lean4? (2 messages, latest: Sep 03 2024 at 16:42)
- ✔ Subsequence of convergent sequence converges (4 messages, latest: Sep 03 2024 at 16:14)
- ✔ Source code for common tactics (4 messages, latest: Sep 03 2024 at 15:37)
- rw does not work, but exact does (10 messages, latest: Sep 03 2024 at 15:29)
- Two small tactics questions (5 messages, latest: Sep 03 2024 at 14:22)
- ✔ Is there a proposition stating x : T? (18 messages, latest: Sep 03 2024 at 12:43)
- why does this inductive compile with no base cases? (10 messages, latest: Sep 03 2024 at 10:55)
- ✔ Specialize a universal proposition without intro? (7 messages, latest: Sep 02 2024 at 22:18)
- LLM (2 messages, latest: Sep 02 2024 at 19:03)
- ✔ mutual recursion of helper functions (9 messages, latest: Sep 02 2024 at 16:43)
- proof using and_assoc.mp (7 messages, latest: Sep 02 2024 at 14:48)
- ✔ How do I enforce that a type satisfy a proposition? (8 messages, latest: Sep 02 2024 at 13:22)
- ✔ Is there a type that subtypes all other types? (4 messages, latest: Sep 02 2024 at 10:38)
- ✔ Official definition of type in Lean (25 messages, latest: Sep 02 2024 at 03:30)
- ✔ Any way to prove the following statement concisely? (5 messages, latest: Sep 02 2024 at 00:26)
- by_cases for Sigma type/exists clause with explicit element (2 messages, latest: Sep 01 2024 at 22:52)
- Implicit arguments after explicit ones (13 messages, latest: Sep 01 2024 at 20:42)
- ✔ running time of
lake run script
(2 messages, latest: Sep 01 2024 at 18:01) - ✔ what is app_unexpander? (5 messages, latest: Sep 01 2024 at 17:39)
- Elijah Beregovsky (11 messages, latest: Sep 01 2024 at 14:50)
- Equality of types (17 messages, latest: Sep 01 2024 at 13:02)
- ✔ Strategic game in normal form, how to define (5 messages, latest: Sep 01 2024 at 11:38)
- Bug in The Natural Numbers Game??? (1 message, latest: Sep 01 2024 at 08:05)
- Suitable problem for Lean? & Paid Consulting help? (4 messages, latest: Sep 01 2024 at 07:34)
- Haar Transform (2 messages, latest: Sep 01 2024 at 06:23)
- x^2=0 implies x=0 (
cancel
from Heather MacBeth's course) (3 messages, latest: Sep 01 2024 at 05:58) - ✔ Trying to prove termination (3 messages, latest: Aug 31 2024 at 23:52)
- ✔ geometric series (18 messages, latest: Aug 31 2024 at 15:50)
- trace.tauto and/or alternatives? (2 messages, latest: Aug 31 2024 at 12:46)
- Program Main without IO (8 messages, latest: Aug 31 2024 at 07:40)
- duplicate goals - what is best practice? (3 messages, latest: Aug 30 2024 at 22:05)
- Simple arithmetic identities on Nat (10 messages, latest: Aug 30 2024 at 19:59)
- Why is Nat.twoStepInduction a def but not a theorem? (4 messages, latest: Aug 30 2024 at 18:02)
- running time is 0ms…? (5 messages, latest: Aug 30 2024 at 17:04)
- Importing mathlib conventions? (6 messages, latest: Aug 30 2024 at 15:53)
- how to find lemmas? (5 messages, latest: Aug 30 2024 at 12:43)
- Synthesize abbrev (20 messages, latest: Aug 30 2024 at 11:43)
- Get hypotheses for pattern-matching
let
(7 messages, latest: Aug 30 2024 at 11:04) - Help: Notation for Turing Machines from transition table (9 messages, latest: Aug 30 2024 at 09:45)
- ✔ A question about counting the roots of polynomials (6 messages, latest: Aug 30 2024 at 02:10)
- why do declarations with unknown types compile? (5 messages, latest: Aug 30 2024 at 02:01)
- ✔ Understanding cases with rw in the Natural Numbers Game (13 messages, latest: Aug 29 2024 at 23:39)
- Code review: proof about Array map (40 messages, latest: Aug 29 2024 at 21:31)
- ✔ How do I specify the universe in a
variable
declaration? (11 messages, latest: Aug 29 2024 at 20:48) - ✔ Sanity check on my understanding of
Or
/ "proof rigor". (7 messages, latest: Aug 29 2024 at 18:17) - Playing around with module homomorphisms (9 messages, latest: Aug 29 2024 at 16:38)
- solve_by_elim discharge parameter (15 messages, latest: Aug 29 2024 at 12:05)
- ✔ artificially expanded multi-line
calc
to "1-liner" (8 messages, latest: Aug 29 2024 at 11:31) - Got "tactic 'induction' failed, recursor 'Exists.casesOn'" (4 messages, latest: Aug 29 2024 at 07:37)
- iteration, ranges, and Fin n (8 messages, latest: Aug 29 2024 at 04:30)
- What's the equivalent of typeholes? (5 messages, latest: Aug 29 2024 at 04:30)
- Mutable variables with dependent types (7 messages, latest: Aug 28 2024 at 22:07)
- error in thinking -> unexpected token 'calc'; expected ':=' (11 messages, latest: Aug 28 2024 at 15:27)
- Getting more info out of a list function (2 messages, latest: Aug 28 2024 at 14:26)
- Avoiding tactic mode (10 messages, latest: Aug 28 2024 at 12:40)
- ✔ Natural Numbers Game Algorithm World Macro (6 messages, latest: Aug 28 2024 at 11:09)
- ✔ inductives and structures lacking where (9 messages, latest: Aug 28 2024 at 07:46)
- Mul of pos is pos (9 messages, latest: Aug 28 2024 at 06:30)
- Britt Anderson and Unicode Issue (9 messages, latest: Aug 27 2024 at 21:10)
- IMO 1982 Q3 (10 messages, latest: Aug 27 2024 at 16:12)
- ✔ trouble finishing off Sedrakyan's Lemma (6 messages, latest: Aug 27 2024 at 14:10)
- How to use proof with disjunctions? (5 messages, latest: Aug 27 2024 at 08:34)
- ✔ pointwise multiplication (7 messages, latest: Aug 27 2024 at 06:44)
- Subu Chitti (5 messages, latest: Aug 27 2024 at 01:38)
- ✔ Proof help: Recursive Algorithms (6 messages, latest: Aug 26 2024 at 22:50)
- Internal error (9 messages, latest: Aug 26 2024 at 21:50)
- scope of hypotheses from
obtain
(12 messages, latest: Aug 26 2024 at 21:32) - ✔ theorems not found - "unknown constant" (16 messages, latest: Aug 26 2024 at 19:44)
- ✔ Calc mode error when mathlib imported (10 messages, latest: Aug 26 2024 at 12:00)
- Is there a way to quickly check the definition? (18 messages, latest: Aug 26 2024 at 06:25)
- ✔ Diffculty Showing ¬p → p in theorem. (12 messages, latest: Aug 25 2024 at 20:40)
- ✔ private constructors (8 messages, latest: Aug 25 2024 at 20:09)
- good habit to use
:= by
at end of first proof header line? (5 messages, latest: Aug 25 2024 at 18:12) - what is unsolved
goals case h.inr
? (12 messages, latest: Aug 25 2024 at 15:49) - explanation of behavior of existential (3 messages, latest: Aug 25 2024 at 11:37)
- Define function with narrower range (7 messages, latest: Aug 25 2024 at 07:47)
- ✔ Basic Difficulty with False Prop (4 messages, latest: Aug 25 2024 at 03:56)
- Rewrite inside BigOperators (24 messages, latest: Aug 24 2024 at 17:45)
- theorem on ranges (1 message, latest: Aug 24 2024 at 16:42)
- ✔ How to add (inner product like) over two Finsets? (4 messages, latest: Aug 24 2024 at 06:52)
- ✔ linarith w/ NNRat (10 messages, latest: Aug 24 2024 at 01:46)
- ✔ Alternative definition of Nat.add (14 messages, latest: Aug 23 2024 at 23:12)
- external iteration and the State monad (2 messages, latest: Aug 23 2024 at 19:36)
- Structured proofs? (37 messages, latest: Aug 23 2024 at 18:33)
- Extract singleton to define function (3 messages, latest: Aug 23 2024 at 17:29)
- integral_union without measurable assumption (44 messages, latest: Aug 23 2024 at 16:45)
- Theorem vs definition (15 messages, latest: Aug 23 2024 at 16:26)
- Simp as a command / function? (4 messages, latest: Aug 23 2024 at 15:56)
- More theorems!! integral less than equal integral ? (18 messages, latest: Aug 23 2024 at 10:55)
- Render issue with
#find_home
? (6 messages, latest: Aug 23 2024 at 10:27) - RealWorld in the IO Monad (4 messages, latest: Aug 23 2024 at 09:19)
- ∼, ~ and \sim (7 messages, latest: Aug 23 2024 at 06:18)
- I need help formalizing the following well-known result (10 messages, latest: Aug 22 2024 at 21:23)
- How to desugar a
do
block (28 messages, latest: Aug 22 2024 at 20:14) - terminology question
have
(38 messages, latest: Aug 22 2024 at 18:20) - ✔ How to Fix Unicode Output in Lean's IO.println? (12 messages, latest: Aug 22 2024 at 12:37)
- ✔ universes and code reuse (7 messages, latest: Aug 22 2024 at 09:46)
- ✔ Help using HEq (7 messages, latest: Aug 22 2024 at 09:05)
- ✔ Induction on n with Fintype n (32 messages, latest: Aug 22 2024 at 07:31)
- Can we provide proofs to match expressions? (11 messages, latest: Aug 22 2024 at 05:01)
- Measures on R^n (38 messages, latest: Aug 21 2024 at 21:51)
- Asserting that 2ℤ forms a non-unital ring (20 messages, latest: Aug 21 2024 at 21:25)
- ✔ How to deconstruct inductive type like Except (10 messages, latest: Aug 21 2024 at 21:21)
- noncomputable section help (5 messages, latest: Aug 21 2024 at 20:31)
- ✔ Is there a way to adjust the order of variables? (6 messages, latest: Aug 21 2024 at 14:14)
- ✔ How to cast a type into the type it extends? (4 messages, latest: Aug 21 2024 at 10:06)
- Riesz theorem (45 messages, latest: Aug 21 2024 at 08:13)
- ✔ termination_by question (2 messages, latest: Aug 21 2024 at 02:37)
- iteration documentation? (35 messages, latest: Aug 21 2024 at 01:51)
- ✔ JSON-RPC textDocument/hover Request to Lean Not Working (9 messages, latest: Aug 21 2024 at 00:37)
- ✔ Ignoring specific values in limits (4 messages, latest: Aug 20 2024 at 22:26)
- ✔ Defining linear operators over complex Euclidean vectors (9 messages, latest: Aug 20 2024 at 22:11)
- ✔ syntax overview + primitive types? (21 messages, latest: Aug 20 2024 at 21:21)
- Match inference not working over two variables (1 message, latest: Aug 20 2024 at 18:43)
- Set construction proof basics (24 messages, latest: Aug 20 2024 at 17:16)
- Does match imply equality? (3 messages, latest: Aug 20 2024 at 15:34)
- Quotient.induction can infer motive but fails on application (1 message, latest: Aug 20 2024 at 13:59)
- which lemmas are used in simple "add 1 to both sides" step (7 messages, latest: Aug 20 2024 at 13:56)
- Representation of the goal (3 messages, latest: Aug 20 2024 at 12:32)
- Class vs structure (26 messages, latest: Aug 20 2024 at 06:11)
- ✔ Inductive Proposition Types and Subtypes (4 messages, latest: Aug 20 2024 at 01:50)
- ✔ Back and forth between Characteristic polynomial and ma… (9 messages, latest: Aug 19 2024 at 23:31)
- ✔ Distributive law of matrix-vector multplications (5 messages, latest: Aug 19 2024 at 19:44)
- Asserting ℤ[(1 + √(-19))/2] forms a principal ideal domain (11 messages, latest: Aug 19 2024 at 16:35)
- Natural Numbers Game Advanced Multiplication (3 messages, latest: Aug 19 2024 at 13:02)
- ✔ Division by zero in gaussianPDFReal_zero_var (6 messages, latest: Aug 19 2024 at 12:38)
- Set Theory Game Question (11 messages, latest: Aug 19 2024 at 09:15)
obtain
with 3 hypotheses given the same name (8 messages, latest: Aug 19 2024 at 08:18)- Match statement proposition inference (25 messages, latest: Aug 19 2024 at 01:02)
- ✔ Failing termination_by proof (3 messages, latest: Aug 18 2024 at 23:49)
- Explaining noncomputable (57 messages, latest: Aug 18 2024 at 22:24)
- Lean4 Performance Benchmarks (3 messages, latest: Aug 18 2024 at 19:43)
- ✔ Is there a way to simplify left side of the implication? (23 messages, latest: Aug 18 2024 at 19:38)
- ✔ Exists unique as definition (21 messages, latest: Aug 18 2024 at 19:06)
- MetaEval failed to be synthesized for elaboration result (21 messages, latest: Aug 18 2024 at 18:48)
- tactic 'generalize' failed, result is not type correct (2 messages, latest: Aug 18 2024 at 17:57)
- Turn implicitly declared variables explicit in definition (1 message, latest: Aug 18 2024 at 16:11)
- ✔ STG4 Family Combination World 6/8 (8 messages, latest: Aug 18 2024 at 10:43)
- Coend increases universe too much ? (11 messages, latest: Aug 18 2024 at 09:47)
- ✔ How to think about function "fields" (3 messages, latest: Aug 18 2024 at 04:45)
- Gaussian measures (5 messages, latest: Aug 17 2024 at 21:20)
- Classical.choice produces equal elements (3 messages, latest: Aug 17 2024 at 19:54)
- Notation precedence (3 messages, latest: Aug 17 2024 at 17:25)
- How to prove equivalence of values (17 messages, latest: Aug 17 2024 at 15:17)
- ✔ Tactic for simple inequalities (9 messages, latest: Aug 17 2024 at 14:45)
- ✔ Leibniz integral rule in Mathlib (16 messages, latest: Aug 17 2024 at 12:51)
- ✔ range propositions (4 messages, latest: Aug 17 2024 at 09:52)
- ✔ static Array Type (6 messages, latest: Aug 17 2024 at 07:57)
- Proving refinement is a partial order (13 messages, latest: Aug 17 2024 at 07:45)
- Two noob questions (1 message, latest: Aug 17 2024 at 06:37)
- Install emacs lean-mode (1 message, latest: Aug 17 2024 at 00:06)
- Imports are out of date and must be rebuilt (7 messages, latest: Aug 16 2024 at 22:15)
- Design pattern for further constraining inductive predicate (7 messages, latest: Aug 16 2024 at 13:37)
- Dennis Sweeney (15 messages, latest: Aug 16 2024 at 12:34)
- Injectivity of the inclusion of an ideal into a ring (8 messages, latest: Aug 16 2024 at 08:54)
- ✔ Dependent sum of prop? (5 messages, latest: Aug 15 2024 at 23:40)
- Powerset of Fintype (15 messages, latest: Aug 15 2024 at 12:51)
- Tagless-Final in Lean (1 message, latest: Aug 15 2024 at 12:13)
- how to parse Floats or even Sci notation with Parsec? (18 messages, latest: Aug 15 2024 at 11:54)
- ✔ What's the mono font used in mathematics_in_lean? (4 messages, latest: Aug 15 2024 at 10:55)
- LSP development setup problem (4 messages, latest: Aug 15 2024 at 10:04)
- Why does this theorem leads to contradiction? (17 messages, latest: Aug 15 2024 at 06:36)
- Getting rid of universes (10 messages, latest: Aug 14 2024 at 21:26)
- What do propositional types do for us? (19 messages, latest: Aug 14 2024 at 20:50)
- Stavan Jain (19 messages, latest: Aug 14 2024 at 19:52)
- Is there a push_neg attribute? (8 messages, latest: Aug 14 2024 at 15:56)
- StateM and discard operator (2 messages, latest: Aug 14 2024 at 14:54)
- Modular arithmetic (32 messages, latest: Aug 14 2024 at 05:45)
- Lean4 vs Lean3 (6 messages, latest: Aug 14 2024 at 04:52)
- ✔ Metrizability of a compact topological space (4 messages, latest: Aug 13 2024 at 19:25)
- ✔ Battle against the universe (4 messages, latest: Aug 13 2024 at 18:52)
- ✔ Geometric Subtype and Induction (8 messages, latest: Aug 13 2024 at 17:19)
- computing colimits (1 message, latest: Aug 13 2024 at 17:17)
- ✔ Goal is IF guard (4 messages, latest: Aug 13 2024 at 13:27)
- understanding
calc
with 2 similar examples (11 messages, latest: Aug 13 2024 at 12:04) - Opposite category in TopCat/Presheaf (3 messages, latest: Aug 13 2024 at 09:42)
- Ordering strings (83 messages, latest: Aug 13 2024 at 08:57)
- ✔ bintree example: application type mismatch (5 messages, latest: Aug 13 2024 at 07:47)
HasColimit
behaving strangely (8 messages, latest: Aug 13 2024 at 06:34)- ✔ Casting elements v2 (13 messages, latest: Aug 12 2024 at 23:37)
- Understanding newbie questions (76 messages, latest: Aug 12 2024 at 22:04)
- Understanding calling command line functions (7 messages, latest: Aug 12 2024 at 17:38)
- ✔ Casting elements (7 messages, latest: Aug 12 2024 at 17:35)
- ✔ Simple contradiction fails (3 messages, latest: Aug 12 2024 at 14:25)
- Compile Time Parameters (1 message, latest: Aug 12 2024 at 14:22)
- is
apply?
sorryless? (5 messages, latest: Aug 12 2024 at 14:10) - ✔ It seems like a new type is constructed in universe u… (9 messages, latest: Aug 12 2024 at 12:52)
- guard that a proof fails? (8 messages, latest: Aug 12 2024 at 03:23)
- UFDs, GCD domains and integrally closed domains in Mathlib (2 messages, latest: Aug 11 2024 at 21:49)
- match with
("&" foo)*
syntax (3 messages, latest: Aug 11 2024 at 21:18) - ✔ Reference for backslash codes that produce unicode? (4 messages, latest: Aug 11 2024 at 20:29)
- ✔ Isomorphism of relations – and where to ask about this (5 messages, latest: Aug 11 2024 at 18:46)
- Tactic Combinators: repeat (try …), fails on trivial eg. (7 messages, latest: Aug 11 2024 at 10:20)
- ✔ Distributive Law of Disjunction over Conjunction (8 messages, latest: Aug 11 2024 at 07:47)
- Nat to Fin conversion (19 messages, latest: Aug 10 2024 at 22:22)
- ✔ Synthesizing Semiring and NonAssocSemiring from Ring (16 messages, latest: Aug 10 2024 at 20:36)
- redefining operators (5 messages, latest: Aug 10 2024 at 17:00)
- Are some theorems and defs in Moogle deprecated? (7 messages, latest: Aug 10 2024 at 16:39)
- ✔ difference between sorry and admit (29 messages, latest: Aug 10 2024 at 16:20)
- Obtain/rcases can only eliminate into prop (20 messages, latest: Aug 10 2024 at 15:33)
- Lean setup (11 messages, latest: Aug 10 2024 at 13:50)
- How to prove decidability for Nonempty (6 messages, latest: Aug 10 2024 at 13:36)
- How to prove decidability for PosDef? (22 messages, latest: Aug 10 2024 at 11:43)
- ✔ Reflection tactic and local vs global definitions (11 messages, latest: Aug 10 2024 at 02:27)
- rw vs simp | default arguments for hypothesis (14 messages, latest: Aug 09 2024 at 23:33)
- ✔ Can't prove seemingly simple theorem (5 messages, latest: Aug 09 2024 at 21:59)
- ✔ How to formalize the following set proposition in lean (27 messages, latest: Aug 09 2024 at 21:37)
- ✔ Tracing/Visualizing Tactic Output (9 messages, latest: Aug 09 2024 at 19:04)
- ✔ Reflection Proofs for Simple Programs (15 messages, latest: Aug 09 2024 at 18:15)
- Error building NNG4 (5 messages, latest: Aug 09 2024 at 15:01)
- Different kinds of interpolated strings? (5 messages, latest: Aug 09 2024 at 14:09)
- ✔ Switching between fderiv and deriv (32 messages, latest: Aug 08 2024 at 17:02)
- Proving m ∈ F given set membership conditions (10 messages, latest: Aug 08 2024 at 14:54)
- showing contradiction (19 messages, latest: Aug 08 2024 at 13:09)
- Show tails of a convergent sequence converge (9 messages, latest: Aug 08 2024 at 08:59)
- How to avoid rename_i (9 messages, latest: Aug 08 2024 at 06:41)
- HPow instance on linear maps, rfl failure (11 messages, latest: Aug 07 2024 at 20:56)
- antiderivative (5 messages, latest: Aug 07 2024 at 18:44)
- Kantorovich's theorem on Newton's method, fully formalized! (1 message, latest: Aug 07 2024 at 15:20)
- Accessing a shadowed definition (2 messages, latest: Aug 07 2024 at 14:10)
- Bad Diamonds in Lean Tutorial (4 messages, latest: Aug 06 2024 at 22:39)
- invalid nested inductive datatype (2 messages, latest: Aug 06 2024 at 22:03)
- Nat.find (10 messages, latest: Aug 06 2024 at 21:34)
- memory requirements (6 messages, latest: Aug 06 2024 at 14:53)
- Step by step logging in main (18 messages, latest: Aug 06 2024 at 12:20)
SlimCheck
docs example not working (4 messages, latest: Aug 06 2024 at 12:00)- Default type arguments? (7 messages, latest: Aug 05 2024 at 21:00)
- ✔ Help with a particular rw (9 messages, latest: Aug 05 2024 at 20:19)
- Defining a Typeclass with Multiple Type Parameters (4 messages, latest: Aug 05 2024 at 18:52)
- ✔ Follow-up: Do I still not need a "DecidablePred"? (6 messages, latest: Aug 05 2024 at 14:27)
- ✔ is this lemma in mathlib? (9 messages, latest: Aug 05 2024 at 11:46)
- ✔ How to define "Decidable" and "DecidablePred"? (13 messages, latest: Aug 05 2024 at 09:26)
- ✔ How to define sum type with bounded attributes (22 messages, latest: Aug 05 2024 at 07:52)
- Type Equivalence (6 messages, latest: Aug 05 2024 at 06:36)
- ✔ help with natural number division (8 messages, latest: Aug 05 2024 at 06:22)
- How do I prove my prime sieve works? (182 messages, latest: Aug 04 2024 at 23:02)
- ✔ visualizing theorem/def dependencies (4 messages, latest: Aug 04 2024 at 22:05)
- not understanding deliberate error with
ring
over ℕ (31 messages, latest: Aug 04 2024 at 21:56) - ✔ Golf help for function composition problem (4 messages, latest: Aug 04 2024 at 21:28)
- A subtle detail about Lean
rw
tactic (9 messages, latest: Aug 04 2024 at 12:01) - ✔ invalid use of 'noncomputable' in field declaration (28 messages, latest: Aug 04 2024 at 11:16)
- More detailed installation instructions for lean4-mode (7 messages, latest: Aug 04 2024 at 06:17)
- Need some help to convert an induction blueprint to LEAN (10 messages, latest: Aug 04 2024 at 03:03)
- ✔ simple question on induction format (8 messages, latest: Aug 04 2024 at 02:15)
- ✔ Prove 1/2 > 0 (11 messages, latest: Aug 03 2024 at 22:59)
- Formalizing Chapters of Stacks Project (15 messages, latest: Aug 03 2024 at 13:27)
- Equality problems for defined structures (11 messages, latest: Aug 03 2024 at 11:50)
- How to update lake? (24 messages, latest: Aug 03 2024 at 11:34)
- Yufan Zhao (2 messages, latest: Aug 03 2024 at 05:41)
- ✔ Maximum number of heartbeats reached (19 messages, latest: Aug 03 2024 at 01:03)
- ✔ set and have? (7 messages, latest: Aug 02 2024 at 22:36)
- Angelo Lucia (4 messages, latest: Aug 02 2024 at 17:47)
- ✔ Defining the fderiv of a function and its inverse (25 messages, latest: Aug 02 2024 at 16:38)
- ✔ coset card (28 messages, latest: Aug 02 2024 at 16:37)
- subgroup (14 messages, latest: Aug 02 2024 at 16:35)
- How do I prove this problem in lean4 (7 messages, latest: Aug 02 2024 at 13:24)
- WellFoundedness and functions (4 messages, latest: Aug 02 2024 at 12:29)
- local definition to a section ? (4 messages, latest: Aug 02 2024 at 07:30)
- closure of a relation and equality of
Quot.mk
(2 messages, latest: Aug 02 2024 at 07:25) - Nat vs ℕ (3 messages, latest: Aug 01 2024 at 23:14)
- Exists from forall (5 messages, latest: Aug 01 2024 at 21:02)
- A question about dihedral groups (7 messages, latest: Aug 01 2024 at 18:37)
- ✔ Polymorphic Functions w/ Wildcard Match Type (4 messages, latest: Aug 01 2024 at 16:26)
- ✔ Is there a simpler way to prove this? (5 messages, latest: Aug 01 2024 at 16:07)
- group property (3 messages, latest: Aug 01 2024 at 15:46)
- PR for mathlib4 pending + thank you (5 messages, latest: Aug 01 2024 at 12:42)
- zero_mul in ring instances (7 messages, latest: Aug 01 2024 at 10:41)
- Issue with imports (3 messages, latest: Aug 01 2024 at 07:41)
- ✔
convert
works whenexact
doesn't work for some reason (10 messages, latest: Jul 31 2024 at 19:17) - ✔
assert
syntax highlihged (6 messages, latest: Jul 31 2024 at 17:01) - Abstract differentiation (2 messages, latest: Jul 31 2024 at 14:07)
- group actions (3 messages, latest: Jul 31 2024 at 13:25)
- Hello; help with setup error (Win11, system_category 193) (10 messages, latest: Jul 31 2024 at 11:31)
- FLT for n=4 (8 messages, latest: Jul 31 2024 at 09:39)
- Right way to specialize structures? (10 messages, latest: Jul 30 2024 at 22:27)
- ✔ Another tiny theorem I'm trying to prove (8 messages, latest: Jul 30 2024 at 21:28)
- ✔ Finset.filter with ite inside it (7 messages, latest: Jul 30 2024 at 16:37)
- show-and-tell (1 message, latest: Jul 30 2024 at 15:09)
- Euclidean Geometry seems like missing a lot of stuff? (19 messages, latest: Jul 30 2024 at 10:39)
- type error with a strange error message (4 messages, latest: Jul 30 2024 at 10:09)
- Multiple indices in iSup (25 messages, latest: Jul 30 2024 at 02:31)
- ✔ How to simplify (List.map f List.range n)? (8 messages, latest: Jul 30 2024 at 01:02)
- ✔ Asking for help with Finset.filter and card (18 messages, latest: Jul 29 2024 at 20:38)
- How exactly does Lean Blueprint actually integrate with Lean (12 messages, latest: Jul 29 2024 at 20:19)
- STG4 family union world 7/7 (6 messages, latest: Jul 29 2024 at 16:11)
- Strange issue in Natural Numbers game (7 messages, latest: Jul 29 2024 at 13:31)
- ✔ String Pattern Matching Function (7 messages, latest: Jul 29 2024 at 12:41)
- How to determine if the conditions are contradictory? (15 messages, latest: Jul 29 2024 at 09:47)
- Ascii name of the rightward triangle operator (▸) (3 messages, latest: Jul 29 2024 at 02:32)
- Prove ContDiffOn by continuous derivative (1 message, latest: Jul 28 2024 at 22:37)
- Derivative of an Inverse (25 messages, latest: Jul 28 2024 at 21:06)
- Why are vectors better than lists? (17 messages, latest: Jul 28 2024 at 20:10)
- Why the following requires partial? (13 messages, latest: Jul 28 2024 at 18:27)
- ✔ Very weird type error from changing scope (5 messages, latest: Jul 28 2024 at 16:02)
- let keyword and fun expression? (7 messages, latest: Jul 28 2024 at 11:00)
- Don't see Lean 4: Open Documentation View in command palette (7 messages, latest: Jul 28 2024 at 10:51)
- ✔ by simp not evaluating inequalities (4 messages, latest: Jul 28 2024 at 01:33)
- Non-visible ASCII codes inside of a String (7 messages, latest: Jul 27 2024 at 21:46)
- Error : cannot find synthesization order for instance (2 messages, latest: Jul 27 2024 at 14:15)
- ✔ How do I use the Euler phi function? (4 messages, latest: Jul 27 2024 at 13:08)
- ✔ How to make lean to synthesize Nonempty instance? (5 messages, latest: Jul 27 2024 at 12:50)
- ✔ Surjective vecCons (7 messages, latest: Jul 27 2024 at 11:38)
- ✔ self_trans_symm but for ContinuousLinearEquiv (5 messages, latest: Jul 26 2024 at 12:23)
- Local definition in section in terms of many variables (6 messages, latest: Jul 26 2024 at 10:10)
- ✔ why does (x : Fin y) allow x > y ? (9 messages, latest: Jul 25 2024 at 23:30)
- ✔ Type mismatch error with coercion on continuous linear … (16 messages, latest: Jul 25 2024 at 19:01)
- ✔ Is there an easier proof than this? (5 messages, latest: Jul 25 2024 at 17:55)
- Why Lean don't allow to call this instance method? (7 messages, latest: Jul 25 2024 at 17:31)
- ✔ Infinite reduction sequences in abstract rewriting (28 messages, latest: Jul 25 2024 at 16:54)
- ✔ cleanly split on lt / eq / gt cases? (9 messages, latest: Jul 25 2024 at 14:35)
- ✔ How to unfold (?) definition made by
let
? (10 messages, latest: Jul 25 2024 at 14:32) - card of
finsuppAntidiag
(1 message, latest: Jul 25 2024 at 14:02) - Why Dot notation doesn't work for instance methods? (8 messages, latest: Jul 25 2024 at 11:35)
- ✔ Extract group from ring? (7 messages, latest: Jul 25 2024 at 09:24)
- Global Class Field Theory (13 messages, latest: Jul 25 2024 at 07:41)
- ✔ Persistent errors (23 messages, latest: Jul 24 2024 at 19:22)
- Tuple represented as a single, not product, Type (11 messages, latest: Jul 24 2024 at 18:25)
- ✔ Tactic 'rw' does not work as expected? (18 messages, latest: Jul 24 2024 at 16:42)
- where can I read about
gcongr
(for beginners)? (12 messages, latest: Jul 24 2024 at 15:00) - How can we terminate partial functions? (3 messages, latest: Jul 23 2024 at 23:11)
- ✔ missing theorem (7 messages, latest: Jul 23 2024 at 23:09)
- Defining the unit interval (41 messages, latest: Jul 23 2024 at 19:02)
- Function with cases (12 messages, latest: Jul 23 2024 at 07:53)
- hashset intersect? (4 messages, latest: Jul 22 2024 at 15:31)
- Workaround for deriving Repr in types with non Repr fields (3 messages, latest: Jul 22 2024 at 15:27)
- Closed subsets of closed subspaces (7 messages, latest: Jul 22 2024 at 14:22)
- ✔ Obtaining properties of the induced/subspace topology (3 messages, latest: Jul 22 2024 at 12:22)
- subsets inductive type parameter (11 messages, latest: Jul 22 2024 at 10:07)
- ✔ use a variable definition as a rewrite rule? (5 messages, latest: Jul 22 2024 at 05:20)
- Forks and pullbacks (3 messages, latest: Jul 22 2024 at 03:40)
- Rewrite rational as a/b (3 messages, latest: Jul 21 2024 at 19:35)
- ✔
mul_comm
failed:multiplication can't find proper inst… (6 messages, latest: Jul 21 2024 at 16:43) - lake build takes a long time (3 messages, latest: Jul 21 2024 at 16:33)
- Give an example of an infinite group whose any subgroup of o (7 messages, latest: Jul 21 2024 at 14:49)
- Error: typeclass instance problem is stuck, it is often due (5 messages, latest: Jul 21 2024 at 14:48)
- Formalisation of AKS Primality lemma (49 messages, latest: Jul 20 2024 at 23:06)
- RBMap not looking up value (14 messages, latest: Jul 20 2024 at 22:49)
- ✔
Repr
interpolation (12 messages, latest: Jul 20 2024 at 22:07) - How feasible it for me to translate this real analysis video (4 messages, latest: Jul 20 2024 at 17:42)
- ✔
Pr (E₁ ∪ E₂) = Pr E₁ + Pr E₂ - Pr (E₁ ∩ E₂)
(5 messages, latest: Jul 20 2024 at 15:01) - ✔ How to show that the cardinality of a type is n (3 messages, latest: Jul 20 2024 at 09:39)
- Recursion on ordinals (10 messages, latest: Jul 20 2024 at 07:49)
- Coercion between universe levels (3 messages, latest: Jul 19 2024 at 19:53)
- using positivity with limited (beginner) tactics (10 messages, latest: Jul 19 2024 at 12:21)
- ✔ kernal (18 messages, latest: Jul 19 2024 at 10:27)
- rw with hypotheses (7 messages, latest: Jul 18 2024 at 16:44)
- multiplication in EReal, least upper bounds over Real, ENNRe (3 messages, latest: Jul 18 2024 at 14:30)
- ✔ clssify ablean group of order of 441 (9 messages, latest: Jul 18 2024 at 12:20)
- ✔ natural division : is this hopeless? (18 messages, latest: Jul 18 2024 at 12:13)
- ✔ Finset of subtype 2 (1 message, latest: Jul 18 2024 at 10:03)
- Shapley-Folkman lemma (30 messages, latest: Jul 18 2024 at 07:47)
- Virtual machine (4 messages, latest: Jul 18 2024 at 07:12)
- ✔ Using match inside a type declaration (6 messages, latest: Jul 17 2024 at 17:57)
- ✔ img (32 messages, latest: Jul 17 2024 at 16:13)
- Mechanics of Proof 2.5 (8 messages, latest: Jul 17 2024 at 15:42)
- Fitting's Lemma (5 messages, latest: Jul 17 2024 at 15:32)
- Subfunctors (6 messages, latest: Jul 17 2024 at 13:44)
- Integrability (1 message, latest: Jul 17 2024 at 09:08)
- how can i extract the set a and b (10 messages, latest: Jul 17 2024 at 09:05)
- An α → Prop classically equivalent to a computable α → Bool (21 messages, latest: Jul 17 2024 at 08:41)
- group problem (29 messages, latest: Jul 17 2024 at 03:32)
- ✔ easy solution for communication (10 messages, latest: Jul 16 2024 at 18:49)
- ✔ how to write an assertion? (6 messages, latest: Jul 16 2024 at 16:00)
- norm_num not solving inequality with sqrt (11 messages, latest: Jul 16 2024 at 15:47)
- ✔ Unable to unify seemingly equal terms (20 messages, latest: Jul 16 2024 at 14:23)
- Complexity Theory? (22 messages, latest: Jul 16 2024 at 14:00)
- ✔ hom (23 messages, latest: Jul 16 2024 at 11:03)
- issue with synthesizing Decidable LT for LeviCivita Field (1 message, latest: Jul 16 2024 at 00:46)
- Installing lean 3 issues (45 messages, latest: Jul 15 2024 at 17:04)
- ✔ Blueprint doesn't work properly in localhost (4 messages, latest: Jul 15 2024 at 16:17)
- Subspace topology and continuous functions (2 messages, latest: Jul 15 2024 at 16:07)
- Fields with Types implementing classes (9 messages, latest: Jul 15 2024 at 15:00)
- how to express and use derivatives in Lean4 (2 messages, latest: Jul 15 2024 at 08:21)
- ✔ Infinite sums manipulation (7 messages, latest: Jul 15 2024 at 05:16)
- Set theory game (31 messages, latest: Jul 15 2024 at 01:18)
- How do I write a
have:
into my function for termination (13 messages, latest: Jul 15 2024 at 00:04) - Implementation of direct sum of functors (2 messages, latest: Jul 14 2024 at 18:11)
- import
import Mathlib.Tactic
vsimport Mathlib
(16 messages, latest: Jul 14 2024 at 16:28) - endomorphism of a finite group G (7 messages, latest: Jul 14 2024 at 16:25)
- Why does definition of lp use a Pi-type? (5 messages, latest: Jul 14 2024 at 15:47)
- How to show a function is a retraction (1 message, latest: Jul 14 2024 at 11:39)
- ✔ Using Set.piecewise (3 messages, latest: Jul 14 2024 at 10:26)
- trivial topology (26 messages, latest: Jul 14 2024 at 07:26)
- norm_num not solving ennreal power goals (16 messages, latest: Jul 13 2024 at 22:24)
- using lean to prove programs in other languages (12 messages, latest: Jul 13 2024 at 21:45)
- Stack Overflow error (2 messages, latest: Jul 13 2024 at 21:43)
- ✔ How to write equal cardinalities (4 messages, latest: Jul 13 2024 at 15:42)
- Formalization of Lyapunov's second method for stability (2 messages, latest: Jul 13 2024 at 15:06)
- request - simple example with positivity (10 messages, latest: Jul 13 2024 at 13:12)
- failed to synthesize DecidablePred (4 messages, latest: Jul 13 2024 at 11:54)
- How do you formalise hierachies? (11 messages, latest: Jul 13 2024 at 08:16)
- match with toLex (16 messages, latest: Jul 12 2024 at 17:49)
- Eigenvalues of SRGs (4 messages, latest: Jul 12 2024 at 15:44)
- Proper way to define direct product of 2 modules (3 messages, latest: Jul 12 2024 at 14:57)
- Adding instances to Algebra/Order/Kleene.lean (6 messages, latest: Jul 12 2024 at 12:02)
- ✔ apply prod_mem (22 messages, latest: Jul 12 2024 at 09:22)
- Reuse mathlib compiled files in another project (5 messages, latest: Jul 11 2024 at 20:31)
- example of
positivity
tactic (12 messages, latest: Jul 11 2024 at 11:45) - reason why
rw
tactic is inappropriate vsrel
(4 messages, latest: Jul 11 2024 at 00:17) - ✔ Natural Number Game level 6 <= world (8 messages, latest: Jul 10 2024 at 23:39)
- Type mismatch error (7 messages, latest: Jul 10 2024 at 23:30)
- Failing to synthesize Finset Bind instance (2 messages, latest: Jul 10 2024 at 21:47)
- difference between
Type*
andType _
? (39 messages, latest: Jul 10 2024 at 17:15) - Fourier Transform for Schwartz function (4 messages, latest: Jul 10 2024 at 15:44)
- Inductive types in Prop – a comment in TPIL4 (6 messages, latest: Jul 10 2024 at 15:24)
- commgroup (9 messages, latest: Jul 10 2024 at 13:22)
- ✔ error: lake setup-file failed with invalid configuration (3 messages, latest: Jul 10 2024 at 12:46)
- ✔ How does lean synthesize implicit arguments? (8 messages, latest: Jul 10 2024 at 12:06)
- Cannot pattern match on custom inductive type (8 messages, latest: Jul 09 2024 at 22:56)
- ✔ Matrix proofs by calculation (18 messages, latest: Jul 09 2024 at 22:10)
- Program synthesis (3 messages, latest: Jul 09 2024 at 21:11)
- Explain induction in baby-steps. (9 messages, latest: Jul 09 2024 at 20:57)
- Are these pairs equivalent? (3 messages, latest: Jul 09 2024 at 19:11)
- ✔ how to simplify if/then/else? (5 messages, latest: Jul 09 2024 at 18:37)
- code generator does not support recursor '….rec' yet (24 messages, latest: Jul 09 2024 at 17:00)
- ✔ #check exists-intro and anonymous constructor (10 messages, latest: Jul 09 2024 at 16:50)
- what’s the rule for generating the rec function of an ind… (11 messages, latest: Jul 09 2024 at 13:42)
- ✔ beginner question about inequalities:
4 ≥ 4 by rel
? (10 messages, latest: Jul 09 2024 at 12:38) - Project (6 messages, latest: Jul 09 2024 at 12:07)
- lsp getInteractiveGoals and subexprPos? (13 messages, latest: Jul 09 2024 at 11:54)
- Marek (2 messages, latest: Jul 08 2024 at 23:07)
- ✔ Turing machine "Hello world"? (3 messages, latest: Jul 08 2024 at 22:11)
- Bayesian inference prover (6 messages, latest: Jul 08 2024 at 20:05)
- failed vs valid proof - beginner lesson to be learned? (2 messages, latest: Jul 08 2024 at 18:05)
- What functions are generated for inductive type? (10 messages, latest: Jul 08 2024 at 17:25)
- compound repeat first tactic no longer solves 3 and props (6 messages, latest: Jul 08 2024 at 16:51)
- ✔ Existential Specifics (7 messages, latest: Jul 08 2024 at 13:51)
- ✔ understanding what rel tactic does via failing simple p… (16 messages, latest: Jul 08 2024 at 11:57)
- Puzzled by a passage in TPIL4 (4 messages, latest: Jul 08 2024 at 07:30)
- Asking about VSCode Lean Features (8 messages, latest: Jul 08 2024 at 06:58)
- How to substitute a number in a hypothesis? (12 messages, latest: Jul 07 2024 at 20:43)
- Inductive type with Lists (3 messages, latest: Jul 07 2024 at 18:27)
- [leanc.exe: unspecified system_category error (error code: 2](topic/leanc.2Eexe.3A.20unspecified.20system_category.20error.20(error.20code.3A.202.html) (3 messages, latest: Jul 07 2024 at 16:14)
- How do I structure my proof? (6 messages, latest: Jul 07 2024 at 15:28)
- simplifying a chain of inequalities - LGG? (5 messages, latest: Jul 07 2024 at 10:06)
- Graph theory hierarchy (23 messages, latest: Jul 07 2024 at 09:16)
- ✔
rfl
tactic is indeed very powerful (7 messages, latest: Jul 07 2024 at 08:16) - dec_trivial in classical (33 messages, latest: Jul 07 2024 at 05:08)
- what is the name of applying an inequality called? (5 messages, latest: Jul 06 2024 at 21:55)
- evaluating polynomials (5 messages, latest: Jul 06 2024 at 17:28)
- ✔ Constructor For Implication (6 messages, latest: Jul 06 2024 at 15:11)
- ✔ Rewrite normal group? (7 messages, latest: Jul 06 2024 at 12:36)
- Track no. of recursive calls (6 messages, latest: Jul 06 2024 at 04:37)
- ✔ this was painful. (16 messages, latest: Jul 05 2024 at 20:28)
- ✔ Proving List.Sorted after a mergeSort (13 messages, latest: Jul 05 2024 at 20:27)
- Associated graded objects (modules/rings) (12 messages, latest: Jul 05 2024 at 07:50)
- Trying to prove that 1/n is cauchy (7 messages, latest: Jul 04 2024 at 22:07)
- Why are there so many ways for doing the same thing in Lean? (20 messages, latest: Jul 04 2024 at 17:23)
- proving something is false (19 messages, latest: Jul 04 2024 at 17:14)
- Replace vector with same vector of equivalent length (4 messages, latest: Jul 04 2024 at 15:32)
- Why does
simp
work differently for those two examples? (2 messages, latest: Jul 04 2024 at 12:45) - crash/loop
main
with #guard_msgs (8 messages, latest: Jul 04 2024 at 12:42) - Parser combinator library termination (6 messages, latest: Jul 04 2024 at 12:09)
add_assoc
breaksomega
vsNat.add_assoc
(3 messages, latest: Jul 04 2024 at 09:33)- announcement - beginner-friendly content (9 messages, latest: Jul 04 2024 at 09:12)
- ✔ changing tokenization rules? (13 messages, latest: Jul 04 2024 at 00:58)
- How to control the terms unfolded by
#reduce
? (3 messages, latest: Jul 03 2024 at 17:25) - ✔ Weird behavior of real numbers. (5 messages, latest: Jul 03 2024 at 15:36)
- Is there a way to quantify over all indexed unions? (1 message, latest: Jul 03 2024 at 14:45)
- Induction over list while keeping info about list (15 messages, latest: Jul 03 2024 at 13:33)
- lakefile.lean vs lean-toolchain for specifying lean version (9 messages, latest: Jul 03 2024 at 12:37)
- Proof: isField ss ∧ isMonoClass ss ↔ isSigmaField ss ? (1 message, latest: Jul 03 2024 at 11:39)
- ✔ How to lower a real inequality when all values are inte… (4 messages, latest: Jul 03 2024 at 08:07)
- ✔ simp_all issue? (8 messages, latest: Jul 03 2024 at 07:46)
- update to 4.9.0 problems (16 messages, latest: Jul 03 2024 at 00:51)
- How to use
apply?
effectively (6 messages, latest: Jul 02 2024 at 22:17) - actual meaning of
:=
(4 messages, latest: Jul 02 2024 at 16:56) - How to show definitional equality (3 messages, latest: Jul 02 2024 at 16:20)
- Union of two types? (5 messages, latest: Jul 02 2024 at 13:27)
- Full BNF syntax? (8 messages, latest: Jul 02 2024 at 09:38)
- downloading elan and lean4 (2 messages, latest: Jul 02 2024 at 04:57)
- Manually simplify match tactic (5 messages, latest: Jul 02 2024 at 03:19)
- Lean not considering a proposition as decidable (14 messages, latest: Jul 01 2024 at 16:05)
- is lean really catching that \(n \in ℕ ≥ 0\) ? (24 messages, latest: Jul 01 2024 at 14:24)
- ✔ lean code highlighting with highlightjs or prismjs (html) (15 messages, latest: Jul 01 2024 at 08:22)
- How to make a decidable instance computable? (4 messages, latest: Jul 01 2024 at 06:02)
- Unfolding Category Theory definitions (4 messages, latest: Jul 01 2024 at 01:55)
- ✔ mulList_distrib_addList (3 messages, latest: Jul 01 2024 at 01:43)
- Simple example of
decreasing_by
for Ordering matching (6 messages, latest: Jun 30 2024 at 21:38) - Alex Ness (3 messages, latest: Jun 30 2024 at 19:32)
- How to prove (Set.univ : Set (Fin 2)) = Ω (MeasureTheory) (6 messages, latest: Jun 30 2024 at 18:57)
- Lean not unfolding definition (4 messages, latest: Jun 30 2024 at 18:23)
- How to understand delimiters used in Lean structures? (6 messages, latest: Jun 30 2024 at 17:06)
- Symmetric function as constructor of inductive type (4 messages, latest: Jun 30 2024 at 13:24)
- ✔ IsaacDynamo - Mockingbird puzzle assistant (7 messages, latest: Jun 30 2024 at 12:21)
- addList_assoc (5 messages, latest: Jun 30 2024 at 06:51)
- Universe constraints! (11 messages, latest: Jun 29 2024 at 23:49)
- How to synthesize Vector Membership (7 messages, latest: Jun 29 2024 at 09:17)
- Number of instances of a type class (5 messages, latest: Jun 28 2024 at 18:43)
- Cardinality of a finite set (11 messages, latest: Jun 28 2024 at 17:44)
- Is the Poincaré–Birkhoff–Witt theorem in Mathlib? (3 messages, latest: Jun 28 2024 at 07:03)
- Abelianization/FreeCommMonoid (9 messages, latest: Jun 28 2024 at 04:20)
- opposite angles of quadrilateral are equal (3 messages, latest: Jun 27 2024 at 22:00)
- Using custom
Repr
of inductive type (14 messages, latest: Jun 27 2024 at 21:22) - ✔ Type class instance for dependent type (4 messages, latest: Jun 27 2024 at 18:41)
- How do I run a def-like command from inside a run_cmd? (13 messages, latest: Jun 27 2024 at 17:46)
- integerness of sum of sqrt (18 messages, latest: Jun 27 2024 at 09:15)
- proofs as rewrites but how do numbers appear? (42 messages, latest: Jun 27 2024 at 07:32)
- What parsers parses the "(ab : α×β)" in a "fun … => …"? (16 messages, latest: Jun 27 2024 at 04:18)
- ✔ Order Chain Indexing (22 messages, latest: Jun 26 2024 at 17:40)
- ✔ Why do we need
mul_left_comm
insimp
? (6 messages, latest: Jun 26 2024 at 17:02) - ✔ Proving that my prime sieve works (3 messages, latest: Jun 26 2024 at 16:46)
- Can you explain the .{u} notation? (10 messages, latest: Jun 26 2024 at 14:56)
- Exists.choose and equality (3 messages, latest: Jun 26 2024 at 14:10)
- Help me prove sqrt(6) is irrational? (7 messages, latest: Jun 26 2024 at 08:24)
- Type mismatch error with coercion (8 messages, latest: Jun 26 2024 at 07:43)
- Induction, "index in target's type is not a variable…" (6 messages, latest: Jun 25 2024 at 21:35)
- Arshak Parsa (1 message, latest: Jun 25 2024 at 18:58)
- Substitution for equivalent types (7 messages, latest: Jun 25 2024 at 16:51)
- References on the (non-kernel!) type theory of Lean? (20 messages, latest: Jun 25 2024 at 16:01)
- Cast vector into one with equivalent length (7 messages, latest: Jun 25 2024 at 15:45)
- Binary addition (10 messages, latest: Jun 25 2024 at 11:51)
- ✔ Failed to complete the proof with
mul_sub
(13 messages, latest: Jun 25 2024 at 08:43) - simple proof (8 messages, latest: Jun 25 2024 at 06:40)
- Issue with tutorial code (7 messages, latest: Jun 25 2024 at 06:01)
- Bochner integral (2 messages, latest: Jun 25 2024 at 05:27)
- exact is unexpectedly slower than simp_all (10 messages, latest: Jun 25 2024 at 01:01)
- invalid pattern, constructor marked with '[match pattern]' (31 messages, latest: Jun 25 2024 at 00:50)
- How does Lean filter simplification rules? (2 messages, latest: Jun 24 2024 at 23:54)
- ✔ typeclass error (3 messages, latest: Jun 24 2024 at 22:00)
- Understanding pattern matching on functions? (5 messages, latest: Jun 24 2024 at 21:32)
- ✔ Better way to get DecidableEq, Finset, etc. instances? (5 messages, latest: Jun 24 2024 at 21:23)
- ✔ Custom Product Ordering Leading to type class Error (21 messages, latest: Jun 24 2024 at 20:43)
Finset.filter
withoutDecidable
(4 messages, latest: Jun 24 2024 at 17:39)- Comparing expressive power of various first order languages (2 messages, latest: Jun 24 2024 at 13:41)
- Installation trouble (3 messages, latest: Jun 24 2024 at 11:05)
- mathematics-in-lean (8 messages, latest: Jun 24 2024 at 08:06)
- ✔ About Relation (5 messages, latest: Jun 24 2024 at 05:44)
- codestyle checker? (6 messages, latest: Jun 24 2024 at 02:52)
- If a finite number of propositions are decidable (3 messages, latest: Jun 23 2024 at 18:46)
- Termination issue with List function (15 messages, latest: Jun 23 2024 at 17:29)
- Animating type inferences (8 messages, latest: Jun 23 2024 at 01:18)
- ✔ How does Lean "synthesize" a "get" inside a "do"? (40 messages, latest: Jun 23 2024 at 01:00)
- Checking my understanding of Lean's type theory (2 messages, latest: Jun 22 2024 at 20:53)
- A minimal state monad? (5 messages, latest: Jun 22 2024 at 13:05)
- Odd and even numbers without witness (13 messages, latest: Jun 22 2024 at 10:39)
- ✔ Where is the Theorem on the Structure of Single Algebra… (18 messages, latest: Jun 22 2024 at 10:30)
- ✔ About extension fields. (6 messages, latest: Jun 22 2024 at 10:28)
- ✔ does lean support varargs for functions? (4 messages, latest: Jun 21 2024 at 18:48)
- Notation for instance of dependent type? (25 messages, latest: Jun 21 2024 at 17:32)
- precedence paradox (31 messages, latest: Jun 21 2024 at 17:19)
- Simple induction proof as a newbie (38 messages, latest: Jun 21 2024 at 15:18)
- I accidentally proved 2=3 (9 messages, latest: Jun 21 2024 at 14:14)
- correct use of
by
(12 messages, latest: Jun 21 2024 at 13:26) - An Arrow instance for Lean functions (4 messages, latest: Jun 21 2024 at 10:54)
- unknown identifier 'begin'; unexpected token ',' (14 messages, latest: Jun 21 2024 at 07:56)
- ✔ Some questions about the implicit argument (13 messages, latest: Jun 21 2024 at 03:37)
- Why types all the way up but not all the way down? (36 messages, latest: Jun 21 2024 at 00:08)
- Importing Packages using Web-version of Lean (10 messages, latest: Jun 20 2024 at 23:44)
- What would happen using proof as data? (7 messages, latest: Jun 20 2024 at 17:26)
- Forall exists in assumption of an inductive (11 messages, latest: Jun 20 2024 at 17:04)
- I don't know how to make VS Code work, I've tried so much (8 messages, latest: Jun 20 2024 at 16:16)
- ✔ How to prove some really trivial but tedious cases spli… (4 messages, latest: Jun 20 2024 at 15:41)
- ✔ Any Code for "Fundamental Theorem of Symmetric Polynomi… (6 messages, latest: Jun 20 2024 at 15:30)
- terminology for parts of a lean proof (27 messages, latest: Jun 20 2024 at 12:10)
- How to fix this? (11 messages, latest: Jun 20 2024 at 12:08)
- ✔ Elaborators for other syntax categories? (8 messages, latest: Jun 19 2024 at 23:01)
- why is code sometimes in colour and sometimes not? (5 messages, latest: Jun 19 2024 at 21:57)
- How to use a hashmap? (10 messages, latest: Jun 19 2024 at 21:43)
- ✔ Problem with MvPolynomial.finSuccEquiv and Fin.cases (6 messages, latest: Jun 19 2024 at 19:27)
- Symmetric group (47 messages, latest: Jun 19 2024 at 19:08)
- ✔ Belonging to union imp belonging to member (5 messages, latest: Jun 19 2024 at 18:49)
- Where is
deriving Fintype
defined? (6 messages, latest: Jun 19 2024 at 16:52) - Finite probability spaces implementations (10 messages, latest: Jun 19 2024 at 15:06)
- Natural Numbers Game Level No Solution? (9 messages, latest: Jun 19 2024 at 14:59)
- ✔ Field assignments in structures (4 messages, latest: Jun 19 2024 at 14:48)
- ✔ what is
class
attribute (13 messages, latest: Jun 19 2024 at 13:23) - prove 2 different inequalities with one function? (2 messages, latest: Jun 19 2024 at 12:58)
- Solving induction proof without dependent induction (1 message, latest: Jun 19 2024 at 12:49)
- VS Code: Theorem Proving in Lean (Table of Contents Toggle) (5 messages, latest: Jun 19 2024 at 12:20)
- merge or rebase when updating non-master branch of mathlib? (9 messages, latest: Jun 19 2024 at 10:50)
- Define equality for custom inductive types? (12 messages, latest: Jun 19 2024 at 10:25)
- dependent elimination failed (7 messages, latest: Jun 19 2024 at 06:02)
- Why are olean files so big? (4 messages, latest: Jun 19 2024 at 00:07)
- I made a language! (algograph) (6 messages, latest: Jun 18 2024 at 23:59)
- (beginner maths) stating which things are natural numbers (5 messages, latest: Jun 18 2024 at 17:40)
- ✔ Split b ⊓ c ≤ (a ⊔ b) ⊓ (a ⊔ c) into cases (8 messages, latest: Jun 18 2024 at 17:03)
- Type conversion by simp doesn't make sense (9 messages, latest: Jun 18 2024 at 11:43)
- ✔ How to create a hashmap? (18 messages, latest: Jun 18 2024 at 11:42)
- ✔ Should i use local recursive functions inside my functi… (6 messages, latest: Jun 18 2024 at 10:40)
- Type errors investigation (2 messages, latest: Jun 17 2024 at 20:59)
- Platonism in Lean? (11 messages, latest: Jun 17 2024 at 19:24)
- ✔ Implementation of monoid/group homs (6 messages, latest: Jun 17 2024 at 15:36)
- How to write a Parser for lean (4 messages, latest: Jun 17 2024 at 15:28)
- failed to synthesize CategoryStruct (7 messages, latest: Jun 17 2024 at 05:36)
- Can you help with this experimental expander? (2 messages, latest: Jun 17 2024 at 05:17)
- Open Polynomials PR (8 messages, latest: Jun 16 2024 at 21:49)
- Sugar-free Semigroup (15 messages, latest: Jun 16 2024 at 19:56)
- ✔ second number in info view messages (after line number) (3 messages, latest: Jun 16 2024 at 19:35)
- functions that call partial functions not have to be partial (14 messages, latest: Jun 16 2024 at 18:37)
- what is (deterministic) timeout at 'isDefEq' ? (23 messages, latest: Jun 16 2024 at 12:21)
- messed up updating mathlib (9 messages, latest: Jun 16 2024 at 09:27)
- Using Lean like a CAS (1 message, latest: Jun 16 2024 at 04:48)
- ✔ linarith vs norm_num (3 messages, latest: Jun 15 2024 at 23:28)
- Copy-pasting identity matrix from infoview (11 messages, latest: Jun 15 2024 at 21:18)
- underscore symbol (5 messages, latest: Jun 15 2024 at 20:58)
- proper names for parts of a lean proof (beginner) (9 messages, latest: Jun 15 2024 at 20:50)
- Axiomatic projective geometry with morphisms (3 messages, latest: Jun 15 2024 at 20:24)
- Dealing with "partial" functions (4 messages, latest: Jun 15 2024 at 19:11)
- ✔ how to use
library_note
? (18 messages, latest: Jun 15 2024 at 18:42) - "require from git" works in Emacs but not in the shell (10 messages, latest: Jun 15 2024 at 16:16)
- simpler tactic than linarith for < > comparisons? (beginner) (2 messages, latest: Jun 15 2024 at 13:36)
- Diverging match statement (9 messages, latest: Jun 15 2024 at 10:53)
- my first minimum proof - did I do it right? (5 messages, latest: Jun 15 2024 at 07:41)
- problem with different types (7 messages, latest: Jun 15 2024 at 02:15)
- ✔ Mismatch: Subtype.preorder vs PartialOrder.toPreorder (31 messages, latest: Jun 14 2024 at 20:59)
- branches/different versions of lean… (4 messages, latest: Jun 14 2024 at 20:58)
- ✔ showing parentheses (3 messages, latest: Jun 14 2024 at 20:33)
- Lean4 projects in varied subdirectories in a container (16 messages, latest: Jun 14 2024 at 20:25)
- Accessing hypotheses in if/else definitions (5 messages, latest: Jun 14 2024 at 20:25)
- Oddities with functors (6 messages, latest: Jun 14 2024 at 18:45)
- ✔ How to test a syntax (16 messages, latest: Jun 14 2024 at 18:23)
- ✔ y ∈ K(y) (3 messages, latest: Jun 14 2024 at 15:12)
- Prove equality of sums over Fin n (2 messages, latest: Jun 14 2024 at 14:23)
- why doesn't this fail? (beginner example) (80 messages, latest: Jun 14 2024 at 13:14)
- 2^n = 2^m => n = m? (15 messages, latest: Jun 14 2024 at 12:06)
- noncomputable theory (4 messages, latest: Jun 14 2024 at 11:01)
- Recursive RBSet in an inductive (12 messages, latest: Jun 13 2024 at 21:53)
- function-def theorem idioms (4 messages, latest: Jun 13 2024 at 21:45)
- fail to synthesize (14 messages, latest: Jun 13 2024 at 17:14)
- further reading about why
a/0 = 0
anda \in ℕ, a=4/3
(5 messages, latest: Jun 13 2024 at 16:06) - ✔ About quotient group. (7 messages, latest: Jun 13 2024 at 15:39)
- ✔ Why is there a contradiction? (9 messages, latest: Jun 13 2024 at 13:24)
- Missing theorems list (20 messages, latest: Jun 13 2024 at 10:49)
- ✔ Definition of
WithTop.instInfSet
(9 messages, latest: Jun 13 2024 at 06:59) - ✔ from variables to functions (beginner question) (8 messages, latest: Jun 13 2024 at 03:05)
- Differentiability of a function defined using
list.foldr
(3 messages, latest: Jun 13 2024 at 01:34) - Is there a variant of repr that "prints the type"? (12 messages, latest: Jun 12 2024 at 18:53)
- 0 x = 0 (5 messages, latest: Jun 12 2024 at 17:59)
- [✔ Type and Type](topic/.E2.9C.94.20Type.20and.20Type.html) (12 messages, latest: Jun 12 2024 at 15:34)
- Stuck at totality proof in natural numbers game (32 messages, latest: Jun 12 2024 at 14:13)
- ✔ choose two : classical reasoning (4 messages, latest: Jun 11 2024 at 23:05)
- ✔ what is
:=
called? (9 messages, latest: Jun 11 2024 at 21:33) - encouraging beginners (8 messages, latest: Jun 11 2024 at 19:59)
- Difference between
match h with
andcases h with
(2 messages, latest: Jun 11 2024 at 17:56) - Making a function's output type dependant on its input (8 messages, latest: Jun 11 2024 at 17:06)
- Install lean4 on windows (27 messages, latest: Jun 11 2024 at 16:43)
- Tooling: Line-by-line checking for lean? (7 messages, latest: Jun 11 2024 at 13:01)
- what are modes? (4 messages, latest: Jun 11 2024 at 11:27)
- mathlib for a specific lean version (3 messages, latest: Jun 11 2024 at 08:36)
- stuck at solving universe constraint (14 messages, latest: Jun 11 2024 at 03:20)
- prove that perserving pullback also preserves pullback.map? (26 messages, latest: Jun 11 2024 at 02:30)
- ✔ Provability in first-order PA (10 messages, latest: Jun 11 2024 at 02:16)
- simplest way to create a vscode folder of lean files? (8 messages, latest: Jun 11 2024 at 01:06)
- Need help to debug an import - and maybe a lakefile (15 messages, latest: Jun 10 2024 at 20:22)
- ✔ Discussion: Making Your Lean Code More Readable (26 messages, latest: Jun 10 2024 at 18:53)
- ✔ Dot operator in infoview (9 messages, latest: Jun 10 2024 at 17:48)
- ✔ Using wlog (?) for symmetric arguments in normality proof (9 messages, latest: Jun 10 2024 at 17:02)
- Bundled category and typeclass inference (6 messages, latest: Jun 10 2024 at 15:55)
- ✔ Proving ` (a : α) : (∃ x, p x → r) ↔ (∀ x, p x) → r` (11 messages, latest: Jun 10 2024 at 14:06)
- Diable
aesop
temporally in a definition (4 messages, latest: Jun 10 2024 at 06:58) - ✔ Lean4 equivalent of library_search and suggest (6 messages, latest: Jun 10 2024 at 04:38)
- Proving
¬ DifferentiableAt
(8 messages, latest: Jun 09 2024 at 21:50) - Classical unknown identifier 'not_imp' (6 messages, latest: Jun 09 2024 at 21:18)
- Announcement: LuaTreeLean (1 message, latest: Jun 09 2024 at 16:24)
- Self-contained "minimal" implementation of ℝ in Lean? (12 messages, latest: Jun 09 2024 at 15:30)
- unitor for product of categories? (4 messages, latest: Jun 09 2024 at 13:17)
- Simplifying hidden function coercion mess (14 messages, latest: Jun 09 2024 at 09:34)
- Contributing to Mathlib (11 messages, latest: Jun 09 2024 at 08:04)
- Deriving Repr when there are dependent proofs (45 messages, latest: Jun 09 2024 at 08:00)
- (𝟙 X, 𝟙 Y) failed to infer type in Product category (4 messages, latest: Jun 09 2024 at 06:43)
- floor of Real (28 messages, latest: Jun 09 2024 at 06:38)
- ✔ How to work with square roots (4 messages, latest: Jun 09 2024 at 03:19)
- Type inference and polymorphism (14 messages, latest: Jun 08 2024 at 18:08)
- I could benefit from a half-hour "one-on-one" (12 messages, latest: Jun 08 2024 at 17:28)
- How does
decreasing_tactic
work? (1 message, latest: Jun 08 2024 at 14:09) - ✔ Exterior power linear map (9 messages, latest: Jun 08 2024 at 11:50)
- How to simplify a function that uses inductionOn? (10 messages, latest: Jun 08 2024 at 09:12)
- How to "deconstruct" ordinal comparison? (17 messages, latest: Jun 08 2024 at 03:24)
- Why does using
sorry
for my lemma affectsimp
later? (10 messages, latest: Jun 08 2024 at 00:34) - VSCODE outline mode not working in imports (8 messages, latest: Jun 07 2024 at 23:33)
- Manipulate function containing inductionOn (5 messages, latest: Jun 07 2024 at 20:28)
- taking a setoid apart (6 messages, latest: Jun 07 2024 at 17:45)
- Minimal setup for importing .lean files in the same director (1 message, latest: Jun 07 2024 at 16:12)
- ✔ Proving
(∀ x, p x) ↔ ¬ (∃ x, ¬ p x)
(4 messages, latest: Jun 07 2024 at 15:52) - Basic set equalities (e.g.
(s \ t)ᶜ = sᶜ ∪ t
) (17 messages, latest: Jun 07 2024 at 15:16) - Why is this function not failing (13 messages, latest: Jun 07 2024 at 14:01)
- ✔ Different LE instances on same type (12 messages, latest: Jun 07 2024 at 11:25)
- Contributing a strong induction for lists (12 messages, latest: Jun 07 2024 at 09:30)
- ✔ NNReals as exponents (3 messages, latest: Jun 07 2024 at 05:12)
- ✔ Equality between NNReal and Real (4 messages, latest: Jun 07 2024 at 03:46)
- ✔ Fighting with termination on data structures with Lists (12 messages, latest: Jun 07 2024 at 02:55)
- specifying metavariable (19 messages, latest: Jun 06 2024 at 21:31)
- ✔ Trivial Module (5 messages, latest: Jun 06 2024 at 20:58)
- the strictness theorem and the coherence theorem for mono… (2 messages, latest: Jun 06 2024 at 14:17)
- ✔ How to replace forward reasoning Coq's apply in, in lean (10 messages, latest: Jun 06 2024 at 12:26)
- Inspecting simp (7 messages, latest: Jun 06 2024 at 08:51)
- ✔ Turning Subset of Subtype into a Subset of the initial … (17 messages, latest: Jun 05 2024 at 19:57)
- Dealing with breaking changes (4 messages, latest: Jun 05 2024 at 17:54)
- support for lean4 in latex listings package (13 messages, latest: Jun 05 2024 at 12:27)
- ✔ check all files imported (17 messages, latest: Jun 05 2024 at 11:03)
- ✔ Tactic abstraction (10 messages, latest: Jun 05 2024 at 10:51)
- ✔ mysterious
sorryAx ?m.27373 true
(17 messages, latest: Jun 05 2024 at 08:35) - ✔ Possible Bug: rw works on one assumption but not on ano… (15 messages, latest: Jun 05 2024 at 07:11)
- ✔ Question about "classical exists" (7 messages, latest: Jun 04 2024 at 23:22)
- ✔ Proofs with ceilDiv - addition is less-or-equal (41 messages, latest: Jun 04 2024 at 21:35)
- Omega with Field not working properly? (7 messages, latest: Jun 04 2024 at 19:47)
- How to use Finset.Nonempty.cons_induction in induction using (28 messages, latest: Jun 04 2024 at 18:33)
- Implementing a functor category (20 messages, latest: Jun 04 2024 at 18:29)
- Proof by cases (4 messages, latest: Jun 04 2024 at 17:56)
- syntax / structure of (most common) proofs? (6 messages, latest: Jun 04 2024 at 07:23)
- Requesting review: ℕ, ℤ and ℚ implemented from scratch (11 messages, latest: Jun 04 2024 at 05:21)
- run_cmd, monads, and tests for their methods (4 messages, latest: Jun 04 2024 at 00:59)
- help with relations in a logic puzzle (11 messages, latest: Jun 03 2024 at 21:40)
- ✔ using
let
(5 messages, latest: Jun 03 2024 at 17:55) - Words, concatenation, and finiteness (2 messages, latest: Jun 03 2024 at 17:49)
- ✔ Why can't I prove this with rfl? (5 messages, latest: Jun 03 2024 at 17:48)
- ✔ Overwriting part of class (2 messages, latest: Jun 03 2024 at 16:10)
- how to show termination of McCarthy
M
(5 messages, latest: Jun 03 2024 at 15:37) - ✔ Prove
¬(p ↔ ¬p)
without using classical logic. (11 messages, latest: Jun 03 2024 at 15:16) - Setting up Lean project (4 messages, latest: Jun 03 2024 at 11:06)
- "failed to synthesize instance ToLuaTree Name" inside "insta (5 messages, latest: Jun 03 2024 at 00:53)
- Question regarding the natural numbers game (3 messages, latest: Jun 02 2024 at 23:25)
- Inequalities with cast (4 messages, latest: Jun 02 2024 at 22:34)
- Typeclass inference question (4 messages, latest: Jun 02 2024 at 20:57)
- How to perform selective rw on an expression in Lean? (7 messages, latest: Jun 02 2024 at 19:07)
- which import statement(s) for beginners? (12 messages, latest: Jun 02 2024 at 09:30)
- ✔ Induction with different universes (14 messages, latest: Jun 02 2024 at 07:04)
- ✔ g(x)= x-k & g(x)=0 → x=k (10 messages, latest: Jun 01 2024 at 23:34)
- Tensor: Try to use function to compute function type (15 messages, latest: Jun 01 2024 at 21:26)
- ✔ Why doesn't Asymptotics.isLittleO_iff_tendsto.mpr work? (5 messages, latest: Jun 01 2024 at 19:02)
- ✔ Pulling out an existential with choice (6 messages, latest: Jun 01 2024 at 17:34)
- ✔ Same ground type, inhabited Sets => same default? (11 messages, latest: Jun 01 2024 at 15:58)
- ✔ failed to synthesize instance Inhabited Color (5 messages, latest: Jun 01 2024 at 15:16)
- ✔ Basic Theorems on custom Complete Lattice structure (12 messages, latest: Jun 01 2024 at 13:31)
- ✔ simp-normal form (8 messages, latest: Jun 01 2024 at 13:21)
- beginner error with ring tactic (11 messages, latest: Jun 01 2024 at 11:56)
- beginner trouble with "by extra" (3 messages, latest: Jun 01 2024 at 11:48)
- Chaining/gluing theorems (2 messages, latest: Jun 01 2024 at 04:17)
- ✔ How to use
False
in a proof? (7 messages, latest: May 31 2024 at 17:35) - Specify types of arrows (1 message, latest: May 31 2024 at 14:54)
- ✔ Invalid Projection (19 messages, latest: May 31 2024 at 14:48)
- ✔ Proof strategies for foldl? (10 messages, latest: May 31 2024 at 13:46)
- There is more than one way to do it (7 messages, latest: May 31 2024 at 11:23)
- ✔ Is there a way to pick up a proof from where Tauto left… (10 messages, latest: May 31 2024 at 08:52)
- ✔ zpow_neg in Reals (5 messages, latest: May 31 2024 at 07:31)
- ":= ⟨bar.foo⟩" vs "where foo := bar.foo" (6 messages, latest: May 30 2024 at 20:13)
- ✔ "@& Type" vs "Type" (7 messages, latest: May 30 2024 at 19:46)
- Puzzled by an example on types (9 messages, latest: May 30 2024 at 16:34)
- Question about Nat.le.refl (4 messages, latest: May 30 2024 at 14:56)
- Confused about induction tactics (34 messages, latest: May 30 2024 at 13:44)
- ∃N, N=(p1p2p3…pn)+1, p∊P, N∉P (10 messages, latest: May 30 2024 at 08:40)
- ✔ Waiting for Lean server to start… (8 messages, latest: May 30 2024 at 06:19)
- SSet is RegularEpiCategory (14 messages, latest: May 30 2024 at 05:36)
- hello (191 messages, latest: May 29 2024 at 21:32)
- What contributes to a function slowing down in Lean? (3 messages, latest: May 29 2024 at 10:59)
- ref to docs in zulip (8 messages, latest: May 29 2024 at 04:46)
- Implementing floor division (for ℕ) from scratch (8 messages, latest: May 28 2024 at 23:42)
- How to create alias inside tactic mode (3 messages, latest: May 28 2024 at 22:15)
- Mathematics in Lean - (-0) vs 0 (29 messages, latest: May 28 2024 at 20:12)
- ✔ Tactic between simp and aesop (7 messages, latest: May 28 2024 at 18:26)
- ✔ inverse function is continuous (10 messages, latest: May 28 2024 at 17:55)
- Need help with compiling extra .c file with Lake (3 messages, latest: May 28 2024 at 15:12)
- ✔ Trouble with Order constructors (9 messages, latest: May 28 2024 at 13:27)
- ✔ usage of docker container (10 messages, latest: May 28 2024 at 12:37)
- Hadamard's Lemma (2 messages, latest: May 28 2024 at 12:14)
- Is this a bug in the interaction between subtypes,
Prod
? (4 messages, latest: May 28 2024 at 11:50) - Eval with Prop (8 messages, latest: May 28 2024 at 05:13)
- ✔ Proving
¬p ∨ ¬q ↔ ¬(p ∧ q)
(4 messages, latest: May 28 2024 at 03:36) - ✔ Usage of
bif
(9 messages, latest: May 28 2024 at 01:39) - Detecting Endianness (1 message, latest: May 27 2024 at 20:10)
- Defining ℤ in Lean (32 messages, latest: May 27 2024 at 19:05)
- ✔ lean intro to logic game (25 messages, latest: May 27 2024 at 15:32)
- How to use negative numbers? (4 messages, latest: May 27 2024 at 10:44)
- ✔ Natural Number Game question (5 messages, latest: May 27 2024 at 08:52)
- ✔ Feedback for a proof (9 messages, latest: May 27 2024 at 08:36)
- ✔ rfl error (12 messages, latest: May 27 2024 at 07:36)
- "rw at" in term mode? (6 messages, latest: May 27 2024 at 07:25)
- Stuck on fun in hypothesis (11 messages, latest: May 26 2024 at 20:37)
- Lean become slow after the file reached 300~400 lines (28 messages, latest: May 26 2024 at 17:42)
- Tools for exploring data structures? (3 messages, latest: May 26 2024 at 05:03)
- ✔ Undergrad Math Contribution (10 messages, latest: May 26 2024 at 02:27)
- ✔ Doubts about usage of theorems (14 messages, latest: May 25 2024 at 22:35)
- ✔ How to extract inverse function of "Set.BijOn" (7 messages, latest: May 25 2024 at 17:35)
- ✔ How is lean able to terminate this function? (7 messages, latest: May 25 2024 at 13:12)
- BigOperators for Multiset? (26 messages, latest: May 25 2024 at 11:19)
- Is the Zulip chat data available for noncommercial use? (6 messages, latest: May 25 2024 at 08:12)
- Write access (16 messages, latest: May 25 2024 at 00:29)
- Errors upgrading Mathlib (5 messages, latest: May 24 2024 at 20:22)
- ✔ Where is "decidable_rec" defined? (12 messages, latest: May 24 2024 at 19:32)
- ✔ requesting review (5 messages, latest: May 24 2024 at 18:28)
- Redundant alternative (8 messages, latest: May 24 2024 at 17:07)
- ✔ λ x y ↦ x : has type (x : ?m.347) → ?m.352 x → ?m.347 (9 messages, latest: May 24 2024 at 15:27)
- ✔ Dividing Both Sides Of An Equation By A Constant (25 messages, latest: May 24 2024 at 13:43)
- Proof over indexed? sum and indexed? set… (33 messages, latest: May 24 2024 at 07:00)
- How to use let? (4 messages, latest: May 24 2024 at 03:47)
- Natural Number Game (171 messages, latest: May 23 2024 at 18:16)
- ∑' and SDiff (5 messages, latest: May 23 2024 at 14:56)
- MIL set acceptSuggestionOnEnter off in vsocde (2 messages, latest: May 23 2024 at 13:50)
- ✔ Extracting elements from Summation (8 messages, latest: May 23 2024 at 13:30)
- Can two cones be proved equal? (11 messages, latest: May 23 2024 at 10:09)
- How do I take the derivative of a rational function? (7 messages, latest: May 22 2024 at 20:08)
- ✔ Apply inside BigOperators (6 messages, latest: May 22 2024 at 18:10)
- How do I implement "fst" using Prod.rec? (6 messages, latest: May 22 2024 at 12:52)
- Mathematics in Lean, CRT - Notation confusion (8 messages, latest: May 22 2024 at 12:15)
- ✔ How to fix "cannot find synthesization order for instance" (5 messages, latest: May 22 2024 at 04:43)
- how to prove this integral by FTC? (1 message, latest: May 22 2024 at 02:26)
- rewriting
forall m in S
(20 messages, latest: May 21 2024 at 15:43) - ✔ Subtype LE instance fails on defined predicate (3 messages, latest: May 21 2024 at 15:28)
- ✔ Multiset from the product of a Finset and a Multiset? (4 messages, latest: May 21 2024 at 14:55)
- Newbie question: How to apply
rfl
for every possible input (18 messages, latest: May 21 2024 at 13:11) - prove that parallelPair commutes with functor? (6 messages, latest: May 21 2024 at 13:07)
- How to modify the statement (2 messages, latest: May 21 2024 at 09:25)
- ✔ Can lean-web editor change version? (32 messages, latest: May 21 2024 at 06:08)
- Lean Server stopping repeatedly (3 messages, latest: May 21 2024 at 01:02)
- Using implicit parameters (2 messages, latest: May 20 2024 at 22:51)
- help proof this (3 messages, latest: May 20 2024 at 21:42)
- ✔ How does rfl manage this? (12 messages, latest: May 20 2024 at 20:19)
- Glue map from finite intermediate field (3 messages, latest: May 20 2024 at 18:48)
- Help for reviewing and improving a code for coyoneda and … (6 messages, latest: May 20 2024 at 18:11)
- ✔ "Don't know how to synthesize implicit argument" error (11 messages, latest: May 20 2024 at 16:55)
- Church-encoded free monad (5 messages, latest: May 20 2024 at 16:41)
- ✔ Set subtype image (5 messages, latest: May 20 2024 at 16:36)
- \dagger ? (8 messages, latest: May 20 2024 at 16:33)
- Extracting block out of a matrix (12 messages, latest: May 20 2024 at 16:25)
- How do I translate Agda's "postulate" to Lean? (7 messages, latest: May 20 2024 at 12:30)
- How to constrain the elements in a bst to be an Ord (3 messages, latest: May 20 2024 at 10:58)
- How to add a variable? (6 messages, latest: May 20 2024 at 09:41)
- Lost a sidebar (6 messages, latest: May 20 2024 at 09:25)
- "Almost every" on outer measures (17 messages, latest: May 19 2024 at 21:19)
- Show the basis vectors of R^n sum to R^n (21 messages, latest: May 19 2024 at 18:05)
- ✔ how to deal with the derivative here (12 messages, latest: May 19 2024 at 17:55)
- Where is this shorthand for match documented? (5 messages, latest: May 19 2024 at 16:54)
- how to do variable substitute? (2 messages, latest: May 19 2024 at 16:27)
- Can't synthesize argument (5 messages, latest: May 18 2024 at 20:03)
- A command that prints the current namespace? (11 messages, latest: May 18 2024 at 15:12)
- DecidableEq causing type problem (12 messages, latest: May 18 2024 at 13:00)
- Term Mode vs. Tactic Mode (9 messages, latest: May 18 2024 at 08:32)
- "Unknown fvar" (17 messages, latest: May 18 2024 at 03:39)
- leading_parser? (17 messages, latest: May 18 2024 at 03:37)
- Lean 4 tactics list (10 messages, latest: May 17 2024 at 19:09)
- How to manipulate rational numbers algebraically (5 messages, latest: May 17 2024 at 18:01)
- Dismiss absurd case in if-else definition (10 messages, latest: May 17 2024 at 17:12)
- Need help with Multiset.filter (3 messages, latest: May 17 2024 at 15:28)
- Remove decide … = true from Bool hypothesis (4 messages, latest: May 17 2024 at 14:01)
- contrapose reverting
Prop
asforall
(3 messages, latest: May 17 2024 at 13:35) - Shorten if-else statements (8 messages, latest: May 17 2024 at 09:25)
- Applying tactic
cases
on a non-variable (9 messages, latest: May 17 2024 at 09:12) - How do I write a "#check_syntax"? (9 messages, latest: May 17 2024 at 06:37)
- ✔ Newbie question:
unknown identifier 'Implies'
(7 messages, latest: May 17 2024 at 04:27) - Mechanics of Proof 2.1 (10 messages, latest: May 16 2024 at 20:45)
- Import file from same directory (12 messages, latest: May 16 2024 at 16:04)
- Unable to use List.map with List.get (5 messages, latest: May 16 2024 at 01:45)
- Coerce array to subarray at fn call site (12 messages, latest: May 15 2024 at 21:40)
- Uncaught Exception with List.foldlM ? (4 messages, latest: May 15 2024 at 20:57)
- ✔ Auto-identify isomorphic structures w.r.t. cartesian po… (5 messages, latest: May 15 2024 at 20:01)
- Having trouble converting Nat to generic type (5 messages, latest: May 15 2024 at 18:44)
- Unclear what the state to proof means (16 messages, latest: May 15 2024 at 11:13)
- Information lost during conversion of List Fin to nestedlist (4 messages, latest: May 15 2024 at 08:09)
- ✔ Sets as Types on Domain Theory Structures (4 messages, latest: May 15 2024 at 08:08)
- proof ideas (70 messages, latest: May 15 2024 at 02:31)
- Adding DFA regular expression equivalence to mathlib (32 messages, latest: May 14 2024 at 18:50)
- equivIsoLimit for cones over different diagrams? (11 messages, latest: May 14 2024 at 18:37)
- ✔ Installing a Lean toolchain from the command line (6 messages, latest: May 14 2024 at 16:40)
- ✔ Where is the "infixl
*
" defined in Mathlib4? (16 messages, latest: May 14 2024 at 16:01) - ✔ AM-GM in olympiad problem (24 messages, latest: May 14 2024 at 15:42)
- ✔ warning on "lake update": some files were not found in … (11 messages, latest: May 14 2024 at 14:24)
- failed to synthesize instance Membership G ↑(Line ell b c) (17 messages, latest: May 14 2024 at 10:57)
- "Language Extensibility" in Roadmap (5 messages, latest: May 14 2024 at 04:35)
- ✔ Cast structure to mother-class (7 messages, latest: May 13 2024 at 21:25)
- ✔ Writing function is not constant (in hypothesis) (7 messages, latest: May 13 2024 at 18:09)
- using ite functions in a proof (6 messages, latest: May 13 2024 at 18:00)
- Getting last index of an element from list (3 messages, latest: May 13 2024 at 14:32)
- Recommend way to add mathlib master as lib? (26 messages, latest: May 13 2024 at 13:55)
- ✔ Prove ring properties preserved by isomorphism (10 messages, latest: May 13 2024 at 08:58)
- Finset.sum to double sum (4 messages, latest: May 13 2024 at 03:46)
- ✔ Proving nested sum equality (4 messages, latest: May 13 2024 at 03:42)
- Teach Lean that (Matrix) types are equivalent? (36 messages, latest: May 12 2024 at 21:29)
- lean-lang.org website (10 messages, latest: May 12 2024 at 15:11)
- List.getLast! making Lean4 panic (6 messages, latest: May 12 2024 at 12:44)
- Infty (5 messages, latest: May 12 2024 at 05:55)
- ✔ Conflicting decidableLT instances (8 messages, latest: May 12 2024 at 03:04)
- Creating iterative loop (6 messages, latest: May 12 2024 at 02:44)
- ✔ Fin 1 has a unique element (8 messages, latest: May 11 2024 at 23:48)
- display coercions more usefully (4 messages, latest: May 11 2024 at 15:20)
- Using previously provided data when proving instances (19 messages, latest: May 11 2024 at 12:22)
- Defining matrix with direct sum domain (4 messages, latest: May 11 2024 at 09:37)
- Extract columns of a matrix (3 messages, latest: May 11 2024 at 09:33)
- Proving equalities for
UInt
types (1 message, latest: May 11 2024 at 09:05) - Converting matrix notation into function (6 messages, latest: May 11 2024 at 08:37)
- Why is
2+2=4 := rfl
? (7 messages, latest: May 11 2024 at 08:17) - Convert function on Fin n to list (15 messages, latest: May 11 2024 at 08:14)
- Mechanics of Proof 1.4 (18 messages, latest: May 10 2024 at 20:51)
- Fields missing error while defining Monad (22 messages, latest: May 10 2024 at 15:59)
- ✔ Induction principle for nested inductive types (5 messages, latest: May 10 2024 at 05:34)
- prove list monotonic for known list (8 messages, latest: May 09 2024 at 23:04)
- ✔ why can't I direct inf_comm (8 messages, latest: May 09 2024 at 21:20)
- Getting "unknown identifier 'ℕ'" on #check ℕ (4 messages, latest: May 09 2024 at 18:40)
- ✔ destructuring tactic (13 messages, latest: May 09 2024 at 16:40)
- ✔ why this variable shared? (16 messages, latest: May 09 2024 at 15:54)
- ✔ Learning about LEAN 4 Core? (3 messages, latest: May 09 2024 at 12:52)
- ✔ how do I make my code less ugly? (20 messages, latest: May 09 2024 at 12:51)
- ✔
obtain ⟨rfl \| rfl⟩
doesn't substitute in the second b… (7 messages, latest: May 09 2024 at 07:47) - ✔ Finding a starter project as I learn lean (7 messages, latest: May 09 2024 at 00:50)
- concise enum-with-values type (35 messages, latest: May 08 2024 at 13:28)
- instanciate NormedAddCommGroup (10 messages, latest: May 07 2024 at 13:46)
- william (hi!) (16 messages, latest: May 07 2024 at 08:21)
- Trying to state Morley’s Theorem (15 messages, latest: May 06 2024 at 18:45)
- ✔ unioning members of a countable cover (13 messages, latest: May 06 2024 at 15:27)
- Undergraduate summer project (3 messages, latest: May 06 2024 at 14:50)
- Computing derivatives of elementary functions (28 messages, latest: May 06 2024 at 10:53)
- LaTeX Syntax rendering (17 messages, latest: May 06 2024 at 09:05)
- Styling: tactic combinators vs (few) bullet points (8 messages, latest: May 06 2024 at 07:06)
- Introduction: Pierpaolo Frasa (7 messages, latest: May 06 2024 at 03:25)
- The Yoneda lemma and the diagonal base change diagram (7 messages, latest: May 06 2024 at 02:19)
- Restarting file in Mathematics in Lean (41 messages, latest: May 05 2024 at 19:45)
- Mathematics in Lean 3.3. help with problem (4 messages, latest: May 05 2024 at 18:06)
- failed to synthesize HasFiniteLimits (Type u) (3 messages, latest: May 05 2024 at 15:21)
- Yoneda lemma proves that nattrans is a set (5 messages, latest: May 05 2024 at 09:36)
- "Use" doesn't work (8 messages, latest: May 05 2024 at 05:56)
- ✔ tsums over sets (3 messages, latest: May 04 2024 at 16:18)
- What does
opaque
do? (4 messages, latest: May 04 2024 at 15:33) - ✔ Question about match and dependent types (14 messages, latest: May 04 2024 at 14:35)
- Subspaces, topological and measurable properties (20 messages, latest: May 04 2024 at 11:04)
- ✔ How to unfold typeclass functions? (22 messages, latest: May 04 2024 at 01:53)
- ✔ Weird
tsum_eq_zero_iff
type inference behavior (9 messages, latest: May 03 2024 at 15:59) - Question regarding Pascal's triangle exercise in math2001 (38 messages, latest: May 03 2024 at 09:45)
- (b + c) % d < a → b + c < a (16 messages, latest: May 03 2024 at 09:38)
- open scoped (17 messages, latest: May 02 2024 at 22:11)
- Add lake to path (7 messages, latest: May 02 2024 at 21:02)
- ✔ Trivial computation in ENNReal (17 messages, latest: May 02 2024 at 14:13)
- Syntax about dot in typeclass? (7 messages, latest: May 02 2024 at 06:48)
- Problem with Lean Game (10 messages, latest: May 02 2024 at 05:20)
- Lifting Nat lemmas to Int (25 messages, latest: May 02 2024 at 02:19)
- How to elable
deriving
for user defined type class (5 messages, latest: May 02 2024 at 00:07) - ✔ Inlining subtype definition (9 messages, latest: May 01 2024 at 18:39)
- ✔ Coercion from Subgraph to SimpleGraph (7 messages, latest: May 01 2024 at 12:46)
- Why isn't rewrite applying? (23 messages, latest: Apr 30 2024 at 19:33)
- Factor out a vector (8 messages, latest: Apr 30 2024 at 06:51)
- Compiler IR check failed (37 messages, latest: Apr 30 2024 at 05:19)
- general topology in mathlib (56 messages, latest: Apr 30 2024 at 03:33)
- ✔ Proof refactor (suggestions) and how to expand a defini… (62 messages, latest: Apr 29 2024 at 22:47)
- Filter.limSup and sequence of measures (13 messages, latest: Apr 29 2024 at 16:27)
- Splits a Ramification group to union of difference set. (4 messages, latest: Apr 29 2024 at 10:21)
- graph theory project (46 messages, latest: Apr 29 2024 at 09:14)
- ✔ getting witness for points in the quotient (29 messages, latest: Apr 29 2024 at 02:11)
- ✔ Idiomatic (non-)existence of structures / instances (6 messages, latest: Apr 28 2024 at 23:00)
- Multiply an Alpha type with a natural type. (4 messages, latest: Apr 28 2024 at 21:01)
- patterns with coerced var (5 messages, latest: Apr 28 2024 at 18:04)
- Improve a proof related to funext (10 messages, latest: Apr 28 2024 at 13:59)
- Recommended ways to convert Lean4 code to LaTeX? (12 messages, latest: Apr 28 2024 at 11:27)
- difference between
if
andmatch
for Bool (3 messages, latest: Apr 28 2024 at 07:20) - Advice on writing idiomatic Lean4 (5 messages, latest: Apr 28 2024 at 01:02)
- Working with uniformities to show separability (18 messages, latest: Apr 27 2024 at 22:59)
- why doesn't simp use provided lemma (12 messages, latest: Apr 27 2024 at 22:55)
- Hi! (54 messages, latest: Apr 27 2024 at 19:02)
- Improving proofs about
Nat.xor
(5 messages, latest: Apr 27 2024 at 18:44) - ✔ About infer_instance (6 messages, latest: Apr 27 2024 at 14:19)
- term of a type cannot be a type? (5 messages, latest: Apr 27 2024 at 13:29)
- Xinzhe Xia (12 messages, latest: Apr 27 2024 at 13:10)
- ✔ Sum vector entries in R^n (10 messages, latest: Apr 27 2024 at 13:02)
- ✔ How to use TFAE (5 messages, latest: Apr 27 2024 at 03:05)
- SLMath/MSRI (5 messages, latest: Apr 27 2024 at 01:09)
- enstucky says: howdy folks :).html) (12 messages, latest: Apr 26 2024 at 19:50)
- Idiomatic match vs cases (4 messages, latest: Apr 26 2024 at 19:12)
- Introducing myself: Stefan Kebekus (7 messages, latest: Apr 26 2024 at 17:21)
- Express membership of neighbourhood filter in rel. topology (5 messages, latest: Apr 26 2024 at 16:47)
- One more cardinality question (1 message, latest: Apr 26 2024 at 16:12)
- Search for typeclass instance (7 messages, latest: Apr 26 2024 at 15:37)
- Finset from a Set of Fintype elements (10 messages, latest: Apr 26 2024 at 14:34)
- ✔ How to use linearIndependent_singleton (16 messages, latest: Apr 26 2024 at 13:23)
- ✔ Beginner questions about Decidable and automation (8 messages, latest: Apr 25 2024 at 22:50)
- Proving pullbacks are levelwise in SSet (13 messages, latest: Apr 25 2024 at 17:18)
- Is the following proof using the same theorems in mathlib? (6 messages, latest: Apr 25 2024 at 16:23)
- show trivial distributive law (4 messages, latest: Apr 25 2024 at 15:59)
- ✔ why this
ac_rfl
fails? (4 messages, latest: Apr 25 2024 at 15:13) - Git question (111 messages, latest: Apr 25 2024 at 14:35)
- Floor division hell in asymptotics (22 messages, latest: Apr 25 2024 at 10:24)
- Representing Rational as Float (for Complex representation) (12 messages, latest: Apr 25 2024 at 10:01)
- cartesianProduct_zipWith (3 messages, latest: Apr 25 2024 at 05:16)
- Polynomial proofs (10 messages, latest: Apr 25 2024 at 05:14)
- PNat and sub (13 messages, latest: Apr 24 2024 at 19:38)
- Introducing myself: Tom Kranz (5 messages, latest: Apr 24 2024 at 18:39)
- Reading “Theorem Proving in Lean4” in VSCode (2 messages, latest: Apr 24 2024 at 17:37)
- given infinite type, choose two distinct points (4 messages, latest: Apr 24 2024 at 15:17)
- Proving false is equivalent to false (7 messages, latest: Apr 24 2024 at 14:22)
- Restricting a function all the way (3 messages, latest: Apr 24 2024 at 14:17)
- ✔ 'Rewrite' fails but I don't understand why? (7 messages, latest: Apr 24 2024 at 13:28)
- prove
c=c
in ring (6 messages, latest: Apr 24 2024 at 11:53) - Functions for bitwise operations/machine integer manip (1 message, latest: Apr 24 2024 at 10:50)
- Weird HEq goal (13 messages, latest: Apr 23 2024 at 20:51)
- confusion in the "use" tactic (23 messages, latest: Apr 23 2024 at 17:52)
- Looking for the right expression (14 messages, latest: Apr 23 2024 at 17:21)
- ✔ measure of iUnion of sets can be approximated by finitely (6 messages, latest: Apr 23 2024 at 16:07)
- Is there a tactic manual? (6 messages, latest: Apr 23 2024 at 15:14)
- WellFoundedRelation of a lexicographic order (13 messages, latest: Apr 23 2024 at 08:32)
- Could not find a decreasing measure. (2 messages, latest: Apr 22 2024 at 21:48)
- Alternative form of Tauto for simplifying but not completing (7 messages, latest: Apr 22 2024 at 20:55)
- Hello, Lean Zulip! FRACTRAN, anybody? (1 message, latest: Apr 22 2024 at 20:51)
- ✔ use implicit induction fact (13 messages, latest: Apr 22 2024 at 17:57)
- Lean crashes computer (20 messages, latest: Apr 22 2024 at 11:58)
- Why is not_and @[simp]? (3 messages, latest: Apr 21 2024 at 17:55)
- print the tactics simp is using? (5 messages, latest: Apr 21 2024 at 17:20)
- ✔ help for setting up for mechanics of proofs course (7 messages, latest: Apr 21 2024 at 16:30)
- ↑ 1 + 1 = ? (23 messages, latest: Apr 21 2024 at 11:34)
- Does
↑
ever do anything (2 messages, latest: Apr 21 2024 at 08:29) - Invalid type universe level (6 messages, latest: Apr 21 2024 at 04:22)
- cast/coerce ∏ to \R (15 messages, latest: Apr 20 2024 at 18:03)
- C01_Introduction.html (3 messages, latest: Apr 20 2024 at 15:56)
- Clarification regarding measures (7 messages, latest: Apr 20 2024 at 14:04)
- what's the best way to testing (2 messages, latest: Apr 20 2024 at 12:12)
- Relation between functions induced by embedding (6 messages, latest: Apr 20 2024 at 07:21)
- installation problem "elan failed with error code 1" (1 message, latest: Apr 20 2024 at 00:23)
- Lean4 installation problems (11 messages, latest: Apr 19 2024 at 19:42)
- Getting witness from existentially quantified statement (4 messages, latest: Apr 19 2024 at 14:48)
- using lean without IDE (7 messages, latest: Apr 19 2024 at 14:32)
- Greatest multiple less or equal to number (11 messages, latest: Apr 19 2024 at 14:22)
- Self-Introduction (6 messages, latest: Apr 19 2024 at 12:19)
- Write Access to mathlib (3 messages, latest: Apr 19 2024 at 08:39)
- ✔ rw without new variable (16 messages, latest: Apr 19 2024 at 06:30)
- what the heq, PosSemidef (13 messages, latest: Apr 18 2024 at 19:26)
- Deriving Repr for an inductive with proof parameters (2 messages, latest: Apr 18 2024 at 17:48)
- ✔ cant synthesyze a single argument / assumption: How to (27 messages, latest: Apr 18 2024 at 14:56)
- Selecting part of disjunction in a lemma (11 messages, latest: Apr 18 2024 at 14:13)
- Negative Modular Arithmetic, question about conventions (11 messages, latest: Apr 18 2024 at 10:00)
- How can I say "there exist unique a, b such that…"? (32 messages, latest: Apr 18 2024 at 09:49)
- Invoking monoid stuff in group definition (2 messages, latest: Apr 18 2024 at 06:35)
- ✔ How to prove a set with nodup lists of a fintype is a f… (3 messages, latest: Apr 18 2024 at 06:27)
- Synthesize placeholder error after finishing proof on have (5 messages, latest: Apr 17 2024 at 15:15)
- ✔ execute Set of IO effects (14 messages, latest: Apr 17 2024 at 14:29)
- Installation troubles (25 messages, latest: Apr 17 2024 at 12:44)
- ✔ How to prove equalities of real numbers (9 messages, latest: Apr 17 2024 at 06:51)
- implicits and typeclasses (8 messages, latest: Apr 16 2024 at 18:11)
- ✔ Define unique object such that h (25 messages, latest: Apr 16 2024 at 17:58)
- What do these double curly braces
⦃⦄
mean? (25 messages, latest: Apr 16 2024 at 16:06) - ✔ Use Notation for a variable (10 messages, latest: Apr 16 2024 at 15:23)
- ✔ Ideal math subjects/books (2 messages, latest: Apr 16 2024 at 13:55)
- isPrimePow_def in N (9 messages, latest: Apr 16 2024 at 13:22)
- ✔ Yet more casting woes (N -> Z) (5 messages, latest: Apr 16 2024 at 06:07)
- ✔ VSCode stuck (15 messages, latest: Apr 15 2024 at 20:47)
- ✔ Casting from Integers and Reals to Complex (26 messages, latest: Apr 15 2024 at 20:47)
- is_function (29 messages, latest: Apr 15 2024 at 20:11)
- is there a way to do lazy computation in lean (15 messages, latest: Apr 15 2024 at 20:05)
- Difference of Finset.induction and Finset. induction_on (8 messages, latest: Apr 15 2024 at 15:49)
- ✔ NonemptyInterval inequality (6 messages, latest: Apr 15 2024 at 14:47)
- confused about membership (9 messages, latest: Apr 15 2024 at 12:49)
- ✔ so I want to convert the following haskell function (3 messages, latest: Apr 14 2024 at 23:45)
- ✔ How does inductive type matching work in Lean (19 messages, latest: Apr 14 2024 at 23:23)
- What to import in a file? (6 messages, latest: Apr 14 2024 at 22:16)
Real.mul_pow
(14 messages, latest: Apr 14 2024 at 21:49)- ✔ How to write A \neq B correctly (11 messages, latest: Apr 14 2024 at 16:41)
- How to make blueprint (8 messages, latest: Apr 14 2024 at 16:00)
- ✔ between N and Z (4 messages, latest: Apr 14 2024 at 09:54)
- apply? suggested something that led to an error (25 messages, latest: Apr 14 2024 at 09:48)
- Self-introduction: Jeremy Kahn (4 messages, latest: Apr 14 2024 at 09:40)
- Transform assumption, but keep original (2 messages, latest: Apr 14 2024 at 03:19)
- AM-GM (10 messages, latest: Apr 13 2024 at 22:28)
- ✔ Impossible match case (4 messages, latest: Apr 13 2024 at 20:58)
- Confusion with metavariables in "Mathematics in Lean" (4 messages, latest: Apr 13 2024 at 20:33)
- ✔ Why my matrix mul vector does not work? (3 messages, latest: Apr 13 2024 at 20:02)
- ✔ failed to unify (10 messages, latest: Apr 13 2024 at 15:45)
- New user, trying to fit (3 messages, latest: Apr 13 2024 at 08:11)
- Proving an equality with supremum of an indexed family (1 message, latest: Apr 12 2024 at 21:51)
- conv tactic sometimes solves goal (38 messages, latest: Apr 12 2024 at 16:31)
- induction over a finite set (3 messages, latest: Apr 12 2024 at 13:26)
- Can i
revert
unnamed variables? (7 messages, latest: Apr 12 2024 at 11:31) - pow_mul rational (9 messages, latest: Apr 12 2024 at 10:48)
- making pull requests (29 messages, latest: Apr 11 2024 at 22:51)
- ✔ Why does this solution leave 0 < 2 as an open goal? (6 messages, latest: Apr 11 2024 at 20:28)
- Lean4 on google colab (15 messages, latest: Apr 11 2024 at 05:52)
- issue with groups (11 messages, latest: Apr 11 2024 at 03:12)
- tactic for string diagram? (3 messages, latest: Apr 11 2024 at 02:45)
- ✔ Generalized rewrite (15 messages, latest: Apr 10 2024 at 12:33)
- A question about lean4 installation (6 messages, latest: Apr 10 2024 at 02:16)
- New here, figuring out if there any use for things I wrote (7 messages, latest: Apr 09 2024 at 23:12)
- Running from the command line (15 messages, latest: Apr 09 2024 at 02:30)
- Lean for the not very curious mathematician (3 messages, latest: Apr 08 2024 at 22:42)
- ✔ Invalid Lake configuration 2 (22 messages, latest: Apr 08 2024 at 22:13)
- ✔ Can two empty inductive type be proved equal? (4 messages, latest: Apr 08 2024 at 17:10)
- ✔ Proving Hadamard^2 = Identity in 2^n dimensions (9 messages, latest: Apr 08 2024 at 13:21)
- ✔ Share:Open any Lean3 project. (5 messages, latest: Apr 08 2024 at 05:34)
- Any projects translate a textbook into lean step by step ? (5 messages, latest: Apr 08 2024 at 03:28)
- Any project that starts from an undergraduate perspect? (9 messages, latest: Apr 08 2024 at 03:26)
- Simp USize.toNat of a numeric literal (2 messages, latest: Apr 07 2024 at 23:49)
- First experiments with recursive functions (4 messages, latest: Apr 07 2024 at 12:05)
- autogen instances for commutative operations? (3 messages, latest: Apr 07 2024 at 05:11)
- ✔ tactic like
show
for assumption (3 messages, latest: Apr 07 2024 at 05:09) - Getting parameters that give the supremum of a set (14 messages, latest: Apr 07 2024 at 01:35)
- How to work with LinearIndependent? (50 messages, latest: Apr 07 2024 at 00:14)
- Optimizing proof |inf f - inf g| < sup |f - g| (11 messages, latest: Apr 06 2024 at 20:29)
- ✔ OR in both hypothesis and goal, order of operations (12 messages, latest: Apr 06 2024 at 19:29)
- Leading parser (3 messages, latest: Apr 06 2024 at 17:58)
- ✔ How to generate functions generated by DecidableEq (24 messages, latest: Apr 06 2024 at 08:54)
- ✔ Mathematics in Lean, C05S03 theorem two_le (7 messages, latest: Apr 06 2024 at 06:59)
- Is there a simple way to lift Finset (Fin n) to Finset Nat? (8 messages, latest: Apr 05 2024 at 20:10)
- Can't unify seemingly identical terms (19 messages, latest: Apr 05 2024 at 11:21)
- Remembering the state in a pattern matching (7 messages, latest: Apr 05 2024 at 09:08)
- Extracting the value from a definition (5 messages, latest: Apr 04 2024 at 17:51)
deriving
getting stuck (7 messages, latest: Apr 04 2024 at 15:54)- Recommendatins for writing
do
like DSL (3 messages, latest: Apr 04 2024 at 11:09) - is there an equivalent way to auto generate function defs? (2 messages, latest: Apr 04 2024 at 09:20)
- Refactoring help (18 messages, latest: Apr 03 2024 at 16:13)
- Quadratic formula (7 messages, latest: Apr 02 2024 at 23:39)
- Need help understanding behaviour of Fin (31 messages, latest: Apr 02 2024 at 20:04)
- Using object of class inside other object of the same class? (2 messages, latest: Apr 02 2024 at 18:28)
- Convert goals to latex? (4 messages, latest: Apr 02 2024 at 02:03)
- braid group word problem (3 messages, latest: Apr 02 2024 at 00:56)
- Need help with tutorial (5 messages, latest: Apr 01 2024 at 21:35)
- Holes in constructors (2 messages, latest: Apr 01 2024 at 16:52)
- Failing copilot install (27 messages, latest: Apr 01 2024 at 14:08)
- Characterizations of classical logic (12 messages, latest: Apr 01 2024 at 09:11)
- delta/epsilon notion of continuity (10 messages, latest: Apr 01 2024 at 02:09)
- (deleted) (1 message, latest: Mar 31 2024 at 21:55)
- ✔ Confused by recursive proofs (17 messages, latest: Mar 31 2024 at 19:38)
- Confused about NatIso of functors in mathlib (9 messages, latest: Mar 31 2024 at 14:41)
- A variant of #eval for 2D ASCII art? (4 messages, latest: Mar 31 2024 at 07:07)
- Can lean generates a book? (4 messages, latest: Mar 31 2024 at 05:30)
- ✔ How can I refer to assumption in match case? (4 messages, latest: Mar 30 2024 at 22:20)
- Map factorization (4 messages, latest: Mar 30 2024 at 19:36)
- ✔ NonEmptyList example proofs fail (5 messages, latest: Mar 30 2024 at 18:30)
- ✔ confused by axiom versus variable (30 messages, latest: Mar 30 2024 at 14:12)
- Adjust layout for mathlib in mobile phone? (5 messages, latest: Mar 30 2024 at 05:35)
- Embedded DSL with access to (mutable) variables (2 messages, latest: Mar 29 2024 at 17:09)
- Error translating FPIL IO example from do to bind (21 messages, latest: Mar 29 2024 at 16:15)
- ✔ Implicit terms and matching (13 messages, latest: Mar 29 2024 at 15:44)
- good tutorial for vscode + lean in windows (4 messages, latest: Mar 29 2024 at 10:00)
- Finset.Icc on Z (13 messages, latest: Mar 29 2024 at 08:43)
- ✔ Prove the termination of the function (6 messages, latest: Mar 29 2024 at 04:55)
- ✔ Runtime guarantees on
let
and definitional equivalence (8 messages, latest: Mar 28 2024 at 20:45) - ✔ example from "Functional Programming in Lean" (7 messages, latest: Mar 28 2024 at 20:12)
- Int.cast in equations (4 messages, latest: Mar 28 2024 at 14:10)
- ✔ Unicode Symbols in LaTeX Listings (3 messages, latest: Mar 28 2024 at 13:58)
- FPIL section 10.3: termination_by fails with "Too many …" (4 messages, latest: Mar 28 2024 at 12:09)
- Daniel Busch (59 messages, latest: Mar 28 2024 at 10:19)
- Assistance for importing libraries in vs code (5 messages, latest: Mar 28 2024 at 08:53)
- Sub of Finset.sum (7 messages, latest: Mar 28 2024 at 02:07)
- Implementing instances for inductive types (25 messages, latest: Mar 27 2024 at 21:37)
- ✔ Equivalent of Coq
Search
command? (15 messages, latest: Mar 27 2024 at 19:25) - MonoidHomClass₂ and AddMonoidHom₁ in MIL chapter 7 section2 (5 messages, latest: Mar 27 2024 at 16:50)
- Noncomputable inv / div (2 messages, latest: Mar 27 2024 at 14:18)
- ✔ Separate IsThreeCycle into all situations , How? (22 messages, latest: Mar 27 2024 at 04:11)
- Piecewise-Linear Functions (16 messages, latest: Mar 27 2024 at 01:28)
- ✔ Instances in NumberField (4 messages, latest: Mar 26 2024 at 18:30)
- Int.floor (5 messages, latest: Mar 26 2024 at 10:13)
- coq to lean translator (18 messages, latest: Mar 26 2024 at 01:06)
- Case analysis on match in assumptions (7 messages, latest: Mar 25 2024 at 23:08)
- ✔ Rewrite fails NNG (10 messages, latest: Mar 25 2024 at 21:20)
- Fix bad diamond via forgetting data in MIL Chapter7 (18 messages, latest: Mar 25 2024 at 20:07)
- Error on induction tactic: failed to infer implicit target (9 messages, latest: Mar 25 2024 at 18:59)
- Int/Nat casting (32 messages, latest: Mar 25 2024 at 08:53)
- Proof on recursive function of List of Int (15 messages, latest: Mar 24 2024 at 18:33)
- First contribution to mathlib (17 messages, latest: Mar 24 2024 at 18:06)
- ✔ linarith over ℚ × ℚ (16 messages, latest: Mar 24 2024 at 16:44)
- Polynomial (21 messages, latest: Mar 24 2024 at 13:49)
- Pattern match with equation of the original variables? (5 messages, latest: Mar 24 2024 at 13:33)
- ✔ Are there answers for excercises in FPIL? (15 messages, latest: Mar 24 2024 at 09:04)
- ✔ Where can I find the notes (3 messages, latest: Mar 24 2024 at 07:33)
- Getting the InfoTree for a theorem (3 messages, latest: Mar 24 2024 at 06:36)
- Mutual recursion between inductive types and structures (6 messages, latest: Mar 24 2024 at 00:07)
- Typeclass constraints (31 messages, latest: Mar 23 2024 at 21:43)
- How to proof things about cardinality of finite sets? (10 messages, latest: Mar 23 2024 at 14:47)
- Sum of prime reciprocals diverges (28 messages, latest: Mar 23 2024 at 08:32)
- ✔ Evaluating code string (20 messages, latest: Mar 23 2024 at 06:23)
- Elementary math (13 messages, latest: Mar 23 2024 at 00:55)
- What does "unfold" mean? (4 messages, latest: Mar 22 2024 at 23:05)
- sum_range_id proof (5 messages, latest: Mar 22 2024 at 22:57)
- Automation to make proof more readable (2 messages, latest: Mar 22 2024 at 22:03)
- synthesizing implicits (1 message, latest: Mar 22 2024 at 21:19)
- non valid occurrence (43 messages, latest: Mar 22 2024 at 20:55)
- legal namespace usage (12 messages, latest: Mar 22 2024 at 19:59)
- namespace signatures (module types) (2 messages, latest: Mar 22 2024 at 17:23)
- [✔ x^2 = xx from definitions](topic/.E2.9C.94.20x.5E2.20.3D.20xx.20from.20definitions.html) (4 messages, latest: Mar 22 2024 at 14:26)
- ✔ Many-sorted logic using dependent types (11 messages, latest: Mar 22 2024 at 14:13)
- Yellow bar doesn't go away (13 messages, latest: Mar 22 2024 at 09:09)
- Error in proving add_comm in MIL chapter 7 Ring3 (17 messages, latest: Mar 22 2024 at 02:54)
- Setting up lean on Mac (11 messages, latest: Mar 21 2024 at 20:58)
- ✔ Inspecting tactic application (6 messages, latest: Mar 21 2024 at 19:05)
- Applying
succ_inj
to a sum, natural numbers game (7 messages, latest: Mar 21 2024 at 18:52) - ✔ Derivative of Finsum with Type Error (9 messages, latest: Mar 21 2024 at 16:25)
- ✔ Pull back a submodule along a ring hom (18 messages, latest: Mar 21 2024 at 16:12)
- create finset from subgroup (6 messages, latest: Mar 21 2024 at 13:15)
- ✔ Increase timeout? (7 messages, latest: Mar 21 2024 at 09:53)
- Why does this apply not work? (5 messages, latest: Mar 21 2024 at 07:18)
- Leancrawler minimal example? (7 messages, latest: Mar 21 2024 at 03:25)
- let rec in a proof using choose (37 messages, latest: Mar 21 2024 at 02:34)
- Proofs about floats and verifiable software (25 messages, latest: Mar 21 2024 at 01:38)
- Having trouble with types (6 messages, latest: Mar 21 2024 at 00:58)
- ✔ Unfolding a definition only in one place (9 messages, latest: Mar 21 2024 at 00:15)
- Need help with element from range having wrong type (7 messages, latest: Mar 20 2024 at 22:02)
- ✔ Passing around which constructor was used (9 messages, latest: Mar 20 2024 at 20:04)
- Beginner question (16 messages, latest: Mar 20 2024 at 13:45)
- ✔ Choosing an term of a type for all (4 messages, latest: Mar 20 2024 at 12:06)
- beginner question (4 messages, latest: Mar 20 2024 at 11:31)
- Mean / Average of a Sequence (9 messages, latest: Mar 19 2024 at 19:52)
- Hi from Mike Vaiana (1 message, latest: Mar 19 2024 at 17:56)
- ✔ .gitignore for Mathlib/Lean projects (3 messages, latest: Mar 19 2024 at 15:12)
- ✔ how to show
0 = MyNat.zero
(5 messages, latest: Mar 19 2024 at 13:27) - ✔ measure evaluation Time (5 messages, latest: Mar 19 2024 at 12:42)
- ✔ Change "simp only list" into "simp only single lines"? (5 messages, latest: Mar 19 2024 at 10:27)
- Dealing with inequalities (12 messages, latest: Mar 19 2024 at 09:52)
- ✔ Max quantifier (13 messages, latest: Mar 18 2024 at 23:01)
- Renaming terms for calc proof (5 messages, latest: Mar 18 2024 at 21:32)
- Unknown Package MIL (6 messages, latest: Mar 18 2024 at 15:54)
- ✔ Show typeclass resolution path? (5 messages, latest: Mar 18 2024 at 14:42)
- ✔ What if Fin.sum_univ_1000 ? (8 messages, latest: Mar 18 2024 at 14:15)
- convergence in norm/WeakSpace (16 messages, latest: Mar 18 2024 at 10:51)
- Finset vs. finite Set (20 messages, latest: Mar 18 2024 at 09:31)
- ✔ can't prove a specific value of gcd (29 messages, latest: Mar 18 2024 at 07:51)
- Working with inverse functions (10 messages, latest: Mar 18 2024 at 02:00)
- Sets of Functions (20 messages, latest: Mar 17 2024 at 21:35)
- ✔ Inclusion map (3 messages, latest: Mar 17 2024 at 21:21)
- ✔ Nesting issue DecidableEq / Computing Finsets (13 messages, latest: Mar 17 2024 at 15:17)
- ✔ sum i in {0,1,2}, fn i = fn 0 + fn 1 + fn 2 ? (10 messages, latest: Mar 17 2024 at 10:43)
- ✔ rw in sup' fails with motive is not type correct (11 messages, latest: Mar 17 2024 at 10:10)
- Pattern matching on quotient types (19 messages, latest: Mar 17 2024 at 00:47)
- automatically infered MonadLifts (1 message, latest: Mar 16 2024 at 21:50)
- ✔ 2 of 3 is zero , sum is zero , last one is zero. (3 messages, latest: Mar 16 2024 at 17:43)
- ✔ A tactic for changing all Nat.succ in one go? (5 messages, latest: Mar 16 2024 at 08:21)
- ✔ Cannot prove termination of recursive function (4 messages, latest: Mar 16 2024 at 05:11)
- ✔ Permute dose not change sum, right? (9 messages, latest: Mar 16 2024 at 02:54)
- native_decide: "(kernel) declaration has free variables " (11 messages, latest: Mar 15 2024 at 22:32)
- Feedback for a proof of Cassini's identity (5 messages, latest: Mar 15 2024 at 21:39)
- Problem with installing lean (26 messages, latest: Mar 15 2024 at 20:26)
- Question about add_succ (17 messages, latest: Mar 15 2024 at 19:17)
- Newbie question : Equality of Types (20 messages, latest: Mar 15 2024 at 18:27)
- Proving that function of reciprocals have vertical asymptote (28 messages, latest: Mar 15 2024 at 16:45)
- Set union of spaces (abuse), identifying as subset? (16 messages, latest: Mar 15 2024 at 16:14)
- What does "no axioms" really mean? (3 messages, latest: Mar 15 2024 at 13:29)
- help for Lean beginners in natural number game (15 messages, latest: Mar 15 2024 at 09:17)
- No theorem Matrix.mulVec_sub (3 messages, latest: Mar 15 2024 at 07:44)
- no interactiveExpr.js while build mathlib (3 messages, latest: Mar 15 2024 at 06:51)
- ✔ Weird Neovim/Lake/Lean interaction (3 messages, latest: Mar 15 2024 at 03:30)
- Show Infoview message/warning/problem at end of line (1 message, latest: Mar 14 2024 at 21:59)
- Matrix multiplication and zero vector (6 messages, latest: Mar 14 2024 at 20:48)
- Generating manga from a formal proof (13 messages, latest: Mar 14 2024 at 17:50)
- Non commutative Finset.prod (9 messages, latest: Mar 14 2024 at 17:09)
- ✔ How to refer to hypothesis's value (3 messages, latest: Mar 14 2024 at 17:03)
- ✔ How to print a proof object (especially if synthesized) (22 messages, latest: Mar 14 2024 at 14:32)
- Introduction (29 messages, latest: Mar 14 2024 at 14:08)
- ✔ How to add packages other than mathlib as dependency? (3 messages, latest: Mar 14 2024 at 13:40)
- preimage of quotient galois group (28 messages, latest: Mar 14 2024 at 13:11)
- Why/when can I not replace a type by a def synonm? (4 messages, latest: Mar 14 2024 at 11:15)
- noob question(s) (6155 messages, latest: Mar 14 2024 at 10:53)
- finite sum (10 messages, latest: Mar 14 2024 at 05:59)
- How do I unfold
.1
? (18 messages, latest: Mar 14 2024 at 03:04) - Type mismatch for the "same type"? (4 messages, latest: Mar 14 2024 at 02:20)
- HTTP in lean4-mode installation docs (2 messages, latest: Mar 13 2024 at 23:16)
- Casting from N to ZMod q (15 messages, latest: Mar 13 2024 at 21:53)
- ✔ eval is true, how to use? (36 messages, latest: Mar 13 2024 at 20:06)
- push_neg without \not? (2 messages, latest: Mar 13 2024 at 20:00)
- ✔ How use elimination method to prove this? (12 messages, latest: Mar 13 2024 at 17:28)
- Mathematics in Lean, Release 0.1 p15: example (8 messages, latest: Mar 13 2024 at 16:56)
- Numerals are represented in binary? (11 messages, latest: Mar 13 2024 at 14:02)
- Tactic(s) to automate unfolding (6 messages, latest: Mar 13 2024 at 13:14)
- Run MIL in ubuntu 18.04 (5 messages, latest: Mar 13 2024 at 12:22)
- unfolding definition on just lhs of equality (31 messages, latest: Mar 13 2024 at 09:19)
- Proving a statement about Hopf Algebras (12 messages, latest: Mar 13 2024 at 08:23)
- Unable to
rw
iff lemmas (6 messages, latest: Mar 13 2024 at 08:22) - Round up/down (3 messages, latest: Mar 13 2024 at 06:12)
- Why is LEAN called LEAN? (9 messages, latest: Mar 12 2024 at 23:26)
- Quantum information theory (20 messages, latest: Mar 12 2024 at 21:13)
- No bigoperators for union, intersection, and, or? (10 messages, latest: Mar 12 2024 at 20:27)
- Kronecker Product with 2^n sized Matrix (15 messages, latest: Mar 12 2024 at 16:15)
- Generate Set from List (4 messages, latest: Mar 12 2024 at 13:55)
- ✔ scalars from a field (15 messages, latest: Mar 12 2024 at 13:14)
- Freer Monad in Lean (2 messages, latest: Mar 12 2024 at 13:13)
- ✔ Problem of define a Summation function (9 messages, latest: Mar 12 2024 at 12:10)
- universe levels (47 messages, latest: Mar 12 2024 at 11:37)
- Access to Mathlib (4 messages, latest: Mar 12 2024 at 08:15)
- ✔ Locating straightforward lemmas in Mathlib (6 messages, latest: Mar 12 2024 at 04:49)
- ✔ Expanding a sum (13 messages, latest: Mar 12 2024 at 04:04)
- IO.Process.output with stdin being a string? (3 messages, latest: Mar 12 2024 at 02:39)
- ✔ Proving a double sum identity (6 messages, latest: Mar 12 2024 at 01:05)
- ✔ Proving termination of sum over properDivisors (14 messages, latest: Mar 12 2024 at 00:55)
- ✔ Divisibility proof 2 (10 messages, latest: Mar 12 2024 at 00:55)
- Typeclass inference help 2 (10 messages, latest: Mar 11 2024 at 23:09)
- ✔ Pattern matching on Or (13 messages, latest: Mar 11 2024 at 20:46)
- Infinite sum is zero iff every term is zero (3 messages, latest: Mar 11 2024 at 20:03)
- ✔ Prove algorithm behaves like multiplication (23 messages, latest: Mar 11 2024 at 20:03)
- Is there a theorem about cyclic group? (23 messages, latest: Mar 11 2024 at 19:08)
- ✔ Termination checking with nested inductive types (6 messages, latest: Mar 11 2024 at 16:55)
- ✔ Simple casting problem (7 messages, latest: Mar 11 2024 at 15:39)
- "←" Syntax in do block (4 messages, latest: Mar 11 2024 at 15:39)
- ✔ Set.Icc vs. Order.Interval (4 messages, latest: Mar 11 2024 at 13:24)
- Fixed width integers (4 messages, latest: Mar 11 2024 at 12:38)
- Restriction of a bundled function to a subset (8 messages, latest: Mar 11 2024 at 11:05)
- to_additive depending on return type (7 messages, latest: Mar 10 2024 at 19:05)
- ✔ Split dependent if-then-else (8 messages, latest: Mar 10 2024 at 17:45)
- ✔ Axiom of countable choice? (4 messages, latest: Mar 10 2024 at 17:16)
- ✔ Divisibility proof 3 (2 messages, latest: Mar 10 2024 at 11:54)
- Uniqueness of roots (4 messages, latest: Mar 10 2024 at 11:52)
- MonadLift and semiOutParam (1 message, latest: Mar 09 2024 at 23:08)
- Inequalities (5 messages, latest: Mar 09 2024 at 22:26)
- How to use Fin n? (14 messages, latest: Mar 09 2024 at 18:00)
- [Failed to write ab on Group₁](topic/Failed.20to.20write.20ab.20on.20Group.E2.82.81.html) (29 messages, latest: Mar 09 2024 at 16:50)
- ✔ Rewriting a hypothesis (3 messages, latest: Mar 09 2024 at 16:14)
- Choosing arbitrary element from a nonempty subset of ℕ (10 messages, latest: Mar 09 2024 at 15:53)
- ✔ Identical hypothesis does not apply due to type coersion (11 messages, latest: Mar 09 2024 at 11:56)
- Notation version theorem only compiled with extra theorems (5 messages, latest: Mar 09 2024 at 09:26)
- Type mismatch creating instance of One α and using
1
(13 messages, latest: Mar 09 2024 at 08:46) - Finset powerset is measurable (8 messages, latest: Mar 08 2024 at 22:59)
- Polymorphic structure versus a carrier : Type field (2 messages, latest: Mar 08 2024 at 21:45)
- Need help with subtype (3 messages, latest: Mar 08 2024 at 20:08)
- ✔ set of arbitrary type (4 messages, latest: Mar 08 2024 at 19:52)
- 1-2=0? (132 messages, latest: Mar 08 2024 at 18:20)
- General information about installing and using libs? (1 message, latest: Mar 08 2024 at 15:38)
- Mathematics in Lean / unknown package 'Mathlib' (10 messages, latest: Mar 08 2024 at 15:34)
- Crashing NNG4: "Cannot read properties of undefined" (7 messages, latest: Mar 08 2024 at 12:20)
- reusing hypothesis shown in previous fields (3 messages, latest: Mar 08 2024 at 11:52)
- Restricting IO (1 message, latest: Mar 08 2024 at 10:31)
- Code is not live compiling (5 messages, latest: Mar 08 2024 at 07:08)
- what is builtin_initialize (5 messages, latest: Mar 08 2024 at 04:10)
- how to name new hypothesis using cases h with in Lean 4 (27 messages, latest: Mar 08 2024 at 02:34)
- propext in sub_ne_zero_of_lt (5 messages, latest: Mar 08 2024 at 01:32)
- Lifting quotient predicate when defining reciprocal (14 messages, latest: Mar 08 2024 at 00:13)
- ✔ return typeclass instances (9 messages, latest: Mar 07 2024 at 21:36)
- State three vectors are linearly dependent (34 messages, latest: Mar 07 2024 at 21:01)
- FPIL Even Number Literals (5 messages, latest: Mar 07 2024 at 15:26)
- ✔ Prove ∃ j, p j ∧ (∀ k, p k → j ≤ k) given ∃ i, p i ? (3 messages, latest: Mar 07 2024 at 13:36)
- Proving the
iUnion
Theorem forOuterMeasure
Inductively (3 messages, latest: Mar 07 2024 at 12:34) - "Connecting" implementations and proofs (2 messages, latest: Mar 07 2024 at 12:14)
- ✔ Extending typeclass of functions with Finsupp (18 messages, latest: Mar 07 2024 at 10:03)
- ✔ Check Monad contract for ReaderOption (FPIL Section 5.2) (9 messages, latest: Mar 07 2024 at 09:49)
- If U ⊆ V, then f ⁻¹(U) ⊆ f ⁻¹(V): three questions (8 messages, latest: Mar 07 2024 at 07:33)
- Help needed on a proof that seems to involve factorization (18 messages, latest: Mar 06 2024 at 23:17)
- synthesize instance
InnerProductSpace ℝ (Fin 2 → ℝ)
(6 messages, latest: Mar 06 2024 at 21:53) - How to use
in
keyword? (9 messages, latest: Mar 06 2024 at 19:50) - Is there a tactic for case analysis on Fin? (7 messages, latest: Mar 06 2024 at 16:50)
- ✔ Tactic to combine AND (18 messages, latest: Mar 06 2024 at 14:58)
- Monads with depenent types (1 message, latest: Mar 06 2024 at 14:00)
- Divisibility Proof (15 messages, latest: Mar 06 2024 at 10:21)
- how to apply intermediate_value_Icc here (8 messages, latest: Mar 06 2024 at 06:56)
- ✔ Is the source code for document of MIL publicly available? (5 messages, latest: Mar 06 2024 at 03:10)
- Why does "cases" fail and what to do then? (mismatch motive) (6 messages, latest: Mar 05 2024 at 18:34)
- why
tauto
can't prove this? (2 messages, latest: Mar 05 2024 at 18:19) - ✔ Better proof for a weighted sum of two eq? (5 messages, latest: Mar 05 2024 at 16:56)
- n-fold triangle inequality (7 messages, latest: Mar 05 2024 at 16:35)
- Refinements as structures vs. subtypes (8 messages, latest: Mar 05 2024 at 15:06)
- monads help (9 messages, latest: Mar 05 2024 at 14:46)
- ✔ Use "bycases" elegently, How? (9 messages, latest: Mar 05 2024 at 10:08)
- [Metaprogramming] Sequential composition syntax (1 message, latest: Mar 05 2024 at 07:26)
- ✔ Using LEAN to help understand Real Analysis and find th… (6 messages, latest: Mar 05 2024 at 06:54)
- Noncomputability of computable function application (28 messages, latest: Mar 05 2024 at 03:38)
- How to distinguish infimum symbol from product symbol (8 messages, latest: Mar 05 2024 at 02:18)
- expected token for
∑
(3 messages, latest: Mar 05 2024 at 00:01) - method ident space sensitivity (15 messages, latest: Mar 04 2024 at 23:11)
- Define sequence of types and functions by induction (7 messages, latest: Mar 04 2024 at 22:25)
- How to use xor for boolean function? (10 messages, latest: Mar 04 2024 at 20:56)
- ✔ An integration of a derivative (3 messages, latest: Mar 04 2024 at 20:11)
- ✔ Matrix (Fin n) (Fin n) 𝔽? (28 messages, latest: Mar 04 2024 at 18:40)
- ✔ List to Perm, How? (14 messages, latest: Mar 04 2024 at 16:43)
- Share your Lean learning journey (6 messages, latest: Mar 04 2024 at 11:28)
- Set notation with propositions (37 messages, latest: Mar 04 2024 at 06:44)
- elems of Fintype (35 messages, latest: Mar 04 2024 at 05:50)
- overload
\\[\[ \\]\]
(10 messages, latest: Mar 04 2024 at 03:26) - Element of \Q^x (6 messages, latest: Mar 04 2024 at 02:26)
- Problem of closed set (5 messages, latest: Mar 03 2024 at 07:41)
- seeking mentorship (4 messages, latest: Mar 03 2024 at 07:25)
- ✔ type mismatch defining strongIndefiniteDescription (5 messages, latest: Mar 03 2024 at 05:22)
- ✔ More ways to express S₁ ∪ S₂ ∪ … ∪ Sₙ given S : ℕ → S… (4 messages, latest: Mar 03 2024 at 04:21)
- ✔ Lifting bindings from subterms into the environment (9 messages, latest: Mar 03 2024 at 00:58)
- ✔ Retaining equality with pattern-matched bindings (14 messages, latest: Mar 02 2024 at 21:02)
- Direct Sums over vector spaces (69 messages, latest: Mar 02 2024 at 20:34)
- ✔ Limitation of Ring (10 messages, latest: Mar 02 2024 at 20:31)
- Fancy N problem (10 messages, latest: Mar 02 2024 at 19:43)
- Can't use induction tactic nor generalize (14 messages, latest: Mar 02 2024 at 14:01)
- FIlter.Tendsto atTop Help on Proof (41 messages, latest: Mar 02 2024 at 13:14)
- Package not recognized (4 messages, latest: Mar 02 2024 at 11:19)
- Some confusion in ⟨⟩ notion and Nonempty α (12 messages, latest: Mar 02 2024 at 08:26)
- integralclosure inclusion (3 messages, latest: Mar 02 2024 at 05:32)
- ✔ exact? lemma (3 messages, latest: Mar 02 2024 at 05:26)
- characteristic polynomial (3 messages, latest: Mar 02 2024 at 04:45)
- ✔ Finsets and matlib learning (9 messages, latest: Mar 02 2024 at 00:42)
- Finsets (1 message, latest: Mar 01 2024 at 23:12)
- Encoding a Raymond Smullyan Logic Puzzle Proof (4 messages, latest: Mar 01 2024 at 22:30)
- ✔ Implication in Calculational Proofs (Lean 4) (17 messages, latest: Mar 01 2024 at 19:24)
- ∴ Socrates is Mortal (5 messages, latest: Mar 01 2024 at 18:30)
- Beginner question: Mathematics in Lean, Release 0.1 p11 (14 messages, latest: Mar 01 2024 at 16:54)
- ✔ Help with using Σ' in a definition and understanding er… (5 messages, latest: Mar 01 2024 at 16:11)
- Need help understanding why it doesn't unify (9 messages, latest: Mar 01 2024 at 13:49)
- How to prove (x - 1).val = x.val - 1 (7 messages, latest: Mar 01 2024 at 12:57)
- Rayleigh quotient of a matrix (17 messages, latest: Mar 01 2024 at 12:57)
- Can you use rcases with a hypothesis without clearing it? (11 messages, latest: Mar 01 2024 at 10:24)
- ✔ Networked program proofs (8 messages, latest: Mar 01 2024 at 10:04)
- Help to prove ( h : n > 1 ) ( 1 : Fin n ).val = 1 (6 messages, latest: Mar 01 2024 at 08:57)
- Question on Natural Number Game Tutorial World (37 messages, latest: Feb 29 2024 at 23:22)
- ✔ List of dependent product (3 messages, latest: Feb 29 2024 at 22:05)
- Asserting that X is-a Y: "instance : Y X where …"? (10 messages, latest: Feb 29 2024 at 20:25)
- termination_by from exists lemma (7 messages, latest: Feb 29 2024 at 19:27)
- ✔ Help to make a proof of eqv.trans simpler (14 messages, latest: Feb 29 2024 at 14:19)
- Chain Reasoning-constructive logic game (7 messages, latest: Feb 29 2024 at 14:09)
- ✔ How to construct a Finset from a Set (20 messages, latest: Feb 29 2024 at 13:35)
- Graphs in Lean (12 messages, latest: Feb 29 2024 at 10:34)
- ✔ Swap Problem. (5 messages, latest: Feb 29 2024 at 07:48)
- ✔ swaptest i = i ? (11 messages, latest: Feb 29 2024 at 07:41)
- Where to find a proof about sequential con in mathlib ? (8 messages, latest: Feb 29 2024 at 06:49)
- ✔ x: Fin 8 ⊢ x < 8 How? (32 messages, latest: Feb 28 2024 at 21:40)
- Sums of subspaces (Axler's Linear Algebra Done Right) (69 messages, latest: Feb 28 2024 at 21:39)
- ✔ These two sorrys seems easy… (53 messages, latest: Feb 28 2024 at 21:32)
- ✔ How to formalize statement about cyclic groups? (7 messages, latest: Feb 28 2024 at 17:44)
- ✔ Typeclasses help (3 messages, latest: Feb 28 2024 at 13:09)
- Building short sequences (3 messages, latest: Feb 28 2024 at 12:06)
- unfold vs dsimp (15 messages, latest: Feb 27 2024 at 23:26)
- Construct type from index in another type (14 messages, latest: Feb 27 2024 at 20:58)
- rw tactic introduces cases? (14 messages, latest: Feb 27 2024 at 19:24)
- Comparing the sum over the whole with an element (14 messages, latest: Feb 27 2024 at 14:32)
- Combining Lean with Symbolic Computation to Resolve Matching (8 messages, latest: Feb 27 2024 at 09:20)
- How to unfold a typeclass definition? (5 messages, latest: Feb 27 2024 at 05:52)
- theorem foo (t : T) vs. theorem foo {t : T} (6 messages, latest: Feb 27 2024 at 02:26)
- ✔ macro help (4 messages, latest: Feb 26 2024 at 22:26)
- Defining the Particular Point Topology (11 messages, latest: Feb 26 2024 at 18:54)
- Cast to superset (11 messages, latest: Feb 26 2024 at 17:54)
- Creating a higher level object (17 messages, latest: Feb 26 2024 at 17:17)
- leanc undefined symbol (1 message, latest: Feb 26 2024 at 06:06)
- ✔ leanc undefined symbol (4 messages, latest: Feb 26 2024 at 06:05)
- View list elements (18 messages, latest: Feb 26 2024 at 05:47)
- Help with vector proof (4 messages, latest: Feb 26 2024 at 03:46)
- Code review: group structure (36 messages, latest: Feb 25 2024 at 21:43)
- ✔ Substitution macro definition (9 messages, latest: Feb 25 2024 at 19:29)
- ✔ Rubik's cube associative law? (42 messages, latest: Feb 25 2024 at 17:05)
- Compute roots of polynomials (99 messages, latest: Feb 25 2024 at 16:01)
- ✔ how to do u-substitution? (2 messages, latest: Feb 25 2024 at 09:18)
- ✔ Casting fin to reals (4 messages, latest: Feb 25 2024 at 04:31)
- ✔ custom syntax (20 messages, latest: Feb 25 2024 at 01:01)
- ✔ Help with
compiler IR check failed
(17 messages, latest: Feb 24 2024 at 22:54) - ✔ Lists and list.range (8 messages, latest: Feb 24 2024 at 21:20)
- ✔ Bases of Z-lattices (11 messages, latest: Feb 24 2024 at 16:33)
- ✔ Proofs on 'nested' pattern matching (7 messages, latest: Feb 24 2024 at 14:32)
- ✔ Using matched pattern as hypothesis (9 messages, latest: Feb 24 2024 at 14:29)
- Generic typeclasses? (1 message, latest: Feb 24 2024 at 14:19)
- Hello (207 messages, latest: Feb 24 2024 at 13:12)
- ✔ Logic help (3 messages, latest: Feb 24 2024 at 12:09)
- Tree with finite map of children (8 messages, latest: Feb 24 2024 at 06:06)
- ✔ Idiomatic definition of Magma? (6 messages, latest: Feb 23 2024 at 21:59)
- Proving properties of an existential witness (16 messages, latest: Feb 23 2024 at 20:34)
- ✔ Inequality of integers from inequality of reals (10 messages, latest: Feb 23 2024 at 18:43)
- cannot mix theorems and definitions (10 messages, latest: Feb 23 2024 at 17:35)
- ✔ stuck at solving universe constraint (15 messages, latest: Feb 23 2024 at 13:13)
- ✔ Type Union (15 messages, latest: Feb 23 2024 at 13:11)
- standard Map Types (3 messages, latest: Feb 23 2024 at 11:03)
- supremum of reals (7 messages, latest: Feb 23 2024 at 04:54)
- Struggling to change an expression in a function definition (12 messages, latest: Feb 22 2024 at 22:04)
- Decidable function that recognize fibonacci numbers (8 messages, latest: Feb 22 2024 at 17:25)
- ✔ How to debug lean code? Step by Step? (6 messages, latest: Feb 22 2024 at 15:33)
- ✔ Using
exact
with False statements (17 messages, latest: Feb 22 2024 at 14:28) - Simplify proof with ENNReal (4 messages, latest: Feb 22 2024 at 14:10)
- ✔ Change plus to divide => error (32 messages, latest: Feb 22 2024 at 05:46)
- ✔ Help with NNG (10 messages, latest: Feb 21 2024 at 21:12)
- Equality with Types (99 messages, latest: Feb 21 2024 at 20:32)
- obtain tactic vs have (4 messages, latest: Feb 21 2024 at 20:23)
- Hello World (6 messages, latest: Feb 21 2024 at 19:35)
- ✔ guiding rw with partial info on second coordinate (5 messages, latest: Feb 21 2024 at 17:00)
- Trying to understand "use" here (7 messages, latest: Feb 21 2024 at 15:48)
- Help with proofs (5 messages, latest: Feb 21 2024 at 12:01)
- How to reduce the compilation time of this line? (2 messages, latest: Feb 21 2024 at 10:46)
- ✔ Functional Programming in Lean, feline stuck on dquote (16 messages, latest: Feb 21 2024 at 09:42)
- ✔ An error about importing file. (10 messages, latest: Feb 21 2024 at 09:09)
- any advise on the correct attitude for leaning lean? (8 messages, latest: Feb 21 2024 at 06:38)
- This seems easy to prove but cannot autocomplete. (6 messages, latest: Feb 21 2024 at 05:18)
- ✔ Typeclass instance problem is stuck when composing func… (17 messages, latest: Feb 21 2024 at 02:41)
- Why can't linarith prove this goal (11 messages, latest: Feb 21 2024 at 02:34)
- custom messages for tactic failure (18 messages, latest: Feb 20 2024 at 20:21)
- Big Integers intro questions (1 message, latest: Feb 20 2024 at 19:59)
- Minimal Lean+Mathlib setup in Docker (12 messages, latest: Feb 20 2024 at 19:23)
- ✔ Remove hypotheses from context for cleaner induction (5 messages, latest: Feb 20 2024 at 19:19)
- Hello, world! :).html) (7 messages, latest: Feb 20 2024 at 18:52)
- ✔ Inductive type parameters (3 messages, latest: Feb 20 2024 at 14:03)
- ✔ How to prove the mul_assoc in this Group? (21 messages, latest: Feb 20 2024 at 08:00)
- ✔ Pair set in proposition (8 messages, latest: Feb 20 2024 at 05:12)
- ✔ Termination by upper bound (11 messages, latest: Feb 20 2024 at 01:01)
- Subset of distinct elements (3 messages, latest: Feb 19 2024 at 21:17)
- Hacky induction - are there alternatives? (17 messages, latest: Feb 19 2024 at 17:04)
- ✔ Obtaining membership proof from Lean.Internal.CoeM (16 messages, latest: Feb 19 2024 at 16:36)
- Partial unfolding (10 messages, latest: Feb 19 2024 at 16:22)
- ✔ "constant fusion" in TPIL sec8's exercise (5 messages, latest: Feb 19 2024 at 16:12)
- K theory (12 messages, latest: Feb 19 2024 at 14:16)
- proving mutual dependent termination (3 messages, latest: Feb 19 2024 at 11:20)
- ✔ Cache issues with mathlib dependency (10 messages, latest: Feb 19 2024 at 00:11)
- ✔ Write access non-master branches (7 messages, latest: Feb 18 2024 at 22:30)
- What should I read first if I want to verify algorithms? (4 messages, latest: Feb 18 2024 at 17:01)
- ✔ Using
rewrite
for goals with anexists
quantifer. (11 messages, latest: Feb 18 2024 at 16:05) - ✔ Basic foldr usage (8 messages, latest: Feb 18 2024 at 05:32)
- Equality of vectors is injective (7 messages, latest: Feb 17 2024 at 22:37)
- How to introduce a list of numbers or a list of functions? (12 messages, latest: Feb 17 2024 at 17:55)
- ✔ Stating propositions containing
exactly one
in lean (26 messages, latest: Feb 17 2024 at 14:06) - ✔ Inaccessible Pattern and well definedness of the inverse (8 messages, latest: Feb 17 2024 at 12:39)
- World: Family Combination World (49 messages, latest: Feb 17 2024 at 01:27)
- How to write a Group instance for xor? (10 messages, latest: Feb 16 2024 at 23:36)
- unknown package 'Mathlib' (4 messages, latest: Feb 16 2024 at 18:41)
- stuck proving divisibility theorem (26 messages, latest: Feb 16 2024 at 18:39)
- ✔ Why does infer_instance fail here (13 messages, latest: Feb 16 2024 at 16:53)
- ✔ takeWile in TPIL8.Induction and Recursion seems problem… (9 messages, latest: Feb 16 2024 at 09:14)
- ✔ Hi everyone! (11 messages, latest: Feb 16 2024 at 07:25)
- Impmentation note uses Lean 3 instead of Lean 4 (2 messages, latest: Feb 16 2024 at 05:23)
- ✔ Mathlib v4.5.0-rc1 (44 messages, latest: Feb 15 2024 at 19:59)
- ✔ Simple question regarding tactics (34 messages, latest: Feb 15 2024 at 19:45)
- ✔ Beginner Questions Sets (6 messages, latest: Feb 15 2024 at 19:05)
- Why does this rewrite fail (7 messages, latest: Feb 15 2024 at 18:54)
- Simplify match-with (14 messages, latest: Feb 15 2024 at 16:44)
- Complex Numbers in Matrices (39 messages, latest: Feb 15 2024 at 16:12)
- Polynomial.Basic - instance semiring (7 messages, latest: Feb 15 2024 at 10:30)
- Proving that n < 2^(n+1) for a natural number n (4 messages, latest: Feb 15 2024 at 09:06)
- ✔ (algebraMap K L).toAlgebra not definitionally equal (9 messages, latest: Feb 15 2024 at 08:56)
- ✔ Ring for Commutative Monoids (27 messages, latest: Feb 15 2024 at 07:37)
- ✔ Pair on a std4 library proof? (4 messages, latest: Feb 15 2024 at 02:20)
- Can some tactic take care of this easy algebra? (10 messages, latest: Feb 14 2024 at 19:03)
- ✔ Proving array index in monadic insertion sort (5 messages, latest: Feb 14 2024 at 17:53)
- ✔ Confusion about cardinality, prop and universes (12 messages, latest: Feb 14 2024 at 17:34)
- Proofs and Tactics (7 messages, latest: Feb 14 2024 at 16:57)
- Proof of the Collatz conjecture ? (29 messages, latest: Feb 14 2024 at 15:54)
- World: Mengenlehre (7 messages, latest: Feb 14 2024 at 13:12)
- append and the related theorem for vector type (16 messages, latest: Feb 14 2024 at 11:33)
- Implicit type in dependent types (5 messages, latest: Feb 13 2024 at 22:11)
- ∀ a ≥ 1, a ≤ 3 → (a - y) ^ 2 ≤ 1 ; since 1 is between … (5 messages, latest: Feb 13 2024 at 21:04)
- failed to find pattern (18 messages, latest: Feb 13 2024 at 18:44)
- ✔ A list of frequently used tactics that can be looked up… (10 messages, latest: Feb 13 2024 at 17:36)
- ✔ A proof of
\|x\| = if x ≥ 0 then x else -x
in mathlib (6 messages, latest: Feb 13 2024 at 16:19) - ✔ rw tactic behaving unexpectedly (5 messages, latest: Feb 13 2024 at 15:03)
- lake in lean4 (5 messages, latest: Feb 13 2024 at 14:38)
- ✔ Quickly solving set-related contradictions (3 messages, latest: Feb 13 2024 at 09:53)
- Performance in Small Projects (3 messages, latest: Feb 13 2024 at 08:46)
- ✔ Calc with SModEq (9 messages, latest: Feb 13 2024 at 08:42)
- new to Lean 4: sorryAx? (8 messages, latest: Feb 13 2024 at 07:12)
- Indexing after List.findIdx? (3 messages, latest: Feb 13 2024 at 02:48)
- Getting evidence from a match statement (7 messages, latest: Feb 12 2024 at 17:40)
- Let Destructuring (5 messages, latest: Feb 12 2024 at 15:35)
- ✔ access map items (8 messages, latest: Feb 12 2024 at 12:16)
cases
on inductive types with sets (5 messages, latest: Feb 12 2024 at 09:57)- terminate lean (4 messages, latest: Feb 12 2024 at 09:41)
- ✔ prrofs and pattern matching (3 messages, latest: Feb 12 2024 at 08:33)
- Why is PProd never in Prop? (4 messages, latest: Feb 12 2024 at 08:16)
- ✔ Questions about
exact
(6 messages, latest: Feb 12 2024 at 07:59) - ✔ Different natural numbers must have different succesors (4 messages, latest: Feb 12 2024 at 07:38)
- ✔ Difference between a lemma and a theorem in Mathlib (9 messages, latest: Feb 12 2024 at 02:09)
- ✔ Pair of Type and Prop (22 messages, latest: Feb 11 2024 at 23:10)
- ✔ Simple question on induction syntax (16 messages, latest: Feb 11 2024 at 20:28)
- Fail to show termination (4 messages, latest: Feb 11 2024 at 19:43)
- not eager placeholder in implicit argument (3 messages, latest: Feb 11 2024 at 19:03)
- ✔ Less than with a divide by zero (8 messages, latest: Feb 11 2024 at 18:51)
- ✔ Maximum recursion depth reached (16 messages, latest: Feb 11 2024 at 17:54)
- ✔ Believe I've solved a subgoal in this proof, but haven't? (13 messages, latest: Feb 11 2024 at 16:40)
- conventions regarding combining simp and rw (9 messages, latest: Feb 10 2024 at 22:31)
- How to prove it with lean (14 messages, latest: Feb 10 2024 at 21:34)
- Lucienne Felix (33 messages, latest: Feb 10 2024 at 21:32)
- ✔ Timeout at 'whnf' when applying inclusion-exclusion (22 messages, latest: Feb 10 2024 at 20:44)
- Invoking tactics from another tactic (17 messages, latest: Feb 10 2024 at 19:39)
- Lean & Mathlib feel consistent/coherent to mathematicians? (8 messages, latest: Feb 10 2024 at 19:30)
- Plagiarism check on Zulipchat (2 messages, latest: Feb 10 2024 at 19:07)
- ✔ use type equality (4 messages, latest: Feb 10 2024 at 16:58)
- How to get the least element of a set of natural numbers? (7 messages, latest: Feb 10 2024 at 16:48)
- ✔ turning a structure into a class (36 messages, latest: Feb 10 2024 at 13:58)
- ✔ Eval of polynomial (25 messages, latest: Feb 09 2024 at 20:53)
- commuting casting with integration (7 messages, latest: Feb 09 2024 at 19:29)
- A name for bundling indices and a data structure together (7 messages, latest: Feb 09 2024 at 17:23)
- ✔ Degree polynomial Q[X] = K[X] (7 messages, latest: Feb 09 2024 at 17:02)
- ✔ Polynomial irreducible (23 messages, latest: Feb 09 2024 at 16:27)
- ✔ List of variable types (13 messages, latest: Feb 09 2024 at 13:22)
- Code smell? (181 messages, latest: Feb 09 2024 at 11:14)
- Cannot close goal while present in tactic state (15 messages, latest: Feb 09 2024 at 08:52)
- worth copying defeq uIoc/uIcc lemmas? (6 messages, latest: Feb 09 2024 at 08:36)
- ✔ How to take min among a family of integers (7 messages, latest: Feb 08 2024 at 18:59)
- Minimum viable set of tactics for mathematics undergraduates (15 messages, latest: Feb 08 2024 at 17:42)
- Lean 4 university course lectures? (10 messages, latest: Feb 08 2024 at 17:06)
- Division by 1 (15 messages, latest: Feb 08 2024 at 16:36)
- SMul borks with SubNegMonoid (19 messages, latest: Feb 07 2024 at 22:30)
- What's under the hood of of_decide_eq_true? (20 messages, latest: Feb 07 2024 at 21:54)
- Does this theorem exist in Mathlib? (8 messages, latest: Feb 07 2024 at 15:33)
- lean4checker found a problem in ProofWidgets.Data.Svg (54 messages, latest: Feb 07 2024 at 14:57)
- list comprehensions (7 messages, latest: Feb 07 2024 at 11:47)
- World: Abbildungen (7 messages, latest: Feb 07 2024 at 10:43)
- CoC book like "Programming in Martin-Löf’s Type Theory"? (1 message, latest: Feb 07 2024 at 03:55)
intro
introduces hypothesis for contradiction (6 messages, latest: Feb 07 2024 at 01:46)- install lean3 on windows (17 messages, latest: Feb 06 2024 at 22:28)
- stupid inequality (4 messages, latest: Feb 06 2024 at 18:15)
- ✔ Show Proof. in Lean (4 messages, latest: Feb 06 2024 at 13:45)
- linarith failure with divison (4 messages, latest: Feb 06 2024 at 13:45)
- How to express "precisely one of … holds?" (4 messages, latest: Feb 06 2024 at 11:39)
- Why won't dsimp reduce 'plus a (succ b)'? (9 messages, latest: Feb 06 2024 at 09:11)
- ✔ What is the equivalent of Haskell's
deriving Show
? (5 messages, latest: Feb 06 2024 at 05:30) - Why do I need to unfold here? (9 messages, latest: Feb 06 2024 at 00:52)
- Any ideas for a formalization project? (30 messages, latest: Feb 05 2024 at 23:39)
- Set membership equivalence (5 messages, latest: Feb 05 2024 at 23:08)
- syntax to negate a propositional hypothesis? (23 messages, latest: Feb 05 2024 at 22:10)
- Proving termination of a function that updates array (6 messages, latest: Feb 05 2024 at 19:23)
- advantage of
notation
overdef
? (6 messages, latest: Feb 05 2024 at 18:55) - Is this function present in mathlib4? (6 messages, latest: Feb 05 2024 at 11:35)
- Subset of an empty set is empty (3 messages, latest: Feb 05 2024 at 10:25)
- Help with double induction (12 messages, latest: Feb 04 2024 at 19:23)
- Most Lean-onic way to do
byCases
in tactic mode (4 messages, latest: Feb 04 2024 at 18:39) - ✔ LieSubalgebra chain (4 messages, latest: Feb 04 2024 at 17:33)
- Help with Inductively Defined Propositions (41 messages, latest: Feb 04 2024 at 13:28)
- ✔ The case names in
match
,cases
andinduction
? (4 messages, latest: Feb 04 2024 at 08:44) - ✔ Example projects involving probability (7 messages, latest: Feb 04 2024 at 08:16)
- MeasurableDiv for Complex and Real types (35 messages, latest: Feb 04 2024 at 07:35)
- Zero-argument tactic usage in Mathlib (9 messages, latest: Feb 03 2024 at 20:46)
- What can be in a structure? (9 messages, latest: Feb 03 2024 at 20:20)
- How to explore all branches using repeat or otherwise (11 messages, latest: Feb 03 2024 at 18:17)
- application type mismatch (4 messages, latest: Feb 03 2024 at 13:19)
- Prove set membership (14 messages, latest: Feb 02 2024 at 21:10)
- Example of adding clauses to get_elem_tactic_trivial (1 message, latest: Feb 02 2024 at 19:42)
- ✔ Stuck on an easy result involving Finset (21 messages, latest: Feb 02 2024 at 12:05)
- Need help to understand strict implicit vs implicit (18 messages, latest: Feb 02 2024 at 11:52)
- A simple equivalence between topological vector spaces (9 messages, latest: Feb 02 2024 at 09:23)
- ✔ add Mathlib (7 messages, latest: Feb 02 2024 at 08:09)
- instance subtypeCoe on Vector (10 messages, latest: Feb 02 2024 at 07:25)
- isomorphism between subgroups (12 messages, latest: Feb 02 2024 at 06:20)
- Code review / What (things) am I doing wrong (4 messages, latest: Feb 02 2024 at 04:57)
- Can someone help me to solve this problem in VSCode (24 messages, latest: Feb 02 2024 at 04:23)
- ✔ assumptions and proofs (7 messages, latest: Feb 01 2024 at 18:43)
- Proving an element of a power set (12 messages, latest: Feb 01 2024 at 16:25)
- Failing to unify with sets (1 message, latest: Feb 01 2024 at 16:10)
- ✔ power of a type using cartesian product (34 messages, latest: Feb 01 2024 at 11:36)
- ✔ simp and rw doesn't work (3 messages, latest: Feb 01 2024 at 10:02)
- ✔ A set that must be a singleton (69 messages, latest: Feb 01 2024 at 09:31)
- ✔ rewriting set difference? (9 messages, latest: Feb 01 2024 at 08:32)
- Proving membership of a set literal in Lean 4 (4 messages, latest: Feb 01 2024 at 08:12)
- Lean macro error (6 messages, latest: Feb 01 2024 at 03:04)
- Installation on windows (16 messages, latest: Feb 01 2024 at 02:20)
- Tactic hierarchies in Lean/Mathlib (17 messages, latest: Jan 31 2024 at 23:12)
- ✔ using extensionality after case distinction on attributes (22 messages, latest: Jan 31 2024 at 21:46)
- ✔ Computable power sets (4 messages, latest: Jan 31 2024 at 21:42)
- ✔ Sum over a set of integers (4 messages, latest: Jan 31 2024 at 20:37)
- "lake exe cache get" fails with lean4:stable (3 messages, latest: Jan 31 2024 at 10:17)
- Make matrix reindex computable (6 messages, latest: Jan 31 2024 at 06:44)
- ✔ How do you get the current time? (6 messages, latest: Jan 30 2024 at 20:08)
- How To Prove it in Lean Example_3_2_4 (8 messages, latest: Jan 30 2024 at 19:31)
- Modeling of dictionaries and partial functions (3 messages, latest: Jan 30 2024 at 17:55)
- ✔ World: Quantus (3 messages, latest: Jan 30 2024 at 17:05)
- Converting a native Float into a Rat? (4 messages, latest: Jan 30 2024 at 15:17)
- Group and CommGroup: is this what coercions do? (3 messages, latest: Jan 30 2024 at 06:55)
- @[simp] and minimizing boilerplate (3 messages, latest: Jan 29 2024 at 23:14)
- Proof obligations of Mathlib's Group: ∀ a, a * 1 = a (3 messages, latest: Jan 29 2024 at 22:38)
- LeftInverse does not recognize functions (10 messages, latest: Jan 29 2024 at 22:17)
- ✔ Sum of eigenvalues of an Hermitian matrix (10 messages, latest: Jan 29 2024 at 22:16)
- ✔ rewrite failed, but the pattern seems to be the express… (12 messages, latest: Jan 29 2024 at 21:17)
- Formalizing Strong Completeness of Normal Modal Logic (1 message, latest: Jan 29 2024 at 19:38)
- Sub-goals for steps in an induction (10 messages, latest: Jan 29 2024 at 17:24)
- ✔ associativity of 4 elements (24 messages, latest: Jan 29 2024 at 17:03)
- Any advice for advoiding type class ambiguities? (4 messages, latest: Jan 29 2024 at 16:51)
- Simplify - missing elements in a list (43 messages, latest: Jan 29 2024 at 16:01)
- ✔ k-dimensional module over a ring (13 messages, latest: Jan 29 2024 at 15:55)
- Tactic for simplification in division with many variables? (7 messages, latest: Jan 29 2024 at 15:39)
- Proof of Project Euler 1 – Feedback (7 messages, latest: Jan 29 2024 at 15:14)
- Indexing a list gives you an element of the list (5 messages, latest: Jan 29 2024 at 14:07)
- ✔ Extract equality from pattern (4 messages, latest: Jan 29 2024 at 11:42)
- Proving set equality in class (1 message, latest: Jan 29 2024 at 07:40)
- Statement about set & subsets (4 messages, latest: Jan 29 2024 at 04:00)
- How to multiply both sides of an inequality by a positive (7 messages, latest: Jan 28 2024 at 18:54)
- ✔ World: Implis (3 messages, latest: Jan 28 2024 at 17:38)
- ✔ issues with induction, assumptions are modified (15 messages, latest: Jan 28 2024 at 16:56)
- ✔ How does nth_rewrite select its open variables? (4 messages, latest: Jan 28 2024 at 16:28)
- Proof on array indices (2 messages, latest: Jan 28 2024 at 14:47)
- Lean 4 books with direct PDF access (7 messages, latest: Jan 28 2024 at 08:03)
- ✔ How can I make sInf is in a set given that the set is c… (14 messages, latest: Jan 28 2024 at 01:34)
- ✔ Mathematics in Lean section 2.2 Question about apply (9 messages, latest: Jan 28 2024 at 00:25)
- Setup doc-gen (4 messages, latest: Jan 27 2024 at 20:47)
- ✔ auto-formatting? (3 messages, latest: Jan 27 2024 at 08:17)
- Idiomatic Instance Declarations (13 messages, latest: Jan 27 2024 at 07:50)
- equality of coerced terms (4 messages, latest: Jan 27 2024 at 04:45)
- Chain of Kronecker products (or pow of types) (34 messages, latest: Jan 26 2024 at 22:15)
- ✔ resolving universe conflicts (5 messages, latest: Jan 26 2024 at 21:33)
- Set operation with 2 inputs are not supported (5 messages, latest: Jan 26 2024 at 20:49)
- How can I direct apply to use my variables? (3 messages, latest: Jan 26 2024 at 18:16)
- ✔ Refining an instance of a typeclass (6 messages, latest: Jan 26 2024 at 16:48)
- ✔ Changing Notation Throughout a File (7 messages, latest: Jan 26 2024 at 16:46)
- Proving termination for mutually inductive proofs (13 messages, latest: Jan 26 2024 at 15:40)
- implicit assumptions in functions (1 message, latest: Jan 26 2024 at 12:40)
- what does Eq.trans apply to? (18 messages, latest: Jan 26 2024 at 11:24)
- ✔ Using a defined topology (7 messages, latest: Jan 26 2024 at 10:46)
- Numerical computations plus inequalities (4 messages, latest: Jan 26 2024 at 08:49)
- Lean as a proof assistant for students (3 messages, latest: Jan 26 2024 at 08:03)
- Beginner Computer Science Examples (6 messages, latest: Jan 25 2024 at 18:45)
- ✔ The most commonly used non-ASCII notation in Mathlib (22 messages, latest: Jan 25 2024 at 16:21)
- World: Family Union World (3 messages, latest: Jan 25 2024 at 15:37)
- Macro System (3 messages, latest: Jan 25 2024 at 10:48)
- Some basic questions (149 messages, latest: Jan 25 2024 at 09:36)
- ✔ mutual inductives (5 messages, latest: Jan 24 2024 at 13:00)
- ✔ assumptions/prrofs newbie (4 messages, latest: Jan 24 2024 at 12:52)
calc
failed to synthesize simple equalities (15 messages, latest: Jan 24 2024 at 09:46)- integrate with other math software (4 messages, latest: Jan 24 2024 at 06:30)
- World: Family Intersection World (17 messages, latest: Jan 24 2024 at 05:56)
- ✔ Non-integer complex numbers are noncomputable (10 messages, latest: Jan 23 2024 at 23:52)
- ✔ Tactic combination with disjunction in goal and hypothesis (7 messages, latest: Jan 23 2024 at 22:28)
- Hot key to pause-unpause the tactic state (6 messages, latest: Jan 23 2024 at 21:47)
- ✔ Tactics for small universal quantifiers? (6 messages, latest: Jan 23 2024 at 21:13)
- ✔ typeclass assumptions in mutual inductives (2 messages, latest: Jan 23 2024 at 19:21)
- ✔ Handling of parentheses in type class definitions (5 messages, latest: Jan 23 2024 at 18:20)
SMul
andVAdd
(31 messages, latest: Jan 23 2024 at 16:15)- How to handle name clashes (2 messages, latest: Jan 23 2024 at 15:48)
- How to use try with
rw \[h (by aesop)\]
(1 message, latest: Jan 23 2024 at 15:34) - Baffling error: unknown identifier (7 messages, latest: Jan 23 2024 at 13:07)
- ✔ help with mutual inductive (3 messages, latest: Jan 23 2024 at 12:48)
- ✔ Typeclasses with mutual inductives (4 messages, latest: Jan 23 2024 at 12:08)
- [how lean compares to F](topic/how.20lean.20compares.20to.20F.html) (1 message, latest: Jan 23 2024 at 10:16)
- ✔ Theorem declarations and set-theoretic notation (4 messages, latest: Jan 23 2024 at 06:58)
- ✔ Is it possible to "forward declare" a notation in Lean 4? (7 messages, latest: Jan 23 2024 at 06:58)
- Simplify matrix conjugate transpose (23 messages, latest: Jan 23 2024 at 02:08)
- new user wanting to use lean4 for set theoretic proofs/simpl (19 messages, latest: Jan 23 2024 at 01:42)
- Define a normalized complex vector. (14 messages, latest: Jan 22 2024 at 21:11)
- Defining a group using
class
(9 messages, latest: Jan 22 2024 at 20:50) - introducing myself: Alessio Proietti, Rome, Italy (3 messages, latest: Jan 22 2024 at 18:16)
- ✔
def
withwhere
syntax (4 messages, latest: Jan 22 2024 at 17:12) - ✔ Understanding structure inheritance in Lean (4 messages, latest: Jan 22 2024 at 17:12)
- ✔ Why is this type mismatch? (5 messages, latest: Jan 22 2024 at 16:56)
- ✔ unique record fields (and, probably, a bug) (14 messages, latest: Jan 22 2024 at 12:20)
- Extracting left-hand side from an equality (32 messages, latest: Jan 22 2024 at 11:48)
- Intersection of a families of sets (19 messages, latest: Jan 22 2024 at 06:27)
- ✔ How to run
#check
(or#find
) within a proof script (10 messages, latest: Jan 22 2024 at 04:00) - Induction not from zero (33 messages, latest: Jan 22 2024 at 01:06)
- ✔ pattern matching type class (8 messages, latest: Jan 21 2024 at 20:29)
- ✔ IO in custom monad (6 messages, latest: Jan 21 2024 at 17:31)
- How to do this in Lean? (13 messages, latest: Jan 21 2024 at 16:56)
- Deterministic Timeout (20 messages, latest: Jan 21 2024 at 15:46)
- How to simplify a polynomial (2 messages, latest: Jan 21 2024 at 14:02)
- Edward van de Meent (14 messages, latest: Jan 20 2024 at 18:31)
- ✔ Getting the name of a type (8 messages, latest: Jan 20 2024 at 15:25)
- ✔ well-foundedness of my own inductive? (23 messages, latest: Jan 20 2024 at 13:44)
- ✔ How to convert from summation to arbitrary (5 messages, latest: Jan 20 2024 at 12:37)
- Introducing myself: Dhruv Goswami (1 message, latest: Jan 20 2024 at 11:52)
- ✔ Changes in superscript and subscript in summation (5 messages, latest: Jan 20 2024 at 09:46)
- ✔ Why
apply idt4
fail? (2 messages, latest: Jan 20 2024 at 07:11) - equal lists can be permuted (25 messages, latest: Jan 19 2024 at 20:11)
- An Optional Prop (11 messages, latest: Jan 19 2024 at 18:32)
- heartbeats w/ modules over ring quotients (20 messages, latest: Jan 19 2024 at 17:23)
- ✔ Problem with importing tactics in projects (7 messages, latest: Jan 19 2024 at 17:17)
- ✔ How to fix the sorry (12 messages, latest: Jan 19 2024 at 16:25)
- notation for "type of x" (58 messages, latest: Jan 19 2024 at 16:07)
- RDF Reasoning with Lean, Theorem Databases & Formalising ML (7 messages, latest: Jan 19 2024 at 15:00)
- How to split the sum into two parts (5 messages, latest: Jan 19 2024 at 11:51)
- ✔ How to prove that sums are equal (12 messages, latest: Jan 19 2024 at 05:27)
- beginner project: linear algebra lemma (2 messages, latest: Jan 18 2024 at 19:49)
- ✔ How to reduce Finset.card to distinctness (4 messages, latest: Jan 18 2024 at 18:36)
- automatic proving in lean (2 messages, latest: Jan 18 2024 at 17:34)
- IsOpen vs. IsClosed (19 messages, latest: Jan 18 2024 at 12:25)
- Stuck on a proof requiring coercion (12 messages, latest: Jan 18 2024 at 11:31)
- ✔ Prove the set is not empty (9 messages, latest: Jan 18 2024 at 08:28)
- Looking for a tactic (10 messages, latest: Jan 18 2024 at 07:42)
- ✔ When can Lean infer instances? (8 messages, latest: Jan 18 2024 at 04:07)
- not_or is Demorgan's law but not_and is something unrelated? (7 messages, latest: Jan 17 2024 at 16:55)
- ✔ Why is there no proof of monadic laws in the
Monad
cl… (6 messages, latest: Jan 17 2024 at 16:55) - ✔ How to use the Complex number definition from mathlib? (25 messages, latest: Jan 17 2024 at 13:10)
- Vector/Array indexed by ℕ (19 messages, latest: Jan 17 2024 at 10:07)
decide
not working where #eval does (5 messages, latest: Jan 17 2024 at 08:42)- Tutorial (1 message, latest: Jan 17 2024 at 08:39)
- looping over hashmap runs into error (6 messages, latest: Jan 17 2024 at 06:24)
- sneaky fin cast rant (7 messages, latest: Jan 17 2024 at 00:38)
- "Init Mathlib.Tactic failed" when trying to set-up lean (4 messages, latest: Jan 16 2024 at 22:54)
- Problem installing lean 3 in WSL with leanpkg (3 messages, latest: Jan 16 2024 at 15:43)
- Could not infer OfNat in definition of measure-convolution (18 messages, latest: Jan 16 2024 at 15:32)
- applying theorem statements that contain "match" (4 messages, latest: Jan 16 2024 at 14:11)
- Git merge problem (7 messages, latest: Jan 16 2024 at 12:22)
- opened folder is not a valid lean4 project (4 messages, latest: Jan 16 2024 at 08:16)
- ✔ Why linarith does not work? (4 messages, latest: Jan 16 2024 at 08:03)
- How to fix the sorry? (14 messages, latest: Jan 16 2024 at 05:16)
- modifying let bindings via induction? (9 messages, latest: Jan 16 2024 at 02:59)
- Expand using a definition (11 messages, latest: Jan 16 2024 at 02:54)
- Computable equivalence of types (26 messages, latest: Jan 15 2024 at 21:05)
- Tips on calculations with Reals (7 messages, latest: Jan 15 2024 at 15:46)
- split a sum into even and odd terms (3 messages, latest: Jan 15 2024 at 15:27)
- operational semantics for brainfuck (32 messages, latest: Jan 15 2024 at 15:09)
- applying theorems with mismatched types (22 messages, latest: Jan 15 2024 at 14:58)
- controlling how ext introduces variables (22 messages, latest: Jan 15 2024 at 09:44)
- ✔ How to split a single condition into multiple smaller c… (5 messages, latest: Jan 15 2024 at 06:51)
- ✔ Inequalities in calc proofs (6 messages, latest: Jan 14 2024 at 22:29)
- ✔ Natural Number Game - Need help understanding rw tactic (7 messages, latest: Jan 14 2024 at 19:39)
- What do I need to know to start writing formal proofs? (4 messages, latest: Jan 14 2024 at 18:45)
- ✔ How can I define Lower Moore Familly (11 messages, latest: Jan 14 2024 at 15:46)
- How to rw
f
tofun x => f x
? (22 messages, latest: Jan 14 2024 at 12:20) - ✔ Even/odd Case distinction (3 messages, latest: Jan 14 2024 at 10:40)
- ✔ dependent types pattern matching question (5 messages, latest: Jan 14 2024 at 08:06)
- is the Binomial theorem already implemented? (2 messages, latest: Jan 13 2024 at 09:53)
- ✔ Multiplicative positive real group (14 messages, latest: Jan 13 2024 at 09:00)
- How to use deriv.comp? (2 messages, latest: Jan 13 2024 at 07:19)
- no hashable for char (2 messages, latest: Jan 12 2024 at 23:07)
- How to run a old lean3 project? (85 messages, latest: Jan 12 2024 at 16:46)
- leancopilot (2 messages, latest: Jan 12 2024 at 16:14)
- Problem with instances of new class (8 messages, latest: Jan 12 2024 at 00:02)
- ✔ Finite and Fintype (11 messages, latest: Jan 11 2024 at 22:28)
- How to play natural number game locally, not on browser? (8 messages, latest: Jan 11 2024 at 21:42)
- namespace confusion when inductive constructor has same name (6 messages, latest: Jan 11 2024 at 19:25)
- Proving inequalities (7 messages, latest: Jan 11 2024 at 18:36)
- hint (6 messages, latest: Jan 11 2024 at 14:31)
- ✔ New trouble with linear regression proof. Typecasting i… (5 messages, latest: Jan 10 2024 at 22:40)
- ✔ Trouble with a Proof with Sums; why 0 not equal to 0 (10 messages, latest: Jan 10 2024 at 20:19)
- ✔ Doubts about induction (6 messages, latest: Jan 10 2024 at 17:03)
- VSCode extension infoview error. (2 messages, latest: Jan 10 2024 at 09:09)
- Computable integer bounds for log (3 messages, latest: Jan 10 2024 at 02:45)
- Insert for Finset α (15 messages, latest: Jan 10 2024 at 00:52)
- How to deal with a forIn step? (1 message, latest: Jan 09 2024 at 21:59)
- ✔ push_if (6 messages, latest: Jan 09 2024 at 20:45)
- subalgebra coercion commutes with polynomial evaluation (4 messages, latest: Jan 09 2024 at 20:38)
- ✔ First PR: SchwartzMap.iteratedPDeriv_eq_iteratedFDeriv (5 messages, latest: Jan 09 2024 at 10:18)
- Help: tactic 'rewrite' failed, motive is not type correct (10 messages, latest: Jan 08 2024 at 18:28)
- Opening namespace causes ambiguity (6 messages, latest: Jan 08 2024 at 16:36)
- Duplicate hypothesis (4 messages, latest: Jan 08 2024 at 16:33)
- how to name a theorem about real number (2 messages, latest: Jan 08 2024 at 15:02)
- NormedSpace.exp to rexp (17 messages, latest: Jan 08 2024 at 13:53)
- ✔ Shouldn't Nat.succ_le_succ work both ways? (4 messages, latest: Jan 08 2024 at 12:16)
- error msg in for loop (3 messages, latest: Jan 08 2024 at 10:31)
- is there a way to do multiple
let mut
in 1 line? (3 messages, latest: Jan 08 2024 at 08:31) - Unexpected
#guard_msgs
error (3 messages, latest: Jan 08 2024 at 07:02) - ✔ solved (6 messages, latest: Jan 08 2024 at 06:56)
- ✔ Share videos in Chinese about LinearAlgebra. (16 messages, latest: Jan 08 2024 at 02:34)
- Matching wildcards (5 messages, latest: Jan 08 2024 at 00:14)
- Using cases outside of Prop (6 messages, latest: Jan 08 2024 at 00:09)
- ✔ Help: stating lemma with AList (5 messages, latest: Jan 07 2024 at 23:39)
- mul_const for StrictConcaveOn? (9 messages, latest: Jan 07 2024 at 20:42)
- Doing a new contribution (6 messages, latest: Jan 07 2024 at 17:50)
- stabilizer of a submodule (2 messages, latest: Jan 07 2024 at 17:46)
- ✔ Creating a new Lean project in VSC (3 messages, latest: Jan 07 2024 at 15:14)
- Using refinement types (9 messages, latest: Jan 07 2024 at 11:49)
- option of
lake build
: how to hide info (5 messages, latest: Jan 07 2024 at 07:20) - iInf_pi_sum (was: Failure of pattern matching) (22 messages, latest: Jan 06 2024 at 22:56)
- Modular induction (5 messages, latest: Jan 06 2024 at 19:31)
- Inequalities in "calc" (18 messages, latest: Jan 06 2024 at 09:14)
- proving algebraic facts (6 messages, latest: Jan 06 2024 at 09:09)
- notation in theorem statements (6 messages, latest: Jan 05 2024 at 23:34)
- typing special characters (7 messages, latest: Jan 05 2024 at 22:06)
- Direct comparison test (7 messages, latest: Jan 05 2024 at 17:20)
- Lean vscode high ram usage (17 messages, latest: Jan 05 2024 at 16:57)
- ✔ Difference between Π and ∀? (6 messages, latest: Jan 05 2024 at 15:55)
- ✔ Another possibly basic question (3 messages, latest: Jan 05 2024 at 08:21)
- ✔ tactic for Beta reducing function inside an equation (4 messages, latest: Jan 05 2024 at 02:30)
- Lifting real to complex (53 messages, latest: Jan 04 2024 at 15:23)
- cache issues (34 messages, latest: Jan 04 2024 at 14:04)
- ✔ How to fix k n? (9 messages, latest: Jan 04 2024 at 11:39)
- a problem (56 messages, latest: Jan 04 2024 at 11:38)
- How to prove that a recursively defined function is equal to (1 message, latest: Jan 04 2024 at 10:01)
- Structural Recursion for ToString Instance (28 messages, latest: Jan 03 2024 at 23:32)
- calc but for compositions (7 messages, latest: Jan 03 2024 at 22:38)
- Termination of BFS (1 message, latest: Jan 03 2024 at 21:57)
- Subst in
Finset.attach
sum (5 messages, latest: Jan 03 2024 at 21:05) - Does
p → p
requireopen Classical
? (47 messages, latest: Jan 03 2024 at 20:54) - Questions about Lean's type theory (8 messages, latest: Jan 03 2024 at 15:43)
- Formulating the chocolate bar theorem (7 messages, latest: Jan 03 2024 at 10:24)
- Measurable set of function that maps to inequalities (22 messages, latest: Jan 03 2024 at 09:36)
- hello world (5 messages, latest: Jan 03 2024 at 02:09)
- inductionOn for List.groupBy (5 messages, latest: Jan 03 2024 at 02:00)
- Different behavior with identical types (6 messages, latest: Jan 02 2024 at 23:43)
- Heartbeats and imports (3 messages, latest: Jan 02 2024 at 23:26)
- Embarrassingly simple question about Mathlib example (26 messages, latest: Jan 02 2024 at 22:31)
- Viewing instantiations (7 messages, latest: Jan 02 2024 at 20:10)
- Generating the mathlib docs (2 messages, latest: Jan 02 2024 at 19:47)
- Monad instance complains about missing fields (5 messages, latest: Jan 02 2024 at 16:38)
- can this nesting be implemented in lean? (8 messages, latest: Jan 02 2024 at 10:59)
- Is there an un-Classical version of the
tauto
tactic? (39 messages, latest: Jan 02 2024 at 02:00) - Another Mathlib cache download problem (3 messages, latest: Jan 02 2024 at 01:54)
- (eli5) Unexpected constructor resulting type (5 messages, latest: Jan 01 2024 at 22:11)
- Try Catch (26 messages, latest: Jan 01 2024 at 18:21)
- Toolchain Install, Directory & Server Connection (3 messages, latest: Jan 01 2024 at 11:08)
- cast subtype (7 messages, latest: Jan 01 2024 at 09:47)
- mathlib rebuilding all the time (88 messages, latest: Dec 31 2023 at 18:34)
- Implementing Greedoids (16 messages, latest: Dec 31 2023 at 07:09)
- Showing div is nonneg (3 messages, latest: Dec 31 2023 at 01:29)
- ✔ Associativity of convolution of measures (9 messages, latest: Dec 30 2023 at 21:22)
- How can I invoke a new thread using Lean4? (4 messages, latest: Dec 30 2023 at 12:24)
- odd error message (3 messages, latest: Dec 30 2023 at 10:22)
- unfold through instance of Type Class (6 messages, latest: Dec 30 2023 at 06:51)
- What import links or_assoc with simp (4 messages, latest: Dec 30 2023 at 01:34)
- Lean.MetaEval (Set ℕ) (17 messages, latest: Dec 29 2023 at 23:40)
- Simplifier behavior in computing derivatives (15 messages, latest: Dec 29 2023 at 20:37)
- Computing Finset sort of Finset range (11 messages, latest: Dec 29 2023 at 19:14)
- Singleton type (7 messages, latest: Dec 29 2023 at 17:30)
- Status of "lemma" keyword in Lean 4 (10 messages, latest: Dec 29 2023 at 17:00)
- Looking for theorems to contribute to Mathlib (3 messages, latest: Dec 29 2023 at 14:27)
- ✔ Can functions be created by fixing arbitrary arguments? (6 messages, latest: Dec 29 2023 at 14:16)
- ✔ Scripts in the lakefile that receive arguments (3 messages, latest: Dec 29 2023 at 11:48)
- Converting applicative proofs to tactical proofs (8 messages, latest: Dec 29 2023 at 03:26)
- Help Needed on Natural Number Game 6/8 LessOrEqual (7 messages, latest: Dec 29 2023 at 02:27)
- Tactic to deconstruct monadic syntax (9 messages, latest: Dec 28 2023 at 23:41)
- ✔ Proof by functoriality? (10 messages, latest: Dec 28 2023 at 21:13)
- Natural Number World (5 messages, latest: Dec 28 2023 at 19:33)
- ✔ How to simplify the list I am indexing (6 messages, latest: Dec 28 2023 at 18:46)
- Contributing Lean course materials (3 messages, latest: Dec 28 2023 at 15:16)
- Proving contradictions (6 messages, latest: Dec 28 2023 at 14:33)
- Equivalent of
inversion
tactic? (2 messages, latest: Dec 28 2023 at 12:02) - ✔ How to solve cubic equations? (6 messages, latest: Dec 28 2023 at 09:52)
- Name of cross symbol (5 messages, latest: Dec 28 2023 at 08:27)
- ✔ Why can't some parameters behind refine A be specially … (6 messages, latest: Dec 28 2023 at 04:31)
- ✔ OrderedList questions (10 messages, latest: Dec 27 2023 at 13:51)
- ✔ Lean can't find SecondCountableSpace (4 messages, latest: Dec 27 2023 at 07:53)
- Returning type based on type arguments (6 messages, latest: Dec 27 2023 at 06:02)
- ✔ Changing endpoint types of an equivalence (3 messages, latest: Dec 27 2023 at 05:12)
- ✔ Proving literal inequality with "use" (6 messages, latest: Dec 26 2023 at 19:38)
- Where to start getting my hands a bit dirty (4 messages, latest: Dec 26 2023 at 18:16)
- ✔ Showing List has nonzero length from element (12 messages, latest: Dec 26 2023 at 16:29)
- ✔ This seems so obvious but i cannot prove it (32 messages, latest: Dec 26 2023 at 15:04)
- ✔ A problem about "Sum" ∑ (8 messages, latest: Dec 26 2023 at 15:03)
- ✔ This seems so obvious but i can't prove. "0"and"∑" (19 messages, latest: Dec 26 2023 at 15:02)
- ✔ Installation errors - lake update (17 messages, latest: Dec 26 2023 at 13:36)
- Struggling to prove this very basic
Fin
lemma (46 messages, latest: Dec 26 2023 at 08:57) - ✔ Lean 4 Completion? (3 messages, latest: Dec 26 2023 at 07:37)
- ✔ Problem about "∃!" (7 messages, latest: Dec 26 2023 at 05:37)
- James Wiles: discord server (3 messages, latest: Dec 26 2023 at 03:52)
- Sort vs Type (15 messages, latest: Dec 26 2023 at 03:30)
- lean4 equivalent of lean3 export of fully elaborated terms (3 messages, latest: Dec 25 2023 at 22:33)
- Want to multiply ineq on both sides, apply_fun is hard (4 messages, latest: Dec 25 2023 at 22:20)
- natural number game comma (44 messages, latest: Dec 25 2023 at 14:50)
- List access error (24 messages, latest: Dec 25 2023 at 02:49)
- Exercise in Local Definitions in Theorem Proving in Lean 4 (2 messages, latest: Dec 25 2023 at 02:08)
- not able to identify the issue (2 messages, latest: Dec 24 2023 at 17:35)
- Finding axioms and theorems in mathlib (9 messages, latest: Dec 24 2023 at 00:01)
- Very Basic question (13 messages, latest: Dec 23 2023 at 23:32)
- List of domain specific tactics (1 message, latest: Dec 23 2023 at 22:56)
- ✔ Question about structures and classes (13 messages, latest: Dec 23 2023 at 21:28)
- Proof of add_left_cancel from Mathematics in Lean (5 messages, latest: Dec 23 2023 at 17:18)
- ✔ IO.FS.Stream for String (5 messages, latest: Dec 23 2023 at 13:35)
- ✔ Obtaining condition from Sum/Prod (16 messages, latest: Dec 22 2023 at 22:33)
- ✔ Proving equality of Sets (4 messages, latest: Dec 22 2023 at 21:45)
- push_neg for iUnion (4 messages, latest: Dec 22 2023 at 14:44)
- ✔ This seems easy, but i cannot solve it… (10 messages, latest: Dec 22 2023 at 13:12)
- Profiling? (14 messages, latest: Dec 22 2023 at 09:13)
- Proof that uses mutual recursion (5 messages, latest: Dec 22 2023 at 08:52)
- ✔ Share videos in Chinese I made… (3 messages, latest: Dec 22 2023 at 03:21)
- rw tactic in NNG4 behaving unexpectedly (6 messages, latest: Dec 21 2023 at 22:45)
- ✔ Confused about simp and bound variables (6 messages, latest: Dec 21 2023 at 18:50)
- Finding algebra equivalence (18 messages, latest: Dec 21 2023 at 17:36)
- ✔ Why some things can not be unfolded and how to proceed (6 messages, latest: Dec 21 2023 at 16:19)
- Questions about DTT (8 messages, latest: Dec 21 2023 at 15:38)
- Difference between structural and well-founded recursion (5 messages, latest: Dec 21 2023 at 14:08)
- Countable analogue of Finset (16 messages, latest: Dec 21 2023 at 13:59)
- Check Lint without making a commit (11 messages, latest: Dec 21 2023 at 13:46)
- Best way to prove that
A 1
is empty in this example? (6 messages, latest: Dec 21 2023 at 07:12) - ✔ How to speed up the compilation of lean files? (22 messages, latest: Dec 21 2023 at 05:19)
- livestream advent of code 2023 (7 messages, latest: Dec 21 2023 at 02:56)
- How implicit arguments are inferred (37 messages, latest: Dec 21 2023 at 00:24)
- is there pattern matching with guards in Lean4 (1 message, latest: Dec 20 2023 at 17:22)
- factoring (4 messages, latest: Dec 20 2023 at 12:22)
- is there pattern matching with guards (1 message, latest: Dec 20 2023 at 10:03)
- ✔ A contradiction via the number of elements in a sequence (11 messages, latest: Dec 20 2023 at 10:02)
- ✔ Constructing a Monotonic Subsequence (12 messages, latest: Dec 20 2023 at 10:01)
- Combining unions with choice functions and an hypothesis (15 messages, latest: Dec 20 2023 at 09:26)
- ✔ How to express reciprocal? (11 messages, latest: Dec 20 2023 at 09:19)
- ✔ Where and How are the "Perm n" generated? (12 messages, latest: Dec 20 2023 at 07:23)
- Tutoring for leaning Lean 4 theorem prooving (1 message, latest: Dec 20 2023 at 06:15)
- ✔ subgoal interface (5 messages, latest: Dec 20 2023 at 04:36)
- import Mathlib.Tactic issues (10 messages, latest: Dec 20 2023 at 02:38)
- Tactics for NNREAL (12 messages, latest: Dec 19 2023 at 21:24)
- Mathematics in Lean (29 messages, latest: Dec 19 2023 at 20:08)
- Tactic combinator to affect all goals except first (21 messages, latest: Dec 19 2023 at 19:39)
- how to get to committing (9 messages, latest: Dec 19 2023 at 16:13)
apply
for goals "without" hypotheses (5 messages, latest: Dec 19 2023 at 14:35)- How to use Std.HashMap (44 messages, latest: Dec 19 2023 at 13:48)
- ✔ Type error (15 messages, latest: Dec 19 2023 at 13:33)
- Create set from universal - existential quantifier pair (10 messages, latest: Dec 19 2023 at 11:35)
- Anton Mellit (8 messages, latest: Dec 19 2023 at 11:19)
- ✔ Can you help me with this sorry? (25 messages, latest: Dec 19 2023 at 08:06)
- Glimpse of Lean Intuitionistic logic (10 messages, latest: Dec 19 2023 at 04:27)
- ✔ Connection between Prop and Bool (7 messages, latest: Dec 18 2023 at 22:20)
Subtype.val
noncomputable? (8 messages, latest: Dec 18 2023 at 22:08)- proving goals with ≠ (15 messages, latest: Dec 18 2023 at 18:02)
- James B. Wilson (71 messages, latest: Dec 18 2023 at 15:27)
- Andrea Bourque Intro (1 message, latest: Dec 18 2023 at 15:13)
- ✔ How do I import Std ? (45 messages, latest: Dec 18 2023 at 13:37)
- Countable union property to finite union property (8 messages, latest: Dec 18 2023 at 10:57)
- How do I get an instance from a def? (5 messages, latest: Dec 18 2023 at 06:31)
- Matrix mergeability (3 messages, latest: Dec 18 2023 at 04:22)
- Noob question about Lean 4 without VS Code (4 messages, latest: Dec 18 2023 at 04:12)
- Type dependent notation (4 messages, latest: Dec 17 2023 at 22:18)
- The mathlib way - mathlib map? graph? (7 messages, latest: Dec 17 2023 at 02:35)
- New PR (6 messages, latest: Dec 16 2023 at 15:25)
- ✔ lean4 csv parser (12 messages, latest: Dec 16 2023 at 14:48)
- Coercion for free algebraic objects (6 messages, latest: Dec 16 2023 at 14:25)
- basic housekeeping question (23 messages, latest: Dec 16 2023 at 01:32)
- Global definition shadowing a local one (7 messages, latest: Dec 15 2023 at 23:52)
- Reasoning of computational complexity in GPTs (34 messages, latest: Dec 15 2023 at 15:56)
- Lean4 errors on MacOS (2 messages, latest: Dec 15 2023 at 07:16)
- ✔ How to find the detailed definition of a "notation" ? (18 messages, latest: Dec 15 2023 at 05:24)
- Syntactically-equal forms don't unify - how to disambiguate? (14 messages, latest: Dec 15 2023 at 03:14)
- Namesapces at EoF (3 messages, latest: Dec 14 2023 at 19:43)
- Coercion is smooth and smul is smooth? (14 messages, latest: Dec 14 2023 at 19:18)
- NNG syntax different from Lean's (22 messages, latest: Dec 14 2023 at 18:40)
- ✔ How to revert an assumption (17 messages, latest: Dec 14 2023 at 16:50)
- ✔ order of inductives affects deriving DecidableEq (7 messages, latest: Dec 14 2023 at 14:17)
- Understanding the eliminator for equality (19 messages, latest: Dec 14 2023 at 11:01)
- ✔
cases
polluting the theorem signature (4 messages, latest: Dec 14 2023 at 07:32) - deduce
a = 0
froma = -I*a
(2 messages, latest: Dec 14 2023 at 05:54) - Comparing indicator with real (42 messages, latest: Dec 14 2023 at 02:41)
- Determining What Aesop Applied Before Failing (13 messages, latest: Dec 14 2023 at 02:35)
- Repr for Ordering (3 messages, latest: Dec 13 2023 at 20:37)
- Proof of termination and mutual recursion (6 messages, latest: Dec 13 2023 at 19:20)
- ✔ How to unfold a instance? (11 messages, latest: Dec 13 2023 at 01:53)
- Understanding a basic error. (5 messages, latest: Dec 12 2023 at 23:00)
- Prove that a matrix is Hermitian (18 messages, latest: Dec 12 2023 at 21:30)
- What is tauto doing? (2 messages, latest: Dec 12 2023 at 20:35)
- ✔ multiline strings (10 messages, latest: Dec 12 2023 at 16:49)
- Is there an easy way to get obvious instances on structures? (8 messages, latest: Dec 12 2023 at 16:42)
- Running lean on Android (3 messages, latest: Dec 12 2023 at 16:01)
- ✔ System-ish libraries or builtins I'm missing? (5 messages, latest: Dec 12 2023 at 05:10)
- Termination of simple recursive function (12 messages, latest: Dec 12 2023 at 03:34)
- ✔ Is there a flipped version of compose? (7 messages, latest: Dec 11 2023 at 21:13)
- ✔ How to learn LinearAlgebra from zero? (27 messages, latest: Dec 11 2023 at 17:38)
- ✔ Why can't I find the Matrix multiplication ? (19 messages, latest: Dec 11 2023 at 17:22)
- Introduction - L (6 messages, latest: Dec 11 2023 at 01:03)
- match: generalizing, motive, etc (18 messages, latest: Dec 11 2023 at 01:02)
- Issue with
add_smul
: Field vs Semiring (10 messages, latest: Dec 10 2023 at 21:40) - ✔ type cast without selecting a term (10 messages, latest: Dec 10 2023 at 20:36)
- how to explicitly rfl for ℚ? (81 messages, latest: Dec 10 2023 at 19:41)
- Using dot notation on type aliases (5 messages, latest: Dec 10 2023 at 19:28)
- XeLaTeX with minted error (42 messages, latest: Dec 10 2023 at 14:51)
- failed to synthesize instance DecidableEq Point (17 messages, latest: Dec 09 2023 at 22:45)
- ✔ Unknown package 'Mathlib' (15 messages, latest: Dec 09 2023 at 21:15)
- rcases vs cases (20 messages, latest: Dec 09 2023 at 20:46)
- Proof that \empty is not a vector space (7 messages, latest: Dec 09 2023 at 19:52)
- ✔ Overloading infixes? (14 messages, latest: Dec 09 2023 at 09:36)
- ✔ apply at fails with h.mp (10 messages, latest: Dec 09 2023 at 08:51)
- How to add NeZero to arbitrary field? (11 messages, latest: Dec 08 2023 at 18:55)
- Similarity between "Exists" and "Sigma" (12 messages, latest: Dec 08 2023 at 18:55)
- Breakage in lean4+nix workflow (13 messages, latest: Dec 08 2023 at 17:18)
- Split into two case (8 messages, latest: Dec 07 2023 at 19:44)
- rcases … with (2 messages, latest: Dec 07 2023 at 16:54)
- ✔ intersection of intersection (10 messages, latest: Dec 07 2023 at 13:21)
- Issue with Module.neg_one_smul? (15 messages, latest: Dec 07 2023 at 07:42)
- ✔ Update hypothesis after rewriting mentioned variable (16 messages, latest: Dec 06 2023 at 23:20)
- Minimal axioms for Module (24 messages, latest: Dec 06 2023 at 20:14)
- lake update error (9 messages, latest: Dec 06 2023 at 18:28)
- ✔ Nat.Prime factor of Integer (8 messages, latest: Dec 06 2023 at 17:17)
- ✔ Why an
import
isn't pulling indef
s (12 messages, latest: Dec 06 2023 at 14:44) - Why failing to unify? (9 messages, latest: Dec 06 2023 at 14:41)
- ✔ Congr in hypothesis (12 messages, latest: Dec 06 2023 at 13:36)
- Opening Definitions (3 messages, latest: Dec 06 2023 at 12:23)
- Introducing myself: Martin C. Martin (6 messages, latest: Dec 06 2023 at 08:59)
- ✔ Coercion and linear maps (9 messages, latest: Dec 06 2023 at 08:32)
- Structuring Code / importing Modules (10 messages, latest: Dec 05 2023 at 23:40)
- ✔ Optimizing proof of silly inequality (26 messages, latest: Dec 05 2023 at 21:04)
- Euclid's proof from LftCM 2023 tutorial (13 messages, latest: Dec 05 2023 at 18:09)
- Has type (2 messages, latest: Dec 05 2023 at 14:59)
- issue defining hpow for iterating functions (11 messages, latest: Dec 05 2023 at 09:36)
- ✔ What on earth is wrong with this rewrite? (11 messages, latest: Dec 05 2023 at 08:24)
- Is there any tools to extract repeated proofs from existing (1 message, latest: Dec 05 2023 at 06:08)
- Can I add custom math set to lean 4 with custom propreties ? (30 messages, latest: Dec 04 2023 at 23:05)
- Clearing goal name (12 messages, latest: Dec 04 2023 at 20:47)
- does lean have int8s (4 messages, latest: Dec 04 2023 at 19:49)
- ✔ Defining arithmetic sequences (4 messages, latest: Dec 04 2023 at 16:49)
- ✔ proof aeval with calc (27 messages, latest: Dec 04 2023 at 13:45)
- ✔
simp
behavior (FP book) (5 messages, latest: Dec 04 2023 at 12:51) - How to understand this "=" in "h = h₂"? (13 messages, latest: Dec 04 2023 at 08:04)
- Looking for a Nat theorem (31 messages, latest: Dec 04 2023 at 07:31)
- ✔ Proving thms about Nat function which does not decrease… (6 messages, latest: Dec 04 2023 at 04:46)
- rw docs (4 messages, latest: Dec 04 2023 at 00:32)
- ✔
norm_num
weirdness (10 messages, latest: Dec 03 2023 at 21:55) - Ideas for proving this number theory lemma (4 messages, latest: Dec 03 2023 at 18:05)
- How to deduce False from -1 = 1 ? (6 messages, latest: Dec 03 2023 at 09:38)
- ✔ mul into smul (6 messages, latest: Dec 03 2023 at 09:33)
- trading \exists for \forall (3 messages, latest: Dec 03 2023 at 07:28)
- rw inside of List.get (34 messages, latest: Dec 03 2023 at 02:10)
- Super basic linear algebra in Mathlib? (28 messages, latest: Dec 02 2023 at 20:47)
- Proofs about garbage values? (17 messages, latest: Dec 02 2023 at 09:59)
- Beginner contributing Presburger to Automata Theory? (4 messages, latest: Dec 01 2023 at 23:42)
- ✔ Visual Studio Code: Force not replacing "..." (8 messages, latest: Dec 01 2023 at 22:39)
- Difficulty with dif_pos (9 messages, latest: Dec 01 2023 at 21:54)
- How to use Substring? (5 messages, latest: Dec 01 2023 at 17:23)
- ✔ Casting inequality from Nat to Real (5 messages, latest: Dec 01 2023 at 14:54)
- ✔ Lean4 setup in nix (7 messages, latest: Dec 01 2023 at 08:59)
- The category of sets in mathlib (5 messages, latest: Dec 01 2023 at 06:34)
- ✔ how to call a function with flattened arguments (13 messages, latest: Dec 01 2023 at 01:11)
- Can you import the definitions and theorems covered in NNG? (8 messages, latest: Dec 01 2023 at 00:51)
- Failed to synthesize despite abbrev (3 messages, latest: Nov 30 2023 at 23:01)
- closure of Finset under a decreasing function (1 message, latest: Nov 30 2023 at 19:50)
- how to debug a macro (4 messages, latest: Nov 30 2023 at 18:33)
- ✔ Limit of sequences? (9 messages, latest: Nov 30 2023 at 17:08)
- ✔ Wrong rational still proves denominator inequality (4 messages, latest: Nov 30 2023 at 15:08)
- ✔ differentiableAt_const typeclass instance problem is stuck (4 messages, latest: Nov 30 2023 at 11:17)
- ✔
rw \[deriv_cexp\]
creates goal without name, how to swi… (6 messages, latest: Nov 30 2023 at 05:39) - ✔ How to keep hypothesis in do block as we do in match term (4 messages, latest: Nov 30 2023 at 02:23)
- ✔ Polynomial uncomputable (13 messages, latest: Nov 30 2023 at 00:42)
- TensorProduct is zero iff (10 messages, latest: Nov 30 2023 at 00:26)
- ✔ Or.rec (11 messages, latest: Nov 29 2023 at 22:44)
- Write a function to find the last entry in a list (7 messages, latest: Nov 29 2023 at 22:32)
- Document Generation in Lean (4 messages, latest: Nov 29 2023 at 11:11)
- ✔ Mathlib.Algebra.Group.Defs._auxLemma , unknown identif… (22 messages, latest: Nov 29 2023 at 09:23)
- Set complement (superscript c) notation defined? (10 messages, latest: Nov 29 2023 at 02:06)
- How to prove that the real number 2 < 3? (14 messages, latest: Nov 28 2023 at 19:37)
- NormedAddCommGroup for real intervals (18 messages, latest: Nov 28 2023 at 19:06)
- ✔ The ∧ Operator (19 messages, latest: Nov 28 2023 at 16:50)
- ✔ I'm stuck trying to reason with "∀ᶠ" (5 messages, latest: Nov 28 2023 at 15:48)
- modular proofs? (4 messages, latest: Nov 28 2023 at 13:50)
- ✔ Project Euler 3 and imperative programming (4 messages, latest: Nov 28 2023 at 12:24)
- ✔ Confuse about Irrational Square 2: (9 messages, latest: Nov 28 2023 at 09:47)
- How to change a complex tactic into a few easy tactic? (1 message, latest: Nov 28 2023 at 04:28)
- Rewrite "within" in Tendsto nhdsWithin (25 messages, latest: Nov 27 2023 at 22:33)
- Finset.card Finset.Univ the same as Fintype.card V? (7 messages, latest: Nov 27 2023 at 20:12)
- confusing error message trying to prove 2 fns equal (10 messages, latest: Nov 27 2023 at 16:49)
- repeated roots (7 messages, latest: Nov 27 2023 at 10:58)
- ✔ how to understand multiplicity and finite_int_iff in here? (33 messages, latest: Nov 27 2023 at 09:15)
- multiply LHS and RHS by two (22 messages, latest: Nov 27 2023 at 06:44)
- Submodule generated by two free submodules of a free module (12 messages, latest: Nov 27 2023 at 00:34)
- Running Lean 4 on macOS 10.13.6 (2 messages, latest: Nov 26 2023 at 17:57)
- Natural number game 4/8 (6 messages, latest: Nov 26 2023 at 16:37)
- ✔ argmin of f on finset (5 messages, latest: Nov 26 2023 at 10:38)
- ✔ Proofs of Nat inequalities involving subtraction are long (5 messages, latest: Nov 26 2023 at 03:06)
- Simplify function composition (10 messages, latest: Nov 25 2023 at 18:41)
- Grab the nth argument of a function call via metaprogramming (9 messages, latest: Nov 25 2023 at 18:04)
- Natural number game 7/10 mul_pow (3 messages, latest: Nov 25 2023 at 16:46)
- "No Goals" earlier than expected. (7 messages, latest: Nov 25 2023 at 10:16)
- Equality of structure with single constructor (14 messages, latest: Nov 25 2023 at 09:59)
- ✔ Check that a type
T
is an instance of type classC
(4 messages, latest: Nov 25 2023 at 08:33) - ✔ Is there any theorem or tactic for enumerate n : N , n… (3 messages, latest: Nov 25 2023 at 06:27)
- ✔ Namespace for Terms (6 messages, latest: Nov 25 2023 at 02:54)
- ✔ Lean 4 equivalent of Lean 3's split tactic (4 messages, latest: Nov 25 2023 at 02:12)
- Correct use of lean-auto (12 messages, latest: Nov 25 2023 at 01:48)
- ✔ Symmetrising integrand on a symmetric domain (3 messages, latest: Nov 24 2023 at 23:29)
- feedback on first lean function (1 message, latest: Nov 24 2023 at 23:15)
- ✔ A countable hierarchy of universes (16 messages, latest: Nov 24 2023 at 16:39)
- factorisation tactic (26 messages, latest: Nov 24 2023 at 15:42)
- ✔ simplifying ite in goal (9 messages, latest: Nov 24 2023 at 12:52)
- ✔ check dependency on axiom of choice (7 messages, latest: Nov 24 2023 at 09:42)
- move_oper HAnd.hAnd? (17 messages, latest: Nov 24 2023 at 07:54)
- ✔ how to resolve
Lean.Internal.coeM
(15 messages, latest: Nov 23 2023 at 21:17) - Migration guide (11 messages, latest: Nov 23 2023 at 20:58)
- ✔ Solutions for MiL, proof style (15 messages, latest: Nov 23 2023 at 17:46)
- Why does my refactor break State Monad in FPFL? (1 message, latest: Nov 23 2023 at 16:12)
- Faster way to proof elementary statements (4 messages, latest: Nov 23 2023 at 15:08)
- Proving something about forIn (16 messages, latest: Nov 23 2023 at 13:56)
- ✔ Constructing isomorphism given certain bijective function (9 messages, latest: Nov 23 2023 at 13:01)
- Improve my proof about continuous functions (15 messages, latest: Nov 23 2023 at 09:40)
- ✔
gitignore
file generated bylake new my_project math
(7 messages, latest: Nov 23 2023 at 09:01) - using change of variables (15 messages, latest: Nov 23 2023 at 07:53)
- Physics graduate interested in Lean - advice needed (9 messages, latest: Nov 23 2023 at 03:18)
- How can A freshman learn linear Algebra purely by lean? (9 messages, latest: Nov 23 2023 at 00:01)
- ✔ linarith with nonequalities (8 messages, latest: Nov 22 2023 at 23:48)
- Removing forking as an option "How to Contribute" (1 message, latest: Nov 22 2023 at 22:22)
- ✔
induction x with d hd
fails (5 messages, latest: Nov 22 2023 at 20:35) - Synth Instance Tracing (5 messages, latest: Nov 22 2023 at 19:53)
- ✔ Tag a theorem with
@\[simp\]
doesn't work (4 messages, latest: Nov 22 2023 at 19:09) - conv tactic
change _ by _
(6 messages, latest: Nov 22 2023 at 17:51) - ✔ rw at failing (8 messages, latest: Nov 22 2023 at 17:50)
- ✔ Split constructor goal? (6 messages, latest: Nov 22 2023 at 17:42)
- ✔ Induction on (List.map … ) = (List.map … ) (7 messages, latest: Nov 22 2023 at 17:40)
- ✔ Anyone konw how to prove general formulas of Fibonacci (31 messages, latest: Nov 22 2023 at 16:10)
- Using emoji as a synonym for a function (12 messages, latest: Nov 22 2023 at 14:57)
- how to find all the different proofs of one proposition? (8 messages, latest: Nov 22 2023 at 09:04)
- ✔ solving
ℝ → ℝ → True
(3 messages, latest: Nov 22 2023 at 06:31) - ✔ renaming integrated out variables (13 messages, latest: Nov 22 2023 at 01:37)
- ✔ convert tactic failed, unsolved goals. Lean bug? (15 messages, latest: Nov 22 2023 at 00:52)
- Opening an issue at vscode-lean4 (7 messages, latest: Nov 22 2023 at 00:30)
- Simple Probability Execution (1 message, latest: Nov 22 2023 at 00:01)
- How to apply a hypothesis about the integers to the natural (6 messages, latest: Nov 21 2023 at 23:14)
- Hypotheses in branches (4 messages, latest: Nov 21 2023 at 22:59)
- tactic 'apply' failed, failed to unify probability example (34 messages, latest: Nov 21 2023 at 18:01)
- Sets or types? Or both? (6 messages, latest: Nov 21 2023 at 16:32)
- ✔ Proving Int is not a Group (14 messages, latest: Nov 21 2023 at 15:38)
- Cast Int to Real (4 messages, latest: Nov 21 2023 at 13:41)
- ✔
hint says
cause an error (19 messages, latest: Nov 21 2023 at 10:05) - Sum of two continuous functions is continuous (10 messages, latest: Nov 21 2023 at 09:31)
- flattening a lambda (5 messages, latest: Nov 21 2023 at 01:56)
- ✔ Help with sums (14 messages, latest: Nov 20 2023 at 22:39)
- How to apply a hypothesis about integers to natural numbers (3 messages, latest: Nov 20 2023 at 21:05)
- stabilizers and maximal subgroups (23 messages, latest: Nov 20 2023 at 15:27)
- Limits with positive reals and atBot (7 messages, latest: Nov 20 2023 at 15:12)
- ✔
norm_num
Can not solve simple math in Int. (4 messages, latest: Nov 20 2023 at 12:36) - ✔ Basis is spanning set of quotient space (22 messages, latest: Nov 20 2023 at 09:57)
- exchange order of differentiation and integration (7 messages, latest: Nov 20 2023 at 05:58)
- ✔ conv/enter into integral (7 messages, latest: Nov 19 2023 at 23:00)
- ✔ Induction over expression (14 messages, latest: Nov 19 2023 at 18:17)
- ✔ hide only used once immediately applied hypotheses in V… (12 messages, latest: Nov 19 2023 at 13:53)
- ✔ Cholesky decomposition of positive semidefinite matrices (3 messages, latest: Nov 19 2023 at 11:53)
- ✔ product of two integrals to a double integral (8 messages, latest: Nov 19 2023 at 08:30)
- ✔ how to minimize
import
in lean4 playground (10 messages, latest: Nov 19 2023 at 07:26) - Appling a function to itself (15 messages, latest: Nov 19 2023 at 02:33)
- Is there a way to search theorems? (18 messages, latest: Nov 19 2023 at 02:07)
- ✔ How to handle a conditonal in the goal (4 messages, latest: Nov 18 2023 at 23:35)
- ✔ unknown identifier (7 messages, latest: Nov 18 2023 at 14:17)
- ✔ False Positive Warning:
linter.unusedVariables
(12 messages, latest: Nov 18 2023 at 13:14) - Permuting elements of a list (26 messages, latest: Nov 18 2023 at 07:44)
- Function coercion (6 messages, latest: Nov 18 2023 at 07:27)
- Proof by cases on pattern matches (29 messages, latest: Nov 18 2023 at 00:41)
- failure to see definitional equality? (3 messages, latest: Nov 17 2023 at 20:00)
- Lean way to write {(x₁, x₂, 0) | x₁, x₂ ∈ F} (14 messages, latest: Nov 17 2023 at 19:53)
- Proving in Hilbert System (31 messages, latest: Nov 17 2023 at 18:05)
- Application type mismatch (25 messages, latest: Nov 17 2023 at 15:58)
- Natural Number Game: Level 4 / 9 : the simplest approach (12 messages, latest: Nov 17 2023 at 13:10)
- Why are dependent products with Prop not used? (6 messages, latest: Nov 17 2023 at 10:26)
- bug ? (9 messages, latest: Nov 17 2023 at 09:55)
- Introduction - Steven Clontz (4 messages, latest: Nov 17 2023 at 06:56)
- Some thoughts on tactics and proof readability / portability (3 messages, latest: Nov 17 2023 at 06:48)
- How to debug the search for instances? (3 messages, latest: Nov 16 2023 at 19:49)
- ✔ Ideal Hardware for running Lean (15 messages, latest: Nov 16 2023 at 18:19)
- Project for learning Lean (30 messages, latest: Nov 16 2023 at 15:18)
- Generalizing IMO Shortlist Problems (10 messages, latest: Nov 16 2023 at 09:31)
- How do I simplify a match with ZMod 2? (10 messages, latest: Nov 16 2023 at 02:41)
- Construction of maps (9 messages, latest: Nov 15 2023 at 17:46)
- Basis.mk (10 messages, latest: Nov 15 2023 at 17:00)
- "unknown constant" in recursive mutual def (7 messages, latest: Nov 15 2023 at 16:28)
- ✔ tactic 'apply' failed, failed to unify (6 messages, latest: Nov 15 2023 at 15:13)
- ✔ Get membership hypothesis in
Finset.sum
(7 messages, latest: Nov 15 2023 at 14:53) - Typeclass inference help (17 messages, latest: Nov 15 2023 at 09:43)
- Integrability requirements for FT to whole complex plane (1 message, latest: Nov 15 2023 at 07:47)
- ✔ using
integral_add
(8 messages, latest: Nov 15 2023 at 06:56) - ✔ rewrites under an integral sign (7 messages, latest: Nov 15 2023 at 03:48)
- Implementing Operads? (1 message, latest: Nov 14 2023 at 19:14)
- Noob Question about
induction
Tactic (7 messages, latest: Nov 14 2023 at 17:48) - ✔ Unable to install on a mac m2 (18 messages, latest: Nov 14 2023 at 16:47)
- Examples for using slim_check testing? (2 messages, latest: Nov 14 2023 at 16:35)
- ✔
\[preprocessor.commands\]
in functional programmin in lean (5 messages, latest: Nov 14 2023 at 12:38) - simplify using a let /
intro
an integrated out variable (15 messages, latest: Nov 14 2023 at 08:23) - Possible linter.unusedVariables bug (17 messages, latest: Nov 14 2023 at 08:20)
- No goals after
apply
(4 messages, latest: Nov 14 2023 at 06:10) - Showing group operation is closed on a subset. (85 messages, latest: Nov 14 2023 at 04:33)
- ✔ Stuck at Level 2 / Implication, Lean World (12 messages, latest: Nov 13 2023 at 23:41)
- How to convert the 2:N to 2:R in proof? (9 messages, latest: Nov 13 2023 at 23:02)
- ✔ What does ∫ alias? (8 messages, latest: Nov 13 2023 at 20:31)
- ✔ cardinalities of
X
and⊤ : Set X
are equal (11 messages, latest: Nov 13 2023 at 20:01) - ✔ Proving inequations between products and structures (3 messages, latest: Nov 13 2023 at 14:29)
- Is there a NOOP in Lean? (4 messages, latest: Nov 12 2023 at 22:41)
- ✔ write an instance for Even number (27 messages, latest: Nov 12 2023 at 20:40)
- Division in calc (6 messages, latest: Nov 12 2023 at 19:03)
- Help with inductive family (3 messages, latest: Nov 12 2023 at 18:13)
- ✔ Unique factorization proof (4 messages, latest: Nov 12 2023 at 17:09)
- ✔ how to trace which tatic simp_all use (5 messages, latest: Nov 12 2023 at 15:44)
- ✔ cardinality of
Finset.Icc
(13 messages, latest: Nov 12 2023 at 13:22) - How to define functions from or to intervals. (12 messages, latest: Nov 12 2023 at 12:06)
- ✔ How do I remove proofs other than the one I specified (5 messages, latest: Nov 12 2023 at 07:29)
- ✔ How to solve linear inequality (7 messages, latest: Nov 12 2023 at 03:19)
- Optimal solutions exist for discrete problems (55 messages, latest: Nov 12 2023 at 02:27)
- Quotients and passing an inequality around (1 message, latest: Nov 11 2023 at 19:05)
- simp? message unhelpful in some case " Try this: simp only" (7 messages, latest: Nov 11 2023 at 16:45)
- ✔ CofiniteTopology is Compact (review) (9 messages, latest: Nov 11 2023 at 11:10)
- ✔ mystery about the order on
PartENat
(6 messages, latest: Nov 11 2023 at 10:34) - Cannot convert this Lean 3 lemma to Lean 4 (4 messages, latest: Nov 11 2023 at 07:28)
- ✔ Help with( inductive datatype parameter mismatch) (7 messages, latest: Nov 11 2023 at 00:53)
- Install package (8 messages, latest: Nov 10 2023 at 21:28)
- GAUTAM (9 messages, latest: Nov 10 2023 at 19:43)
- Extracting a proof from an inductively defined Prop (5 messages, latest: Nov 10 2023 at 12:33)
- ✔ Natural number to real number coercions (10 messages, latest: Nov 10 2023 at 07:25)
- Compactness in Metric Spaces (8 messages, latest: Nov 10 2023 at 06:52)
- ✔ What is an idiomatic way of pattern matching a tuple (2 messages, latest: Nov 10 2023 at 05:54)
- ✔ Contributing to mathlib4 (10 messages, latest: Nov 10 2023 at 05:49)
- Why does lean allow undeclared variables in hypotheses? (57 messages, latest: Nov 09 2023 at 22:51)
- Intersection of a collection of sets (17 messages, latest: Nov 09 2023 at 22:38)
- Nat.sub_lt_sub_right (3 messages, latest: Nov 09 2023 at 17:44)
- ofENat (20 messages, latest: Nov 09 2023 at 15:04)
- Add new goal and hypothesis at the same time (19 messages, latest: Nov 09 2023 at 12:26)
- ✔ Pattern match fails to unify function ret value and tuple (6 messages, latest: Nov 09 2023 at 12:20)
- ✔
Ioi
and other intervals (5 messages, latest: Nov 09 2023 at 01:20) - Using Existential in a hypothesis (19 messages, latest: Nov 09 2023 at 00:34)
- Matrix.of help (5 messages, latest: Nov 09 2023 at 00:26)
- ✔ transferring a Lean3 project into Lean4 (9 messages, latest: Nov 08 2023 at 22:27)
- ✔ Real.sqrt Problems (12 messages, latest: Nov 08 2023 at 22:19)
- ✔ how to unwrap option with proof (12 messages, latest: Nov 08 2023 at 18:36)
- proving a function is differentiable (5 messages, latest: Nov 08 2023 at 13:20)
- Contributing to mathlib3 (58 messages, latest: Nov 08 2023 at 11:01)
- ✔ apply function to both sides of a proposition (4 messages, latest: Nov 08 2023 at 10:24)
- ✔ how to refer to declared forall variable? (8 messages, latest: Nov 08 2023 at 09:33)
- ✔ simple(r) way to reorder products? (10 messages, latest: Nov 08 2023 at 07:56)
- zero derivative from minimum value (11 messages, latest: Nov 08 2023 at 07:01)
- ✔ evaluating derivatives (26 messages, latest: Nov 08 2023 at 02:03)
- hello, new to lean & suspect documentation has a mistake (6 messages, latest: Nov 07 2023 at 23:50)
- deriv and integral commute (4 messages, latest: Nov 07 2023 at 21:45)
- ✔ interleaving
rw
andsimp
(25 messages, latest: Nov 07 2023 at 21:14) - ✔ using
exp_ofReal_im
with negative exponentials (9 messages, latest: Nov 07 2023 at 21:12) - ✔ Idiomatic way of enforcing properties of infinite stream (5 messages, latest: Nov 07 2023 at 12:07)
- How to force use of natural powers (5 messages, latest: Nov 07 2023 at 11:51)
- ✔ PR for undergrad pages (7 messages, latest: Nov 07 2023 at 10:07)
- How do I unfold match in the following example? (1 message, latest: Nov 07 2023 at 09:39)
- ✔
rw I_mul_I
fails fory * I * I
(9 messages, latest: Nov 07 2023 at 08:32) - Simplifying commutative ring summations (13 messages, latest: Nov 07 2023 at 01:26)
- cannot find synthesization order for instance (9 messages, latest: Nov 06 2023 at 23:52)
- Is
import Mathlib
bad? (23 messages, latest: Nov 06 2023 at 22:39) - Distributing ↑ over (v + 0) (11 messages, latest: Nov 06 2023 at 21:27)
- RDF graph data model semantics in Lean (1 message, latest: Nov 06 2023 at 21:06)
- ✔ Tactic for focusing on other goal (5 messages, latest: Nov 06 2023 at 20:28)
- Heterogenous vectors (3 messages, latest: Nov 06 2023 at 19:42)
- Working with convex functions (13 messages, latest: Nov 06 2023 at 16:54)
- ✔ updating mathlib4 in a project (47 messages, latest: Nov 06 2023 at 14:27)
- ✔ interchange of
z.re/2
and(z/2).re
(15 messages, latest: Nov 06 2023 at 14:25) - Should namespaces be indented? (19 messages, latest: Nov 06 2023 at 14:24)
- ✔ failed to synthesize instance OfNat (↑I) 0 (6 messages, latest: Nov 06 2023 at 14:00)
- ✔ mod_cast error after applying
exact_mod_cast
(13 messages, latest: Nov 06 2023 at 09:21) - ✔ recover subtype val for proof (18 messages, latest: Nov 06 2023 at 09:01)
- ✔ Timeout using
normSq_nonneg
(13 messages, latest: Nov 06 2023 at 08:57) - ✔ Tactics for rewriting powers (6 messages, latest: Nov 06 2023 at 07:34)
- ✔ Floor function (9 messages, latest: Nov 06 2023 at 04:45)
- EuclideanSpace.single as continuous linear map (1 message, latest: Nov 06 2023 at 03:37)
- Sym2 of Fintype is Fintype (17 messages, latest: Nov 05 2023 at 20:35)
- ✔ deriving Repr error (23 messages, latest: Nov 05 2023 at 19:03)
- ✔ Prop vs Bool (7 messages, latest: Nov 05 2023 at 06:26)
- ✔ Sagredo (6 messages, latest: Nov 05 2023 at 00:26)
- Termination proof using Finset.range (24 messages, latest: Nov 04 2023 at 22:21)
- ✔ Hypothesis p:NNReal, goal p:NNReal (7 messages, latest: Nov 04 2023 at 20:15)
- ✔ autoParam and optParam (14 messages, latest: Nov 04 2023 at 20:06)
- Tactic is never executed (9 messages, latest: Nov 04 2023 at 19:24)
- Debugging coercions (14 messages, latest: Nov 04 2023 at 19:07)
- ✔ Euclidean Topology (6 messages, latest: Nov 04 2023 at 15:18)
- Sum of
Type -> Type
(17 messages, latest: Nov 04 2023 at 11:45) - accessing function outside of namespace (2 messages, latest: Nov 04 2023 at 09:41)
- ✔ VSCode problem (2 messages, latest: Nov 04 2023 at 00:53)
- ✔ Random graph (6 messages, latest: Nov 04 2023 at 00:25)
- 𝔽₂[α, β, γ] / (α², β², γ²) (158 messages, latest: Nov 03 2023 at 22:23)
- ✔ Writing and running unit tests (6 messages, latest: Nov 03 2023 at 18:03)
- ✔ Termination for trees with a list (4 messages, latest: Nov 03 2023 at 17:33)
- ✔ what does "Try this: ring_nf" message mean? (8 messages, latest: Nov 03 2023 at 13:22)
- Waiting for Lean server to start takes forever (15 messages, latest: Nov 03 2023 at 10:35)
- induction with hypothesis with tuple (Prod) (1 message, latest: Nov 03 2023 at 05:53)
- ✔ How do I make macros try (backtrack)next rule when it f… (15 messages, latest: Nov 03 2023 at 03:36)
- How to use defining property of a submonoid? (5 messages, latest: Nov 02 2023 at 23:08)
- Declaring number of elements in a Topological Space (13 messages, latest: Nov 02 2023 at 18:28)
- ✔ cases' and induction' (8 messages, latest: Nov 02 2023 at 16:24)
- ✔ apply failed to unify eq_div_iff_mul_eq' (6 messages, latest: Nov 02 2023 at 15:09)
- Natural number game (204 messages, latest: Nov 02 2023 at 14:56)
- ✔ failed to synthesize instance OfNat C 0 (5 messages, latest: Nov 02 2023 at 08:58)
- ✔ Unifying metavariable in a constructor branch? (8 messages, latest: Nov 02 2023 at 08:15)
- ✔ trouble shooting: lake build fails on mathlib4 (2 messages, latest: Nov 02 2023 at 04:04)
- function with finite norm (14 messages, latest: Nov 02 2023 at 01:44)
- Hamza Shezad (1 message, latest: Nov 02 2023 at 00:09)
- Contribution possibilities (14 messages, latest: Nov 01 2023 at 20:20)
- Failed to synthesize instance (4 messages, latest: Nov 01 2023 at 13:29)
- ✔ unknown identifier 'π' (3 messages, latest: Nov 01 2023 at 12:50)
- CompactIccSpace for unitInterval (40 messages, latest: Nov 01 2023 at 11:22)
cases
andcases'
and hypothesis (1 message, latest: Nov 01 2023 at 07:05)- ✔ How should I unify a goal and a hypothesis that is burried (6 messages, latest: Oct 31 2023 at 17:19)
- ✔ Is there a way I could "save" a metavariable? (4 messages, latest: Oct 31 2023 at 17:18)
- definining lists in Lean 4 (21 messages, latest: Oct 31 2023 at 14:01)
- How to get Lean to calculate square roots (14 messages, latest: Oct 31 2023 at 13:12)
- ✔ how to add "run on lean playground" button to mdbook (3 messages, latest: Oct 31 2023 at 13:11)
- ✔ How is the jump from zulip to lean web editor implemented? (18 messages, latest: Oct 31 2023 at 12:39)
- Odd behavior when defining a instance (5 messages, latest: Oct 31 2023 at 12:03)
- ✔ import of my lean file fails (8 messages, latest: Oct 31 2023 at 09:57)
- ✔ Do we have "Ltac" equivalents in Lean4? (5 messages, latest: Oct 31 2023 at 09:38)
- API docs for Positive distribution (1 message, latest: Oct 31 2023 at 00:50)
- ✔ What should I use for proving properties abstract KVMaps? (4 messages, latest: Oct 30 2023 at 16:37)
- subtype universe constraint problem (2 messages, latest: Oct 30 2023 at 13:24)
- Mahlib CI: time limit on test? Tactic running forever? (8 messages, latest: Oct 30 2023 at 13:23)
- How to use variables properly (3 messages, latest: Oct 30 2023 at 13:08)
- Basic logic by splitting truth cases (30 messages, latest: Oct 30 2023 at 11:57)
- ✔ How can I construct an instance inside proof. (13 messages, latest: Oct 30 2023 at 01:47)
- Termination problem (4 messages, latest: Oct 29 2023 at 22:33)
- Trivial calculations with Reals? (42 messages, latest: Oct 29 2023 at 21:44)
- help with small proof involving Axiom of Choice (1 message, latest: Oct 29 2023 at 20:07)
- Working with fields (13 messages, latest: Oct 28 2023 at 23:26)
- ✔ recursive constructor (7 messages, latest: Oct 28 2023 at 17:23)
- Conjugation action on subgroups (23 messages, latest: Oct 28 2023 at 16:08)
- blogging platform for lean prover (11 messages, latest: Oct 28 2023 at 13:13)
- ✔ axiom of choice in constructing covers (14 messages, latest: Oct 28 2023 at 13:09)
- no leanpkg.exe (14 messages, latest: Oct 28 2023 at 01:07)
- ✔ converting ¬(i = k) to ¬(k = i) (10 messages, latest: Oct 28 2023 at 00:30)
- Nontrivial algebras (36 messages, latest: Oct 27 2023 at 23:01)
- Knapsack Problem: failed to solve (1 message, latest: Oct 27 2023 at 16:17)
- ✔ Knapsack Problem: test does not work (4 messages, latest: Oct 27 2023 at 15:28)
- SetLike docs using Lean 3 or 4 syntax? (6 messages, latest: Oct 27 2023 at 14:06)
- Seemingly weird unification problem (13 messages, latest: Oct 27 2023 at 11:32)
- Notation for subtype arguments (9 messages, latest: Oct 27 2023 at 10:12)
- Nontermating "do" blocks (7 messages, latest: Oct 27 2023 at 03:44)
- ✔ How to get the definition of declModifiers (10 messages, latest: Oct 27 2023 at 00:30)
- Updating mathlib4: "No such file aesop/lakefile.lean" (11 messages, latest: Oct 26 2023 at 21:03)
- Search path for packages? (13 messages, latest: Oct 26 2023 at 20:36)
- ✔ induction with length of list (second) (10 messages, latest: Oct 26 2023 at 16:42)
- Linear algebra game (7 messages, latest: Oct 26 2023 at 16:11)
- Haskell-like Lazy Lists? (10 messages, latest: Oct 26 2023 at 15:59)
- ✔ how to show
min_first
is a permutation? (18 messages, latest: Oct 26 2023 at 10:19) - ✔ Function on Tree type (35 messages, latest: Oct 26 2023 at 09:06)
- ✔ Creating instances of Trans (17 messages, latest: Oct 26 2023 at 07:12)
- ✔ how to access internal lemma of function (12 messages, latest: Oct 25 2023 at 23:27)
- Lean from prelude (2 messages, latest: Oct 25 2023 at 23:01)
- ✔ Getting y = f x from y := f x (14 messages, latest: Oct 25 2023 at 20:31)
- Feedback on a PR draft (39 messages, latest: Oct 25 2023 at 20:23)
- cases syntax (6 messages, latest: Oct 25 2023 at 18:41)
- ✔ transitivity of list permutation (7 messages, latest: Oct 25 2023 at 13:25)
- ✔ visualization with lean4 (6 messages, latest: Oct 25 2023 at 12:07)
- ✔ How to define a function using a function from a finset (4 messages, latest: Oct 25 2023 at 05:43)
- Intuition of why the Schroeder Bernstein is "non-computable" (12 messages, latest: Oct 25 2023 at 01:46)
- ✔ stuck with apply induction on Array structure (3 messages, latest: Oct 25 2023 at 00:12)
- ✔ distance from point to subset of a metric space (16 messages, latest: Oct 24 2023 at 19:35)
- Evaluating Integral at Infinity (2 messages, latest: Oct 24 2023 at 15:13)
- Differentiable because composition of differentiables (41 messages, latest: Oct 24 2023 at 12:55)
- importing Finset breaks deriving DecidableEq (2 messages, latest: Oct 24 2023 at 12:15)
- importing finset breaks deriving DecidableEq (1 message, latest: Oct 24 2023 at 12:12)
- ✔ pattern match in list comprehension (5 messages, latest: Oct 24 2023 at 11:56)
- ✔ Functions for option types.
is_some
andunwrap
(15 messages, latest: Oct 24 2023 at 09:02) - stuck with IntermediateField of IntermediateField (56 messages, latest: Oct 23 2023 at 22:41)
- Error using Mathlib in Gitpod? (6 messages, latest: Oct 23 2023 at 20:28)
- Defining generic extension transition (3 messages, latest: Oct 23 2023 at 19:40)
- induction for mutually inductive types (30 messages, latest: Oct 23 2023 at 19:13)
- order on filter (21 messages, latest: Oct 23 2023 at 16:13)
- Idiomatic way to use Ord Typeclass to get Bools? (13 messages, latest: Oct 23 2023 at 15:27)
- Auto implicit argument (2 messages, latest: Oct 23 2023 at 14:08)
- ✔ Stuck on Natural Numbers Game: mul_pos (9 messages, latest: Oct 23 2023 at 05:56)
- Issue with proof syntax (13 messages, latest: Oct 22 2023 at 20:09)
- Why are two simps needed here? (9 messages, latest: Oct 22 2023 at 16:36)
- Generate random Fin n (13 messages, latest: Oct 22 2023 at 08:01)
- Coercions Disappear (6 messages, latest: Oct 21 2023 at 23:02)
- ✔ Trouble with Exponents in the Reals (14 messages, latest: Oct 21 2023 at 21:44)
- Coercion on type class (3 messages, latest: Oct 21 2023 at 13:57)
- Turn lemma into instance: error `cannot find synthesization (12 messages, latest: Oct 21 2023 at 08:57)
- How to find out which instance was inferred? (5 messages, latest: Oct 21 2023 at 06:16)
- ✔ Lean 4 web and VS (10 messages, latest: Oct 21 2023 at 04:42)
- ✔ How to save the output of
#help
to a file (11 messages, latest: Oct 21 2023 at 03:52) - ✔ Lake build succeeds on local, but fails on GitHub Action (34 messages, latest: Oct 20 2023 at 18:59)
- Simple Termination Argument for Quicksort? (24 messages, latest: Oct 20 2023 at 17:54)
- Fin cast and succ (14 messages, latest: Oct 20 2023 at 09:59)
- Help with proof syntax (7 messages, latest: Oct 20 2023 at 04:09)
- ✔ Bare-bones mathlib4 compilation (27 messages, latest: Oct 19 2023 at 21:29)
- Applications (4 messages, latest: Oct 19 2023 at 19:16)
- Functions in inductive types (1 message, latest: Oct 19 2023 at 12:58)
- ✔ How to do Nested Structures (8 messages, latest: Oct 19 2023 at 01:43)
- ✔ Trouble with summation proof (5 messages, latest: Oct 18 2023 at 22:28)
- ✔ For j in (Fin i) do (5 messages, latest: Oct 18 2023 at 19:51)
- Extending algebra with a coproduct (34 messages, latest: Oct 18 2023 at 19:06)
- type mismatch error (20 messages, latest: Oct 18 2023 at 18:57)
- ✔ Proving type conversion (8 messages, latest: Oct 18 2023 at 14:33)
- ✔ Add "open with lean4 web" button to mdbook (5 messages, latest: Oct 18 2023 at 09:56)
- ✔ lean4 web links to share are too long (11 messages, latest: Oct 18 2023 at 09:56)
- 0 as a member of Icc 0 1 (14 messages, latest: Oct 17 2023 at 20:24)
- Type classes and dependent types (13 messages, latest: Oct 17 2023 at 18:50)
- Font size in Lean Documentation, VS Code (1 message, latest: Oct 17 2023 at 17:24)
- ✔ Reuse derived
Ord
inLinearOrder
instance. (16 messages, latest: Oct 17 2023 at 16:03) - ✔ How do I split 3 cases? (9 messages, latest: Oct 17 2023 at 15:23)
- weird error message (4 messages, latest: Oct 17 2023 at 07:56)
- Match deconstruction of error tactic cases failed (5 messages, latest: Oct 16 2023 at 22:45)
- ✔ Windows 10 LTSC and lake exe cache get (32 messages, latest: Oct 16 2023 at 22:06)
- ✔ Failed to create a new project and import Std, build error (4 messages, latest: Oct 16 2023 at 22:04)
- ✔ can I pattern match ∪ from Union? (8 messages, latest: Oct 16 2023 at 14:56)
- ✔ Natural number game Lean 4 old website version gone? (12 messages, latest: Oct 16 2023 at 13:33)
- ✔ Guidance for implementing results in SAT-related paper (7 messages, latest: Oct 16 2023 at 11:44)
- ✔ Rewriting in
match
statement. (21 messages, latest: Oct 16 2023 at 07:36) - Cheking an entire book with LEAN (5 messages, latest: Oct 15 2023 at 21:15)
- function definition and #check (11 messages, latest: Oct 15 2023 at 14:51)
- Trying to revive a broken Lean project (32 messages, latest: Oct 14 2023 at 22:06)
- ✔ Tell lean that
Decidable A = B
for an inductive type (15 messages, latest: Oct 14 2023 at 06:44) - ✔ Proving Termination of Delayed Function (9 messages, latest: Oct 14 2023 at 01:47)
- dependent elimination failed, failed to solve equation (4 messages, latest: Oct 13 2023 at 17:59)
- Rewrite local
let
definitions (26 messages, latest: Oct 13 2023 at 13:22) - ✔ Beginner struggle with lemma (9 messages, latest: Oct 13 2023 at 10:31)
- ✔ div_mul_cancel not working (18 messages, latest: Oct 13 2023 at 08:17)
- Feedback: have Lean 3 stuff point to Lean 4 equivalent (23 messages, latest: Oct 13 2023 at 07:17)
- Will linarith cheat when I do my exercises? (11 messages, latest: Oct 12 2023 at 09:08)
- Help with proof (9 messages, latest: Oct 12 2023 at 07:28)
- Lean with project Euler (21 messages, latest: Oct 12 2023 at 06:37)
- Lean4 autocomplete (28 messages, latest: Oct 11 2023 at 20:37)
- ✔ Proof sum_of_first_n(n + 1) - sum_of_first_n(n) = n + 1 (18 messages, latest: Oct 11 2023 at 16:48)
- ✔ Getting information from restriction of am integral (8 messages, latest: Oct 11 2023 at 16:21)
- proof about recursive function (16 messages, latest: Oct 11 2023 at 15:52)
- Default values in structure (3 messages, latest: Oct 11 2023 at 12:05)
- ✔ constructing term of indexed type (21 messages, latest: Oct 11 2023 at 10:38)
- ✔ Widget not appearing (12 messages, latest: Oct 11 2023 at 09:38)
- Behavior of 'have' tactic changing with imports (22 messages, latest: Oct 11 2023 at 05:32)
- Recursively Defined Sequence Across Types (2 messages, latest: Oct 10 2023 at 22:05)
- ✔ Proving Specific Limits (8 messages, latest: Oct 10 2023 at 20:37)
- ✔ Intersection of countables is countable in mathlib? (6 messages, latest: Oct 10 2023 at 18:14)
- about sInter (8 messages, latest: Oct 10 2023 at 16:35)
- ✔ Attempting to Prove the Result of a do Block, but stuck (14 messages, latest: Oct 10 2023 at 10:06)
- ✔ Deriving Repr fails when using subtype alias. (15 messages, latest: Oct 10 2023 at 00:52)
- Unexpected Identifier ':' expected command (5 messages, latest: Oct 10 2023 at 00:44)
- rfl and proof of termination (1 message, latest: Oct 09 2023 at 22:19)
- Create a private stream (19 messages, latest: Oct 09 2023 at 21:04)
- mathport reports "uncaught exception" (2 messages, latest: Oct 09 2023 at 19:07)
- Universe-related(?) error when renaming type variables (4 messages, latest: Oct 09 2023 at 18:05)
- ✔ import sqrt (16 messages, latest: Oct 09 2023 at 09:07)
- How long to learn Lean? (33 messages, latest: Oct 09 2023 at 07:58)
- Rewriting a fixed number of times (2 messages, latest: Oct 09 2023 at 07:26)
- Checking that a Monad instance is a Monad (74 messages, latest: Oct 09 2023 at 02:09)
- is there linear algebra course's for beginners? (6 messages, latest: Oct 08 2023 at 22:40)
- ✔ induction with length of list (16 messages, latest: Oct 08 2023 at 20:00)
- Lean 3 or 4? (32 messages, latest: Oct 08 2023 at 15:49)
- Schroder-Bernstein theorem in MIL (1 message, latest: Oct 08 2023 at 04:47)
- Contributing to mathlib4 as a beginner (6 messages, latest: Oct 08 2023 at 04:19)
- x^r * log x near zero (1 message, latest: Oct 08 2023 at 00:32)
- Help declaring Huntington postulates (3 messages, latest: Oct 07 2023 at 17:39)
- Benchmark time (1 message, latest: Oct 07 2023 at 06:49)
- Graph theory project (23 messages, latest: Oct 07 2023 at 00:50)
- Lake uses nonexistent lean version (9 messages, latest: Oct 06 2023 at 12:20)
- Cast term to a subtype (8 messages, latest: Oct 05 2023 at 17:24)
- Starting: Debian, VSCode , Lean4 , tutorial, Paperproof (23 messages, latest: Oct 05 2023 at 17:05)
- ✔ When are types equal (7 messages, latest: Oct 05 2023 at 13:05)
- Declare a continuous function space (37 messages, latest: Oct 05 2023 at 11:09)
- Group presentation hom injective (49 messages, latest: Oct 04 2023 at 17:54)
- iwilare (12 messages, latest: Oct 04 2023 at 16:20)
- Installation on windows using VS Code (16 messages, latest: Oct 04 2023 at 15:49)
- apply at (23 messages, latest: Oct 04 2023 at 14:33)
- synthesization order error in class (9 messages, latest: Oct 03 2023 at 16:50)
- vim support? (51 messages, latest: Oct 03 2023 at 15:44)
- FinVec Option to Option FinVec (7 messages, latest: Oct 03 2023 at 12:55)
- JSON as a string example in Functional Programming book (3 messages, latest: Oct 03 2023 at 07:41)
- ✔ Declare Polynomial on Finite Field (4 messages, latest: Oct 03 2023 at 05:24)
- unspecified system_category errors (3 messages, latest: Oct 03 2023 at 04:51)
- How do I subtract endomorphisms? (4 messages, latest: Oct 03 2023 at 03:40)
- ✔ Trying to install lean4 with mathlib (29 messages, latest: Oct 03 2023 at 00:59)
- ✔ c (2 messages, latest: Oct 02 2023 at 22:50)
- lean-verbose (4 messages, latest: Oct 02 2023 at 22:05)
- Get system time and other machine data? (6 messages, latest: Oct 02 2023 at 21:46)
- Let rec missing from context (3 messages, latest: Oct 02 2023 at 20:56)
- Natural number division partial function (8 messages, latest: Oct 02 2023 at 19:23)
- Lean compilation process (11 messages, latest: Oct 02 2023 at 14:24)
- MathLib installing (14 messages, latest: Oct 02 2023 at 08:06)
- Iterating over constructors of non-recursive inductive (5 messages, latest: Oct 01 2023 at 19:24)
- Proving group theory exercises in lean (25 messages, latest: Oct 01 2023 at 15:21)
- ✔ lean4 NNG offline and online discrepancies (9 messages, latest: Oct 01 2023 at 07:21)
- ✔ More on trusting Lean proofs (26 messages, latest: Sep 30 2023 at 22:47)
- Understanding proof state (60 messages, latest: Sep 30 2023 at 22:30)
- Finiteness of quotients (43 messages, latest: Sep 30 2023 at 16:16)
- disjoint covers of compacts (8 messages, latest: Sep 29 2023 at 21:01)
- Alexander Kurz (4 messages, latest: Sep 29 2023 at 20:56)
- How to do something to both sides of an equation? (18 messages, latest: Sep 29 2023 at 00:43)
- ✔ Use compiled packages (7 messages, latest: Sep 28 2023 at 22:37)
- lake build issues (13 messages, latest: Sep 28 2023 at 21:27)
- combinatorial optimization theory in lean (8 messages, latest: Sep 28 2023 at 21:18)
- ✔ Can one define functions with conditions in Lean? (9 messages, latest: Sep 28 2023 at 19:55)
- Synthetization order error (2 messages, latest: Sep 28 2023 at 18:53)
- per topic intro (7 messages, latest: Sep 28 2023 at 04:59)
- Ascii not (and more) (9 messages, latest: Sep 28 2023 at 01:30)
- ✔ Rick Hu : function and operator lookup in emacs (4 messages, latest: Sep 28 2023 at 00:54)
- What's the difference between rewrite and rw? (4 messages, latest: Sep 27 2023 at 20:01)
- Lean in Visual studio code using Math Lib perfromance (24 messages, latest: Sep 27 2023 at 14:07)
- lake build issues with GlimpseOfLean (38 messages, latest: Sep 27 2023 at 04:49)
- Intro: Joseph Tooby-Smith (10 messages, latest: Sep 26 2023 at 22:13)
- ✔ How do I use
apply?
andrefine
properly? (5 messages, latest: Sep 26 2023 at 17:00) - ✔ How do I refer to hypothesis created by tactics? (9 messages, latest: Sep 26 2023 at 09:25)
- correcting typo in mathlib4 (and 3?) (28 messages, latest: Sep 25 2023 at 20:34)
- Building a basic project (2 messages, latest: Sep 25 2023 at 15:43)
- Building static executables (4 messages, latest: Sep 25 2023 at 14:29)
have
cause error (4 messages, latest: Sep 24 2023 at 20:31)- Inverse image and cast to subsets (15 messages, latest: Sep 24 2023 at 20:24)
- ✔ Automate
lt_of_le_of_ne
? (16 messages, latest: Sep 24 2023 at 20:05) - Literate programming (32 messages, latest: Sep 24 2023 at 18:25)
- ✔ How do placeholders work? (e.g.
?_
or?a0
) (8 messages, latest: Sep 24 2023 at 13:56) - ✔ "software foundations" in lean (10 messages, latest: Sep 24 2023 at 13:11)
- ✔ Meaning of rw tactic (3 messages, latest: Sep 23 2023 at 17:17)
- ✔ Bug in natural number game (6 messages, latest: Sep 23 2023 at 13:17)
- ✔ difference between * and \smul (18 messages, latest: Sep 23 2023 at 12:40)
- more induction related questions (60 messages, latest: Sep 23 2023 at 11:06)
- Learning materials on calculus in Lean (18 messages, latest: Sep 23 2023 at 05:50)
- Error message using rcases: recursor 'Exists.casesOn' can on (4 messages, latest: Sep 22 2023 at 20:18)
- ✔ Notation for axiomatizing the existance of an element (6 messages, latest: Sep 22 2023 at 18:40)
- ✔ Tactics confirming the existence of an assumption (9 messages, latest: Sep 22 2023 at 13:53)
- ✔ Getting an error from 'Theorem Proving in Lean 4' example. (12 messages, latest: Sep 22 2023 at 13:32)
- CDN for syntax highlight (5 messages, latest: Sep 22 2023 at 11:51)
- import Mathlib leads to Lean not terminating (26 messages, latest: Sep 22 2023 at 07:56)
- Lean4 file icon (3 messages, latest: Sep 20 2023 at 23:10)
- Cast to a subset, given proof of inclusion (15 messages, latest: Sep 19 2023 at 22:19)
- install for nixos (28 messages, latest: Sep 19 2023 at 13:58)
- Bugs in the book "Mathematics in Lean" (17 messages, latest: Sep 19 2023 at 13:16)
- C² implies C¹ (5 messages, latest: Sep 19 2023 at 12:43)
- new members introduction (5 messages, latest: Sep 19 2023 at 09:15)
- Updating mathlib broke my cache (20 messages, latest: Sep 19 2023 at 08:03)
- lean3 and lib on linux (8 messages, latest: Sep 19 2023 at 05:37)
- Help needed to open a PR (18 messages, latest: Sep 18 2023 at 15:31)
- ✔ Importing Iff.subst (7 messages, latest: Sep 18 2023 at 11:47)
- Lean4 infoview formatting (6 messages, latest: Sep 18 2023 at 10:56)
- List of important keywords (11 messages, latest: Sep 18 2023 at 03:22)
- my vscode always rebuild mathlib (3 messages, latest: Sep 16 2023 at 22:05)
- Sieve Methods (11 messages, latest: Sep 16 2023 at 19:56)
- ✔ install lean3 and lean4 for mathport (2 messages, latest: Sep 16 2023 at 13:08)
- Infinite primes : an exercise in basic Lean (12 messages, latest: Sep 15 2023 at 22:48)
- ✔ When would I want to override the constructor name? (12 messages, latest: Sep 15 2023 at 17:52)
aesop
forSetLike
(1 message, latest: Sep 15 2023 at 12:52)- ✔ value of
fintypeEquivFin
(12 messages, latest: Sep 15 2023 at 12:17) - ✔ is there a similar thing as coq
Module Type
in lean? (6 messages, latest: Sep 15 2023 at 03:12) - ✔ Unexpected universal quantifier (5 messages, latest: Sep 15 2023 at 03:04)
- Idiomatic type families (1 message, latest: Sep 15 2023 at 00:53)
- M1 macs (116 messages, latest: Sep 14 2023 at 13:53)
- (Co)ends in LEAN (2 messages, latest: Sep 14 2023 at 10:59)
- Pain with WithBot (7 messages, latest: Sep 14 2023 at 00:37)
- Process to PR to mathlib (3 messages, latest: Sep 13 2023 at 21:27)
- Formalizing Kaplansky's criterion (6 messages, latest: Sep 13 2023 at 15:17)
- lean documentation (5 messages, latest: Sep 13 2023 at 03:01)
- error: theorems do not get VM compiled (4 messages, latest: Sep 12 2023 at 12:03)
- Prove decidable statement by evaluation (29 messages, latest: Sep 11 2023 at 22:16)
- Lean proofs of graph algorithms (12 messages, latest: Sep 11 2023 at 22:03)
- Failed to synthesize instance for zero index of list (10 messages, latest: Sep 11 2023 at 12:39)
- ✔ Proving neg_neg (9 messages, latest: Sep 11 2023 at 11:56)
- Bernoulli polynomials (21 messages, latest: Sep 11 2023 at 11:40)
- Error "Waiting for Lean server to start (13 messages, latest: Sep 11 2023 at 04:16)
- ✔ Further Effects example in Functional Programming in Lean (6 messages, latest: Sep 10 2023 at 20:35)
- Tropical polynomials (21 messages, latest: Sep 10 2023 at 14:56)
- ✔
suffices
doesn't work (13 messages, latest: Sep 10 2023 at 02:54) - working with sigma-compact spaces - stuck at syntax (17 messages, latest: Sep 09 2023 at 22:57)
- ✔ Surjection has right inverse iff choice (14 messages, latest: Sep 09 2023 at 22:15)
- forall_exists_index (11 messages, latest: Sep 09 2023 at 14:49)
- Another graph theory project (1 message, latest: Sep 09 2023 at 12:25)
- Naming cases' variables (12 messages, latest: Sep 08 2023 at 19:14)
- Petri net project (1 message, latest: Sep 08 2023 at 18:11)
- Merging bitwise and bitwise' (9 messages, latest: Sep 08 2023 at 16:18)
- Hello and question about NNG online vs local install (7 messages, latest: Sep 07 2023 at 21:17)
- installing natural number game in VS code (8 messages, latest: Sep 07 2023 at 09:47)
- Stone Duality (4 messages, latest: Sep 06 2023 at 07:04)
- Help/suggestions (5 messages, latest: Sep 06 2023 at 05:56)
- lean4 elementary import question (1 message, latest: Sep 05 2023 at 23:04)
- ✔ funext turning vector into Real? (6 messages, latest: Sep 05 2023 at 20:39)
- ✔ unknown package 'system' (12 messages, latest: Sep 05 2023 at 14:11)
- Error (re)installing mathlibtools: Fatal error from pip prev (4 messages, latest: Sep 05 2023 at 11:24)
- tutorial bugs (4 messages, latest: Sep 05 2023 at 02:31)
- Cheating detection in Lean? (22 messages, latest: Sep 05 2023 at 01:40)
- ✔ Can someone explain this synth behavior? (7 messages, latest: Sep 04 2023 at 22:03)
- a list of functions (8 messages, latest: Sep 04 2023 at 21:19)
- Continuity (24 messages, latest: Sep 04 2023 at 20:22)
- Practicing writing proofs (13 messages, latest: Sep 04 2023 at 15:27)
- mapsto in case tactic not allowed (9 messages, latest: Sep 04 2023 at 14:36)
- Ben Eltschig (21 messages, latest: Sep 03 2023 at 23:15)
- Eq.refl synthesised terms (32 messages, latest: Sep 03 2023 at 08:31)
termination_by
forlet rec
s (7 messages, latest: Sep 02 2023 at 20:53)- Defining witness function without choice (4 messages, latest: Sep 02 2023 at 20:28)
- Type Formulation Question (3 messages, latest: Sep 02 2023 at 17:50)
- Definition of a quotient ring (30 messages, latest: Sep 01 2023 at 20:30)
- ✔ subtraction (13 messages, latest: Sep 01 2023 at 18:27)
- Prop equal and def equal (5 messages, latest: Sep 01 2023 at 08:46)
- Request for file MR to mathlib4 (3 messages, latest: Sep 01 2023 at 07:40)
- ✔ Induction cases syntax (11 messages, latest: Aug 31 2023 at 22:52)
- Highlighting and running Lean code online (4 messages, latest: Aug 31 2023 at 16:15)
sorry
need to help (3 messages, latest: Aug 31 2023 at 14:54)- intersection (5 messages, latest: Aug 31 2023 at 14:33)
- willing to contribute (13 messages, latest: Aug 31 2023 at 14:08)
- excluded middle from dne (32 messages, latest: Aug 31 2023 at 10:27)
- \exf (2 messages, latest: Aug 31 2023 at 08:46)
- ✔ Membership ignores Range.step (13 messages, latest: Aug 31 2023 at 08:29)
- ✔ installation and package management (11 messages, latest: Aug 31 2023 at 08:05)
- ✔ How can I prove an exponential function is continuous? (4 messages, latest: Aug 31 2023 at 07:43)
- ✔ Trivial proof takes exponential time (40 messages, latest: Aug 30 2023 at 08:40)
- How to do n_pow in the both side of the inequality? (4 messages, latest: Aug 30 2023 at 08:23)
- How to use the property of exp_continuous (lim and exp_fun) (1 message, latest: Aug 30 2023 at 04:48)
- ✔ options to simp_rw (4 messages, latest: Aug 30 2023 at 01:55)
- Error in Math in Lean example (12 messages, latest: Aug 30 2023 at 01:42)
- Giving names to 'cases' variables (14 messages, latest: Aug 29 2023 at 21:24)
- FMLJohn (4 messages, latest: Aug 29 2023 at 20:19)
- ✔ Problem about Type as object (27 messages, latest: Aug 29 2023 at 14:50)
- ✔ fail to describe a proposition (11 messages, latest: Aug 29 2023 at 10:58)
- Using lean through the CLI/Docker? (12 messages, latest: Aug 29 2023 at 10:11)
- ✔ Real.log calculation (8 messages, latest: Aug 29 2023 at 09:12)
- ✔ fail to define (7 messages, latest: Aug 29 2023 at 07:43)
- Installing Lean 4 M2 Mac (4 messages, latest: Aug 29 2023 at 03:06)
- giving extra info to
cases
tactic (5 messages, latest: Aug 28 2023 at 18:16) - ✔ infinite union (2 messages, latest: Aug 28 2023 at 08:12)
- ✔ how to do Real.log calculation (8 messages, latest: Aug 28 2023 at 06:57)
- ✔ prove a sequence tendsto zero (7 messages, latest: Aug 28 2023 at 05:47)
- ✔ Mechanics of Proof Ex (4 messages, latest: Aug 28 2023 at 01:26)
- ✔ variables inside of a where (18 messages, latest: Aug 27 2023 at 18:14)
- Defining maximum of prefix of a sequence (6 messages, latest: Aug 27 2023 at 16:31)
- [Proving (((finset.range 50).erase 0).erase 1).sum id = (fins](topic/Proving.20(((finset.2Erange.2050).2Eerase.200).2Eerase.201).2Esum.20id.20.3D.20(fins.html) (12 messages, latest: Aug 27 2023 at 08:01)
- What tactics to use when goal contains term can be unify? (7 messages, latest: Aug 26 2023 at 13:42)
- ✔ type equality in inductive types (16 messages, latest: Aug 26 2023 at 11:02)
- ✔ naming constructors and functions with the same name (26 messages, latest: Aug 25 2023 at 17:48)
- How to formalize a proof for this matrix identity (14 messages, latest: Aug 25 2023 at 16:49)
- Automatic grading of lean4 codes (1 message, latest: Aug 25 2023 at 13:55)
- ✔ ideal generated by prime number is maximal ideal (9 messages, latest: Aug 25 2023 at 13:15)
- ✔ Proof of associativity for positive numbers (8 messages, latest: Aug 25 2023 at 10:24)
- ✔ Element maximising a function subject to constraints (4 messages, latest: Aug 25 2023 at 07:41)
- Difference between import tactic and import mathlib. (5 messages, latest: Aug 25 2023 at 07:04)
- help w/ recursion termination (11 messages, latest: Aug 25 2023 at 05:39)
- @[simp] theorem not being applied (18 messages, latest: Aug 24 2023 at 20:13)
- ✔ choose from equal numbers (7 messages, latest: Aug 24 2023 at 15:52)
- ✔ noncomputable decidable? (10 messages, latest: Aug 24 2023 at 15:14)
- ✔ Smul (15 messages, latest: Aug 24 2023 at 13:49)
- Problem with
convert
(11 messages, latest: Aug 24 2023 at 10:35) - ✔ How to use CommDiag Widget (4 messages, latest: Aug 24 2023 at 10:25)
- How prove things about Exists.choose terms? (9 messages, latest: Aug 24 2023 at 10:16)
- ✔ 0 \leq 1 (18 messages, latest: Aug 24 2023 at 09:32)
- ✔ Trying to show that a basis is finite (4 messages, latest: Aug 23 2023 at 15:39)
- ✔ Categorized discussion (4 messages, latest: Aug 23 2023 at 13:06)
- ✔ Strange type mismatch due to type inference (4 messages, latest: Aug 23 2023 at 09:06)
- Trying to understand the simplifier (9 messages, latest: Aug 22 2023 at 18:01)
- deep recursion (3 messages, latest: Aug 22 2023 at 16:06)
- ✔ Definition of mapping (21 messages, latest: Aug 22 2023 at 13:54)
- Ergonomic or elimination (7 messages, latest: Aug 22 2023 at 10:44)
- Explicit coproduct proof for Ab (7 messages, latest: Aug 22 2023 at 02:52)
- limitations of functions on struct defined w pattern match (2 messages, latest: Aug 22 2023 at 01:04)
- A new exercice for Mathematics in lean (6 messages, latest: Aug 21 2023 at 19:13)
- Not equal nats (20 messages, latest: Aug 21 2023 at 10:39)
- Beginner problem (60 messages, latest: Aug 21 2023 at 07:21)
- Weird “failed to synthesize instance” error (4 messages, latest: Aug 20 2023 at 22:37)
- Simple question about arithmitic (7 messages, latest: Aug 20 2023 at 15:39)
- Check Equivalent relation (5 messages, latest: Aug 20 2023 at 03:45)
- natural composition (3 messages, latest: Aug 20 2023 at 02:30)
- SOlutions for "Theorem proving in LEAN 4" exercises (1 message, latest: Aug 20 2023 at 00:05)
- Fastest proof of a trivial statement (15 messages, latest: Aug 18 2023 at 19:48)
- tactic
by exact
vs proof term (4 messages, latest: Aug 18 2023 at 15:59) - proof style readability improvement (3 messages, latest: Aug 18 2023 at 15:31)
- existence theorem (12 messages, latest: Aug 18 2023 at 09:58)
- ✔ Install Lean 4 on Mac (6 messages, latest: Aug 18 2023 at 08:11)
- Help with proof terms (2 messages, latest: Aug 17 2023 at 10:01)
- ✔ Starting induction at 1 (10 messages, latest: Aug 16 2023 at 11:19)
- Unfolding local function (19 messages, latest: Aug 16 2023 at 10:46)
- Overriding notation (11 messages, latest: Aug 16 2023 at 09:16)
- ✔ help with proving normal closure is idempotent (9 messages, latest: Aug 16 2023 at 09:11)
- ✔ create a new instance extends an old instance (6 messages, latest: Aug 16 2023 at 08:45)
- Is there a mathlib tactic for closing arithmetic goals? (17 messages, latest: Aug 15 2023 at 22:06)
- Beginner code reviewing / mentor (5 messages, latest: Aug 15 2023 at 21:58)
- Setting up development environment (13 messages, latest: Aug 15 2023 at 21:55)
- Permission for github (25 messages, latest: Aug 15 2023 at 20:27)
- ✔ Usage of add_sub_cancel'_right (12 messages, latest: Aug 15 2023 at 19:24)
- Finding the category of Sets and functions (2 messages, latest: Aug 15 2023 at 14:15)
- How to use proofs from Lean's standard library. (16 messages, latest: Aug 15 2023 at 04:50)
- ≅Print a simp (6 messages, latest: Aug 14 2023 at 21:26)
- ≅ (3 messages, latest: Aug 14 2023 at 00:04)
- Lean error while building (5 messages, latest: Aug 13 2023 at 22:15)
- Guidance on proof methods: pattern matching vs. induction (7 messages, latest: Aug 13 2023 at 18:05)
- Real.logb in lean4 (9 messages, latest: Aug 13 2023 at 15:10)
- Appolonian circle packings (2 messages, latest: Aug 13 2023 at 13:07)
- ✔ Ex from Prop and Proofs in Theorem Proving (7 messages, latest: Aug 12 2023 at 16:55)
- Will FLT be formalized soon? (33 messages, latest: Aug 12 2023 at 13:40)
- ✔ Instance synthesization (10 messages, latest: Aug 12 2023 at 12:44)
- ⟶ (6 messages, latest: Aug 12 2023 at 12:38)
- Will Lean be useful for me? (10 messages, latest: Aug 12 2023 at 02:26)
- What is #mathlib4 about now? (14 messages, latest: Aug 12 2023 at 01:36)
- Namespaces (5 messages, latest: Aug 11 2023 at 22:27)
- ✔ False or (8 messages, latest: Aug 11 2023 at 17:56)
- #widget question (13 messages, latest: Aug 11 2023 at 15:51)
- ✔ How to
cases abs_cases
? (7 messages, latest: Aug 11 2023 at 09:01) - ✔ Type mismatch
sq_nonneg
(23 messages, latest: Aug 11 2023 at 06:15) - Shadowing in Lean 4 (3 messages, latest: Aug 10 2023 at 18:50)
- ✔ How to prove this easily? (5 messages, latest: Aug 10 2023 at 10:13)
- conditional forall (5 messages, latest: Aug 09 2023 at 20:02)
- Proving Decidable on inductive Prop (16 messages, latest: Aug 09 2023 at 15:48)
- R^n (23 messages, latest: Aug 09 2023 at 14:29)
- Depend on Lean4 Library? (3 messages, latest: Aug 09 2023 at 10:26)
- vector multiplication (5 messages, latest: Aug 09 2023 at 08:28)
- ✔ Importing Aesop: Building Std.Data.List.Basic error (4 messages, latest: Aug 08 2023 at 21:35)
- ✔ Disjunction Exercise (6 messages, latest: Aug 08 2023 at 20:08)
- Lean basics documentation (22 messages, latest: Aug 08 2023 at 18:59)
- ✔ mathlib4 cache error (7 messages, latest: Aug 08 2023 at 15:48)
- ✔ Filter (7 messages, latest: Aug 08 2023 at 15:00)
- ✔ Difference between <| and $ (7 messages, latest: Aug 08 2023 at 14:26)
- [List.get? vs []? notation](topic/List.2Eget.3F.20vs.20.5B.5D.3F.20notation.html) (3 messages, latest: Aug 08 2023 at 14:19)
- converge (4 messages, latest: Aug 08 2023 at 07:04)
- imo problems that are challenging to formalize (56 messages, latest: Aug 08 2023 at 00:11)
- Starting a new Lean 4 project (8 messages, latest: Aug 07 2023 at 21:13)
- Abc conjecture (4 messages, latest: Aug 07 2023 at 20:25)
- Termination checking for dummies (28 messages, latest: Aug 07 2023 at 19:46)
- Sort as a function (8 messages, latest: Aug 07 2023 at 19:41)
- Proving a trivial lemma about homomorphisms. (19 messages, latest: Aug 07 2023 at 16:05)
- Isaiah Mindich (16 messages, latest: Aug 07 2023 at 13:34)
- Unique morphism between producs (10 messages, latest: Aug 06 2023 at 19:50)
- Type error in Functional Programming In Lean (2 messages, latest: Aug 06 2023 at 19:26)
- Chaining coercions example in Functional Programming book (5 messages, latest: Aug 06 2023 at 19:15)
- Termination of head induction on
ReflTransGen
(11 messages, latest: Aug 06 2023 at 11:12) - Run Lean3 in NodeJS (4 messages, latest: Aug 05 2023 at 11:58)
- ✔ unknown package 'Mathlib' (4 messages, latest: Aug 04 2023 at 17:24)
- finite sequence of elements of a ring (17 messages, latest: Aug 04 2023 at 02:15)
- MangoIV (2 messages, latest: Aug 03 2023 at 18:07)
- Mutable Value Semantics vs FBIP (1 message, latest: Aug 03 2023 at 08:54)
- Why is [field F] not an implicit argument? (18 messages, latest: Aug 03 2023 at 03:49)
- Code review? (40 messages, latest: Aug 03 2023 at 01:02)
- Coercion on sets of sets (6 messages, latest: Aug 02 2023 at 14:23)
- Disha Sharma (13 messages, latest: Aug 02 2023 at 12:31)
- Help in Heapify (2 messages, latest: Aug 01 2023 at 19:40)
- 0 - 1 is a natural number (7 messages, latest: Aug 01 2023 at 14:16)
- ✔
(kernel) declaration has metavariables '_eval'
(9 messages, latest: Aug 01 2023 at 09:13) - Kepler's Third Law (8 messages, latest: Aug 01 2023 at 07:19)
- I can't use mathlib (5 messages, latest: Aug 01 2023 at 06:43)
- command expected_choose (10 messages, latest: Aug 01 2023 at 06:39)
- safe version of evalExpr (22 messages, latest: Aug 01 2023 at 05:58)
- ✔ Can't build the documentation (7 messages, latest: Jul 31 2023 at 11:43)
- ✔ Trouble with inner product for functions in R (9 messages, latest: Jul 31 2023 at 10:00)
- category (5 messages, latest: Jul 31 2023 at 07:39)
- Unpacking the definition Lebesgue integral (3 messages, latest: Jul 30 2023 at 12:06)
- Minkowski space and hyperbolic geometry (27 messages, latest: Jul 30 2023 at 05:48)
- How to install Lean and mathlib? (28 messages, latest: Jul 29 2023 at 07:46)
- Real.sqrt (6 messages, latest: Jul 29 2023 at 03:45)
- ✔ How to use \prod over (fin n) (11 messages, latest: Jul 28 2023 at 16:09)
- Example Proof (13 messages, latest: Jul 28 2023 at 15:44)
- an error (17 messages, latest: Jul 27 2023 at 22:28)
- Constructing the integers as equivalence classes (32 messages, latest: Jul 27 2023 at 19:23)
- ✔ begin … end macro error (8 messages, latest: Jul 27 2023 at 19:12)
- How are the order of arguments determined? (2 messages, latest: Jul 27 2023 at 16:35)
- ✔ square real number (10 messages, latest: Jul 27 2023 at 13:04)
- Passing implicit arguments explicitly (12 messages, latest: Jul 27 2023 at 09:07)
- ✔ Termination of mutual recursive defs with a "shorthand"? (8 messages, latest: Jul 27 2023 at 02:14)
- ✔ max element of Finset (8 messages, latest: Jul 26 2023 at 22:03)
- ✔ Trouble installing lean4 (5 messages, latest: Jul 26 2023 at 19:51)
- ✔ Searching for a lemma succ not less than self (10 messages, latest: Jul 26 2023 at 18:34)
- lake
main
entry point inside namespace (1 message, latest: Jul 26 2023 at 15:59) - ✔ negation (3 messages, latest: Jul 26 2023 at 15:36)
- Integer divisors (43 messages, latest: Jul 26 2023 at 07:54)
- Talia Ringer (7 messages, latest: Jul 25 2023 at 17:46)
- ✔ rw in finite sum (5 messages, latest: Jul 25 2023 at 14:28)
- Write access for michaellee94 (4 messages, latest: Jul 25 2023 at 09:20)
- ✔ I try to write golang ast in lean4, but something went … (6 messages, latest: Jul 25 2023 at 06:24)
- ✔ mathematics-in-lean aux theorem (7 messages, latest: Jul 25 2023 at 05:21)
- ✔ is there a monad instance for functions? (6 messages, latest: Jul 25 2023 at 02:06)
- ✔ invalid field 'enumerate', the environment does not con… (4 messages, latest: Jul 24 2023 at 21:40)
- Natural number game question - (9 messages, latest: Jul 24 2023 at 20:49)
- Mechanics of Proof 4.1.1 (8 messages, latest: Jul 24 2023 at 17:59)
- ✔ Learning real analysis using Lean4 (10 messages, latest: Jul 24 2023 at 17:52)
- Gaëtan Serré (8 messages, latest: Jul 24 2023 at 13:48)
- forall vs input (2 messages, latest: Jul 24 2023 at 08:45)
- How to use my own proposition (10 messages, latest: Jul 24 2023 at 06:48)
- infix constructors (32 messages, latest: Jul 24 2023 at 03:07)
- Improvement of proof for basic theorem on Nat? (8 messages, latest: Jul 24 2023 at 03:02)
- kth element of [n..1] is (n-k) (11 messages, latest: Jul 24 2023 at 01:53)
- Idiom (8 messages, latest: Jul 24 2023 at 00:25)
- Recursive Programming (4 messages, latest: Jul 23 2023 at 16:09)
- too many exported symbols (6 messages, latest: Jul 23 2023 at 10:14)
- Matching on Fin (7 messages, latest: Jul 23 2023 at 04:27)
- running lake causes duplicate download of Lean (5 messages, latest: Jul 22 2023 at 16:02)
- inequality (55 messages, latest: Jul 22 2023 at 02:26)
- Standard library reference (13 messages, latest: Jul 21 2023 at 13:15)
- a problem about lean4 code (7 messages, latest: Jul 21 2023 at 06:41)
- a problem with simple groups (12 messages, latest: Jul 21 2023 at 06:27)
- ✔ Failing exact tactic (10 messages, latest: Jul 20 2023 at 20:30)
- Free variables (34 messages, latest: Jul 20 2023 at 19:22)
- category theory (4 messages, latest: Jul 20 2023 at 15:19)
- ✔ Building Mathematics in Lean fails (4 messages, latest: Jul 20 2023 at 13:04)
- ✔ finite group (9 messages, latest: Jul 20 2023 at 12:30)
- ✔ complex ring (6 messages, latest: Jul 20 2023 at 09:41)
- ✔ reinstalling lean (3 messages, latest: Jul 20 2023 at 08:04)
- ✔ tactic for linear equation simplification in Lean4 (5 messages, latest: Jul 19 2023 at 11:06)
- ✔ HSub on WithBot/WithTop? (12 messages, latest: Jul 19 2023 at 04:21)
- Invalid Lake configuration (4 messages, latest: Jul 19 2023 at 02:18)
fold
notation back in (10 messages, latest: Jul 18 2023 at 21:04)- ✔ Using ite condition as a hypothesis (4 messages, latest: Jul 18 2023 at 18:04)
- Formalizing Riemannian geometry (4 messages, latest: Jul 18 2023 at 15:56)
- How to use h' (14 messages, latest: Jul 18 2023 at 15:32)
- GetElem on PPoint example doesn't work (2 messages, latest: Jul 18 2023 at 12:20)
- How to write known conditions (12 messages, latest: Jul 18 2023 at 12:18)
- NonEmptyList example crashes Lean (2 messages, latest: Jul 18 2023 at 12:14)
- Group Theory Tactic (82 messages, latest: Jul 18 2023 at 11:11)
- Advice on Generalizing Definitions (5 messages, latest: Jul 18 2023 at 05:24)
- Decidable algorithms on real numbers (10 messages, latest: Jul 18 2023 at 03:17)
- ✔ Equality between Structure (4 messages, latest: Jul 18 2023 at 03:14)
- Array out of bounds error half caught (2 messages, latest: Jul 17 2023 at 14:55)
- Invalid binder annotation (3 messages, latest: Jul 17 2023 at 13:57)
- let rec partial (2 messages, latest: Jul 16 2023 at 20:19)
- Unexplained ^^^ on check (9 messages, latest: Jul 16 2023 at 15:37)
- optimize imports (3 messages, latest: Jul 16 2023 at 15:27)
- List of things that still needs to be formalised? (6 messages, latest: Jul 16 2023 at 15:23)
- typing superscripts (11 messages, latest: Jul 16 2023 at 11:36)
- A problem in mathematics in lean (10 messages, latest: Jul 16 2023 at 01:15)
- linter (5 messages, latest: Jul 15 2023 at 19:28)
- Make Documentation (13 messages, latest: Jul 14 2023 at 19:44)
- new streams (2 messages, latest: Jul 14 2023 at 18:07)
- error: unknown identifier M (12 messages, latest: Jul 14 2023 at 07:06)
- installing mathlib on win10 (6 messages, latest: Jul 14 2023 at 05:16)
- ✔ Mathematics in Lean 4 section 8.3.28 (4 messages, latest: Jul 12 2023 at 15:59)
- Questions on inferInstance (13 messages, latest: Jul 12 2023 at 14:44)
- Understanding arrays, and option types. (2 messages, latest: Jul 12 2023 at 13:54)
- Predicate vs Set (9 messages, latest: Jul 12 2023 at 08:09)
- Why can't it find the [field F] definition? (18 messages, latest: Jul 11 2023 at 21:12)
- ✔ Contributing orthogonality on affine subspaces (5 messages, latest: Jul 11 2023 at 18:47)
- Natural number to boolean array (2 messages, latest: Jul 11 2023 at 10:54)
- Installation on macOS (78 messages, latest: Jul 11 2023 at 07:01)
- Fintype of subgroup (12 messages, latest: Jul 10 2023 at 18:13)
- Finding out the Natural Language of a theorem in Mathlib (9 messages, latest: Jul 10 2023 at 14:29)
- ✔ Valentin Herrmann (2 messages, latest: Jul 10 2023 at 12:45)
- Haskell when and unless (4 messages, latest: Jul 10 2023 at 09:54)
- ✔ Is there an operator like haskell's » (9 messages, latest: Jul 08 2023 at 14:03)
- Failure to read file (1 message, latest: Jul 08 2023 at 10:29)
- starting a new project (60 messages, latest: Jul 08 2023 at 06:23)
- ✔ Perigord (6 messages, latest: Jul 08 2023 at 06:03)
- ✔ How to create an Associative List from a key to a value… (31 messages, latest: Jul 08 2023 at 04:36)
- ✔ Segfault when calling isatty via FFI (4 messages, latest: Jul 07 2023 at 19:19)
- Damien Thomine (5 messages, latest: Jul 07 2023 at 16:26)
- ✔ Looking for List.foldr_snoc Lemma (8 messages, latest: Jul 07 2023 at 09:40)
- ✔ get-mathlib-cache on Lean 4? (12 messages, latest: Jul 07 2023 at 04:19)
- Scott Carnahan (5 messages, latest: Jul 07 2023 at 02:54)
- Luigi Massacci (3 messages, latest: Jul 06 2023 at 14:47)
- an exercise in documentation (25 messages, latest: Jul 06 2023 at 13:51)
- Proof of not_not_em (2 messages, latest: Jul 06 2023 at 05:30)
- ✔ How to update from lean3 to lean4? (18 messages, latest: Jul 05 2023 at 19:51)
- ✔ 【For fun】 Is there a way to change the text "No Goals"? (6 messages, latest: Jul 05 2023 at 18:27)
- ✔ Arch linux, vscode can't find lake (5 messages, latest: Jul 05 2023 at 18:11)
- dagger symbol displayed as emoji? (23 messages, latest: Jul 05 2023 at 15:59)
- Installing on Windows (2 messages, latest: Jul 05 2023 at 13:40)
- Associativity of ∨ (4 messages, latest: Jul 05 2023 at 13:00)
- Need help to better understand recursors and eliminators (9 messages, latest: Jul 05 2023 at 12:56)
- ✔ foldr on empty list (17 messages, latest: Jul 05 2023 at 06:21)
- Nonsensical type mismatch (16 messages, latest: Jul 05 2023 at 00:34)
- Find a function by its signature (7 messages, latest: Jul 04 2023 at 21:11)
- ✔ Unable to import subpackages of Mathlib (26 messages, latest: Jul 04 2023 at 05:05)
- Help with proof on list membership (3 messages, latest: Jul 03 2023 at 09:07)
- Contribute a project on ramification theory (14 messages, latest: Jul 03 2023 at 08:43)
- Import Error in VS Code (7 messages, latest: Jul 03 2023 at 07:23)
- Do notation for lists/arrays (13 messages, latest: Jul 02 2023 at 23:01)
- ✔ newbie decidable question (10 messages, latest: Jul 02 2023 at 19:29)
- ✔ D_W Equation (31 messages, latest: Jul 02 2023 at 15:02)
- ✔ Prop with exists unique (5 messages, latest: Jul 02 2023 at 07:37)
- Motive issue when creating a dependent structure instance (4 messages, latest: Jul 02 2023 at 00:28)
- ✔ Specify family of groups (4 messages, latest: Jul 02 2023 at 00:12)
- LSP autocomplete quirks (3 messages, latest: Jul 01 2023 at 14:49)
- How to find the proof that simp found? (3 messages, latest: Jul 01 2023 at 05:05)
- ✔ termination by list induction (4 messages, latest: Jun 30 2023 at 15:23)
- Reflexive product order (6 messages, latest: Jun 29 2023 at 16:14)
- VSCode checking and tooltips (16 messages, latest: Jun 29 2023 at 09:02)
- failed to infer binder type (5 messages, latest: Jun 29 2023 at 08:19)
- ✔ Why I cannot go to definition of \forall (5 messages, latest: Jun 29 2023 at 05:39)
- ✔ Implementing Counter in LEAN3 (4 messages, latest: Jun 29 2023 at 01:27)
- typeof (7 messages, latest: Jun 28 2023 at 01:56)
- ✔ proving pre-defined prop (7 messages, latest: Jun 27 2023 at 04:06)
- ~/.agda/defaults and ~/.agda/libraries, but in Lean? (10 messages, latest: Jun 26 2023 at 22:19)
- Small sorrys help (33 messages, latest: Jun 26 2023 at 21:02)
- Simple arithmetic statements: 1…4 divide 12 (14 messages, latest: Jun 26 2023 at 10:32)
- convert Union on
finset
to finite union (4 messages, latest: Jun 25 2023 at 19:15) - retrieve intermediate states of proofs and error messages (5 messages, latest: Jun 25 2023 at 07:20)
- Tutorials for mathematicians with programming background? (12 messages, latest: Jun 25 2023 at 03:58)
- It's a me (4 messages, latest: Jun 24 2023 at 20:34)
- ✔ What is a quotient? (6 messages, latest: Jun 24 2023 at 19:07)
- Running lake update broken everything (25 messages, latest: Jun 24 2023 at 09:44)
- Online theorem prover not printing to console (7 messages, latest: Jun 23 2023 at 23:41)
- How to install Lean 3.4.2 with VSCode on the Windows ? (17 messages, latest: Jun 23 2023 at 17:16)
- ✔ Tutorial for someone starting from statistics background (18 messages, latest: Jun 23 2023 at 07:02)
- Assistance in proof (5 messages, latest: Jun 23 2023 at 02:09)
- Guide for writing notations (14 messages, latest: Jun 22 2023 at 23:20)
- Elan issue on Ubuntu (37 messages, latest: Jun 22 2023 at 20:42)
- Andreas Gittis (4 messages, latest: Jun 22 2023 at 18:36)
- Problem with add_pow (26 messages, latest: Jun 22 2023 at 12:13)
- getting lean terminal commands on path (macos) (3 messages, latest: Jun 22 2023 at 10:48)
- ✔ Matching and updating structure fields (11 messages, latest: Jun 22 2023 at 01:15)
- Two carriers for submodule (13 messages, latest: Jun 21 2023 at 19:49)
- Examples of mv_polynomials (9 messages, latest: Jun 21 2023 at 13:55)
- lambda calculus implementation in lean (31 messages, latest: Jun 20 2023 at 22:28)
- How to get _target directory after checking out from github? (4 messages, latest: Jun 20 2023 at 18:43)
- ✔ Fussy equality (20 messages, latest: Jun 20 2023 at 14:27)
- Type constructors in sections (13 messages, latest: Jun 20 2023 at 14:17)
- Push permissions (8 messages, latest: Jun 20 2023 at 14:10)
- Probability theory (257 messages, latest: Jun 20 2023 at 08:59)
- Match does not fold away (37 messages, latest: Jun 20 2023 at 08:39)
- ✔ uh oh (2 messages, latest: Jun 20 2023 at 01:39)
- ✔ Github access: Burnside (4 messages, latest: Jun 20 2023 at 00:53)
- how to derive false from trivial inequalities (17 messages, latest: Jun 19 2023 at 14:25)
- import can't be found (3 messages, latest: Jun 19 2023 at 12:55)
- MIL is broken? (19 messages, latest: Jun 19 2023 at 08:58)
- ✔ weird error with implicit arguments (25 messages, latest: Jun 18 2023 at 04:04)
- leanproject command not found (28 messages, latest: Jun 17 2023 at 19:54)
- SafeIdx: a beginner-friendly library (3 messages, latest: Jun 17 2023 at 13:39)
- How to call accepts DFA (2 messages, latest: Jun 16 2023 at 22:15)
- ✔ a % (a + b) when gcd a,b (8 messages, latest: Jun 16 2023 at 18:36)
- Heine-Cantor Theorem (8 messages, latest: Jun 16 2023 at 17:48)
- ✔ dot notation symbol in VS code (8 messages, latest: Jun 16 2023 at 15:20)
- ✔ Reachabilty Proof (8 messages, latest: Jun 16 2023 at 14:12)
- Galois invariants (12 messages, latest: Jun 16 2023 at 12:58)
- polynomial ring over a field (9 messages, latest: Jun 16 2023 at 04:35)
- Non-trivial STLC implementation (4 messages, latest: Jun 16 2023 at 00:55)
- WithBot lemma (4 messages, latest: Jun 15 2023 at 22:29)
- singleton type (8 messages, latest: Jun 15 2023 at 21:10)
- represent uniqueness (4 messages, latest: Jun 15 2023 at 16:17)
- Orbit of trivial subgroup (23 messages, latest: Jun 15 2023 at 09:24)
- ✔ map of polynomial algebra (6 messages, latest: Jun 14 2023 at 16:29)
- ✔ Question about constructing Finset (10 messages, latest: Jun 13 2023 at 18:01)
- Question about stdlib documentation (3 messages, latest: Jun 13 2023 at 17:37)
- Eric Vergo intro (1 message, latest: Jun 13 2023 at 14:52)
- module vs submodule extending monoids (16 messages, latest: Jun 12 2023 at 18:53)
- unknown identifier "assume" (4 messages, latest: Jun 12 2023 at 13:24)
- bitblasting of bitvectors (9 messages, latest: Jun 12 2023 at 04:42)
- newbee question about fn application (8 messages, latest: Jun 10 2023 at 12:04)
- Showing a subset that's a vector space contains zero (37 messages, latest: Jun 10 2023 at 11:54)
- Tutorial to create algebraic structures (5 messages, latest: Jun 09 2023 at 23:29)
- Elan failed with error code (5 messages, latest: Jun 09 2023 at 23:14)
- add_div not as general as it should be? (9 messages, latest: Jun 09 2023 at 06:39)
- ✔ Inductive type with parameter (5 messages, latest: Jun 08 2023 at 18:29)
- loading messages (3 messages, latest: Jun 08 2023 at 15:01)
- ✔ broken leanproject (8 messages, latest: Jun 08 2023 at 14:00)
- lean3 aarch64 (apple m2) build issues (15 messages, latest: Jun 08 2023 at 04:29)
- problem at using rw tactic (6 messages, latest: Jun 08 2023 at 04:08)
- ✔ Shifts of List elements (9 messages, latest: Jun 07 2023 at 21:17)
- convert cardinals to integer (14 messages, latest: Jun 07 2023 at 20:25)
- ✔ Trouble including mathlib4 (9 messages, latest: Jun 07 2023 at 05:30)
- ✔ Question about imports (2 messages, latest: Jun 06 2023 at 14:31)
- subtype of fintype (8 messages, latest: Jun 06 2023 at 10:17)
- ✔ finite (3 messages, latest: Jun 06 2023 at 10:12)
- h: x < y, prove 2x < 2y (14 messages, latest: Jun 05 2023 at 22:42)
- @Eq.rec Display Type Discrepancy (6 messages, latest: Jun 04 2023 at 04:26)
- decidable_rel in total_order (17 messages, latest: Jun 04 2023 at 03:58)
- Software Foundations (17 messages, latest: Jun 04 2023 at 02:55)
- Motive Not Type Correct Nth (3 messages, latest: Jun 03 2023 at 17:51)
- Help proving lemma; rw produces new name (8 messages, latest: Jun 03 2023 at 04:06)
- Match breaking with match_pattern function (12 messages, latest: Jun 02 2023 at 21:54)
- How are types unified (3 messages, latest: Jun 02 2023 at 04:40)
- Equivalence between subtypes given a certain property (80 messages, latest: Jun 01 2023 at 22:24)
- Help with proof structure (32 messages, latest: Jun 01 2023 at 22:05)
- ✔ Accessing mathlib dependencies outside its folder (11 messages, latest: May 31 2023 at 21:36)
- problem when create new lean project (11 messages, latest: May 31 2023 at 19:12)
- Using modus ponens inside a definition (8 messages, latest: May 30 2023 at 20:49)
- DIsplay proof term corresponding to tactics (4 messages, latest: May 30 2023 at 19:44)
- simplifying card proof (2 messages, latest: May 30 2023 at 11:41)
- ✔ number of functions (19 messages, latest: May 30 2023 at 08:05)
- ✔ powerset and subtypes (7 messages, latest: May 29 2023 at 18:42)
- Matrix Reindex by Subtype (2 messages, latest: May 29 2023 at 17:59)
- ✔ permuting for each prod triplet (5 messages, latest: May 29 2023 at 17:23)
- Goal not showing (27 messages, latest: May 28 2023 at 20:59)
- Cannot install Lean (3 messages, latest: May 28 2023 at 16:25)
- not for lean but for dafny, but hoare triple must hold .. (5 messages, latest: May 28 2023 at 13:40)
- ✔ Define a class instance inherits from a broader class (4 messages, latest: May 28 2023 at 08:39)
- ✔ How to deal with quotient monoids? (6 messages, latest: May 27 2023 at 14:25)
- ✔ Unsolved goals in proof to port (32 messages, latest: May 27 2023 at 13:27)
- ✔ When is a Prop a map? (9 messages, latest: May 26 2023 at 21:21)
- ✔ Best way to define natural projections of pi? (5 messages, latest: May 26 2023 at 20:00)
- ✔ locate an instance definition (7 messages, latest: May 26 2023 at 18:42)
- Specifying subspaces in Lean (33 messages, latest: May 26 2023 at 17:01)
- Type mismatch expected to have type Type ? : Type (?+1) (15 messages, latest: May 26 2023 at 11:21)
- Improving group proof (4 messages, latest: May 26 2023 at 05:53)
- ✔ Subtype notation in #check (20 messages, latest: May 26 2023 at 02:36)
- Tactic to collapse quantifiers between hyp and goal (16 messages, latest: May 26 2023 at 01:23)
- ✔ Left versus right associativity (11 messages, latest: May 25 2023 at 21:54)
- coercion from set to group (9 messages, latest: May 25 2023 at 17:23)
- Custom notation inside structures (10 messages, latest: May 24 2023 at 21:21)
- WLOG trick (6 messages, latest: May 24 2023 at 19:45)
- Types and Programming Languages (90 messages, latest: May 24 2023 at 14:57)
- installation problems (233 messages, latest: May 24 2023 at 13:28)
- ✔ power of an element in monoid (4 messages, latest: May 24 2023 at 11:26)
- Porting weierstrass_curve as an exercise in learning Lean 4 (105 messages, latest: May 24 2023 at 02:42)
- ✔ List of Fives (10 messages, latest: May 23 2023 at 21:50)
- ✔ How to make lean works in subfolder of src (6 messages, latest: May 23 2023 at 15:50)
- Prod of inhabited is inhabited, TPIL Ch 7 (27 messages, latest: May 23 2023 at 01:30)
- e-graphs (44 messages, latest: May 23 2023 at 00:16)
- What does open_locale do? (4 messages, latest: May 22 2023 at 15:01)
- importing mathlib4 (4 messages, latest: May 22 2023 at 04:22)
- ✔ unknown identifier 'Lean.leanVersionString' (15 messages, latest: May 22 2023 at 03:07)
- Can't get basic proof of transitivity of P -> Q to work out: (7 messages, latest: May 22 2023 at 02:12)
- Patrick Biface (3 messages, latest: May 21 2023 at 16:34)
- Design questions, (44 messages, latest: May 21 2023 at 00:10)
- How to concatenate vectors in Euclidean spaces (3 messages, latest: May 20 2023 at 21:10)
- ✔ LEAN3 Unique Existence Elimination (9 messages, latest: May 20 2023 at 20:38)
- ✔ Arithmetic Proofs in Lean 4 (21 messages, latest: May 20 2023 at 19:32)
- decidable vector (6 messages, latest: May 20 2023 at 17:10)
- leanproject: command not found (28 messages, latest: May 20 2023 at 15:19)
- An old sketch of FLT toplevel proof in Coq (10 messages, latest: May 20 2023 at 13:25)
- ✔ Installation help, (107 messages, latest: May 19 2023 at 22:02)
- Does FLT require LEM? (81 messages, latest: May 19 2023 at 20:41)
- Best way to render "simplify both sides of an equation." (6 messages, latest: May 19 2023 at 19:19)
- opposite Hom in the opposite category (5 messages, latest: May 19 2023 at 18:59)
- Canonical Trivial Typeclass? (11 messages, latest: May 19 2023 at 15:21)
- Determinant of Complex Hermitian Matrix is a Real Number (34 messages, latest: May 19 2023 at 11:28)
- ✔ Maths challenges for the Lean curious chall5 import fail (9 messages, latest: May 19 2023 at 10:42)
- minpoly for mat same minpoly for lin (18 messages, latest: May 19 2023 at 10:31)
- Recomendation for CS type theory book (7 messages, latest: May 19 2023 at 09:12)
- ✔ Context Problems in Proofs, (36 messages, latest: May 18 2023 at 23:39)
- ✔ tidy attribute (17 messages, latest: May 18 2023 at 16:47)
- ✔ rewriting ground def applications (9 messages, latest: May 18 2023 at 16:47)
- ✔ extra hypothesis in bitwise'_bit (11 messages, latest: May 18 2023 at 11:12)
- TPIL4 problem 8.5 (7 messages, latest: May 18 2023 at 07:52)
- ✔ Why can't Lean prove equality decidability? (13 messages, latest: May 17 2023 at 20:21)
- ✔ Idiomatic way to do case splits in proofs (6 messages, latest: May 17 2023 at 18:03)
- ✔ Proofs when external functions are involved (9 messages, latest: May 17 2023 at 16:46)
- up casting to fintype (10 messages, latest: May 17 2023 at 15:45)
- ✔ Getting started on GitPod? (11 messages, latest: May 17 2023 at 12:35)
- Converting ordered tuple to fin n → α (31 messages, latest: May 17 2023 at 11:34)
- Warnings from lake build on macOS (1 message, latest: May 17 2023 at 11:24)
- Using the Mathlib, (143 messages, latest: May 17 2023 at 07:57)
- ✔ Proof of an inductive's variant? (36 messages, latest: May 17 2023 at 07:01)
- Beginning to contribute (28 messages, latest: May 17 2023 at 03:12)
- Freeze the Lean Infoview while typing (11 messages, latest: May 17 2023 at 01:52)
- ✔ A wierd Double sum (6 messages, latest: May 16 2023 at 22:24)
- Synthesizing typeclass instances for definitions (16 messages, latest: May 16 2023 at 21:28)
- ✔ Studying
mathlib4
While Learning Lean? (8 messages, latest: May 16 2023 at 20:44) - Random Walk (8 messages, latest: May 16 2023 at 17:27)
- ✔ Help proving Goal, (55 messages, latest: May 16 2023 at 14:27)
- proof search tactics (4 messages, latest: May 16 2023 at 12:08)
- ✔ How to eliminate let-statements in hypothesis (19 messages, latest: May 15 2023 at 23:40)
- ✔ Removing 'pure' from expressions (7 messages, latest: May 15 2023 at 19:12)
- lake exe cache get from mathlib4 (10 messages, latest: May 15 2023 at 18:26)
- Eigenvalues of matrices: Trace Determinants and others (19 messages, latest: May 15 2023 at 16:39)
- Decidable Equalities, (37 messages, latest: May 15 2023 at 08:06)
- #eval is slow (11 messages, latest: May 14 2023 at 23:58)
- Does FLT require AC? (3 messages, latest: May 14 2023 at 20:26)
- ✔ Repr Instance (16 messages, latest: May 14 2023 at 20:18)
- ✔ Nat divisible by proper divisors of other Nat -> geq (20 messages, latest: May 14 2023 at 16:07)
- ✔ Using the LEM in a proof (7 messages, latest: May 14 2023 at 12:52)
- Using lean theorems to proof (3 messages, latest: May 14 2023 at 12:11)
- Getting GPT3 chatbots to write ZFC in Lean4 (51 messages, latest: May 14 2023 at 03:55)
- Classes and instances (8 messages, latest: May 13 2023 at 17:21)
- ✔ Show bool inhabited, TPIL Ch 7 (15 messages, latest: May 13 2023 at 17:14)
- ✔ neg_neg on fin N (42 messages, latest: May 13 2023 at 05:13)
- lake new, "no such file" (66 messages, latest: May 13 2023 at 01:00)
- Sets in Mathlib4 (3 messages, latest: May 13 2023 at 00:54)
- ✔ Where to find the API/Code for GPT-F or similar work (3 messages, latest: May 12 2023 at 17:05)
- Recursively defining zero vector (3 messages, latest: May 11 2023 at 21:59)
- ✔ Cannot rewrite inside a forall (10 messages, latest: May 11 2023 at 19:14)
- Lean4 or Agda (8 messages, latest: May 11 2023 at 09:20)
- Copy paste from infoview in VSCode on windows (6 messages, latest: May 11 2023 at 01:12)
- ✔ instances (5 messages, latest: May 10 2023 at 20:40)
- ✔ cases tactic (10 messages, latest: May 10 2023 at 16:49)
- Using Lake to import std (12 messages, latest: May 10 2023 at 15:57)
- Fast Fourier Transform (6 messages, latest: May 10 2023 at 07:35)
- Free Monads in Lean4 (3 messages, latest: May 09 2023 at 22:44)
- Odd and even numbers proof (6 messages, latest: May 09 2023 at 21:53)
- ✔ fin (8 messages, latest: May 09 2023 at 14:51)
- Excessive memory consumption error (102 messages, latest: May 09 2023 at 14:35)
- ✔ Issues with Installation (Mac M1) (19 messages, latest: May 09 2023 at 14:35)
- Lifting structures to aliased types (3 messages, latest: May 08 2023 at 18:13)
- error with differentiable_at.div_const (6 messages, latest: May 08 2023 at 15:28)
- ✔ See goal accomplish on Vs Code (3 messages, latest: May 08 2023 at 14:58)
- Termination of mutual recursion (2 messages, latest: May 08 2023 at 07:37)
- ✔ Error with
none
(4 messages, latest: May 08 2023 at 00:04) - Opening my first lean project (36 messages, latest: May 07 2023 at 22:07)
- ✔ Rewriting hypotheses in a custom tactic relying on conv (2 messages, latest: May 05 2023 at 19:12)
- Why doesn't this rewrite? (11 messages, latest: May 05 2023 at 11:12)
- "let" among parameters? (8 messages, latest: May 04 2023 at 23:50)
- Mathlib modules in topological sort (9 messages, latest: May 04 2023 at 20:28)
- ✔ Is there an "open as" to create an alias for a namespace? (7 messages, latest: May 04 2023 at 00:55)
- zero_add in TPIL4 ch 7 (9 messages, latest: May 03 2023 at 20:31)
- defining a map out of a list (20 messages, latest: May 03 2023 at 19:40)
- definition of adjunctions using the triangle identities (5 messages, latest: May 03 2023 at 00:11)
- rewriting terms (7 messages, latest: May 02 2023 at 23:53)
- Mention Lean 4 somewhere in the Lean Community pages (6 messages, latest: May 02 2023 at 23:32)
- force decidability (14 messages, latest: May 02 2023 at 19:38)
- ✔ errors in getting tutorials (7 messages, latest: May 02 2023 at 15:00)
- Definitional reductions for recursive definitions (12 messages, latest: May 02 2023 at 02:35)
- ✔ invalid import: tactic (35 messages, latest: May 01 2023 at 18:15)
- fin N subtraction of non equal nums cannot give zero (13 messages, latest: Apr 30 2023 at 18:08)
- help w/ leanproject command (4 messages, latest: Apr 30 2023 at 17:03)
- Jiang Jiedong (11 messages, latest: Apr 29 2023 at 18:48)
- cases vs match (3 messages, latest: Apr 29 2023 at 07:58)
- ✔ Tactic for inferring a syllogism (5 messages, latest: Apr 28 2023 at 19:07)
- ✔ Does a certain theorem use the Excluded Middle? (5 messages, latest: Apr 28 2023 at 19:04)
- ✔ Given v is type vector α 0, how to show it is nil? (3 messages, latest: Apr 28 2023 at 17:57)
- ✔ AutoGpt (13 messages, latest: Apr 28 2023 at 15:19)
- Finite set literals (11 messages, latest: Apr 27 2023 at 09:53)
- Rearranging minus signs (53 messages, latest: Apr 27 2023 at 07:26)
- Adding vectors elementwise (7 messages, latest: Apr 26 2023 at 21:08)
- ✔ Search in lean 4 (11 messages, latest: Apr 26 2023 at 17:41)
- import algebra.group (7 messages, latest: Apr 26 2023 at 08:57)
- General topic (14 messages, latest: Apr 25 2023 at 16:43)
- fail to show termination for comparison of recursive struct (3 messages, latest: Apr 25 2023 at 10:50)
- Disjunction of two known implications (8 messages, latest: Apr 25 2023 at 00:09)
- Gabin Kolly (12 messages, latest: Apr 24 2023 at 18:27)
- Hide large tactic output in infoview (6 messages, latest: Apr 24 2023 at 14:53)
- Unexpected behaviour of linarith (8 messages, latest: Apr 23 2023 at 21:50)
- Mathlib Import Error (6 messages, latest: Apr 23 2023 at 20:45)
- lean port (7 messages, latest: Apr 23 2023 at 09:05)
- Trying to generalize so I can match (4 messages, latest: Apr 22 2023 at 15:51)
- Thank you! (3 messages, latest: Apr 22 2023 at 11:18)
- ✔ Using Nat.Prime p with Prime.dvd_prod_iff (6 messages, latest: Apr 22 2023 at 00:20)
- Nakayama: Change assumption or search for lemma? (19 messages, latest: Apr 21 2023 at 20:41)
- Proof expansion inside proof (5 messages, latest: Apr 21 2023 at 19:09)
- proof of derivative related property (16 messages, latest: Apr 21 2023 at 16:56)
- barber paradox & classical logic (7 messages, latest: Apr 21 2023 at 16:45)
- 1 mod r (3 messages, latest: Apr 21 2023 at 02:18)
- Adding warnings in Lean4 (5 messages, latest: Apr 20 2023 at 19:45)
- ✔ Differences between () and {} (10 messages, latest: Apr 20 2023 at 17:31)
- ✔ Proofs on evaluatable terms (8 messages, latest: Apr 20 2023 at 14:22)
- Kai L (4 messages, latest: Apr 20 2023 at 13:53)
- calc vs suffices (6 messages, latest: Apr 20 2023 at 06:27)
- git bash problem (6 messages, latest: Apr 20 2023 at 04:11)
- range N and fin N (14 messages, latest: Apr 19 2023 at 20:10)
- Error with inductive (10 messages, latest: Apr 19 2023 at 09:53)
- ✔ How to show monotone union is finite then ∃n, ⋃ i<n = ⋃ n (13 messages, latest: Apr 19 2023 at 07:46)
- Lemma Help (7 messages, latest: Apr 19 2023 at 06:35)
- Ranges of naturals (2 messages, latest: Apr 18 2023 at 22:35)
- vscode eternally loading (11 messages, latest: Apr 18 2023 at 21:56)
- Ask for input from user (4 messages, latest: Apr 18 2023 at 14:34)
- Vector nil_append (15 messages, latest: Apr 18 2023 at 12:32)
- ✔ Measure of events (6 messages, latest: Apr 18 2023 at 09:31)
- Hi from Alex Mackay (10 messages, latest: Apr 17 2023 at 12:38)
- ✔ creating project on Windows (5 messages, latest: Apr 15 2023 at 10:12)
- error with imports (9 messages, latest: Apr 15 2023 at 00:30)
- ✔ Understanding sections, namespaces and parameters (8 messages, latest: Apr 14 2023 at 16:07)
- C[0,1] is an \R module (13 messages, latest: Apr 14 2023 at 15:26)
- linear_independent subtypes (7 messages, latest: Apr 14 2023 at 12:33)
- Orthogonality of the Hermite polynomials (12 messages, latest: Apr 14 2023 at 04:11)
- ✔ (Deleted) (3 messages, latest: Apr 14 2023 at 02:01)
- Simple eigenvector problem (12 messages, latest: Apr 13 2023 at 23:04)
- ✔ Tutorials 0079 (8 messages, latest: Apr 13 2023 at 21:09)
- Tactics import (2 messages, latest: Apr 13 2023 at 16:36)
- Reducing an expression with typeclass arg and projectionio (2 messages, latest: Apr 13 2023 at 13:30)
- ✔ leanproject build Documentation (5 messages, latest: Apr 13 2023 at 08:32)
- ✔
case
error on "complex" inductive type (14 messages, latest: Apr 13 2023 at 07:30) - Tyler Tracy (3 messages, latest: Apr 12 2023 at 10:35)
- Casting to and from Floats (41 messages, latest: Apr 12 2023 at 09:46)
- Mathlib4 - check that caching works (12 messages, latest: Apr 12 2023 at 08:01)
- ✔ Constant Function of Finite Support on Finite Type (3 messages, latest: Apr 12 2023 at 06:17)
- Owen Kahn (2 messages, latest: Apr 11 2023 at 20:58)
- Soundness of Lean/CIC (11 messages, latest: Apr 11 2023 at 00:34)
- Formalizing Lawvere Duality (5 messages, latest: Apr 10 2023 at 17:03)
- ✔ Lean 4 help (14 messages, latest: Apr 10 2023 at 14:22)
- Odd and even functions (46 messages, latest: Apr 10 2023 at 10:50)
- interested in lean 4 (13 messages, latest: Apr 10 2023 at 03:15)
- ✔ fin.rec (11 messages, latest: Apr 09 2023 at 10:30)
- linear independent (10 messages, latest: Apr 09 2023 at 10:23)
- Well-founded Set (14 messages, latest: Apr 09 2023 at 04:26)
- has_add (5 messages, latest: Apr 08 2023 at 19:07)
- Hints/Suggestions (39 messages, latest: Apr 08 2023 at 09:15)
- Insert Lean code in Latex (13 messages, latest: Apr 07 2023 at 08:51)
- Proving EM from DNE (38 messages, latest: Apr 07 2023 at 03:49)
- GitHub permission (11 messages, latest: Apr 06 2023 at 18:53)
- non-master branch access to mathlib (3 messages, latest: Apr 06 2023 at 17:18)
- How to combine type classes? (5 messages, latest: Apr 06 2023 at 14:26)
- locally injective function (2 messages, latest: Apr 05 2023 at 18:18)
- offline documentation for project (8 messages, latest: Apr 05 2023 at 15:51)
- Getting Intermediate Output from Lean (6 messages, latest: Apr 05 2023 at 14:14)
- Adding binary numbers (13 messages, latest: Apr 05 2023 at 00:35)
- formalizing something of algebraic geometry (6 messages, latest: Apr 03 2023 at 16:09)
- simp and do notation (13 messages, latest: Apr 03 2023 at 11:28)
- fderiv and mv_polynomial (11 messages, latest: Apr 02 2023 at 14:16)
- ✔ Prove something is first deriv of g (4 messages, latest: Apr 02 2023 at 10:12)
- ✔ Long proof of multiplication property for nat. numbers (7 messages, latest: Mar 31 2023 at 22:16)
- Parsing JSON <k,v> pairs in JSON obj (12 messages, latest: Mar 31 2023 at 21:34)
- Help with rw and simp and (x.fst, x.snd) (17 messages, latest: Mar 31 2023 at 15:05)
- Error Thread for defining special type of gauss sums (45 messages, latest: Mar 31 2023 at 14:21)
- ✔ counterexample generator (67 messages, latest: Mar 31 2023 at 11:43)
- ✔ Use rw with <=< (7 messages, latest: Mar 31 2023 at 11:43)
- ✔ Looking for a subtle hint for advanced multiplication w… (12 messages, latest: Mar 30 2023 at 23:29)
- Level of Generality while Contributing (38 messages, latest: Mar 30 2023 at 23:01)
- Installing Lean 4 (4 messages, latest: Mar 30 2023 at 23:01)
- The meaning of instances (8 messages, latest: Mar 30 2023 at 19:01)
- ✔ Computing Inductive Types (44 messages, latest: Mar 30 2023 at 18:31)
- ✔ Inductive type function application syntax (4 messages, latest: Mar 30 2023 at 17:37)
- failed to synthesize instance (22 messages, latest: Mar 29 2023 at 18:24)
- Geometry (8 messages, latest: Mar 29 2023 at 14:28)
- ✔ deterministic timeout on def (6 messages, latest: Mar 29 2023 at 11:09)
- ✔ tendsto_inverse_at_top_nhds_0_nat in the complex numbers (11 messages, latest: Mar 28 2023 at 22:40)
- function cont diffable from set to internal (3 messages, latest: Mar 28 2023 at 21:48)
- Generalization of Banach Steinhaus Theorem (11 messages, latest: Mar 28 2023 at 20:43)
- taylor mean remainder thm (6 messages, latest: Mar 28 2023 at 10:01)
- linear_algebra, matrices and vectors (10 messages, latest: Mar 27 2023 at 22:01)
- How to write symbols in VS code for a lean file? (9 messages, latest: Mar 27 2023 at 19:35)
- #align (10 messages, latest: Mar 27 2023 at 19:05)
- Creating a map between structures (2 messages, latest: Mar 27 2023 at 17:42)
- Saying hi (19 messages, latest: Mar 27 2023 at 11:13)
- ✔ Weird solution in Natural Number Game (10 messages, latest: Mar 27 2023 at 10:55)
- What is the difference between this? (17 messages, latest: Mar 27 2023 at 08:37)
- Eigenvalue of matrix products AB and BA (18 messages, latest: Mar 27 2023 at 08:16)
- Understanding PR github links (34 messages, latest: Mar 26 2023 at 15:15)
- Coercions and liftings (11 messages, latest: Mar 26 2023 at 13:38)
- pull request permission (13 messages, latest: Mar 25 2023 at 16:57)
- ✔ Lean3 or Lean4 for a beginner? (4 messages, latest: Mar 25 2023 at 05:23)
- missing 'noncomputable' modifier (54 messages, latest: Mar 24 2023 at 23:16)
- Help with universe levels and Monads (27 messages, latest: Mar 24 2023 at 17:41)
- ✔ Fail to build project (2 messages, latest: Mar 24 2023 at 11:13)
- image of a add_submonoid by a ring_hom (15 messages, latest: Mar 24 2023 at 07:41)
- ✔ Inequality over naturals implies inequality over field (15 messages, latest: Mar 24 2023 at 00:57)
- Continous time process (5 messages, latest: Mar 23 2023 at 21:38)
- Typeclass instance problem is stuck here (5 messages, latest: Mar 23 2023 at 02:57)
- Pattern matching and proofs involving equality (25 messages, latest: Mar 23 2023 at 01:22)
- First time user report (7 messages, latest: Mar 23 2023 at 00:37)
- ✔ unexpected type mismatch (11 messages, latest: Mar 22 2023 at 17:20)
- Constrain type (4 messages, latest: Mar 22 2023 at 15:57)
- hilbert's axiom (23 messages, latest: Mar 22 2023 at 15:56)
- Contributing to mathlib (131 messages, latest: Mar 22 2023 at 13:06)
- ✔ How to uncoerce? (12 messages, latest: Mar 22 2023 at 08:44)
- Inferring typeclass instances for structure member types (9 messages, latest: Mar 22 2023 at 05:34)
- ✔ lean4 aarch64 (apple m2) build issues (4 messages, latest: Mar 22 2023 at 00:33)
- Multiplying both halves of a fraction (Lean 4) (25 messages, latest: Mar 21 2023 at 19:05)
- Documentation (6 messages, latest: Mar 21 2023 at 10:18)
- work with fork (6 messages, latest: Mar 21 2023 at 00:40)
- ✔ Extending continuous_map (4 messages, latest: Mar 20 2023 at 23:58)
- ✔ Decidable membership b/t two types (15 messages, latest: Mar 20 2023 at 17:47)
- Deactivate the standard library (10 messages, latest: Mar 20 2023 at 10:06)
- ✔ proof of
\neq
in context ofelse
(3 messages, latest: Mar 19 2023 at 21:06) - Power series Inclusion Function (8 messages, latest: Mar 19 2023 at 20:18)
- ✔ "Driving in" membership (12 messages, latest: Mar 19 2023 at 19:29)
- ✔ Unknown placeholder (21 messages, latest: Mar 19 2023 at 18:17)
- ✔ Local context from a
rec_on
(11 messages, latest: Mar 19 2023 at 13:49) - getting epsilon neighbourhood from general neighbourhood (7 messages, latest: Mar 19 2023 at 13:23)
- ✔ hessian of a function (18 messages, latest: Mar 19 2023 at 11:38)
- ✔ Problem w/ function on inductive type (9 messages, latest: Mar 19 2023 at 03:32)
- infinite_iff_arb_large (27 messages, latest: Mar 18 2023 at 23:02)
- ✔
equiv_rw
on hypothesis type mismatch (8 messages, latest: Mar 18 2023 at 17:44) - Typeclasses for Banach Algebra (42 messages, latest: Mar 18 2023 at 17:10)
- How to rewrite (0 : nat) as bot, or conversely (4 messages, latest: Mar 18 2023 at 12:48)
- differentiation in multivariate setting (71 messages, latest: Mar 18 2023 at 11:08)
- ✔ Hessian (3 messages, latest: Mar 17 2023 at 14:22)
- Working with complex numbers (6 messages, latest: Mar 17 2023 at 14:13)
- A monad(ic) failure (4 messages, latest: Mar 17 2023 at 13:34)
- Casting from N to R (3 messages, latest: Mar 16 2023 at 23:58)
- can set_like be inherited? (8 messages, latest: Mar 16 2023 at 23:53)
- What should I contribute to mathlib? (22 messages, latest: Mar 16 2023 at 23:17)
- [] in struct (1 message, latest: Mar 15 2023 at 18:33)
- differentiability tactic (6 messages, latest: Mar 15 2023 at 16:07)
- Stability (4 messages, latest: Mar 15 2023 at 00:29)
- floating trigonometric functions in Lean4 (3 messages, latest: Mar 15 2023 at 00:08)
- ✔ Mathlib Github Repo (5 messages, latest: Mar 14 2023 at 20:53)
- notation (27 messages, latest: Mar 14 2023 at 13:19)
- ✔ Empty set looks buggy in a terminal (6 messages, latest: Mar 13 2023 at 21:33)
- Matching on prop (19 messages, latest: Mar 13 2023 at 16:48)
- Recursive call on inductive prop error with casesOn (2 messages, latest: Mar 13 2023 at 10:46)
- Arguments with infinite sets and decidability (36 messages, latest: Mar 13 2023 at 10:40)
- Help with induction on
Lex (Nat × Nat)
(16 messages, latest: Mar 13 2023 at 08:39) - ✔ Lambda in sum proof (19 messages, latest: Mar 13 2023 at 07:48)
- Help with a problem in Mathematics in Lean (7 messages, latest: Mar 13 2023 at 00:11)
- ✔ frontier_Icc (5 messages, latest: Mar 12 2023 at 17:13)
- Structure which extends two different structures (8 messages, latest: Mar 11 2023 at 23:49)
- Best way to learn lean? (43 messages, latest: Mar 10 2023 at 22:23)
- Issue with Library Calls (3 messages, latest: Mar 10 2023 at 18:12)
- Typing error with square brackets (7 messages, latest: Mar 10 2023 at 16:59)
- ✔ TPIL Chapter 7 #3 (7 messages, latest: Mar 10 2023 at 16:36)
- ✔ Issue creating Lean Project (6 messages, latest: Mar 10 2023 at 01:56)
- ✔ How to prove without tauto? (4 messages, latest: Mar 09 2023 at 21:18)
- Parsec Combinators (3 messages, latest: Mar 09 2023 at 18:57)
- set (25 messages, latest: Mar 09 2023 at 16:03)
- simplifying equation (74 messages, latest: Mar 09 2023 at 15:59)
- Unknown identifier error in instance (4 messages, latest: Mar 09 2023 at 12:31)
- why show..from ? (11 messages, latest: Mar 09 2023 at 00:15)
- ✔ Getting Fresh Elements of Infinite Type (8 messages, latest: Mar 08 2023 at 21:32)
- Grammar Transformation to Chomsky Normal Form (14 messages, latest: Mar 08 2023 at 19:50)
- ✔ type class inference of "sub" classes (9 messages, latest: Mar 08 2023 at 19:22)
- creating your own tactics & manipulating the expression tree (8 messages, latest: Mar 08 2023 at 15:38)
- Dependent elimination failure (2 messages, latest: Mar 08 2023 at 10:17)
- [] in class syntax (27 messages, latest: Mar 08 2023 at 08:56)
- Changes between lean 3 and lean 4 (3 messages, latest: Mar 08 2023 at 05:16)
- rewrite failed (3 messages, latest: Mar 08 2023 at 03:06)
- ✔ Declaring primality as an axiom (17 messages, latest: Mar 08 2023 at 00:49)
- Begin-end tactic (7 messages, latest: Mar 07 2023 at 21:48)
- ✔ Pi ne zero apply (10 messages, latest: Mar 07 2023 at 16:27)
- ✔ Proving two linear maps are the same (26 messages, latest: Mar 06 2023 at 23:08)
- Why do we have both
nat.dvd_sub
andnat.dvd_sub'
? (6 messages, latest: Mar 06 2023 at 23:03) - failed to instantiate goal with subtypes (6 messages, latest: Mar 06 2023 at 23:03)
- Proving a simple Denumerable instance (14 messages, latest: Mar 06 2023 at 19:32)
- ✔ Override default ordering instance (12 messages, latest: Mar 06 2023 at 15:04)
- fixing "broken" composition (27 messages, latest: Mar 06 2023 at 07:04)
- ✔ How to prove ae equal on interval? (14 messages, latest: Mar 06 2023 at 03:24)
- Does lean-mode hang often (10 messages, latest: Mar 05 2023 at 16:17)
- ✔ simple proof with enums (12 messages, latest: Mar 05 2023 at 14:36)
- ✔ rewrite the not in hypothesis (14 messages, latest: Mar 05 2023 at 13:20)
- import real numbers (49 messages, latest: Mar 05 2023 at 08:22)
- Installing lean on MacOS (31 messages, latest: Mar 05 2023 at 05:21)
- Maxwell relation (15 messages, latest: Mar 05 2023 at 00:26)
- ✔ getting rid of item before the implies (19 messages, latest: Mar 04 2023 at 17:35)
- ✔ Idiom for a bare existential? (9 messages, latest: Mar 03 2023 at 19:17)
- Importing Packages (11 messages, latest: Mar 03 2023 at 01:55)
- ✔ How does this proof work? (6 messages, latest: Mar 02 2023 at 22:54)
- ✔ rewrite tactic and coercions (7 messages, latest: Mar 01 2023 at 20:29)
- inequality from written proof (5 messages, latest: Feb 28 2023 at 23:34)
- Addition (3 messages, latest: Feb 28 2023 at 18:35)
- reshaping matrices (7 messages, latest: Feb 28 2023 at 16:20)
- Dependent props (5 messages, latest: Feb 28 2023 at 11:29)
- binet's formula (5 messages, latest: Feb 28 2023 at 04:17)
- help with function application and equality type (8 messages, latest: Feb 27 2023 at 22:50)
- #eval nat.factorization 72 2 gives error (5 messages, latest: Feb 27 2023 at 21:51)
- ✔ Puzzled by termination checking (23 messages, latest: Feb 27 2023 at 18:06)
- Finite fields in lean (21 messages, latest: Feb 27 2023 at 17:08)
- ✔ Peano axioms with cases (11 messages, latest: Feb 27 2023 at 11:16)
- Corestriction of a differentiable function (16 messages, latest: Feb 26 2023 at 23:44)
- prove basic things (67 messages, latest: Feb 26 2023 at 23:20)
- ✔ vs code light bulb for emacs (3 messages, latest: Feb 26 2023 at 17:56)
- ✔ Proving Formulas using or (7 messages, latest: Feb 24 2023 at 23:10)
- ✔ Newbie question about Natural Number Game | Advance Add… (13 messages, latest: Feb 24 2023 at 15:10)
- Weird tactic_state argument in tactics (6 messages, latest: Feb 24 2023 at 08:42)
- Unable to import files from the same folder (2 messages, latest: Feb 23 2023 at 20:13)
- Changing type of a variable from \Z to \N (3 messages, latest: Feb 23 2023 at 16:30)
- what are heartbeats? I'm getting a series of errors (16 messages, latest: Feb 23 2023 at 13:15)
- ✔ Proving polynomial always greater than zero (22 messages, latest: Feb 23 2023 at 09:28)
- Odd Typeclass Resolution Behavior (5 messages, latest: Feb 22 2023 at 19:58)
- ✔ cancel denominator from both sides of inequality (3 messages, latest: Feb 22 2023 at 15:35)
- Proving triangle inequality (4 messages, latest: Feb 22 2023 at 13:41)
- beginner question: imports (10 messages, latest: Feb 21 2023 at 22:17)
- Lean 4 cannot eval issue (5 messages, latest: Feb 21 2023 at 19:12)
- Trying to do real analysis with filters (14 messages, latest: Feb 21 2023 at 11:14)
- Chris Grossack (4 messages, latest: Feb 21 2023 at 08:44)
- Trying to understand Theorem Proving in Lean 4 exercise 7.3 (15 messages, latest: Feb 19 2023 at 15:00)
- problems setting up a project depending on mathlib4 (19 messages, latest: Feb 19 2023 at 10:28)
- Joel McCracken (16 messages, latest: Feb 18 2023 at 22:34)
- ✔ Problem with linear maps (16 messages, latest: Feb 18 2023 at 21:11)
- Rational number equality (4 messages, latest: Feb 18 2023 at 18:15)
- Don't know how to synthesize placeholder (2) (12 messages, latest: Feb 17 2023 at 23:40)
- Set membership (4 messages, latest: Feb 17 2023 at 17:49)
- Documentation on keywords like
obtain
(11 messages, latest: Feb 17 2023 at 17:18) - Recursive definition using some (27 messages, latest: Feb 17 2023 at 13:55)
- ✔ Shorter Proof on Functions (8 messages, latest: Feb 17 2023 at 10:30)
- Why doesn't
?m_2 ≠ 0
unify with2 ≠ 0
? (4 messages, latest: Feb 16 2023 at 19:39) - Double quotients for algebras (9 messages, latest: Feb 16 2023 at 11:30)
- ✔ can something be proved by #eval ? (4 messages, latest: Feb 15 2023 at 21:13)
- ✔ Functions in Lean (7 messages, latest: Feb 15 2023 at 18:13)
- tactic 'contradiction' failed (6 messages, latest: Feb 15 2023 at 14:54)
- Naming inconsistencies (4 messages, latest: Feb 15 2023 at 14:26)
- vscode does not detect mathlib (8 messages, latest: Feb 15 2023 at 08:14)
- ✔ Lean 4 in a new directory (13 messages, latest: Feb 14 2023 at 13:10)
- rw on sub expressions? (9 messages, latest: Feb 12 2023 at 16:36)
- Hi everyone! Seeking mentorship (1 message, latest: Feb 12 2023 at 02:14)
- Normal Distribution (7 messages, latest: Feb 11 2023 at 21:26)
- Rules for pattern matching in lambda expression (11 messages, latest: Feb 11 2023 at 14:37)
- "dot" notation for functors (6 messages, latest: Feb 11 2023 at 12:49)
- Referencing "exists" hypothesis (6 messages, latest: Feb 11 2023 at 00:30)
- How to actually use mathlib4? (10 messages, latest: Feb 10 2023 at 23:44)
- spring class for beginners in Lean (7 messages, latest: Feb 10 2023 at 15:46)
- Mysterious arguments (26 messages, latest: Feb 10 2023 at 14:56)
- Proving that an element is an integer of a valuation ring (5 messages, latest: Feb 10 2023 at 14:49)
- Lean_Course (8 messages, latest: Feb 10 2023 at 04:00)
- Walking through an Irrationality Proof of Square Root of 2 (16 messages, latest: Feb 10 2023 at 02:09)
- Problem with mul_inv_eq_one (4 messages, latest: Feb 10 2023 at 00:22)
- polynomial.eval_sub rewrite fail (11 messages, latest: Feb 09 2023 at 21:27)
- ✔ Nomatch tactic use (7 messages, latest: Feb 09 2023 at 16:06)
- Problem with linter.unusedVariables warnings in a proof (4 messages, latest: Feb 09 2023 at 11:04)
- [match _ vs if ](topic/match.20.20vs.20if.20_.html) (6 messages, latest: Feb 09 2023 at 04:00)
- mathlib4 build error (17 messages, latest: Feb 09 2023 at 00:00)
- Trouble rewriting inside set definition (5 messages, latest: Feb 08 2023 at 19:36)
- Quotient Lift Linear Order (12 messages, latest: Feb 08 2023 at 14:09)
- ✔ import data.zmod.basic (15 messages, latest: Feb 08 2023 at 11:49)
- Fibonacci Divisibility Sequence (54 messages, latest: Feb 08 2023 at 02:32)
- cases of decidable (24 messages, latest: Feb 07 2023 at 21:32)
- question on is_R_or_C (17 messages, latest: Feb 07 2023 at 16:48)
- Very simple type class fails (14 messages, latest: Feb 07 2023 at 13:45)
- Lean as a way to learn proving (5 messages, latest: Feb 07 2023 at 11:36)
- Real number is an integer (14 messages, latest: Feb 07 2023 at 07:12)
- Rearranging and regrouping sums (23 messages, latest: Feb 07 2023 at 00:45)
- ✔ Lean 4 compare integers (29 messages, latest: Feb 06 2023 at 22:43)
- ✔ Linarith for linear_ordered_comm_ring (7 messages, latest: Feb 06 2023 at 10:42)
- Conway's Angel Problem (42 messages, latest: Feb 04 2023 at 23:13)
- Some error while installing lean (2 messages, latest: Feb 04 2023 at 20:12)
- Which imports for textbook examples? (14 messages, latest: Feb 04 2023 at 13:17)
- Poisson Distribution (2 messages, latest: Feb 04 2023 at 00:40)
- some graphical algorithm notation (5 messages, latest: Feb 03 2023 at 21:37)
- Style feedback (19 messages, latest: Feb 03 2023 at 19:57)
- Casting and inductions (5 messages, latest: Feb 03 2023 at 16:45)
- stochastic process (7 messages, latest: Feb 03 2023 at 16:43)
- Custom cases (3 messages, latest: Feb 02 2023 at 22:32)
- ✔ [NewBie Q] : How to use decreasing_by tactic (10 messages, latest: Feb 02 2023 at 18:15)
- operator overload issue (5 messages, latest: Feb 02 2023 at 17:22)
- Type confusion (9 messages, latest: Feb 02 2023 at 16:00)
- ✔ trouble with induction proof (30 messages, latest: Feb 02 2023 at 15:54)
- Type mismatch at application 2 (20 messages, latest: Feb 02 2023 at 12:49)
- simplifying everything (1 message, latest: Feb 01 2023 at 20:57)
- Cauchy's Functional Equation over R (21 messages, latest: Feb 01 2023 at 19:05)
- ✔ Lean 4 first steps (6 messages, latest: Feb 01 2023 at 16:36)
- type class or library of machine integers (18 messages, latest: Feb 01 2023 at 16:28)
- trouble with induction proof (5 messages, latest: Jan 31 2023 at 20:32)
- Undergrad calculus (8 messages, latest: Jan 31 2023 at 20:11)
- ✔ Casting over a negative (11 messages, latest: Jan 31 2023 at 18:41)
- [NewBie Q] : How to use decreasing_by tactic (23 messages, latest: Jan 31 2023 at 18:28)
- ✔ [NewBie Q] : Is there way to pattern match range? (8 messages, latest: Jan 31 2023 at 15:15)
- ✔ [NewBie Question] : Implementing custom instances (3 messages, latest: Jan 30 2023 at 17:53)
- How does lambda work? (10 messages, latest: Jan 29 2023 at 20:01)
- recursive proof on inductive type (13 messages, latest: Jan 29 2023 at 15:54)
- assuming a type with a given set of properties (6 messages, latest: Jan 29 2023 at 11:22)
- VSCode install Lean4 Stable (7 messages, latest: Jan 27 2023 at 08:41)
equiv_rw
on hypothesis type mismatch (7 messages, latest: Jan 27 2023 at 01:53)- Confused about functions (6 messages, latest: Jan 26 2023 at 23:42)
comp
oraeval
(14 messages, latest: Jan 26 2023 at 23:00)- ✔ convergence using filters (13 messages, latest: Jan 25 2023 at 22:51)
- ✔ recursion not decreasing for inductive (11 messages, latest: Jan 25 2023 at 13:06)
- Wreath products (11 messages, latest: Jan 25 2023 at 00:20)
- induction h : xs vs induction xs (25 messages, latest: Jan 24 2023 at 21:37)
- Inverse to sylow.card_eq_multiplicity (21 messages, latest: Jan 24 2023 at 19:08)
- Sum_finit (4 messages, latest: Jan 24 2023 at 17:22)
- Expand
list.countp
(26 messages, latest: Jan 24 2023 at 00:11) - Using @[pattern] and binary_nat (1 message, latest: Jan 23 2023 at 21:57)
- ✔ confused about theorem (119 messages, latest: Jan 23 2023 at 15:42)
- ✔ Checking project files & Excessive memory (5 messages, latest: Jan 23 2023 at 14:21)
- ✔ decidable mem (5 messages, latest: Jan 23 2023 at 09:39)
- greetings & where to start? (40 messages, latest: Jan 23 2023 at 07:37)
- Quickest way to resolve exponent inequalities (6 messages, latest: Jan 23 2023 at 07:30)
- Are Global Variables OK? (12 messages, latest: Jan 23 2023 at 05:18)
- High level comments on (half-finished) proof (13 messages, latest: Jan 23 2023 at 05:14)
- Is there a concept of 'efficiency' in Lean? (15 messages, latest: Jan 23 2023 at 04:48)
- ✔ Infix (7 messages, latest: Jan 22 2023 at 15:38)
- Software verification tutorials? (1 message, latest: Jan 22 2023 at 04:56)
- Induction over list whose size is guaranteed to be 1? (12 messages, latest: Jan 21 2023 at 19:59)
- Andrew Dougherty (4 messages, latest: Jan 21 2023 at 19:42)
- Proving factor is at least 2 (4 messages, latest: Jan 21 2023 at 17:19)
- Personal knowledge management for relearning mathematics (1 message, latest: Jan 21 2023 at 16:25)
- (a, b) = (c,d) (2 messages, latest: Jan 21 2023 at 07:07)
- Making a proposition decidable (13 messages, latest: Jan 20 2023 at 09:12)
- How to prove a conditional? (3 messages, latest: Jan 20 2023 at 06:21)
- acyclic graphs and finite paths (5 messages, latest: Jan 19 2023 at 20:06)
- Notation already defined (8 messages, latest: Jan 19 2023 at 17:51)
- Proving seq continuity implies continuity (1 message, latest: Jan 19 2023 at 15:26)
- installing lean3+mathlib on M1 mac (22 messages, latest: Jan 19 2023 at 11:18)
- leanpkg.path does not exist (14 messages, latest: Jan 18 2023 at 22:23)
- existential statement about group (8 messages, latest: Jan 18 2023 at 21:50)
- simple linear algebra (3 messages, latest: Jan 18 2023 at 20:11)
- lean/mathlib teaching (10 messages, latest: Jan 18 2023 at 18:42)
- numerating elements of a set causing type issues (60 messages, latest: Jan 18 2023 at 15:56)
- Simplest way to finish (14 messages, latest: Jan 18 2023 at 14:23)
- getting new projects (7 messages, latest: Jan 18 2023 at 12:43)
- mathlib pull request permission (4 messages, latest: Jan 16 2023 at 23:07)
- [NewBie Q] is there a way to use '\0' (12 messages, latest: Jan 16 2023 at 16:41)
- Apply failed, don't know why and how to proceed (4 messages, latest: Jan 16 2023 at 14:07)
- Question about
calc
(18 messages, latest: Jan 16 2023 at 08:09) - Stack overflow for long lists/arrays? (28 messages, latest: Jan 15 2023 at 22:08)
- Product types, functions and structural recursion (5 messages, latest: Jan 15 2023 at 14:19)
- term cancelation? (2 messages, latest: Jan 14 2023 at 22:37)
- Graphs : weight for a walk (13 messages, latest: Jan 14 2023 at 21:34)
- Type issues (card for fintype and member of) (4 messages, latest: Jan 14 2023 at 18:08)
- [Newbie] What function converts Nat -> String.pos type? (3 messages, latest: Jan 14 2023 at 12:42)
- [Question] How to overwrite the default mk function (15 messages, latest: Jan 14 2023 at 09:40)
- Jovan Gerbscheid (2 messages, latest: Jan 13 2023 at 17:30)
- Is anyone working on Kaplansky's theorem? (4 messages, latest: Jan 13 2023 at 16:11)
- Walks as Graphs (5 messages, latest: Jan 13 2023 at 14:07)
- TCB Dependent Match (6 messages, latest: Jan 13 2023 at 12:56)
- lean installation debugging (10 messages, latest: Jan 13 2023 at 12:50)
- invalid import: topology.basic (4 messages, latest: Jan 13 2023 at 10:53)
- Real functions as vector spaces (9 messages, latest: Jan 13 2023 at 08:46)
- Example Request :: Small Algebra Project (10 messages, latest: Jan 13 2023 at 04:24)
- graphs and deleting edges (25 messages, latest: Jan 12 2023 at 18:36)
- Trivial tactic not working as I expected it to (8 messages, latest: Jan 12 2023 at 15:13)
- Introduction and basic question (13 messages, latest: Jan 12 2023 at 14:49)
- Using derivative composition (16 messages, latest: Jan 12 2023 at 14:22)
- Canonical way of saying "exists a bijection" (8 messages, latest: Jan 12 2023 at 08:55)
- Starting new people on Lean3 or Lean4? (34 messages, latest: Jan 12 2023 at 08:39)
- ✔ Cleanest way to compose arbitrary number of functions (20 messages, latest: Jan 12 2023 at 07:48)
- embedding looples graphs as graphs (12 messages, latest: Jan 12 2023 at 01:35)
- max(a,b) ≤ c → (a ≤ c)∧(b ≤ c) (7 messages, latest: Jan 11 2023 at 08:40)
- edge_set for Digraphs (7 messages, latest: Jan 10 2023 at 09:13)
- how to function composition (9 messages, latest: Jan 10 2023 at 01:30)
- I can't make sense of this error (20 messages, latest: Jan 10 2023 at 00:14)
- how to induction…? ;w; (20 messages, latest: Jan 09 2023 at 23:50)
- Instances of functions (9 messages, latest: Jan 09 2023 at 23:19)
- positive integers (13 messages, latest: Jan 09 2023 at 09:32)
- Nth derivative of a function (25 messages, latest: Jan 09 2023 at 06:22)
- Calculus with lean3 (23 messages, latest: Jan 08 2023 at 18:43)
- Type decidable_eq (6 messages, latest: Jan 07 2023 at 04:32)
- Intro: Elisabeth Bonnevier (2 messages, latest: Jan 06 2023 at 10:46)
- inheritance of type class instances (4 messages, latest: Jan 05 2023 at 14:45)
- natural number game (13 messages, latest: Jan 05 2023 at 07:37)
- Intro: Oisin McGuinness (1 message, latest: Jan 04 2023 at 19:33)
- mathlib caching doesn't work for me (15 messages, latest: Jan 04 2023 at 09:01)
- Show equality of structures by fields (3 messages, latest: Jan 03 2023 at 20:12)
- Using a structure (26 messages, latest: Jan 03 2023 at 09:09)
- Proof by cases on Nat (4 messages, latest: Jan 03 2023 at 01:46)
- Rewriting in just one place (newbie) (8 messages, latest: Jan 02 2023 at 22:29)
- Very Basic Question (8 messages, latest: Jan 02 2023 at 09:40)
- Make product argument of lambda function explicit (3 messages, latest: Dec 31 2022 at 20:08)
- Porting Matlib4 (2 messages, latest: Dec 30 2022 at 18:18)
- Formalizing basic linear algebra (23 messages, latest: Dec 30 2022 at 08:37)
- using the dec_trivial tactic (36 messages, latest: Dec 29 2022 at 19:29)
- List of generic types (3 messages, latest: Dec 29 2022 at 17:51)
- ✔ sqrt2 irrational (2 messages, latest: Dec 29 2022 at 08:29)
- lake binary missing (3 messages, latest: Dec 29 2022 at 07:30)
- sqrt2 irrational (6 messages, latest: Dec 29 2022 at 07:28)
- Spell-check in VSCode (2 messages, latest: Dec 28 2022 at 18:44)
- Cleanest way to compose arbitrary number of functions (26 messages, latest: Dec 28 2022 at 18:39)
- Strange behaviour after proving well foundedness (3 messages, latest: Dec 28 2022 at 08:19)
- Euclidian geometry (2 messages, latest: Dec 28 2022 at 08:11)
- ✔ GitHub advice (6 messages, latest: Dec 27 2022 at 17:22)
- library search (3 messages, latest: Dec 26 2022 at 08:44)
- ✔ Lake, libraries, and VSCode (for Mathlib4) (2 messages, latest: Dec 24 2022 at 13:11)
- Lake, libraries, and VSCode (for Mathlib4) (3 messages, latest: Dec 24 2022 at 10:52)
- GitHub advice (2 messages, latest: Dec 23 2022 at 18:00)
- ✔ avoiding
rename_i
(2 messages, latest: Dec 23 2022 at 16:21) - avoiding
rename_i
(3 messages, latest: Dec 23 2022 at 06:53) - "rewrite-heavy" proofs in category theory (2 messages, latest: Dec 22 2022 at 16:19)
- ✔ Inductive construction with conditions (10 messages, latest: Dec 21 2022 at 15:55)
- Move lemma from concrete class to mixin or duplicate? (10 messages, latest: Dec 21 2022 at 12:42)
- Intro: Lukas Miaskiwskyi (44 messages, latest: Dec 21 2022 at 01:20)
- ✔ Golf: context-free languages are not closed under compl… (9 messages, latest: Dec 20 2022 at 17:19)
- Golf: context-free languages are not closed under compl… (11 messages, latest: Dec 20 2022 at 14:00)
- Golf: context-free languages are not closed under complement (5 messages, latest: Dec 20 2022 at 12:37)
- Intro: Niels Voss (7 messages, latest: Dec 20 2022 at 11:06)
- ✔ unfold definition from a
have
(3 messages, latest: Dec 20 2022 at 03:45) - ✔ Compilation time of each theorem (2 messages, latest: Dec 19 2022 at 17:56)
- Compilation time of each theorem (6 messages, latest: Dec 19 2022 at 16:44)
- leanproject: "dot" not found in path (4 messages, latest: Dec 19 2022 at 14:17)
- Code generation for what is essentially a no-op function (10 messages, latest: Dec 19 2022 at 12:01)
- ✔ Instructions for visitors of my project (1 message, latest: Dec 19 2022 at 07:06)
- Instructions for visitors of my project (4 messages, latest: Dec 19 2022 at 07:03)
- non-local error message with induction in Lean4 (4 messages, latest: Dec 18 2022 at 07:29)
- ✔ cast nat in hypothesis to reals (3 messages, latest: Dec 18 2022 at 06:38)
- cast nat in hypothesis to reals (2 messages, latest: Dec 18 2022 at 03:34)
- behaviour of
exact
in lean4 (20 messages, latest: Dec 17 2022 at 14:07) - destruct evidence (4 messages, latest: Dec 17 2022 at 12:46)
- What to do with small, self-contained lemmas? (3 messages, latest: Dec 17 2022 at 09:09)
- Type universes (4 messages, latest: Dec 16 2022 at 22:18)
- Adding Kleene Algebras (3 messages, latest: Dec 15 2022 at 16:23)
- ✔ graph theory walks (2 messages, latest: Dec 15 2022 at 13:49)
- graph theory walks (6 messages, latest: Dec 15 2022 at 13:06)
- checking my logic? (38 messages, latest: Dec 14 2022 at 20:59)
- ✔ propositions about arbitrary constraints (9 messages, latest: Dec 14 2022 at 18:37)
- Maxwell Thum (Formalizing Discrete Differential Geometry?) (42 messages, latest: Dec 14 2022 at 11:36)
- "nonempty s" vs "s.nonempty" (19 messages, latest: Dec 14 2022 at 00:34)
- (n > 0) as a variable declaration (6 messages, latest: Dec 13 2022 at 18:53)
- ✔ No news is good news? (1 message, latest: Dec 13 2022 at 01:43)
- libraries, different version of mathlib (16 messages, latest: Dec 12 2022 at 13:26)
- File not found in the search path (9 messages, latest: Dec 12 2022 at 13:04)
- ✔ import file from outside src (4 messages, latest: Dec 12 2022 at 12:52)
- import file from outside src (4 messages, latest: Dec 12 2022 at 12:03)
- Intro: Ira Fesefeldt (1 message, latest: Dec 12 2022 at 10:21)
- can't find instance (31 messages, latest: Dec 12 2022 at 08:06)
- ✔ coercion in inequalities (20 messages, latest: Dec 10 2022 at 19:02)
- coercion in inequalities (9 messages, latest: Dec 10 2022 at 18:00)
- Organization of Mathlib (10 messages, latest: Dec 10 2022 at 14:49)
- Guide for OOP devs? (33 messages, latest: Dec 09 2022 at 11:30)
- Simple String.split lemma (1 message, latest: Dec 08 2022 at 06:56)
- API Documentation (13 messages, latest: Dec 08 2022 at 02:21)
- cardinals across universes (7 messages, latest: Dec 07 2022 at 19:24)
- typeclass inference doesn't find instance? (4 messages, latest: Dec 06 2022 at 15:30)
- typeclass resolution isn't working: failed is_def_eq (2 messages, latest: Dec 05 2022 at 21:45)
- ✔ Into: Jake (1 message, latest: Dec 05 2022 at 16:34)
- ✔ Opposite specialize (13 messages, latest: Dec 05 2022 at 15:42)
- ✔ list reduce (2 messages, latest: Dec 05 2022 at 10:32)
- extract proof from monad pattern match (23 messages, latest: Dec 05 2022 at 07:04)
- Blaine William Rogers (2 messages, latest: Dec 05 2022 at 06:54)
- Lean 4 "expected :=" for println? (3 messages, latest: Dec 05 2022 at 05:06)
- ✔ Are the reals really uncountable? (2 messages, latest: Dec 04 2022 at 21:14)
- Are the reals really uncountable? (4 messages, latest: Dec 04 2022 at 20:37)
- list reduce (3 messages, latest: Dec 04 2022 at 15:05)
- questions about the Z3 theorem prover (40 messages, latest: Dec 04 2022 at 10:55)
- Hello World! (15 messages, latest: Dec 04 2022 at 10:40)
- What's the lean4 equivalent of 'cc'? (10 messages, latest: Dec 04 2022 at 08:26)
- HoTT support in Lean3 (3 messages, latest: Dec 04 2022 at 06:57)
- I'm missing something basic about construction in theorems (5 messages, latest: Dec 04 2022 at 01:27)
- Applying theorems to arguments (2 messages, latest: Dec 03 2022 at 23:05)
- ✔ Getting pretty printer to display wildcards (1 message, latest: Dec 03 2022 at 19:13)
- Puzzled by termination checking (5 messages, latest: Dec 03 2022 at 18:25)
- Getting pretty printer to display wildcards (15 messages, latest: Dec 03 2022 at 17:17)
- are truth tables an option? (39 messages, latest: Dec 02 2022 at 23:22)
- defining surreal numbers (42 messages, latest: Dec 02 2022 at 10:30)
- (re)defining vector spaces while allowing for subspaces (18 messages, latest: Dec 02 2022 at 07:26)
- neovim plugin seems to be broken (2 messages, latest: Dec 01 2022 at 15:51)
- error: binary package was not provided (5 messages, latest: Dec 01 2022 at 06:07)
- No news is good news? (13 messages, latest: Dec 01 2022 at 04:06)
- Docs (11 messages, latest: Nov 30 2022 at 19:20)
- sets in lean 4 (27 messages, latest: Nov 30 2022 at 17:07)
- ✔ section variable with typeclass (7 messages, latest: Nov 29 2022 at 14:47)
- get R^n from mathlib (35 messages, latest: Nov 29 2022 at 13:03)
- ✔ defining surreal numbers (28 messages, latest: Nov 29 2022 at 11:50)
- ✔ rw zero_add failure (8 messages, latest: Nov 29 2022 at 02:12)
- Hello! from Ian (7 messages, latest: Nov 28 2022 at 23:47)
- Into: Jake (17 messages, latest: Nov 28 2022 at 17:57)
- definition of quotients (8 messages, latest: Nov 28 2022 at 04:56)
- Intro: Vadim (2 messages, latest: Nov 27 2022 at 20:42)
- Hi from Mike George (2 messages, latest: Nov 27 2022 at 16:31)
- Splitting up large proofs (7 messages, latest: Nov 27 2022 at 03:24)
- Can you build my project? (3 messages, latest: Nov 25 2022 at 22:26)
- nix shell (5 messages, latest: Nov 25 2022 at 17:53)
- ✔ Downloading lean (1 message, latest: Nov 25 2022 at 12:06)
- Downloading lean (12 messages, latest: Nov 25 2022 at 11:40)
- ✔ Intro-have (2 messages, latest: Nov 24 2022 at 17:42)
- Intro-have (7 messages, latest: Nov 24 2022 at 09:19)
- yep (1 message, latest: Nov 24 2022 at 01:42)
- ✔ Pause emacs info (1 message, latest: Nov 23 2022 at 04:03)
- Pause emacs info (3 messages, latest: Nov 23 2022 at 01:32)
- Error: missing 'noncomputable' modifier (66 messages, latest: Nov 21 2022 at 20:47)
- Coercions from finset to set (5 messages, latest: Nov 21 2022 at 18:46)
- ✔ Injectivity of linear equivalence type mismatch (10 messages, latest: Nov 21 2022 at 14:50)
- ✔ rw fails on exact match (4 messages, latest: Nov 20 2022 at 16:44)
- ✔ list zip nodup (5 messages, latest: Nov 20 2022 at 12:14)
- list zip nodup (26 messages, latest: Nov 20 2022 at 05:01)
- Can't display a number whose type is wrapped in a structure (43 messages, latest: Nov 19 2022 at 07:13)
- ✔ declare unique constants (1 message, latest: Nov 19 2022 at 00:46)
- ✔ Proof by symmetry (or mutatis mutandis ) (5 messages, latest: Nov 18 2022 at 00:07)
- Computability, P (and NP) (23 messages, latest: Nov 17 2022 at 23:37)
- NNG induction (7 messages, latest: Nov 17 2022 at 18:28)
- Can't infer type from instance (6 messages, latest: Nov 17 2022 at 16:45)
- Can't display a number wrapped in a structure (8 messages, latest: Nov 17 2022 at 16:45)
- ✔ TW: violence (1 message, latest: Nov 17 2022 at 13:59)
- ✔ Coq cbn simpl (9 messages, latest: Nov 17 2022 at 13:58)
- TW: violence (4 messages, latest: Nov 17 2022 at 11:57)
- Playing with Decidable (32 messages, latest: Nov 17 2022 at 04:42)
- Unaddressable names (13 messages, latest: Nov 17 2022 at 01:52)
- writing tactics - quickstart info (14 messages, latest: Nov 16 2022 at 23:53)
- swapping things in a lemma (3 messages, latest: Nov 16 2022 at 21:19)
- confused on what's happening here… N and Z? (33 messages, latest: Nov 16 2022 at 20:19)
- ✔ VS Code collapse section (14 messages, latest: Nov 16 2022 at 18:52)
- declare unique constants (37 messages, latest: Nov 16 2022 at 18:30)
- doc-gen4: git exited with code 128 (7 messages, latest: Nov 16 2022 at 07:09)
- ✔ Linearly Extending a Function (1 message, latest: Nov 16 2022 at 04:00)
- write access? (1 message, latest: Nov 16 2022 at 03:15)
- Intro: Andrew Carter (3 messages, latest: Nov 15 2022 at 22:25)
- [✔ generalize at ](topic/.E2.9C.94.20generalize.20at.20.html) (1 message, latest: Nov 15 2022 at 15:45)
- ✔ binary package was not provided for 'windows' (4 messages, latest: Nov 15 2022 at 15:26)
- ✔ structure extension diamond? (14 messages, latest: Nov 15 2022 at 15:25)
- binary package was not provided for 'windows' (20 messages, latest: Nov 15 2022 at 14:20)
- Linearly Extending a Function (3 messages, latest: Nov 15 2022 at 09:24)
- Convert dite to tactic (2 messages, latest: Nov 14 2022 at 19:42)
- help with dsimp (10 messages, latest: Nov 14 2022 at 18:00)
- ✔ Getting rid of set coercions (28 messages, latest: Nov 14 2022 at 15:04)
- Getting something like mathlib docs for a personal project (3 messages, latest: Nov 13 2022 at 22:32)
- Coq cbn simpl (16 messages, latest: Nov 12 2022 at 21:08)
- Redundant lambda (54 messages, latest: Nov 12 2022 at 19:04)
- forward proof (28 messages, latest: Nov 12 2022 at 18:50)
- ✔ Using an axiom with ∃! (1 message, latest: Nov 12 2022 at 07:00)
- Using an axiom with ∃! (2 messages, latest: Nov 12 2022 at 04:37)
- Using an axiom with "let" (4 messages, latest: Nov 12 2022 at 03:01)
- ✔ Counting occurrences without decidable_eq (1 message, latest: Nov 11 2022 at 20:11)
- Understanding rec (2 messages, latest: Nov 11 2022 at 19:35)
- Counting occurrences without decidable_eq (28 messages, latest: Nov 11 2022 at 18:37)
- Where is the Lean Server Error Log? (5 messages, latest: Nov 11 2022 at 15:06)
- Replace a term with its definition (15 messages, latest: Nov 11 2022 at 14:55)
- Intro: Pieter Cuijpers (2 messages, latest: Nov 11 2022 at 12:26)
- ✔ Lean4: Workspace not trusted in VS Code (1 message, latest: Nov 10 2022 at 16:32)
- i seem to have no access to mathlib… (3 messages, latest: Nov 10 2022 at 09:47)
- ✔ api document for lean3 (1 message, latest: Nov 10 2022 at 06:10)
- api document for lean3 (1 message, latest: Nov 10 2022 at 05:55)
- [generalize at ](topic/generalize.20at.20.html) (3 messages, latest: Nov 08 2022 at 21:52)
- Stuck on an outdated version of mathlib? (96 messages, latest: Nov 08 2022 at 21:52)
- decidable_eq in quotient module (14 messages, latest: Nov 08 2022 at 21:43)
- Searching proofs (5 messages, latest: Nov 08 2022 at 16:44)
- ✔ ordinals across universes (5 messages, latest: Nov 08 2022 at 12:36)
- ordinals across universes (7 messages, latest: Nov 07 2022 at 21:51)
- ✔ Proving equality of two terms in a structure (6 messages, latest: Nov 07 2022 at 18:04)
- Moetrash 2x (17 messages, latest: Nov 07 2022 at 16:42)
- solutions to the exercises from the Lean Theorem Prover (2 messages, latest: Nov 07 2022 at 12:04)
- ✔ Using 0 with has zero doesn't quite work (1 message, latest: Nov 07 2022 at 11:32)
- How to check element is in set (7 messages, latest: Nov 06 2022 at 22:38)
- Lean4: Workspace not trusted in VS Code (34 messages, latest: Nov 06 2022 at 22:04)
- ✔ add_right_eq_zero cant match "b + c * b = 0" (8 messages, latest: Nov 06 2022 at 18:45)
- ✔ refl tactic not unifying? (8 messages, latest: Nov 06 2022 at 14:46)
- ✔ trinum proof with induction help (1 message, latest: Nov 06 2022 at 14:19)
- trinum proof with induction help (12 messages, latest: Nov 06 2022 at 13:27)
- ✔ rewrite rule (17 messages, latest: Nov 06 2022 at 00:23)
- Using 0 with has zero doesn't quite work (10 messages, latest: Nov 05 2022 at 21:52)
- ✔ order of arguments (1 message, latest: Nov 05 2022 at 19:14)
- rewrite rule (21 messages, latest: Nov 05 2022 at 18:49)
- order of arguments (9 messages, latest: Nov 05 2022 at 18:40)
- cannot build tutorials (37 messages, latest: Nov 05 2022 at 13:32)
- more explicit contradiction than linarith (10 messages, latest: Nov 05 2022 at 13:18)
- Unexpected meta goals (4 messages, latest: Nov 04 2022 at 21:24)
- turn inequality of the natural numbers to cases (3 messages, latest: Nov 04 2022 at 20:23)
- Tactic for Divisibility (4 messages, latest: Nov 04 2022 at 20:23)
- Cancelling in the Integers (8 messages, latest: Nov 04 2022 at 20:15)
- turn iinequality of the natural numbers to cases (12 messages, latest: Nov 04 2022 at 19:53)
- Python not found on PATH (2 messages, latest: Nov 04 2022 at 10:22)
- Theorem Proving In Lean 4 (7 messages, latest: Nov 03 2022 at 21:17)
- simp on has_coe_to_fun (3 messages, latest: Nov 03 2022 at 17:46)
- Excessive memory consumption editing mathlib files (6 messages, latest: Nov 03 2022 at 15:49)
- Where to ask about lean3 and mathlib? (3 messages, latest: Nov 03 2022 at 15:26)
- cumbersome typeclass in theorem statement (55 messages, latest: Nov 03 2022 at 12:35)
- ✔ importing without notations (2 messages, latest: Nov 03 2022 at 03:33)
- importing without notations (7 messages, latest: Nov 03 2022 at 01:57)
- ✔ Help with Basic Property of Real Exponents (8 messages, latest: Nov 02 2022 at 23:36)
- Pattern match on
finset
(16 messages, latest: Nov 02 2022 at 19:37) - ✔ Convert
fin n
tofin (n+1)
(1 message, latest: Nov 02 2022 at 18:40) - Copy of a Pi type? (47 messages, latest: Nov 02 2022 at 18:14)
- Convert
fin n
tofin (n+1)
(5 messages, latest: Nov 02 2022 at 06:43) - ✔ working with club sets (6 messages, latest: Nov 01 2022 at 22:16)
- Xavier Généreux (2 messages, latest: Nov 01 2022 at 22:11)
- working with club sets (12 messages, latest: Nov 01 2022 at 20:39)
- ✔ silly computation with even numbers (1 message, latest: Nov 01 2022 at 20:33)
- silly computation with even numbers (8 messages, latest: Nov 01 2022 at 20:00)
- ✔ Is there a reason why
has_pow nat nat
doesn't exist? (4 messages, latest: Nov 01 2022 at 15:37) - ✔ s ≠ ∅ → s.nonempty (5 messages, latest: Nov 01 2022 at 15:02)
- using uncountable cofinality to show a sequence is bounded (6 messages, latest: Nov 01 2022 at 03:11)
- lean in browser on classroom PC (18 messages, latest: Nov 01 2022 at 00:39)
- Apply in an assumption? (45 messages, latest: Oct 31 2022 at 23:31)
- notation names (40 messages, latest: Oct 31 2022 at 20:42)
- Introduction: Felix W (33 messages, latest: Oct 31 2022 at 20:09)
- creating project on MacOS (7 messages, latest: Oct 31 2022 at 17:54)
- ✔ How to prove a recursive definition in lean4 (2 messages, latest: Oct 31 2022 at 14:41)
- How to prove a recursive definition in lean4 (18 messages, latest: Oct 31 2022 at 08:58)
- building a set from a sequence (12 messages, latest: Oct 31 2022 at 02:57)
- Remy vDdB (12 messages, latest: Oct 30 2022 at 22:37)
- dedup first occurrence (6 messages, latest: Oct 30 2022 at 18:26)
- default values in structure (lean4) (1 message, latest: Oct 30 2022 at 16:02)
- ✔ Need help in proving involution in Lean4 (3 messages, latest: Oct 30 2022 at 15:50)
- ✔ Lean4: Standard Library Documentation (1 message, latest: Oct 30 2022 at 14:10)
- Is there a reason why
has_pow nat nat
doesn't exist? (4 messages, latest: Oct 30 2022 at 13:17) - Lean4: Standard Library Documentation (7 messages, latest: Oct 30 2022 at 12:44)
- Need help in proving involution in Lean4 (21 messages, latest: Oct 30 2022 at 11:56)
- ✔ Lean/vs codium crashing (18 messages, latest: Oct 30 2022 at 06:00)
- Function with fewer elements (14 messages, latest: Oct 30 2022 at 05:35)
- Vector or something else? (5 messages, latest: Oct 29 2022 at 17:45)
- Lean/vs codium crashing (18 messages, latest: Oct 29 2022 at 17:06)
- lost in confusion (41 messages, latest: Oct 28 2022 at 22:11)
- help with instances (22 messages, latest: Oct 28 2022 at 16:21)
- Rewriting inline (6 messages, latest: Oct 28 2022 at 08:00)
- Simultaneously hint and library_search (22 messages, latest: Oct 28 2022 at 02:42)
- Reduction of words in groupoid: (1 message, latest: Oct 27 2022 at 08:49)
- ✔ Cannot get lean to see I have declared an instance (5 messages, latest: Oct 26 2022 at 22:33)
- Cannot get lean to see I have declared an instance (2 messages, latest: Oct 26 2022 at 20:57)
- ✔ Using Set Tactics for Finsets (1 message, latest: Oct 26 2022 at 20:39)
- Using Set Tactics for Finsets (7 messages, latest: Oct 26 2022 at 18:25)
- ✔ New to Lean, Blue Squiggle in VS Code (1 message, latest: Oct 26 2022 at 15:32)
- Term Mode (4 messages, latest: Oct 26 2022 at 11:26)
- Lean4 : Repr in parameterized inductive types (19 messages, latest: Oct 26 2022 at 10:14)
- importing multiple files at once (3 messages, latest: Oct 26 2022 at 00:24)
- ✔ What is the difference between braced and parenthesized… (2 messages, latest: Oct 25 2022 at 19:40)
- What is the difference between braced and parenthesized item (1 message, latest: Oct 25 2022 at 19:36)
- Proving notPiffnotP (2 messages, latest: Oct 25 2022 at 17:51)
- leanprover vs community (2 messages, latest: Oct 25 2022 at 10:30)
- Help with Basic Property of Real Exponents (10 messages, latest: Oct 25 2022 at 08:20)
- Neural Network Interface? (19 messages, latest: Oct 25 2022 at 08:10)
- Help a mathematician learn Lean? (101 messages, latest: Oct 25 2022 at 05:12)
- lean4 structure equality (7 messages, latest: Oct 24 2022 at 22:38)
- Lean installation (32 messages, latest: Oct 24 2022 at 18:31)
- ✔ import for classical (5 messages, latest: Oct 24 2022 at 11:05)
- import for classical (2 messages, latest: Oct 24 2022 at 10:22)
- Problem with inductive definition (12 messages, latest: Oct 24 2022 at 05:15)
- ✔ Lean4 tutorials : understanding the ▸ (1 message, latest: Oct 23 2022 at 22:45)
- ✔ help with instances (32 messages, latest: Oct 23 2022 at 21:50)
- Lean4 tutorials : understanding the ▸ (6 messages, latest: Oct 23 2022 at 21:00)
- ✔ File not found in LEAN_PATH (1 message, latest: Oct 23 2022 at 20:58)
- Pushing quiver along a map:
finish
does the job (7 messages, latest: Oct 23 2022 at 16:16) - Development Background (9 messages, latest: Oct 23 2022 at 06:53)
- ✔ Lean4 tutorials : (help) example for calc in rw not wo… (12 messages, latest: Oct 23 2022 at 01:53)
- Lean4 tutorials : (help) example for calc in rw not working (89 messages, latest: Oct 22 2022 at 21:28)
- ✔ Lean4 tutorials : What is the difference between have &… (2 messages, latest: Oct 22 2022 at 15:38)
- ✔ various forms of surjectivity (1 message, latest: Oct 22 2022 at 08:04)
- Lean4 tutorials : What is the difference between have & let (3 messages, latest: Oct 22 2022 at 03:38)
- ✔ Lean4 tutorials : Need help trying to prove distributiv… (27 messages, latest: Oct 21 2022 at 19:55)
- Lean4 tutorials : Need help trying to prove distributive pro (6 messages, latest: Oct 21 2022 at 19:19)
- ✔ I had a question about theorem proving in lean book (2 messages, latest: Oct 21 2022 at 16:30)
- various forms of surjectivity (5 messages, latest: Oct 21 2022 at 15:40)
- I had a question about theorem proving in lean book (6 messages, latest: Oct 21 2022 at 15:20)
- Decidability with fintype (24 messages, latest: Oct 21 2022 at 14:59)
- greetings (1 message, latest: Oct 21 2022 at 07:05)
- Cauchy Induction (9 messages, latest: Oct 21 2022 at 00:40)
- Introducing myself: Ian Jauslin (5 messages, latest: Oct 20 2022 at 23:24)
- Beginner issue: how to transport equality? (24 messages, latest: Oct 20 2022 at 19:51)
- Measure taking values in nat (40 messages, latest: Oct 20 2022 at 19:39)
- ✔ Measure taking values in nat (2 messages, latest: Oct 20 2022 at 17:02)
- Installation on mac issue (8 messages, latest: Oct 18 2022 at 20:34)
- New to Lean, Blue Squiggle in VS Code (4 messages, latest: Oct 18 2022 at 14:55)
- starting Lean and Lean version (25 messages, latest: Oct 17 2022 at 22:33)
- ✔ Lean chokes on a small proof : groupoid actions (5 messages, latest: Oct 17 2022 at 17:38)
- Lean chokes on a small proof : groupoid actions (4 messages, latest: Oct 17 2022 at 14:17)
- quotient modules exists_rep (9 messages, latest: Oct 17 2022 at 13:49)
- golfing Lawvere's fixed-point theorem (15 messages, latest: Oct 17 2022 at 07:55)
- dec_trivial slow (7 messages, latest: Oct 17 2022 at 05:24)
- ✔ evaluating gcd in a proof (6 messages, latest: Oct 16 2022 at 16:44)
- Fixing Docstring in mathlib3 (5 messages, latest: Oct 15 2022 at 13:39)
- ✔ lean broke (2 messages, latest: Oct 15 2022 at 07:26)
- lean broke (8 messages, latest: Oct 15 2022 at 07:02)
- Problem with tactic rw (13 messages, latest: Oct 15 2022 at 03:46)
- On the necessity of "open folder" (43 messages, latest: Oct 14 2022 at 17:48)
- Changing domain of a function (11 messages, latest: Oct 14 2022 at 10:58)
- coercions in TPL3 (17 messages, latest: Oct 14 2022 at 01:42)
- Dealing with empty lists (30 messages, latest: Oct 13 2022 at 22:38)
- Mathlib Install Issue (4 messages, latest: Oct 13 2022 at 05:13)
- How to prove this equality? (6 messages, latest: Oct 12 2022 at 12:55)
- ✔ Problem with tactic rw (4 messages, latest: Oct 12 2022 at 07:38)
- associativity of infix operators (11 messages, latest: Oct 11 2022 at 17:45)
- Alain (2 messages, latest: Oct 11 2022 at 10:56)
- Lean for Windows 7 (15 messages, latest: Oct 10 2022 at 20:03)
- Thanks Kevin (9 messages, latest: Oct 10 2022 at 16:11)
- "Implies" is missing (11 messages, latest: Oct 10 2022 at 11:08)
- Work on non-std analysis (4 messages, latest: Oct 10 2022 at 01:26)
- "no package provided for darwin" (8 messages, latest: Oct 09 2022 at 22:41)
- nat_abs vs lifted nat (5 messages, latest: Oct 09 2022 at 18:08)
- ✔ Bare bones lean (1 message, latest: Oct 09 2022 at 15:39)
- Mathlib with Visual Studio (13 messages, latest: Oct 08 2022 at 20:39)
- Pavol (1 message, latest: Oct 08 2022 at 14:16)
- Define quiver as inductive type. (12 messages, latest: Oct 08 2022 at 14:15)
- Axiomatic projective geometry (9 messages, latest: Oct 08 2022 at 11:58)
- MIL 1180 (13 messages, latest: Oct 08 2022 at 10:31)
- Introduction, question (eliminating if-then-else in conv) (15 messages, latest: Oct 07 2022 at 21:51)
- Bare bones lean (2 messages, latest: Oct 07 2022 at 12:44)
- Lean 4 vs 3? Binary / build system? (5 messages, latest: Oct 07 2022 at 12:27)
- Lean files of lftcm 2022 (4 messages, latest: Oct 06 2022 at 20:47)
- Ones vector inner product (8 messages, latest: Oct 06 2022 at 07:08)
- Sets of Reals are linearly ordered (11 messages, latest: Oct 05 2022 at 13:11)
- ✔ Division by Remainder (1 message, latest: Oct 05 2022 at 12:18)
- Division by Remainder (16 messages, latest: Oct 05 2022 at 05:46)
- ✔ Stacks push and pop (1 message, latest: Oct 04 2022 at 15:26)
- ✔ Membership of arrow in subgroupoid: has_mem instance? (7 messages, latest: Oct 04 2022 at 10:56)
- Contradiction fails when context contains proof of false (19 messages, latest: Oct 04 2022 at 07:45)
- How would you complete this inductive proof? (8 messages, latest: Oct 03 2022 at 21:53)
- ✔ Typing ᾰ (3 messages, latest: Oct 03 2022 at 17:12)
- Stacks push and pop (9 messages, latest: Oct 03 2022 at 15:52)
- Problems with downloading (3 messages, latest: Oct 03 2022 at 10:41)
- Typing ᾰ (29 messages, latest: Oct 03 2022 at 08:11)
- open command versus namespace command (3 messages, latest: Oct 02 2022 at 17:57)
- ✔ recursor 'Exists.dcases_on' can only eliminate into Prop (2 messages, latest: Oct 02 2022 at 15:40)
- recursor 'Exists.dcases_on' can only eliminate into Prop (4 messages, latest: Oct 02 2022 at 10:20)
- Dependent map on quotient: closing the
eq.rec
goal? (17 messages, latest: Oct 02 2022 at 07:56) - ✔ Prevent exact from discharging hypothesis (3 messages, latest: Oct 02 2022 at 00:16)
- Using Mathlib in emacs (no vscode allowed!) (4 messages, latest: Oct 01 2022 at 22:09)
- mathlib in emacs (3 messages, latest: Oct 01 2022 at 21:45)
- Please help understand Soundness!? (1 message, latest: Oct 01 2022 at 20:35)
- not p versus p implies false (40 messages, latest: Oct 01 2022 at 16:07)
- ✔ Proving a limit (2 messages, latest: Oct 01 2022 at 09:40)
- Inductive relation on inductively defined
Fin
types (6 messages, latest: Oct 01 2022 at 05:52) - ✔ More results from
library_search
(4 messages, latest: Oct 01 2022 at 01:22) - More results from
library_search
(1 message, latest: Sep 30 2022 at 19:05) - Automatically synthesize a fact in instance argument (10 messages, latest: Sep 30 2022 at 14:33)
- ✔ can't access instance (9 messages, latest: Sep 30 2022 at 01:22)
- Termination of mutual recursive definition (3 messages, latest: Sep 30 2022 at 01:16)
- Expanding a derive (2 messages, latest: Sep 29 2022 at 22:42)
- More documentation on the syntax of quantifiers? (58 messages, latest: Sep 29 2022 at 20:43)
- Permission to push to branch (13 messages, latest: Sep 29 2022 at 15:11)
- Proving a limit (6 messages, latest: Sep 29 2022 at 14:26)
- ad hoc types (3 messages, latest: Sep 28 2022 at 18:54)
- ✔ map on a set (2 messages, latest: Sep 28 2022 at 18:26)
- map on a set (4 messages, latest: Sep 28 2022 at 18:13)
- ✔ Prime ideals of Z are maximal (2 messages, latest: Sep 28 2022 at 13:12)
- Prime ideals of Z are maximal (2 messages, latest: Sep 28 2022 at 11:02)
- ✔ Lean v3.48.0 on MacOS (1 message, latest: Sep 28 2022 at 10:41)
- ✔ fail to show termination (1 message, latest: Sep 27 2022 at 18:33)
- fail to show termination (7 messages, latest: Sep 27 2022 at 15:21)
- Lean v3.48.0 on MacOS (5 messages, latest: Sep 27 2022 at 08:55)
- ✔ le_of_eq (4 messages, latest: Sep 27 2022 at 08:27)
- Setting up a Lean4 project that can use mathlib3/binport (2 messages, latest: Sep 27 2022 at 03:08)
- Proofs with negations (66 messages, latest: Sep 27 2022 at 00:07)
- Setting up a Lean4 project that can use mathlib3/synport (1 message, latest: Sep 26 2022 at 21:48)
- Thomas Murrills (1 message, latest: Sep 26 2022 at 21:23)
- rat.denumerable (14 messages, latest: Sep 26 2022 at 16:46)
- ✔ Memory consumption (2 messages, latest: Sep 26 2022 at 15:33)
- Looking for linear_algebra.direct_sum_module (10 messages, latest: Sep 26 2022 at 14:06)
- Memory consumption (3 messages, latest: Sep 26 2022 at 13:09)
- time of code (2 messages, latest: Sep 26 2022 at 11:37)
- Different lean versions in mathlib (4 messages, latest: Sep 26 2022 at 06:49)
- Defining a function (14 messages, latest: Sep 25 2022 at 21:07)
- $ in Lean, counterexamples/girard.lean (1 message, latest: Sep 25 2022 at 19:17)
- Double negation (29 messages, latest: Sep 25 2022 at 16:07)
- $ in Lean, counterexaples/girard.lean (6 messages, latest: Sep 25 2022 at 15:23)
- Members of a Power Set (14 messages, latest: Sep 25 2022 at 06:15)
- Inequality with ennreal type (17 messages, latest: Sep 24 2022 at 23:14)
- Monad and Applicative (23 messages, latest: Sep 24 2022 at 18:03)
- best tactic for simple subtraction in nat (14 messages, latest: Sep 24 2022 at 08:08)
- ✔ Match statement in type in structure (5 messages, latest: Sep 24 2022 at 01:22)
- Match statement in type in structure (6 messages, latest: Sep 23 2022 at 23:15)
- How do I find out where notation is defined? (7 messages, latest: Sep 23 2022 at 19:51)
- ✔ Calculator (9 messages, latest: Sep 23 2022 at 13:21)
- Reasoning with inductive relations (8 messages, latest: Sep 23 2022 at 11:58)
- fin eq not unified (36 messages, latest: Sep 23 2022 at 07:03)
- Amenable Groups (11 messages, latest: Sep 23 2022 at 07:01)
- error: binary package was not provided for 'linux' (3 messages, latest: Sep 22 2022 at 16:38)
- ✔ Amenable Groups (6 messages, latest: Sep 22 2022 at 06:55)
- ✔ function.update fin proof stuck (2 messages, latest: Sep 22 2022 at 06:39)
- fin coe proof (1 message, latest: Sep 22 2022 at 06:00)
- ✔ tactic.repeat and tactic.try (6 messages, latest: Sep 22 2022 at 00:04)
- ✔ Installing lean (1 message, latest: Sep 21 2022 at 19:54)
- VS Code issues (2 messages, latest: Sep 21 2022 at 16:03)
- ✔ leanproject : error getting mathlib (3 messages, latest: Sep 21 2022 at 07:50)
- leanproject : error getting mathlib (1 message, latest: Sep 21 2022 at 07:34)
- Hints on double Induction with le_induction (24 messages, latest: Sep 21 2022 at 05:27)
- Installing lean (24 messages, latest: Sep 21 2022 at 05:17)
- Why does this code work (and is there a simpler way)? (12 messages, latest: Sep 21 2022 at 04:08)
- Working with choose! (31 messages, latest: Sep 21 2022 at 03:42)
- Framework for endomorphisms (3 messages, latest: Sep 21 2022 at 02:58)
- Extracting quantifier data (16 messages, latest: Sep 20 2022 at 16:50)
- Limit definition issue. Probability theory (17 messages, latest: Sep 20 2022 at 13:04)
- ✔ using instances for a graph introduced in a statement (2 messages, latest: Sep 20 2022 at 02:25)
- but is expected to have type Prop : Type error (10 messages, latest: Sep 19 2022 at 23:47)
- Cancelling Denominators for Real Inequalities (23 messages, latest: Sep 19 2022 at 10:29)
- How to use mem_set_of_eq with ¬A (32 messages, latest: Sep 19 2022 at 09:12)
- ✔ Lean formatter (1 message, latest: Sep 19 2022 at 07:55)
- using instances for a graph introduced in a statement (5 messages, latest: Sep 19 2022 at 07:27)
- ✔ –only-export still gives a lot of exports (1 message, latest: Sep 18 2022 at 21:06)
- –only-export still gives a lot of exports (3 messages, latest: Sep 18 2022 at 18:53)
- Constructing a groupoid bypassing category instances? (24 messages, latest: Sep 18 2022 at 10:51)
- Lean formatter (11 messages, latest: Sep 17 2022 at 15:26)
- Projection of set (6 messages, latest: Sep 16 2022 at 19:55)
- calclucaltion in ennreal.of_real (14 messages, latest: Sep 16 2022 at 18:35)
- ✔ synth DecidableEq (5 messages, latest: Sep 16 2022 at 16:37)
- Help with advanced addition level 13 (3 messages, latest: Sep 16 2022 at 16:19)
- synth DecidableEq (1 message, latest: Sep 16 2022 at 15:49)
- ✔ canonical function from ring to int (11 messages, latest: Sep 16 2022 at 11:46)
- weird clear behaviour? (20 messages, latest: Sep 16 2022 at 11:14)
- Is "nat.eq_zero_of_add_eq_zero_right" misnamed? (13 messages, latest: Sep 16 2022 at 10:36)
- ✔ ℝ … dividing by product (31 messages, latest: Sep 16 2022 at 09:59)
- conflicting names in imports (5 messages, latest: Sep 16 2022 at 07:57)
- ✔ Construct NonzeroNat using matching (6 messages, latest: Sep 15 2022 at 22:59)
- ℝ … dividing by product (1 message, latest: Sep 15 2022 at 18:18)
- ✔ ℝ as comm_group (7 messages, latest: Sep 15 2022 at 18:17)
- Difficulty writing a type (23 messages, latest: Sep 15 2022 at 18:11)
- ✔ sum of variables of different types (1 message, latest: Sep 15 2022 at 16:05)
- ✔ 'has_norm' has already been declared (6 messages, latest: Sep 15 2022 at 14:26)
- ✔ Struggling with solving
invalid pattern
(4 messages, latest: Sep 15 2022 at 14:07) - 'has_norm' has already been declared (31 messages, latest: Sep 15 2022 at 13:44)
- Creating a class that collects other classes (5 messages, latest: Sep 15 2022 at 13:37)
- sum of variables of different types (6 messages, latest: Sep 14 2022 at 20:01)
- finishing off an inequality (5 messages, latest: Sep 14 2022 at 19:51)
- ✔ simp/ring/other should work here? (3 messages, latest: Sep 14 2022 at 19:16)
- simp/ring/other should work here? (9 messages, latest: Sep 14 2022 at 19:08)
- getting mathlib cache on windows (2 messages, latest: Sep 14 2022 at 18:34)
- Add to mathlib (5 messages, latest: Sep 14 2022 at 17:48)
- rw both sides of an equation (10 messages, latest: Sep 14 2022 at 13:52)
- How can I define the inverse of a real number? (8 messages, latest: Sep 14 2022 at 00:53)
- applying theorem to hypothesis (16 messages, latest: Sep 13 2022 at 23:28)
- Installation problem (88 messages, latest: Sep 13 2022 at 21:43)
- ✔ rw both sides of an equation (6 messages, latest: Sep 13 2022 at 19:44)
- How can I use Set operations in lean4? Thanks! (1 message, latest: Sep 13 2022 at 17:51)
- ✔ get all factors (17 messages, latest: Sep 13 2022 at 14:14)
- Local definitions in mutual inductive type block (2 messages, latest: Sep 12 2022 at 12:32)
- How to access applied argument by parameter name? (28 messages, latest: Sep 12 2022 at 11:27)
- JSON libraries? (6 messages, latest: Sep 12 2022 at 08:12)
- IS there a way to get all the available theorems in Lean3? (2 messages, latest: Sep 11 2022 at 20:16)
- ✔ Proving property after a rewrite? (10 messages, latest: Sep 11 2022 at 10:48)
- Working on Frobenius elements (264 messages, latest: Sep 10 2022 at 23:10)
- ✔ Induction on eqv_gen (1 message, latest: Sep 10 2022 at 20:16)
- Induction on eqv_gen (3 messages, latest: Sep 10 2022 at 14:13)
- Computation with dfinsupp and multisets (23 messages, latest: Sep 10 2022 at 03:40)
- Little installation problem (8 messages, latest: Sep 09 2022 at 20:12)
- Simple combinatorics exercise (14 messages, latest: Sep 08 2022 at 23:57)
- VSCode Infoview in a new window (10 messages, latest: Sep 08 2022 at 19:36)
- Help with mv_polynomial (9 messages, latest: Sep 08 2022 at 08:29)
- importing a file into a namspace (1 message, latest: Sep 08 2022 at 04:03)
- docs for erasing a term / compiling to VM? (2 messages, latest: Sep 07 2022 at 23:31)
- Inner product localized notation is not displayed (1 message, latest: Sep 07 2022 at 19:45)
- ✔ Opposite order `nonempty_sections_of_fintype_inverse_sy… (4 messages, latest: Sep 04 2022 at 05:04)
- ✔ Working with cardinal numbers (20 messages, latest: Sep 04 2022 at 04:52)
- Opposite order
nonempty_sections_of_fintype_inverse_system
(2 messages, latest: Sep 03 2022 at 23:22) - Injectivity of a map defined via basis.constr (3 messages, latest: Sep 03 2022 at 23:02)
- Working with cardinal numbers (1 message, latest: Sep 03 2022 at 21:11)
- Inverse order
nonempty_sections_of_fintype_inverse_system
(1 message, latest: Sep 03 2022 at 06:16) - Introduction to Lean examples (3 messages, latest: Sep 03 2022 at 05:55)
- Coercions and lists (6 messages, latest: Sep 02 2022 at 20:27)
- subgroup.subtype_mem (3 messages, latest: Sep 02 2022 at 20:17)
- [Dispatch a goal of (Exists (has_le.le n)?](topic/Dispatch.20a.20goal.20of.20(Exists.20(has_le.2Ele.20n).3F.html) (16 messages, latest: Sep 01 2022 at 13:17)
- 0 != 1 (4 messages, latest: Sep 01 2022 at 08:36)
- ✔ Getting all permutation lists of a finset (4 messages, latest: Aug 31 2022 at 21:41)
- Help finding some category definitions (4 messages, latest: Aug 31 2022 at 21:19)
- ✔ Acc is a prop (5 messages, latest: Aug 31 2022 at 07:32)
- Installing lean game maker (69 messages, latest: Aug 30 2022 at 15:28)
- Deterministic timeout after mathlib upgrade (10 messages, latest: Aug 30 2022 at 11:54)
- Multinomial coefficients definition (94 messages, latest: Aug 29 2022 at 23:49)
- Type Classes vs Dependent functions (21 messages, latest: Aug 29 2022 at 23:44)
- "which python" not working (8 messages, latest: Aug 29 2022 at 23:35)
- Lean installation issue with homebrew (3 messages, latest: Aug 29 2022 at 23:14)
- confusing behavior of 'tauto' (9 messages, latest: Aug 29 2022 at 14:40)
- How are the naturals numbers defined in Dependent type theor (18 messages, latest: Aug 29 2022 at 02:28)
- Tsum in Zeta function (14 messages, latest: Aug 27 2022 at 18:51)
- "not a rfl lemma" on something provable by rfl (15 messages, latest: Aug 27 2022 at 18:36)
- Eliminating eq.rec applications in goals. (11 messages, latest: Aug 27 2022 at 18:31)
- Writing decidable_nonneg for a quotient type. (34 messages, latest: Aug 27 2022 at 15:50)
- Remove core lib definition from local context (9 messages, latest: Aug 27 2022 at 08:57)
- Change default name
h
tohyp
(2 messages, latest: Aug 26 2022 at 11:33) - conditional definition (28 messages, latest: Aug 25 2022 at 22:53)
- ✔ Check for unused lemmata (3 messages, latest: Aug 25 2022 at 21:18)
- Natural to real (2 messages, latest: Aug 25 2022 at 15:18)
- Quantifying over classes (25 messages, latest: Aug 25 2022 at 14:38)
- Proving a constant is prime (13 messages, latest: Aug 25 2022 at 02:46)
- has_le isn't working even though has_add, has_mul, etc are. (18 messages, latest: Aug 25 2022 at 01:50)
- Setting base case for induction on n (2 messages, latest: Aug 25 2022 at 01:50)
- Preserving binary coprods of preserving arbitrary coprods (13 messages, latest: Aug 24 2022 at 22:22)
- Integral_infty (5 messages, latest: Aug 24 2022 at 15:13)
- ✔ formalizing a simple type system (from Hoffmann's thesis) (4 messages, latest: Aug 24 2022 at 14:34)
- Bijection from a finite set (1 message, latest: Aug 24 2022 at 04:37)
- ✔ Bijection from a finite set (3 messages, latest: Aug 24 2022 at 04:37)
- Bulhwi Cha & Seongwoo Shim: Introductions (11 messages, latest: Aug 24 2022 at 04:06)
- Bijection from a finite group (1 message, latest: Aug 24 2022 at 04:04)
- golfing help (4 messages, latest: Aug 23 2022 at 23:30)
- List of lists (3 messages, latest: Aug 23 2022 at 18:05)
- to_pequiv_matrix_mul' (5 messages, latest: Aug 23 2022 at 16:36)
- Using mul_lt_one_of_le_of_lt for reals (6 messages, latest: Aug 23 2022 at 02:47)
- Peano axioms (17 messages, latest: Aug 22 2022 at 21:09)
- show details of tactics (24 messages, latest: Aug 22 2022 at 17:11)
- ✔ Mathlib + VScode (3 messages, latest: Aug 21 2022 at 16:30)
- ✔ Implicit argument in tactic mode? (2 messages, latest: Aug 21 2022 at 12:46)
- leanproject new gives SSLError (19 messages, latest: Aug 21 2022 at 12:16)
- Mathlib + VScode (3 messages, latest: Aug 21 2022 at 11:16)
- ✔ instance troubles (11 messages, latest: Aug 21 2022 at 10:44)
- ✔ random number generator (7 messages, latest: Aug 20 2022 at 06:57)
- random number generator (6 messages, latest: Aug 19 2022 at 18:55)
- mathlib versioning and changelog (166 messages, latest: Aug 19 2022 at 18:42)
- namespace conflict advice (15 messages, latest: Aug 19 2022 at 10:24)
- ✔ Finite Matrix to Finset (3 messages, latest: Aug 19 2022 at 09:22)
- Finite Matrix to Finset (5 messages, latest: Aug 19 2022 at 09:09)
- ✔ Coding style – splitting long proofs (5 messages, latest: Aug 18 2022 at 23:10)
- Coding style – splitting long proofs (17 messages, latest: Aug 18 2022 at 19:23)
- ✔ Pattern matching and recursion (4 messages, latest: Aug 18 2022 at 17:05)
- Pattern matching and recursion (5 messages, latest: Aug 18 2022 at 14:32)
- Explanation/documentation of
.{1}
notation? (3 messages, latest: Aug 18 2022 at 00:32) - ✔ Choose fastest tactic (6 messages, latest: Aug 17 2022 at 23:34)
- How do I find the source for Lean 3.46? (4 messages, latest: Aug 17 2022 at 22:00)
- Choose fastest tactic (8 messages, latest: Aug 17 2022 at 20:59)
- ✔ Finding entry of a matrix with "minimal euclidean valua… (5 messages, latest: Aug 17 2022 at 16:04)
- Finding entry of a matrix with "minimal euclidean valuation" (2 messages, latest: Aug 17 2022 at 14:46)
- Rewrite goal in terms of function (11 messages, latest: Aug 17 2022 at 14:28)
- Is there a way to "name" the arguments to a theorem? (3 messages, latest: Aug 16 2022 at 17:01)
- ✔ Proving continuity (6 messages, latest: Aug 16 2022 at 12:07)
- ✔ list can't get longer by filter_map (7 messages, latest: Aug 16 2022 at 02:19)
- What is the correct/preferred way to TFAE (13 messages, latest: Aug 15 2022 at 23:15)
- Hello! (35 messages, latest: Aug 15 2022 at 19:38)
- Twitch stream of Natural Number Game (9 messages, latest: Aug 15 2022 at 19:17)
- list can't get longer by filter_map (27 messages, latest: Aug 15 2022 at 19:15)
- ✔ list.map versus list.filter_map (13 messages, latest: Aug 15 2022 at 18:55)
- list.map versus list.filter_map (4 messages, latest: Aug 15 2022 at 17:18)
- Jonatas Miguel (4 messages, latest: Aug 14 2022 at 17:25)
- Rewrite failed (2 messages, latest: Aug 14 2022 at 16:24)
- rw only replaces first occurrence (24 messages, latest: Aug 14 2022 at 12:42)
- ✔ resetting instance cache in term mode? (5 messages, latest: Aug 14 2022 at 01:43)
- resetting instance cache in term mode? (1 message, latest: Aug 14 2022 at 00:28)
- ✔ instance mismatch between propositions (16 messages, latest: Aug 13 2022 at 21:42)
- theorem needed for integration (5 messages, latest: Aug 13 2022 at 16:58)
- Proof-step vs tactic (6 messages, latest: Aug 12 2022 at 22:07)
- Rearranging terms with commutative operator (19 messages, latest: Aug 12 2022 at 21:28)
- is_R_or_C (5 messages, latest: Aug 12 2022 at 08:58)
- defining an arithmetic natural sequence (3 messages, latest: Aug 11 2022 at 16:40)
- Bulhwi Cha: Introduction (1 message, latest: Aug 11 2022 at 16:18)
- ✔ Problem with rw (3 messages, latest: Aug 11 2022 at 13:34)
- Problem with rw (3 messages, latest: Aug 11 2022 at 11:53)
- Existential quantifier and first projection (4 messages, latest: Aug 11 2022 at 05:30)
- Integration by parts (5 messages, latest: Aug 10 2022 at 17:50)
- ✔ Function on
fin n
(3 messages, latest: Aug 10 2022 at 17:08) - dumb question on ring tactic (3 messages, latest: Aug 10 2022 at 14:35)
- Deterministic timeout building an equivalence (1 message, latest: Aug 10 2022 at 09:49)
- extends (3 messages, latest: Aug 09 2022 at 22:32)
- Sum over product set (5 messages, latest: Aug 09 2022 at 19:33)
- get the specific version of mathlib (3 messages, latest: Aug 09 2022 at 04:25)
- Rewrite: function expected (13 messages, latest: Aug 08 2022 at 21:22)
- pyhton - openssl package error (3 messages, latest: Aug 08 2022 at 17:56)
- file import error (11 messages, latest: Aug 08 2022 at 14:55)
- ✔ Definition of acc (accessible) (8 messages, latest: Aug 08 2022 at 14:23)
- excessive memory consumption detected at expression trave… (8 messages, latest: Aug 08 2022 at 13:06)
- Homogeneous polynomials (4 messages, latest: Aug 08 2022 at 09:09)
- struggling with proving span of linear combinations (45 messages, latest: Aug 08 2022 at 09:02)
- ✔ Confusing issue with exact (2 messages, latest: Aug 07 2022 at 22:42)
- Confusing issue with exact (49 messages, latest: Aug 07 2022 at 18:24)
- Inf troubles (6 messages, latest: Aug 07 2022 at 16:46)
- ✔ Is finish considered bad? (2 messages, latest: Aug 07 2022 at 15:55)
- Don't understand type mismatch (5 messages, latest: Aug 07 2022 at 13:28)
- Some easy rat lemmas (36 messages, latest: Aug 07 2022 at 13:03)
- Is finish considered bad? (42 messages, latest: Aug 07 2022 at 11:31)
- next step after nonnegative integer game (17 messages, latest: Aug 06 2022 at 18:51)
- ssubset lemma (6 messages, latest: Aug 06 2022 at 07:12)
- Tidying up some messy currying and option handling (27 messages, latest: Aug 06 2022 at 04:12)
- fintype instance singleton (8 messages, latest: Aug 06 2022 at 03:41)
- ✔ Tidying up some messy currying and option handling (13 messages, latest: Aug 05 2022 at 18:43)
- Where to post questions about Lean4? (3 messages, latest: Aug 05 2022 at 15:52)
- Lean in daily maths (24 messages, latest: Aug 05 2022 at 15:01)
- Composing surjections, proof using pattern matching (3 messages, latest: Aug 05 2022 at 01:22)
- congr (13 messages, latest: Aug 04 2022 at 23:12)
- Show existence of stucture (6 messages, latest: Aug 04 2022 at 22:27)
- substitution within Sigma (19 messages, latest: Aug 04 2022 at 15:34)
- permission to push to mathlib (17 messages, latest: Aug 04 2022 at 15:10)
- Definition of acc (accessible) (9 messages, latest: Aug 04 2022 at 14:01)
- Trouble with composition of maps for a functor over a preord (8 messages, latest: Aug 04 2022 at 06:25)
- prod.map vs limits.prod.map (13 messages, latest: Aug 04 2022 at 05:03)
- ✔ tactic for linear_ordered_add_comm_groups (4 messages, latest: Aug 03 2022 at 23:18)
- ✔ real.rpow_sub_one (1 message, latest: Aug 03 2022 at 19:34)
- tactic for linear_ordered_add_comm_groups (7 messages, latest: Aug 03 2022 at 17:03)
- real.rpow_sub_one (8 messages, latest: Aug 03 2022 at 16:45)
- ✔ sq_abs (1 message, latest: Aug 03 2022 at 16:08)
- Polynomial rewriting (3 messages, latest: Aug 03 2022 at 14:55)
- sq_abs (4 messages, latest: Aug 03 2022 at 11:19)
- ✔ coercions between real and nat (1 message, latest: Aug 03 2022 at 10:45)
- ✔ Interval integrals (1 message, latest: Aug 03 2022 at 10:43)
- A basic group equality (41 messages, latest: Aug 03 2022 at 09:05)
- Interval integrals (9 messages, latest: Aug 02 2022 at 16:38)
- ✔ Type mismatch/failed to synthesize (3 messages, latest: Aug 02 2022 at 16:22)
- ✔ Introduction and review request (1 message, latest: Aug 02 2022 at 16:16)
- list.rec_on foo different from foo.rec_on? (5 messages, latest: Aug 02 2022 at 16:06)
- Type mismatch/failed to synthesize (1 message, latest: Aug 02 2022 at 15:59)
- Introduction and review request (10 messages, latest: Aug 02 2022 at 14:41)
- decidability struggles (28 messages, latest: Aug 01 2022 at 16:15)
- modifying exists prop (19 messages, latest: Aug 01 2022 at 14:56)
- Konigsberg Bridges Problem (11 messages, latest: Aug 01 2022 at 07:45)
- Universal quantifier over set (19 messages, latest: Jul 31 2022 at 23:10)
- ✔ forall commutes with or (1 message, latest: Jul 31 2022 at 20:37)
- How to fix the error that "unknown package 'data'" exactly? (2 messages, latest: Jul 31 2022 at 10:23)
- Extended inner product space doesn't invoke normed group (5 messages, latest: Jul 29 2022 at 19:00)
- forall commutes with or (2 messages, latest: Jul 29 2022 at 14:53)
- ✔ Greetings & Questions (2 messages, latest: Jul 29 2022 at 11:49)
- How to find
nat
theorms in mathlib? (14 messages, latest: Jul 29 2022 at 11:24) - Explicit vector unfolding (47 messages, latest: Jul 29 2022 at 09:45)
- Greetings & Questions (2 messages, latest: Jul 29 2022 at 03:39)
- ✔ Prop := Sort 0 Motivation (6 messages, latest: Jul 29 2022 at 00:42)
- ✔ turn "exists and is unique" into a function (13 messages, latest: Jul 28 2022 at 21:50)
- A first proof (13 messages, latest: Jul 28 2022 at 20:26)
- coercions between real and nat (5 messages, latest: Jul 28 2022 at 17:40)
- ✔ use lemma in definition of class (3 messages, latest: Jul 28 2022 at 15:56)
- ✔ One line proof? (1 message, latest: Jul 28 2022 at 14:27)
- ✔ Watchdog error? (3 messages, latest: Jul 28 2022 at 12:35)
- ✔ extends coercion (1 message, latest: Jul 28 2022 at 08:53)
- use lemma in definition of class (7 messages, latest: Jul 28 2022 at 08:18)
- extends coercion (15 messages, latest: Jul 28 2022 at 07:39)
- ✔ isomorphism vs equality in concrete category (2 messages, latest: Jul 28 2022 at 04:00)
- One line proof? (8 messages, latest: Jul 27 2022 at 15:33)
- ✔ How to specify natural vs integer literals? (3 messages, latest: Jul 27 2022 at 14:32)
- problem (2 messages, latest: Jul 27 2022 at 10:08)
- isomorphism vs equality in concrete category (2 messages, latest: Jul 27 2022 at 02:16)
- using multiplication halfway through constructing a monoid (12 messages, latest: Jul 27 2022 at 01:22)
- Carl Kadie (4 messages, latest: Jul 27 2022 at 01:21)
- Simplifying real/complex expressions (22 messages, latest: Jul 26 2022 at 19:57)
- ✔ Dealing with finite set of units of a ring (6 messages, latest: Jul 26 2022 at 11:34)
- Dealing with finite set of units of a ring (4 messages, latest: Jul 26 2022 at 11:04)
- turn "exists and is unique" into a function (26 messages, latest: Jul 26 2022 at 08:45)
- Does refl implicitly call other tactics? (6 messages, latest: Jul 26 2022 at 07:57)
- ✔ Subgoal for each argument of a function (1 message, latest: Jul 26 2022 at 04:11)
- Subgoal for each argument of a function (2 messages, latest: Jul 26 2022 at 03:58)
- linear independent with a non-hardcoded list of vectors (10 messages, latest: Jul 25 2022 at 20:17)
- between N and Z (6 messages, latest: Jul 25 2022 at 03:57)
- simplifying matrix math (24 messages, latest: Jul 25 2022 at 00:16)
- Tensor product of bounded operators (8 messages, latest: Jul 24 2022 at 17:34)
- Creating a Lean project in a repo (27 messages, latest: Jul 24 2022 at 14:30)
- Plain text for lambda (5 messages, latest: Jul 23 2022 at 22:21)
- ✔ Inferring the behavior of an unknown type's recursor (5 messages, latest: Jul 23 2022 at 18:31)
- Help with geom_sum ite lemma (24 messages, latest: Jul 23 2022 at 07:50)
- Inferring the behavior of an unknown type's recursor (4 messages, latest: Jul 23 2022 at 03:10)
- Is pSet equivalent to W_type id? (15 messages, latest: Jul 23 2022 at 01:58)
- bounding the number (cardinality) of large terms in a sum (9 messages, latest: Jul 22 2022 at 21:00)
- ✔ refl fails to prove case of equation compiler (8 messages, latest: Jul 22 2022 at 20:35)
- Word metric on group – a new attempt (102 messages, latest: Jul 22 2022 at 15:11)
- ✔ Pushing universal quantifier through and (4 messages, latest: Jul 22 2022 at 13:58)
- Pushing universal quantifier through and (4 messages, latest: Jul 22 2022 at 12:29)
- Introducing myself: Malvin Gattinger / Modal Logic Tableaux (2 messages, latest: Jul 22 2022 at 08:45)
- ✔ simple propositional logic exercises (2 messages, latest: Jul 21 2022 at 21:00)
- simple propositional logic exercises (2 messages, latest: Jul 21 2022 at 20:00)
- Using the fact that a functor preserves limits (7 messages, latest: Jul 21 2022 at 18:40)
- Basic Parameters troubles (9 messages, latest: Jul 21 2022 at 11:41)
- ✔ Git:
object is empty
(4 messages, latest: Jul 21 2022 at 06:56) - Git:
object is empty
(3 messages, latest: Jul 21 2022 at 04:15) - ✔ Proving judgements with == (21 messages, latest: Jul 21 2022 at 02:18)
- ✔ confused about types and Type (2 messages, latest: Jul 21 2022 at 01:42)
- confused about types and Type (18 messages, latest: Jul 20 2022 at 22:32)
- Underscore _x vs. x (16 messages, latest: Jul 20 2022 at 20:42)
- Trying to infer instance with argument (19 messages, latest: Jul 20 2022 at 20:04)
- Type specialization (4 messages, latest: Jul 20 2022 at 15:50)
- global definition (1 message, latest: Jul 20 2022 at 14:43)
- svarc-milnor (7 messages, latest: Jul 20 2022 at 10:44)
- ✔ Universe confusion (1 message, latest: Jul 20 2022 at 05:00)
- Install mathlib with nix (2 messages, latest: Jul 20 2022 at 04:49)
- Universe confusion (10 messages, latest: Jul 20 2022 at 02:43)
- Attitude toward simp (15 messages, latest: Jul 20 2022 at 02:24)
- How to show a set is an σ-algebra (40 messages, latest: Jul 20 2022 at 00:41)
- reverse orders in finset filter (5 messages, latest: Jul 19 2022 at 23:13)
- Help with lemma (1 message, latest: Jul 19 2022 at 19:36)
- Irrelevant asymmetry in definitions (18 messages, latest: Jul 19 2022 at 16:33)
- ✔ fintype enumerating a multiset (9 messages, latest: Jul 19 2022 at 13:42)
- Discord (26 messages, latest: Jul 19 2022 at 12:24)
- Working with basis and linear transforms (95 messages, latest: Jul 19 2022 at 09:57)
- ✔ Puzzled by MonadState and Pure (5 messages, latest: Jul 18 2022 at 18:13)
- Puzzled by MonadState and Pure (11 messages, latest: Jul 18 2022 at 03:31)
- mathlib merge master (12 messages, latest: Jul 17 2022 at 14:37)
- ✔ Lean proof latex generator (4 messages, latest: Jul 16 2022 at 22:01)
- ✔ rewriting l > 0 <=> l / 2 > 0 (15 messages, latest: Jul 16 2022 at 15:40)
- ✔ has_to_pexpr (parse ident) error trying to write a tactic (11 messages, latest: Jul 16 2022 at 11:03)
- Why is this running forever? (3 messages, latest: Jul 16 2022 at 08:14)
- ✔ proof using structure (3 messages, latest: Jul 15 2022 at 22:03)
- has_to_pexpr (parse ident) error trying to write a tactic (14 messages, latest: Jul 15 2022 at 21:11)
- typeclasses and colons (9 messages, latest: Jul 15 2022 at 19:47)
- meaning of
section end
(13 messages, latest: Jul 15 2022 at 19:32) - trouble running lean program (9 messages, latest: Jul 15 2022 at 11:38)
- ✔ Increasing function which is linear or rationals is linear (5 messages, latest: Jul 15 2022 at 02:26)
- Invalid field notation (13 messages, latest: Jul 14 2022 at 20:14)
- Sublist contradiction, can't use induction (11 messages, latest: Jul 14 2022 at 17:05)
- has_bind.bind (34 messages, latest: Jul 14 2022 at 11:02)
- ✔ Permission to push branch (12 messages, latest: Jul 14 2022 at 10:39)
- Creating the natural numbers (27 messages, latest: Jul 13 2022 at 13:53)
- understanding "Unity and Cohesion" in mathlib (5 messages, latest: Jul 13 2022 at 12:21)
- lean mathlib no longer working after mathlib update (3 messages, latest: Jul 13 2022 at 10:47)
- Increasing function which is linear or rationals is linear (22 messages, latest: Jul 13 2022 at 10:16)
- Lean server not working (3 messages, latest: Jul 12 2022 at 21:24)
- Having trouble taking a derivative (9 messages, latest: Jul 12 2022 at 13:22)
- HoTT/Univalent foundations? (1 message, latest: Jul 11 2022 at 20:08)
- arguing by symmetry (23 messages, latest: Jul 11 2022 at 10:23)
- Antiderivative of ODE (8 messages, latest: Jul 10 2022 at 23:28)
- rewriting fin .val to nat (lean3) (14 messages, latest: Jul 09 2022 at 16:13)
- Introduction and proof by cases tool (2 messages, latest: Jul 09 2022 at 01:50)
- Typo in mathlib documentation (3 messages, latest: Jul 08 2022 at 21:40)
- ✔ can't get lean4-samples to work (2 messages, latest: Jul 08 2022 at 21:37)
- can't get lean4-samples to work (6 messages, latest: Jul 08 2022 at 20:32)
- optimizing proofs (5 messages, latest: Jul 08 2022 at 15:24)
- package configuration '.\lakefile.lean' has errors (1 message, latest: Jul 08 2022 at 12:05)
- Recursion proof (8 messages, latest: Jul 08 2022 at 00:21)
- no _target (7 messages, latest: Jul 07 2022 at 22:14)
- Basic Analysis hangup in Lean (17 messages, latest: Jul 07 2022 at 21:18)
- goal turns into something odd (8 messages, latest: Jul 07 2022 at 05:43)
- ✔ combining two sums into one (3 messages, latest: Jul 06 2022 at 16:36)
- ✔ Question about types (2 messages, latest: Jul 06 2022 at 16:29)
- Question about types (3 messages, latest: Jul 06 2022 at 16:09)
- ✔ Build project without warnings (9 messages, latest: Jul 06 2022 at 15:23)
- Build project without warnings (6 messages, latest: Jul 06 2022 at 13:37)
- import troubles? (2 messages, latest: Jul 06 2022 at 10:32)
- vector_space vs module (4 messages, latest: Jul 05 2022 at 22:17)
- combining two sums into one (5 messages, latest: Jul 05 2022 at 21:10)
- ✔ Reverse sum order (1 message, latest: Jul 05 2022 at 20:28)
- ✔ Restricted Congr (1 message, latest: Jul 05 2022 at 20:28)
- Reverse sum order (3 messages, latest: Jul 05 2022 at 20:13)
- Restricted Congr (4 messages, latest: Jul 05 2022 at 20:06)
- lake: command not found (8 messages, latest: Jul 05 2022 at 17:38)
- Matrix operations (29 messages, latest: Jul 05 2022 at 16:08)
- ✔ dealing with casts (22 messages, latest: Jul 05 2022 at 10:27)
- Positive real numbers (9 messages, latest: Jul 04 2022 at 15:02)
- non master branch access (3 messages, latest: Jul 04 2022 at 08:28)
- unfolding definitions made with let (5 messages, latest: Jul 03 2022 at 13:39)
- ✔ #check default error (1 message, latest: Jul 03 2022 at 02:16)
- #check default error (14 messages, latest: Jul 03 2022 at 00:45)
- which parameters to make implicit (18 messages, latest: Jul 02 2022 at 23:02)
- showing parentheses (11 messages, latest: Jul 02 2022 at 21:17)
- Updating a mathlib branch (7 messages, latest: Jul 01 2022 at 22:45)
- How to evaluate ite? (38 messages, latest: Jul 01 2022 at 16:46)
- extensionality for functors (65 messages, latest: Jul 01 2022 at 16:22)
- "Nat", Floating point numbers, and abbrev (5 messages, latest: Jul 01 2022 at 16:20)
- ✔ convert list to vector (6 messages, latest: Jun 30 2022 at 17:14)
- linear-algebra-done-right (10 messages, latest: Jun 30 2022 at 16:29)
- Combinatorics (10 messages, latest: Jun 30 2022 at 15:16)
- ✔ rewriting n-1+1=n (1 message, latest: Jun 30 2022 at 15:13)
- rewriting n-1+1=n (23 messages, latest: Jun 30 2022 at 08:47)
- convert list to vector (6 messages, latest: Jun 30 2022 at 03:13)
- Wikipedia (5 messages, latest: Jun 29 2022 at 13:05)
- Tobias Schmude (15 messages, latest: Jun 29 2022 at 07:14)
- How to prove trivial truth table thing (5 messages, latest: Jun 28 2022 at 18:53)
- ✔ VSCode / VIM C-w closes infoview (2 messages, latest: Jun 28 2022 at 14:06)
- Alex Ghorbani (3 messages, latest: Jun 28 2022 at 13:49)
- Alex Rogovskyy (3 messages, latest: Jun 28 2022 at 13:15)
- lub property (23 messages, latest: Jun 27 2022 at 21:12)
- elikoga (2 messages, latest: Jun 27 2022 at 14:10)
- timotree (1 message, latest: Jun 27 2022 at 00:38)
- ✔ fin zip function (2 messages, latest: Jun 26 2022 at 23:10)
- fin zip function (7 messages, latest: Jun 26 2022 at 19:33)
- Is there a standard name/notation for … (5 messages, latest: Jun 26 2022 at 16:49)
- Natural Numbers Game: Proof works in game, not in lean (16 messages, latest: Jun 26 2022 at 00:16)
- ✔ showing that proofs are finite (1 message, latest: Jun 25 2022 at 20:53)
- showing that proofs are finite (10 messages, latest: Jun 25 2022 at 16:36)
- bors and pr_status (12 messages, latest: Jun 25 2022 at 13:35)
- ✔ Mathematics in Lean section 2.5 (4 messages, latest: Jun 25 2022 at 10:48)
- Mathematics in Lean section 2.5 (1 message, latest: Jun 25 2022 at 10:08)
- undefine or hide core library? (9 messages, latest: Jun 24 2022 at 14:57)
- Pattern matching and some constructors simply does not works (14 messages, latest: Jun 24 2022 at 12:34)
- Lean game maker on Windows (31 messages, latest: Jun 24 2022 at 08:07)
- ✔ simple rw issue (1 message, latest: Jun 24 2022 at 00:46)
- ✔ Automatically search for proofs (1 message, latest: Jun 23 2022 at 21:09)
- Flipping hypothesis around equals sign (3 messages, latest: Jun 23 2022 at 19:08)
- Automatically search for proofs (8 messages, latest: Jun 23 2022 at 18:12)
- Define homomorphisms into a special group (11 messages, latest: Jun 23 2022 at 13:02)
- Lean4 on VS Code and Remote-Containers (2 messages, latest: Jun 23 2022 at 10:47)
- fintype enumerating a multiset (34 messages, latest: Jun 23 2022 at 10:10)
- Nick Kuhn (10 messages, latest: Jun 23 2022 at 05:52)
- Jump to definition in Vim (15 messages, latest: Jun 22 2022 at 22:40)
- VSCode / VIM C-w closes infoview (2 messages, latest: Jun 22 2022 at 17:34)
- lean-game-maker (18 messages, latest: Jun 22 2022 at 17:29)
- Extract a type from an explicit instance argument (3 messages, latest: Jun 22 2022 at 17:02)
- ✔
set.nonempty_insert
vsset.insert_nonempty
(1 message, latest: Jun 22 2022 at 15:02) set.nonempty_insert
vsset.insert_nonempty
(4 messages, latest: Jun 22 2022 at 01:11)- Tetration? (36 messages, latest: Jun 21 2022 at 01:38)
- ✔ map filter_map join (4 messages, latest: Jun 20 2022 at 18:00)
- ✔ 6:14 PM Placeholder context error in class extends (4 messages, latest: Jun 20 2022 at 09:36)
- 6:14 PM Placeholder context error in class extends (17 messages, latest: Jun 20 2022 at 08:51)
- map filter_map join (9 messages, latest: Jun 19 2022 at 19:40)
- ✔ vscode lean installation issue (2 messages, latest: Jun 19 2022 at 17:25)
- vscode lean installation issue (1 message, latest: Jun 19 2022 at 17:07)
- ✔ max + 1 not in finset (2 messages, latest: Jun 19 2022 at 15:53)
- simple rw issue (4 messages, latest: Jun 19 2022 at 13:00)
- ✔ Extremely basic refinement types in Lean 4 (1 message, latest: Jun 19 2022 at 12:51)
- Stuck on Natural Numbers Game: mul_pos (15 messages, latest: Jun 19 2022 at 11:51)
- Extremely basic refinement types in Lean 4 (2 messages, latest: Jun 19 2022 at 10:15)
- max + 1 not in finset (9 messages, latest: Jun 19 2022 at 07:09)
- instance inheritance (11 messages, latest: Jun 18 2022 at 15:38)
- Help with lean.nvim (13 messages, latest: Jun 17 2022 at 20:31)
- Complicated induction (34 messages, latest: Jun 17 2022 at 12:49)
- ✔ proofs re: pSet.type (5 messages, latest: Jun 15 2022 at 23:54)
- Introductions, and a new tactic! (3 messages, latest: Jun 15 2022 at 18:39)
- ✔ Whats the difference between root.Nat and Nat? (1 message, latest: Jun 15 2022 at 14:47)
- Whats the difference between root.Nat and Nat? (2 messages, latest: Jun 15 2022 at 12:42)
- ✔ lean4 induction with multiple base cases (2 messages, latest: Jun 14 2022 at 21:32)
- lean4 induction with multiple base cases (7 messages, latest: Jun 14 2022 at 20:36)
- ✔ Question about build Lean 4 (1 message, latest: Jun 14 2022 at 20:15)
- Question about build Lean 4 (1 message, latest: Jun 14 2022 at 18:59)
- ✔ Help trying to prove that something is inside a Map. (4 messages, latest: Jun 13 2022 at 12:39)
- Help trying to prove that something is inside a Map. (1 message, latest: Jun 12 2022 at 21:46)
- Help with debugging (17 messages, latest: Jun 12 2022 at 21:05)
- modneq notation pull request (20 messages, latest: Jun 12 2022 at 13:32)
- ✔ Why my macro does not work? (3 messages, latest: Jun 11 2022 at 14:58)
- Permission to push branch (1 message, latest: Jun 11 2022 at 14:50)
- Mul_pos and coercions (9 messages, latest: Jun 09 2022 at 02:14)
- ✔ Help with rw (2 messages, latest: Jun 08 2022 at 21:35)
- Ideas for a reading course on learning Lean (10 messages, latest: Jun 08 2022 at 20:19)
- ✔ coerce to ℝ / typeclass resolution failed (3 messages, latest: Jun 08 2022 at 12:50)
- linear_combination (3 messages, latest: Jun 08 2022 at 03:30)
- ✔ Defining intermediate values (4 messages, latest: Jun 07 2022 at 07:56)
- ✔ Element in set is too restricted (6 messages, latest: Jun 06 2022 at 18:45)
- ✔ Expected Term Error (4 messages, latest: Jun 05 2022 at 22:29)
- ✔ continuous multilinear maps (10 messages, latest: Jun 05 2022 at 15:19)
- Help with rw (15 messages, latest: Jun 04 2022 at 16:06)
- Does the following require classical reasoning? (11 messages, latest: Jun 04 2022 at 08:05)
- ✔ definition of real.lt (3 messages, latest: Jun 04 2022 at 00:26)
- ✔ module ℝ ℂ (10 messages, latest: Jun 03 2022 at 20:01)
- What's the name of this mathematical structure (8 messages, latest: Jun 03 2022 at 19:32)
- ✔ VSCode monospaced font (9 messages, latest: Jun 03 2022 at 13:01)
- definition of real.lt (3 messages, latest: Jun 03 2022 at 09:46)
- VSCode monospaced font (4 messages, latest: Jun 03 2022 at 09:10)
- Real number game (3 messages, latest: Jun 02 2022 at 21:49)
- ✔ Polynomial GCD (2 messages, latest: Jun 02 2022 at 21:23)
- Polynomial GCD (5 messages, latest: Jun 02 2022 at 20:50)
- lean assertion violation, cpp error (18 messages, latest: Jun 02 2022 at 19:58)
- help dealing with quantifiers in example (49 messages, latest: Jun 02 2022 at 18:36)
- Lean won't stop loading (13 messages, latest: Jun 02 2022 at 17:57)
- Does the Barber Paradox require classical reasoning? (8 messages, latest: Jun 02 2022 at 17:35)
- continuous multilinear maps (2 messages, latest: Jun 02 2022 at 16:17)
- rewrite only one occurrence (5 messages, latest: Jun 02 2022 at 08:19)
- ✔ synthesized type class instance is not definitionally e… (7 messages, latest: Jun 01 2022 at 21:03)
- ✔ coeff_add (7 messages, latest: Jun 01 2022 at 19:30)
- coeff_add (7 messages, latest: Jun 01 2022 at 19:10)
- Debugging within a do block (21 messages, latest: Jun 01 2022 at 18:45)
- Tips for VS Code (12 messages, latest: Jun 01 2022 at 18:09)
- synthesized type class instance is not definitionally equal (8 messages, latest: Jun 01 2022 at 16:20)
- ✔ VSCode "Change All Occurences" (14 messages, latest: Jun 01 2022 at 13:32)
- VSCode "Change All Occurences" (1 message, latest: Jun 01 2022 at 08:59)
- ✔ Naming new hypothesis with split tactic (lean 4) (4 messages, latest: May 31 2022 at 23:52)
- ✔ Arithmetic in ℂ (1 message, latest: May 31 2022 at 23:43)
- Arithmetic in ℂ (17 messages, latest: May 31 2022 at 23:02)
- matrix.vec_cons and fin.cons (5 messages, latest: May 31 2022 at 16:53)
- Sets (49 messages, latest: May 31 2022 at 15:03)
- set bug? (7 messages, latest: May 31 2022 at 14:11)
- Expected Term Error (4 messages, latest: May 31 2022 at 14:09)
- ✔ Yatima frontend yields no stdout (3 messages, latest: May 30 2022 at 16:44)
- Yatima frontend yields no stdout (2 messages, latest: May 30 2022 at 16:15)
- ✔
not_linear_independent
(1 message, latest: May 30 2022 at 16:06) not_linear_independent
(12 messages, latest: May 30 2022 at 00:07)- formalizing linear algebra done right (11 messages, latest: May 29 2022 at 23:17)
- ✔ stage0 (3 messages, latest: May 29 2022 at 21:25)
- stage0 (1 message, latest: May 29 2022 at 21:04)
- ✔ linear-algebra-bounded-op (6 messages, latest: May 28 2022 at 19:03)
- linear-algebra-bounded-op (23 messages, latest: May 28 2022 at 18:13)
- Array indexing strangeness (8 messages, latest: May 28 2022 at 06:40)
- Terms vs expressions (28 messages, latest: May 28 2022 at 03:49)
- single universe in ring_theory.polynomial.vieta (4 messages, latest: May 27 2022 at 12:17)
- ✔ structure vs class (8 messages, latest: May 27 2022 at 05:54)
- ✔ intermediate_field.lifts (2 messages, latest: May 26 2022 at 16:04)
- VSCode "Go to definition" on M1 Mac (11 messages, latest: May 26 2022 at 15:46)
- intermediate_field.lifts (2 messages, latest: May 26 2022 at 15:06)
- What areas of matlib need contributions? (35 messages, latest: May 26 2022 at 14:16)
- Cannot synthesize placeholder (5 messages, latest: May 25 2022 at 23:08)
- by_contradiction does not require noncomputable (8 messages, latest: May 25 2022 at 19:30)
- ✔ Squeeze_simp (6 messages, latest: May 25 2022 at 14:50)
- ✔ Rewriting function definition (2 messages, latest: May 25 2022 at 11:28)
- ✔ Theorem depending on lemma using
include
(2 messages, latest: May 25 2022 at 11:16) - ✔ Canonical project folder structure (4 messages, latest: May 25 2022 at 10:14)
- Simple geom: perpendicular drop & cosine adjacent hypotenuse (2 messages, latest: May 24 2022 at 23:27)
- Canonical project folder structure (4 messages, latest: May 24 2022 at 15:08)
- Rewriting function definition (13 messages, latest: May 24 2022 at 12:36)
- Theorem depending on lemma using
include
(5 messages, latest: May 24 2022 at 11:59) - ✔ Uniqueness of (global) minimum (2 messages, latest: May 24 2022 at 10:58)
- defining notation (9 messages, latest: May 24 2022 at 04:19)
- ✔ Easier work with triples (18 messages, latest: May 23 2022 at 20:04)
- Easier work with triples (1 message, latest: May 23 2022 at 18:44)
- pattern matching in macros (4 messages, latest: May 23 2022 at 10:55)
- show 2 functions are equal (3 messages, latest: May 22 2022 at 14:34)
- Open Documentation View (2 messages, latest: May 20 2022 at 09:12)
- ✔ Returning a type with a given type class (11 messages, latest: May 20 2022 at 05:46)
- Help constructing a natural transformation (9 messages, latest: May 20 2022 at 03:14)
- ✔ category of sets (1 message, latest: May 20 2022 at 00:00)
- ✔ Named type params (
inductive
) (1 message, latest: May 19 2022 at 11:20) - Named type params (
inductive
) (7 messages, latest: May 19 2022 at 10:36) - Web Editor math (1 message, latest: May 19 2022 at 09:21)
- contrapositive (8 messages, latest: May 19 2022 at 09:20)
- Excessive memory consumption (22 messages, latest: May 18 2022 at 22:05)
- ✔ Failed to synthesize type class instance (10 messages, latest: May 18 2022 at 14:45)
- Failed to synthesize type class instance (64 messages, latest: May 18 2022 at 10:11)
- Odd simp? behavior (3 messages, latest: May 18 2022 at 05:20)
- ✔ Dealing with extraneous proof after let tactic (5 messages, latest: May 17 2022 at 16:46)
- ✔ Topology instances matrix (contribution to mathlib) (5 messages, latest: May 17 2022 at 16:45)
- Excluding lemmas from library_search (31 messages, latest: May 17 2022 at 16:05)
- Topology instances matrix (contribution to mathlib) (5 messages, latest: May 17 2022 at 15:18)
- TPIL Chapter 3 Exercises (44 messages, latest: May 17 2022 at 14:17)
- Uniqueness of (global) minimum (48 messages, latest: May 17 2022 at 13:36)
- ✔ How to write in Lean (6 messages, latest: May 17 2022 at 08:39)
- simple power lemma (3 messages, latest: May 16 2022 at 21:12)
- ✔ simple power lemma (4 messages, latest: May 16 2022 at 20:24)
- ✔ Not not picking up module structure on bounded linear ops (20 messages, latest: May 16 2022 at 17:00)
- How to write in Lean (7 messages, latest: May 16 2022 at 15:54)
- Holomorphic functions are analytic (6 messages, latest: May 16 2022 at 15:46)
- tactics as proof term misunderstanding (7 messages, latest: May 16 2022 at 13:10)
- Not not picking up module structure on bounded linear ops (7 messages, latest: May 16 2022 at 10:46)
- MohanadAhmed (6 messages, latest: May 14 2022 at 15:38)
- failed to instantiate goal (36 messages, latest: May 14 2022 at 09:03)
- ✔ Working with functions between subtypes (15 messages, latest: May 14 2022 at 08:47)
- induction over fold (7 messages, latest: May 13 2022 at 18:30)
- ✔ rewrite tactic failed, lemma lhs is a metavariable (8 messages, latest: May 13 2022 at 11:33)
- category of sets (31 messages, latest: May 13 2022 at 00:28)
- ✔ Reducing iff statements (2 messages, latest: May 12 2022 at 23:14)
- structure vs class (26 messages, latest: May 12 2022 at 22:09)
- Reducing iff statements (5 messages, latest: May 12 2022 at 20:57)
- ✔ Working with tsum (7 messages, latest: May 12 2022 at 20:14)
- Working with tsum (1 message, latest: May 12 2022 at 19:09)
- Defining a function: size of lower contour. (10 messages, latest: May 12 2022 at 19:05)
- ✔ Pattern Matching on Types (1 message, latest: May 12 2022 at 16:24)
- ✔ github permissions (4 messages, latest: May 12 2022 at 08:29)
- Pattern Matching on Types (11 messages, latest: May 11 2022 at 19:02)
- ✔ Eliminating forall in hypothesis and applying. (6 messages, latest: May 11 2022 at 18:43)
- Eliminating forall in hypothesis and applying. (11 messages, latest: May 11 2022 at 17:54)
- ✔ finset.abs_sum_le_sum_abs (7 messages, latest: May 11 2022 at 13:14)
- Debugging failed "Build mathlib" check (5 messages, latest: May 11 2022 at 11:03)
- ✔ How to use sort (4 messages, latest: May 10 2022 at 20:06)
- How to use sort (8 messages, latest: May 10 2022 at 19:11)
- Lean running very slowly (5 messages, latest: May 10 2022 at 16:55)
- ✔ Help with simple theorem in set theory (10 messages, latest: May 10 2022 at 15:54)
- Strange error in "Lint mathlib" check (10 messages, latest: May 10 2022 at 14:38)
- ✔ Dealing with negation of a disjunction and conjunctions? (2 messages, latest: May 10 2022 at 01:38)
- Dealing with negation of a disjunction and conjunctions? (3 messages, latest: May 09 2022 at 22:11)
- Show two structs are equal when all fields are equal (5 messages, latest: May 09 2022 at 20:37)
- Lifting instances from other types (7 messages, latest: May 09 2022 at 20:31)
- ✔ Adding vectors of reals (1 message, latest: May 09 2022 at 10:16)
- Adding vectors of reals (6 messages, latest: May 09 2022 at 08:20)
- ✔ Type checking failing on axiom (5 messages, latest: May 08 2022 at 07:15)
- Getting involved with mathlib (45 messages, latest: May 08 2022 at 00:36)
- Element in set is too restricted (5 messages, latest: May 07 2022 at 22:00)
- ✔ Applying a local theorem. (13 messages, latest: May 07 2022 at 20:09)
- Applying tactics to some but not all goals (12 messages, latest: May 06 2022 at 22:16)
- ✔ Showing a strict relation is incomplete. (4 messages, latest: May 06 2022 at 17:38)
- ✔ The Natural Numbers Game, lean syntax question (2 messages, latest: May 06 2022 at 17:22)
- Showing a strict relation is incomplete. (51 messages, latest: May 06 2022 at 17:17)
- The Natural Numbers Game, lean syntax question (5 messages, latest: May 06 2022 at 16:37)
- Verifying correctness of lean itself (10 messages, latest: May 06 2022 at 12:03)
- ✔ Alias for sorry (1 message, latest: May 05 2022 at 17:32)
- Alias for sorry (4 messages, latest: May 05 2022 at 14:58)
- ✔ proving cantor_injective (16 messages, latest: May 05 2022 at 12:47)
- how to define as unique thing having some property (1 message, latest: May 04 2022 at 21:47)
- proving cantor_injective (119 messages, latest: May 04 2022 at 20:04)
- "Fitch" style proofs to Lean proofs (21 messages, latest: May 04 2022 at 13:53)
- sSet as a category (17 messages, latest: May 04 2022 at 13:25)
- Annihilator of modules over noncommutative ring (4 messages, latest: May 04 2022 at 11:26)
- Deterministic Timeout on simple Recursion (6 messages, latest: May 04 2022 at 09:35)
- Linear algebra problem (67 messages, latest: May 03 2022 at 21:12)
- ✔ lean4 except error (3 messages, latest: May 03 2022 at 17:13)
- ✔ how to prove this? (3 messages, latest: May 03 2022 at 13:51)
- ✔ Summing entries of matrix (2 messages, latest: May 03 2022 at 08:17)
- Summing entries of matrix (3 messages, latest: May 03 2022 at 07:46)
- Simple proof takes 4 seconds (13 messages, latest: May 02 2022 at 15:22)
- mul_action : bihomomorphisms / scalar tower (20 messages, latest: May 02 2022 at 13:48)
- TPIL Chapter 7 (98 messages, latest: May 02 2022 at 10:48)
- How to use calc (2 messages, latest: May 02 2022 at 04:24)
- Haruhisa Enomoto (42 messages, latest: May 01 2022 at 13:54)
- ✔ Instances list in the docs (4 messages, latest: May 01 2022 at 10:53)
- ✔ error in proof (7 messages, latest: May 01 2022 at 02:01)
- ✔ set questions (1 message, latest: Apr 30 2022 at 22:56)
- eq_and? (24 messages, latest: Apr 30 2022 at 19:51)
- Mathlib proofs? (15 messages, latest: Apr 30 2022 at 18:01)
- set questions (190 messages, latest: Apr 30 2022 at 17:47)
- Getting trace of the definitions defined on inductive types (1 message, latest: Apr 30 2022 at 14:54)
- I'm just using lean lol (2 messages, latest: Apr 29 2022 at 13:39)
- ✔ errors in infinitude of primes (16 messages, latest: Apr 29 2022 at 04:46)
- ✔ Terms that appear to be identical (9 messages, latest: Apr 28 2022 at 11:48)
- dependent pattern matching issue (10 messages, latest: Apr 27 2022 at 16:09)
- Confused by "simp_nf linter" error (3 messages, latest: Apr 27 2022 at 16:03)
- Generalization of map_diff (24 messages, latest: Apr 27 2022 at 15:15)
- Merging branch of my PR (5 messages, latest: Apr 27 2022 at 14:00)
- changing goal to exists (5 messages, latest: Apr 27 2022 at 02:25)
- ✔ standard way to show real.cos(π / 7) + 1 ≠ 0 (10 messages, latest: Apr 26 2022 at 15:53)
- Struggling to run Lean 3 and Lean 4 side by side in vscode (19 messages, latest: Apr 26 2022 at 15:41)
- ✔ Instances (5 messages, latest: Apr 26 2022 at 13:25)
- Managing finite sums (4 messages, latest: Apr 26 2022 at 12:20)
- ✔ exact tactic (10 messages, latest: Apr 25 2022 at 17:29)
- exact tactic (6 messages, latest: Apr 25 2022 at 15:48)
- Farkas' lemma (2 messages, latest: Apr 25 2022 at 12:50)
- standard way to show real.cos(π / 7) + 1 ≠ 0 (3 messages, latest: Apr 25 2022 at 11:08)
- list (list bool) –> list bool (35 messages, latest: Apr 25 2022 at 09:26)
- Help Formating a Proof in Lean (51 messages, latest: Apr 25 2022 at 03:40)
- char_p question (18 messages, latest: Apr 24 2022 at 19:27)
- reference manual (35 messages, latest: Apr 24 2022 at 17:24)
- ✔ failed to start child process? (2 messages, latest: Apr 24 2022 at 17:10)
- failed to start child process? (14 messages, latest: Apr 24 2022 at 15:55)
- nnreal (90 messages, latest: Apr 24 2022 at 14:43)
- ✔ preferred proof (1 message, latest: Apr 24 2022 at 14:08)
- preferred proof (9 messages, latest: Apr 24 2022 at 12:15)
- ✔ proof structure equality (6 messages, latest: Apr 24 2022 at 04:13)
- ✔ How to prove something that cannot be created? (1 message, latest: Apr 24 2022 at 03:32)
- How to prove something that cannot be created? (4 messages, latest: Apr 24 2022 at 01:18)
- ✔ getting rid of lambda in the infoview (9 messages, latest: Apr 23 2022 at 17:23)
- fst and snd for zfc (12 messages, latest: Apr 23 2022 at 15:57)
- ✔ Cant use contradiction (10 messages, latest: Apr 23 2022 at 14:37)
- the right way to learn tactics (2 messages, latest: Apr 23 2022 at 14:22)
- ✔ Partial functions using
option
(3 messages, latest: Apr 23 2022 at 09:13) - refactoring proofs (36 messages, latest: Apr 22 2022 at 21:19)
- Derivative rules (8 messages, latest: Apr 22 2022 at 18:11)
- ✔ instance setoid (for using the ≈ notation) (9 messages, latest: Apr 22 2022 at 17:43)
- getting rid of lambda in the infoview (16 messages, latest: Apr 22 2022 at 17:21)
- ✔ lean4 calc expansion with simp => ring + mathlib4 de… (3 messages, latest: Apr 22 2022 at 14:54)
- noncomputable (89 messages, latest: Apr 22 2022 at 11:37)
variable X: Set.pair
doesn't compile (2 messages, latest: Apr 22 2022 at 01:55)- natural number game solution (12 messages, latest: Apr 21 2022 at 23:33)
- Simple termination proofs (10 messages, latest: Apr 21 2022 at 17:19)
- add_group to group and back (5 messages, latest: Apr 21 2022 at 06:16)
- ✔ algebra maps takes 1 to 1 (1 message, latest: Apr 21 2022 at 00:40)
- algebra maps takes 1 to 1 (4 messages, latest: Apr 20 2022 at 19:59)
- ✔
calc
block (1 message, latest: Apr 20 2022 at 19:58) - ✔ Proof not simplifying (12 messages, latest: Apr 20 2022 at 19:52)
- using
aeval_C
(1 message, latest: Apr 20 2022 at 19:00) calc
block (27 messages, latest: Apr 20 2022 at 18:20)- fderiv (3 messages, latest: Apr 20 2022 at 04:19)
- Proof fails when instances are specified (9 messages, latest: Apr 19 2022 at 23:01)
- order_laws_tac error with partial_order (6 messages, latest: Apr 19 2022 at 23:00)
- Constructing a complete_lattice instance (3 messages, latest: Apr 19 2022 at 19:22)
- ✔ Span from matrix columns (1 message, latest: Apr 19 2022 at 18:35)
- ✔ Concatenate matrices (3 messages, latest: Apr 19 2022 at 18:35)
- ✔ existential not working (12 messages, latest: Apr 19 2022 at 18:05)
- Concatenate matrices (5 messages, latest: Apr 19 2022 at 16:26)
- chained inequalities ? (75 messages, latest: Apr 19 2022 at 16:25)
- recursion in match expressions (4 messages, latest: Apr 19 2022 at 11:40)
- ratfunc composition (22 messages, latest: Apr 19 2022 at 07:00)
- ✔ variables from hypothesis in statement to prove (4 messages, latest: Apr 19 2022 at 00:09)
- ✔ Permission Request (5 messages, latest: Apr 18 2022 at 20:05)
- Inverse of Quot.sound (13 messages, latest: Apr 18 2022 at 19:39)
- ✔ working with long arithmetic equations (1 message, latest: Apr 18 2022 at 15:32)
- working with long arithmetic equations (25 messages, latest: Apr 18 2022 at 14:55)
- finset union (8 messages, latest: Apr 17 2022 at 21:00)
- Proving two functions are equivalent (9 messages, latest: Apr 17 2022 at 18:41)
- linter error (9 messages, latest: Apr 17 2022 at 18:24)
- ✔ Quotient computation principle for binary functions (18 messages, latest: Apr 17 2022 at 13:37)
- ✔ How to prove basic lemma involving quotients (1 message, latest: Apr 17 2022 at 12:59)
- How to prove basic lemma involving quotients (8 messages, latest: Apr 17 2022 at 12:07)
- "let x = y = 0" in lean (10 messages, latest: Apr 16 2022 at 19:08)
- get the two maps from an isomorphism (59 messages, latest: Apr 16 2022 at 16:47)
- Asking for write access (10 messages, latest: Apr 16 2022 at 15:35)
- replicating lint errors (9 messages, latest: Apr 16 2022 at 05:52)
- New conv tactic (44 messages, latest: Apr 15 2022 at 23:47)
- mathlib contributions (26 messages, latest: Apr 15 2022 at 19:49)
- ✔ How to force lean to evaluate expression? (7 messages, latest: Apr 15 2022 at 17:10)
- ✔ how to solve basic arithmetic equation (1 message, latest: Apr 15 2022 at 16:50)
- how to solve basic arithmetic equation (38 messages, latest: Apr 15 2022 at 16:02)
- monoid_hom coercion (32 messages, latest: Apr 15 2022 at 08:26)
- Induction generalization (7 messages, latest: Apr 14 2022 at 19:29)
- Symbolic (non-finite) square matrices (32 messages, latest: Apr 14 2022 at 16:24)
- lean4 newbie (26 messages, latest: Apr 14 2022 at 09:57)
- proof (19 messages, latest: Apr 14 2022 at 07:50)
- Symbolic square matrices (20 messages, latest: Apr 14 2022 at 06:25)
- Which version of Lean? (16 messages, latest: Apr 13 2022 at 20:58)
- working with sets (50 messages, latest: Apr 13 2022 at 16:04)
- Concise way of proving contradiction in linear inequalities (7 messages, latest: Apr 13 2022 at 11:54)
- ✔ Proving basic nat arithmetic equality (17 messages, latest: Apr 12 2022 at 21:35)
- Proving basic nat arithmetic equality (20 messages, latest: Apr 12 2022 at 20:13)
- ✔ diamond problem with edist on Lp space (3 messages, latest: Apr 12 2022 at 18:42)
- Guide to using setoid (76 messages, latest: Apr 12 2022 at 18:29)
- diamond problem with edist on Lp space (21 messages, latest: Apr 12 2022 at 12:25)
- Creating a subst-able definition (2 messages, latest: Apr 12 2022 at 02:45)
- ✔ Recursion using match..with (6 messages, latest: Apr 11 2022 at 15:06)
- ✔ Two non-equal lists must differ somewhere (1 message, latest: Apr 11 2022 at 14:15)
- Two non-equal lists must differ somewhere (2 messages, latest: Apr 11 2022 at 14:10)
- ✔ parser vs. lean.parser (8 messages, latest: Apr 11 2022 at 08:21)
- parser vs. lean.parser (1 message, latest: Apr 11 2022 at 07:07)
- rational functions (11 messages, latest: Apr 11 2022 at 00:46)
- Bundling a decidability instance with a structure/object? (9 messages, latest: Apr 11 2022 at 00:46)
- ✔ lean4 calc developments with simp => ring + mathlib4 de… (2 messages, latest: Apr 09 2022 at 20:01)
- ✔ Where is my induction hypothesis? (12 messages, latest: Apr 09 2022 at 17:08)
- lean4 calc developments with simp (7 messages, latest: Apr 09 2022 at 15:42)
- ✔ finset.induction_on to decide "contains such an element"? (1 message, latest: Apr 09 2022 at 13:15)
- finset.induction_on to decide "contains such an element"? (11 messages, latest: Apr 09 2022 at 10:23)
- ✔ gitpod with "mathematics in Lean" (1 message, latest: Apr 08 2022 at 23:04)
- ✔ extract part of goal into separate variable (20 messages, latest: Apr 08 2022 at 20:37)
- help debugging lemma (5 messages, latest: Apr 08 2022 at 20:23)
- ✔ Documentation of prelude (3 messages, latest: Apr 08 2022 at 20:05)
- deterministic timeout on definition of structure (5 messages, latest: Apr 08 2022 at 00:02)
- Returning a dependent pair (13 messages, latest: Apr 07 2022 at 23:22)
- Unfolding opaque definitions (11 messages, latest: Apr 07 2022 at 19:26)
- ✔ is the web version out of date? (5 messages, latest: Apr 07 2022 at 00:04)
- boilerplate code (8 messages, latest: Apr 06 2022 at 17:01)
- gitpod with "mathematics in Lean" (25 messages, latest: Apr 06 2022 at 14:14)
- extract part of goal into separate variable (6 messages, latest: Apr 06 2022 at 05:53)
- what is "have key := […]" the backwards way (7 messages, latest: Apr 06 2022 at 03:24)
- Changing the order (36 messages, latest: Apr 05 2022 at 20:26)
- apply function to both sides of equation (6 messages, latest: Apr 05 2022 at 19:41)
- Design a tactic to find a finite set? (10 messages, latest: Apr 05 2022 at 18:04)
- Coercion nightmares (28 messages, latest: Apr 05 2022 at 16:51)
- ✔ Imported file uses sorry (3 messages, latest: Apr 05 2022 at 15:51)
- Missing 'noncomputable' (29 messages, latest: Apr 05 2022 at 15:44)
- Linear algebra exercise (8 messages, latest: Apr 05 2022 at 14:05)
- zero not 0? (16 messages, latest: Apr 05 2022 at 13:18)
- ✔ Linear algebra exercise (11 messages, latest: Apr 05 2022 at 10:03)
- Recognize propositions as instances (25 messages, latest: Apr 05 2022 at 07:51)
library_search
andsuggest
(8 messages, latest: Apr 05 2022 at 07:42)- ✔ Modulo (6 messages, latest: Apr 04 2022 at 20:51)
- Small contribution (8 messages, latest: Apr 04 2022 at 19:21)
- basic dependent types question (9 messages, latest: Apr 04 2022 at 18:40)
- ✔ Decidable predicates (1 message, latest: Apr 04 2022 at 16:23)
- Decidable predicates (2 messages, latest: Apr 04 2022 at 16:18)
- ✔ useless assumptions in a proof (12 messages, latest: Apr 04 2022 at 13:50)
- useless assumptions in a proof (15 messages, latest: Apr 04 2022 at 13:23)
- polynomial op_C (38 messages, latest: Apr 04 2022 at 11:15)
- ✔ Undo leanproject upgrade-mathlib (7 messages, latest: Apr 04 2022 at 08:07)
- Antiquotes (27 messages, latest: Apr 03 2022 at 22:53)
- ✔
back
tactic? (4 messages, latest: Apr 03 2022 at 22:07) - ✔ How does Lean save on compute? (1 message, latest: Apr 03 2022 at 21:48)
- ✔ Values of n (mod 3) (6 messages, latest: Apr 03 2022 at 20:20)
back
tactic? (2 messages, latest: Apr 03 2022 at 16:46)- install mathlib (8 messages, latest: Apr 03 2022 at 14:29)
- Values of n (mod 3) (2 messages, latest: Apr 03 2022 at 12:16)
- failed tactic super (12 messages, latest: Apr 02 2022 at 23:40)
- weird behavior of
unfold
(22 messages, latest: Apr 02 2022 at 18:22) - meaning of
.symm
(5 messages, latest: Apr 02 2022 at 07:10) - vertical line (2 messages, latest: Apr 02 2022 at 02:05)
- if then else (17 messages, latest: Apr 02 2022 at 01:46)
- Transfinite Induction (But actually just code review) (33 messages, latest: Apr 02 2022 at 01:29)
- subtype function (7 messages, latest: Apr 02 2022 at 00:55)
- subtype (14 messages, latest: Apr 02 2022 at 00:43)
- cannot install mathlib (2 messages, latest: Apr 01 2022 at 22:37)
- Order of checks in CI (21 messages, latest: Apr 01 2022 at 13:19)
- Cases vs induction tactics goal refactoring (6 messages, latest: Apr 01 2022 at 08:54)
- How does Lean save on compute? (2 messages, latest: Mar 31 2022 at 21:42)
- What is \u? (17 messages, latest: Mar 31 2022 at 17:48)
- Span from matrix columns (5 messages, latest: Mar 31 2022 at 15:19)
- Forgetting type class structure on variables (5 messages, latest: Mar 31 2022 at 15:13)
- VR interface / college project (7 messages, latest: Mar 30 2022 at 23:21)
- question regarding library_search (10 messages, latest: Mar 30 2022 at 16:50)
- ✔ Cardinality of finset vs fintype (1 message, latest: Mar 30 2022 at 03:23)
- Cardinality of finset vs fintype (10 messages, latest: Mar 30 2022 at 02:16)
- Dependent PR - merge conflict (14 messages, latest: Mar 29 2022 at 18:00)
- perm equal to sorted list indices (4 messages, latest: Mar 29 2022 at 16:11)
- ✔ using exact (7 messages, latest: Mar 29 2022 at 13:54)
- using exact (12 messages, latest: Mar 29 2022 at 13:20)
- Writing a function that returns (Nat, Type) (5 messages, latest: Mar 28 2022 at 22:54)
- Fresh install could not resolve import (3 messages, latest: Mar 28 2022 at 22:33)
- branch : “Can’t automatically merge.” (15 messages, latest: Mar 28 2022 at 13:10)
- cast vs coe (19 messages, latest: Mar 28 2022 at 04:47)
- Missing zmod lemma? (35 messages, latest: Mar 27 2022 at 19:15)
- Where to get leanproject on Windows? (6 messages, latest: Mar 26 2022 at 22:46)
- Kevin Wilson: Introduction (+ a question on small examples) (156 messages, latest: Mar 26 2022 at 20:52)
- inhabited should be nonempty (9 messages, latest: Mar 26 2022 at 17:02)
- Solving arbitrary polynomial equations (3 messages, latest: Mar 25 2022 at 19:52)
- ✔ inequality of absolute value (16 messages, latest: Mar 25 2022 at 14:19)
- ✔ Cube Root (12 messages, latest: Mar 24 2022 at 21:34)
- ✔ error when using #check with proof-term (6 messages, latest: Mar 24 2022 at 11:27)
- error when using #check with proof-term (3 messages, latest: Mar 24 2022 at 09:36)
- Use of id function (5 messages, latest: Mar 24 2022 at 05:18)
- Cube Root (21 messages, latest: Mar 24 2022 at 00:01)
- Long proofs (14 messages, latest: Mar 23 2022 at 15:06)
- Show explicit coercions? (89 messages, latest: Mar 22 2022 at 23:29)
- ✔ Choosing which term to apply rw (4 messages, latest: Mar 22 2022 at 18:55)
- ✔ irreducible (10 messages, latest: Mar 22 2022 at 18:29)
- ✔ rational number (13 messages, latest: Mar 22 2022 at 18:27)
- irreducible (4 messages, latest: Mar 22 2022 at 17:07)
- type rewriting (2 messages, latest: Mar 22 2022 at 14:05)
- irreduciable (1 message, latest: Mar 22 2022 at 13:17)
- Parametrized tactic unit (2 messages, latest: Mar 22 2022 at 12:57)
- ✔ Inductive types private (3 messages, latest: Mar 22 2022 at 12:53)
- Inductive types private (1 message, latest: Mar 22 2022 at 10:59)
- Introductions: Yi Hu (23 messages, latest: Mar 22 2022 at 06:40)
- rational number (1 message, latest: Mar 22 2022 at 00:13)
- ✔ How get to some properties of a non-computable function (6 messages, latest: Mar 21 2022 at 20:44)
- Introduction and permission (3 messages, latest: Mar 21 2022 at 16:19)
- Billy Miao's Introduction and a question about Gram-Schmidt (18 messages, latest: Mar 21 2022 at 14:49)
- ✔ multiplication of complex number (3 messages, latest: Mar 20 2022 at 22:21)
- multiplication of complex number (1 message, latest: Mar 20 2022 at 20:51)
- How to import everything under
(mathlib)/data/nat/
? (46 messages, latest: Mar 19 2022 at 20:22) - coe trouble, i guess (9 messages, latest: Mar 19 2022 at 16:01)
- nat.prime and unfreezingI (13 messages, latest: Mar 18 2022 at 08:15)
- norm_num question (22 messages, latest: Mar 17 2022 at 20:03)
- ✔
a^2 ∣ b^2 → a ∣ b
? (8 messages, latest: Mar 17 2022 at 14:31) - Type class inference loop (38 messages, latest: Mar 17 2022 at 12:30)
- "default handlers" when deriving DecidableEq (2 messages, latest: Mar 17 2022 at 12:07)
- Prove that a SKI expression does not terminate (14 messages, latest: Mar 17 2022 at 04:16)
- Evaluating Permutations (14 messages, latest: Mar 16 2022 at 22:29)
a^2 ∣ b^2 → a ∣ b
? (1 message, latest: Mar 16 2022 at 19:09)- Tactics (45 messages, latest: Mar 16 2022 at 16:40)
- ✔ Infinite recursing macro? (6 messages, latest: Mar 16 2022 at 14:52)
- Infinite recursing macro? (5 messages, latest: Mar 16 2022 at 13:45)
- Introduction: Cormac Deignan (10 messages, latest: Mar 16 2022 at 13:14)
- Notation for finite sums, products… (5 messages, latest: Mar 16 2022 at 01:20)
- ✔ Convergent sequences are bounded above (7 messages, latest: Mar 15 2022 at 21:26)
- Can I squeeze finish? (3 messages, latest: Mar 15 2022 at 18:13)
- Convergent sequences are bounded above (3 messages, latest: Mar 15 2022 at 15:08)
- Transitive imports (13 messages, latest: Mar 15 2022 at 12:11)
- Counting cardinalities in presence of partitions (15 messages, latest: Mar 15 2022 at 08:37)
- ✔ composition arbitrary times (1 message, latest: Mar 15 2022 at 01:17)
- git/branch misunderstanding (8 messages, latest: Mar 14 2022 at 22:25)
- stream events (1 message, latest: Mar 14 2022 at 20:02)
- Listing all names in a namespace (30 messages, latest: Mar 14 2022 at 17:58)
- ✔ Accessing properties of list elements while mapping them (22 messages, latest: Mar 14 2022 at 14:10)
- actually computing a thing (13 messages, latest: Mar 14 2022 at 08:24)
- composition arbitrary times (2 messages, latest: Mar 14 2022 at 03:02)
- Accessing properties of list elements while mapping them (6 messages, latest: Mar 13 2022 at 21:54)
- lean project (3 messages, latest: Mar 13 2022 at 18:44)
- intersection as a set of subtype (21 messages, latest: Mar 13 2022 at 13:44)
- separating constructive maths from non-constructive maths (4 messages, latest: Mar 12 2022 at 19:10)
- ✔ exist in hypothesis (5 messages, latest: Mar 12 2022 at 18:40)
- tutorial for mathlib (5 messages, latest: Mar 12 2022 at 16:09)
- split off three (3 messages, latest: Mar 12 2022 at 09:21)
- Looking for how to contribute to mathlib (21 messages, latest: Mar 12 2022 at 09:20)
- Proofs (17 messages, latest: Mar 12 2022 at 00:52)
- bors merge conflict (15 messages, latest: Mar 11 2022 at 20:18)
- "suggest" output doesn't specify namespace (1 message, latest: Mar 11 2022 at 18:44)
- Defining a finset with two elements {x,y} (3 messages, latest: Mar 11 2022 at 16:36)
to_additive
and docstrings (12 messages, latest: Mar 10 2022 at 23:32)- re entry into math (10 messages, latest: Mar 10 2022 at 19:41)
- Finding joins in the module graph (10 messages, latest: Mar 10 2022 at 16:33)
- namespaces, and more (17 messages, latest: Mar 09 2022 at 19:00)
- Folder structure (3 messages, latest: Mar 09 2022 at 14:30)
- ✔ Inductive families confusion (1 message, latest: Mar 09 2022 at 11:24)
- How to check whether something reduces? (6 messages, latest: Mar 08 2022 at 20:43)
- function defined by min of two others (6 messages, latest: Mar 08 2022 at 19:45)
- define a function by iterating (18 messages, latest: Mar 08 2022 at 19:31)
- Documentation for the
congr
attribute (3 messages, latest: Mar 08 2022 at 18:46) - Inductive families confusion (5 messages, latest: Mar 08 2022 at 12:33)
- ✔ Equivalent of Set Printing All? (8 messages, latest: Mar 08 2022 at 04:15)
- Golfing int.not_is_field (9 messages, latest: Mar 08 2022 at 03:12)
- excessive memory consumption in lemma statement (14 messages, latest: Mar 07 2022 at 23:31)
- how to type ‹ (17 messages, latest: Mar 07 2022 at 22:35)
- Number Theory Group (13 messages, latest: Mar 07 2022 at 19:27)
- ✔ universe question: max u v = max v u? (48 messages, latest: Mar 07 2022 at 17:29)
- ✔ lift constructor to embedding (9 messages, latest: Mar 07 2022 at 16:01)
- ✔ Finite set of reals has a finite
Sup
(5 messages, latest: Mar 07 2022 at 15:58) - Dependent mapping of vector (11 messages, latest: Mar 07 2022 at 13:44)
- graded “sorry” (12 messages, latest: Mar 07 2022 at 12:02)
- ✔ ext tactics (12 messages, latest: Mar 07 2022 at 02:31)
- ✔ Moving the forall around (3 messages, latest: Mar 07 2022 at 02:17)
- Moving the forall around (3 messages, latest: Mar 07 2022 at 01:52)
- How to use structures? (23 messages, latest: Mar 06 2022 at 17:04)
- ✔ Isometric image of finite metric ball (4 messages, latest: Mar 06 2022 at 16:00)
- ✔ Determining namespace (2 messages, latest: Mar 06 2022 at 15:27)
- Isometric image of finite metric ball (12 messages, latest: Mar 06 2022 at 15:12)
- Determining namespace (10 messages, latest: Mar 06 2022 at 14:46)
- tutorials on web? (11 messages, latest: Mar 06 2022 at 09:10)
- Creating Theories (9 messages, latest: Mar 05 2022 at 21:48)
- ✔ Π vs. ∀ (5 messages, latest: Mar 05 2022 at 21:02)
- ✔ anonymous angle brackets (16 messages, latest: Mar 05 2022 at 18:29)
- anonymous angle brackets (1 message, latest: Mar 05 2022 at 16:40)
- Introduction: Allen Knutson (13 messages, latest: Mar 05 2022 at 09:16)
- piecewise functions (53 messages, latest: Mar 04 2022 at 18:33)
- ✔ finset.sum_union_inter mystery (10 messages, latest: Mar 04 2022 at 17:52)
- finset.sum_union_inter mystery (1 message, latest: Mar 04 2022 at 17:13)
- Partial functions using
option
(12 messages, latest: Mar 04 2022 at 10:02) - dependent structures (5 messages, latest: Mar 04 2022 at 05:59)
- equiv (25 messages, latest: Mar 04 2022 at 02:44)
- ✔ Lemma search (1 message, latest: Mar 04 2022 at 00:58)
- ite and decidability instances (18 messages, latest: Mar 03 2022 at 23:19)
- ordering unique elements (8 messages, latest: Mar 03 2022 at 19:52)
- Partitions, finite types (15 messages, latest: Mar 03 2022 at 15:59)
- Function Asymptotes (10 messages, latest: Mar 03 2022 at 09:25)
- nonconstructive proofs (67 messages, latest: Mar 03 2022 at 08:38)
- Where is Kevin when you need him? (27 messages, latest: Mar 03 2022 at 05:55)
- ✔ Functions with various real domains (4 messages, latest: Mar 03 2022 at 04:03)
- ✔ Function Asymptotes (5 messages, latest: Mar 03 2022 at 03:55)
- ✔ Lattice of finite submodules (5 messages, latest: Mar 02 2022 at 22:02)
- Lemma search (5 messages, latest: Mar 02 2022 at 19:04)
- Constructing Sets and Powersets (28 messages, latest: Mar 02 2022 at 18:53)
- ✔ How to do it properly in lean (1 message, latest: Mar 02 2022 at 18:05)
- How to do it properly in lean (2 messages, latest: Mar 02 2022 at 17:09)
- Transport along identity (53 messages, latest: Mar 02 2022 at 13:17)
- simp attribute (3 messages, latest: Mar 02 2022 at 08:07)
- How to do it proprely in lean (1 message, latest: Mar 02 2022 at 07:10)
- \R 0 (9 messages, latest: Mar 02 2022 at 06:35)
- rewrite tactic failed, lemma lhs is a metavariable (31 messages, latest: Mar 02 2022 at 01:57)
- unknown identifier in challenge 8 (16 messages, latest: Mar 01 2022 at 21:28)
- ✔ Just installed Lean (8 messages, latest: Mar 01 2022 at 21:27)
- ✔ Every list element has an index (2 messages, latest: Mar 01 2022 at 19:16)
- Just installed Lean (10 messages, latest: Mar 01 2022 at 19:10)
- Every list element has an index (2 messages, latest: Mar 01 2022 at 19:05)
- summation (2 messages, latest: Mar 01 2022 at 18:09)
- returning true or false (7 messages, latest: Mar 01 2022 at 14:56)
- ✔ Lifting option (7 messages, latest: Mar 01 2022 at 00:32)
- ✔ 0 - n = 0 (1 message, latest: Feb 28 2022 at 23:14)
- 0 - n = 0 (7 messages, latest: Feb 28 2022 at 23:00)
- recursion in list (4 messages, latest: Feb 28 2022 at 19:20)
- tactic (24 messages, latest: Feb 28 2022 at 18:12)
- VScode not showing an error (5 messages, latest: Feb 28 2022 at 16:43)
- ✔ rewriting from right to left (21 messages, latest: Feb 28 2022 at 13:53)
- symmetry of a theorem (4 messages, latest: Feb 28 2022 at 09:18)
- Getting started contributing to probability theory (33 messages, latest: Feb 27 2022 at 20:37)
ite
with multiple decidable instances (36 messages, latest: Feb 27 2022 at 19:31)- ✔ Symbol minus (4 messages, latest: Feb 27 2022 at 18:54)
- Symbol minus (23 messages, latest: Feb 27 2022 at 16:01)
- How to check definitional equality? (13 messages, latest: Feb 27 2022 at 13:58)
- Intro - David Loeffler (14 messages, latest: Feb 27 2022 at 13:00)
- make instance of decidable_eq (7 messages, latest: Feb 27 2022 at 09:13)
- ✔ In a set (2 messages, latest: Feb 27 2022 at 01:09)
- In a set (3 messages, latest: Feb 27 2022 at 00:21)
- using sub_eq_add_neg in calc (3 messages, latest: Feb 26 2022 at 23:06)
- Release notes for v4.0.0-m3 (2 messages, latest: Feb 26 2022 at 18:59)
- Lean Course (2 messages, latest: Feb 26 2022 at 17:42)
- Why is lean major version changing rapidly? (6 messages, latest: Feb 26 2022 at 17:41)
- Approximately Equal (9 messages, latest: Feb 26 2022 at 16:04)
- tactic to hide/drop/forget assumption I don't need anymore (5 messages, latest: Feb 26 2022 at 15:21)
- Functions with various real domains (8 messages, latest: Feb 26 2022 at 14:00)
- even/odd functions (4 messages, latest: Feb 26 2022 at 08:07)
- Beginner's Question (12 messages, latest: Feb 26 2022 at 02:03)
- Filters (64 messages, latest: Feb 26 2022 at 00:15)
- reflexive - variable vs. argument to a function (5 messages, latest: Feb 25 2022 at 22:26)
- M1 Macs: Installing the Lean 3 toolchain (117 messages, latest: Feb 25 2022 at 12:08)
- ✔ natural numbers world … advanced addition world (2 messages, latest: Feb 25 2022 at 10:16)
- natural numbers world … advanced addition world (16 messages, latest: Feb 25 2022 at 09:24)
- induction, trying to come to grips with baby lean concepts (20 messages, latest: Feb 24 2022 at 17:49)
- ✔ Rewrite type of term in function definition (2 messages, latest: Feb 24 2022 at 17:00)
- Rewrite type of term in function definition (12 messages, latest: Feb 24 2022 at 16:10)
- Image of a set under relation (37 messages, latest: Feb 24 2022 at 13:48)
- ✔ Connection between list.nth and list.nth_le (4 messages, latest: Feb 24 2022 at 12:55)
- Connection between list.nth and list.nth_le (2 messages, latest: Feb 24 2022 at 12:01)
- multivariable sum function (16 messages, latest: Feb 24 2022 at 09:24)
- Strange recursion question (7 messages, latest: Feb 24 2022 at 04:40)
- ✔ Windows clone project error (3 messages, latest: Feb 23 2022 at 23:29)
- ✔ summing over real.logb (1 message, latest: Feb 23 2022 at 21:31)
- summing over real.logb (7 messages, latest: Feb 23 2022 at 19:23)
- OR elimination type mismatch (5 messages, latest: Feb 23 2022 at 17:43)
- Windows clone project error (2 messages, latest: Feb 23 2022 at 17:43)
- Merge conflict - localization (25 messages, latest: Feb 23 2022 at 13:05)
- ✔ docs for PRs (3 messages, latest: Feb 23 2022 at 10:59)
- natural log and e (2 messages, latest: Feb 23 2022 at 05:31)
- natural log (2 messages, latest: Feb 23 2022 at 05:11)
- ✔ Weird leanpkg.path (2 messages, latest: Feb 22 2022 at 23:35)
- Weird leanpkg.path (3 messages, latest: Feb 22 2022 at 23:11)
- ✔ Stuck on nat game (11 messages, latest: Feb 22 2022 at 22:39)
- formalizing (10 messages, latest: Feb 22 2022 at 17:34)
- Rewrite condition in
ite
? (26 messages, latest: Feb 22 2022 at 16:03) - ✔ concrete finset and operations (1 message, latest: Feb 22 2022 at 15:22)
- ✔ Odd residues mod 8 (60 messages, latest: Feb 22 2022 at 14:48)
- concrete finset and operations (43 messages, latest: Feb 22 2022 at 14:44)
- list.head vs. list.last (22 messages, latest: Feb 22 2022 at 13:41)
- quotient mk vs mk' lemmas (6 messages, latest: Feb 22 2022 at 09:44)
- Matej Penciak (16 messages, latest: Feb 21 2022 at 21:01)
- Formalizing formula (79 messages, latest: Feb 21 2022 at 20:17)
- Odd residues mod 8 (3 messages, latest: Feb 21 2022 at 19:09)
- ✔ induction unknown declaration (2 messages, latest: Feb 21 2022 at 18:01)
- induction unknown declaration (3 messages, latest: Feb 21 2022 at 16:07)
- linarith (10 messages, latest: Feb 21 2022 at 15:40)
- ✔ Tactics questions (1 message, latest: Feb 21 2022 at 15:15)
- Algebra in nnreal (10 messages, latest: Feb 21 2022 at 15:08)
- Tactics questions (21 messages, latest: Feb 21 2022 at 15:06)
- Why isn't there an existential here? (50 messages, latest: Feb 21 2022 at 13:48)
- ✔ Meaning of private example (5 messages, latest: Feb 21 2022 at 10:53)
- Michael Stoll / confusion with addition (50 messages, latest: Feb 20 2022 at 19:48)
- personal repo (3 messages, latest: Feb 20 2022 at 19:41)
- Lean4
tactic.assert
equivalent? (6 messages, latest: Feb 20 2022 at 17:59) - Basic Proving Questions (651 messages, latest: Feb 20 2022 at 04:36)
- VS Code collapse section (2 messages, latest: Feb 19 2022 at 14:11)
- ✔ data.set -> prod in mathlib docs is gone (5 messages, latest: Feb 19 2022 at 13:10)
- Updating mathlib in a PR (15 messages, latest: Feb 19 2022 at 12:48)
- Accidentally brought a new file into my PR (4 messages, latest: Feb 19 2022 at 11:25)
- introduction myself (jt) (43 messages, latest: Feb 19 2022 at 07:15)
- difference between exists with Type and Prop (16 messages, latest: Feb 19 2022 at 02:36)
- Google Summer of Code GSoC (13 messages, latest: Feb 19 2022 at 01:15)
- index (56 messages, latest: Feb 18 2022 at 23:07)
- dec_trivial Q (14 messages, latest: Feb 18 2022 at 19:01)
- ✔ Getting olean cache for Mathlib branch (7 messages, latest: Feb 18 2022 at 18:45)
- Getting olean cache for Mathlib branch (5 messages, latest: Feb 18 2022 at 18:09)
- working with sets defined in bracket notation (23 messages, latest: Feb 18 2022 at 15:40)
- Metric space distance has value in R? (6 messages, latest: Feb 18 2022 at 09:32)
- ✔ Using change instead of unfolding (43 messages, latest: Feb 18 2022 at 02:32)
- slow crutches (2 messages, latest: Feb 17 2022 at 23:10)
- Using change instead of unfolding (7 messages, latest: Feb 17 2022 at 23:10)
- ✔ installation with vscode (1 message, latest: Feb 17 2022 at 22:14)
- installation with vscode (12 messages, latest: Feb 17 2022 at 22:09)
- VS Code go-to-definition (5 messages, latest: Feb 17 2022 at 15:17)
- introduction: Fatimah Ahmadi (7 messages, latest: Feb 16 2022 at 22:12)
- slow proof state update (12 messages, latest: Feb 16 2022 at 17:30)
- ✔ Basic Finset question (49 messages, latest: Feb 16 2022 at 13:19)
- Basic Finset question (2 messages, latest: Feb 16 2022 at 11:04)
- ✔ Unfolding relation.refl_trans_gen (27 messages, latest: Feb 16 2022 at 10:42)
- Unfolding relation.refl_trans_gen (12 messages, latest: Feb 16 2022 at 10:11)
- Coercing list to set? (14 messages, latest: Feb 16 2022 at 09:54)
- "Aborted" reported while get tutorials (8 messages, latest: Feb 16 2022 at 09:25)
- Setting up definitions (29 messages, latest: Feb 16 2022 at 08:29)
- with or .. (22 messages, latest: Feb 16 2022 at 04:20)
- Variant of finsupp.prod_add_index? (29 messages, latest: Feb 15 2022 at 14:24)
- Coarse notions on metric spaces: Review+Help (167 messages, latest: Feb 15 2022 at 05:47)
- ✔ NNG and change of induction basis (1 message, latest: Feb 14 2022 at 21:18)
- ✔ share project (4 messages, latest: Feb 14 2022 at 16:46)
- set iteration (7 messages, latest: Feb 14 2022 at 14:15)
- (In)completeness of ring_exp (13 messages, latest: Feb 14 2022 at 02:40)
- bicategory (53 messages, latest: Feb 13 2022 at 21:38)
- code extraction (3 messages, latest: Feb 13 2022 at 19:07)
- Mathlib name. Just checking the meaning(s) (13 messages, latest: Feb 13 2022 at 17:33)
- Lean3 match multiple constructors (7 messages, latest: Feb 13 2022 at 15:40)
- reserved words (9 messages, latest: Feb 12 2022 at 22:27)
- type mismatches (17 messages, latest: Feb 12 2022 at 13:57)
- ✔ Prove that reflexive transitive closure is transitive (7 messages, latest: Feb 12 2022 at 09:38)
- Introduction: Timothy Chow (2 messages, latest: Feb 12 2022 at 07:15)
- ✔ forall -> not exists (6 messages, latest: Feb 11 2022 at 20:00)
- Type class inference and category theory (25 messages, latest: Feb 11 2022 at 15:34)
- forall -> not exists (2 messages, latest: Feb 11 2022 at 14:10)
- ✔ bind variable with existential quantifier (2 messages, latest: Feb 11 2022 at 10:07)
- ✔ Proof by cases and DRY (10 messages, latest: Feb 10 2022 at 22:30)
- Conflicting zero objects for Module R (2 messages, latest: Feb 10 2022 at 21:04)
- ✔ How to use classical.some repeatedly (36 messages, latest: Feb 10 2022 at 20:39)
- universal properties and universes (17 messages, latest: Feb 10 2022 at 19:14)
- goal window disappeared (6 messages, latest: Feb 10 2022 at 17:09)
- Naming convention for the additive version of a lemma (6 messages, latest: Feb 10 2022 at 16:38)
- How to suggest a change to an unchanged file? (5 messages, latest: Feb 10 2022 at 16:16)
- Implicit/explicit arguments (3 messages, latest: Feb 10 2022 at 16:08)
- Problem with existential that seems to take an argument (3 messages, latest: Feb 10 2022 at 11:34)
- using quotient.map2 (11 messages, latest: Feb 10 2022 at 09:42)
- ✔ Theorems with varaibles curly braces vs parenthesis (4 messages, latest: Feb 10 2022 at 08:36)
- Theorems with varaibles curly braces vs parenthesis (5 messages, latest: Feb 10 2022 at 08:07)
- bind variable with existential quantifier (6 messages, latest: Feb 10 2022 at 07:53)
- ✔ VS code never stops checking (9 messages, latest: Feb 10 2022 at 04:21)
- VS code never stops checking (4 messages, latest: Feb 10 2022 at 04:13)
- Brouwer's fixed point theorem? (19 messages, latest: Feb 09 2022 at 23:26)
- semantics of induction (6 messages, latest: Feb 09 2022 at 19:28)
- ✔ out_param (1 message, latest: Feb 09 2022 at 12:08)
- partial image of finset? / finset comprehension? (4 messages, latest: Feb 09 2022 at 11:15)
- Word metric on group (1 message, latest: Feb 09 2022 at 07:30)
- out_param (20 messages, latest: Feb 08 2022 at 16:26)
- Can't find instance (24 messages, latest: Feb 08 2022 at 12:50)
- ✔ Optional argmin (1 message, latest: Feb 08 2022 at 11:57)
- type instance failing with subtype (7 messages, latest: Feb 08 2022 at 10:32)
- NNG world 9 level 4 (6 messages, latest: Feb 08 2022 at 08:37)
- Optional argmin (1 message, latest: Feb 08 2022 at 07:59)
- No matrix powers (6 messages, latest: Feb 08 2022 at 01:05)
- exact/assumption timeout (40 messages, latest: Feb 07 2022 at 22:52)
- NNG and change of induction basis (2 messages, latest: Feb 07 2022 at 20:00)
- ✔ Using norm_fin (1 message, latest: Feb 07 2022 at 19:25)
- ✔ what does ; syntax do? (1 message, latest: Feb 07 2022 at 19:22)
- Using norm_fin (10 messages, latest: Feb 07 2022 at 17:58)
- Working with constructed objects (7 messages, latest: Feb 07 2022 at 14:26)
- notation of def doesn't show types clearly (5 messages, latest: Feb 07 2022 at 10:55)
- ✔ interchangeable representation of theorems (1 message, latest: Feb 07 2022 at 08:23)
- ✔ Stuck at a trivial list property (6 messages, latest: Feb 07 2022 at 08:23)
- interchangeable representation of theorems (15 messages, latest: Feb 07 2022 at 08:10)
- Stuck at a trivial list property (1 message, latest: Feb 07 2022 at 08:05)
- ✔ Operator precedence (7 messages, latest: Feb 07 2022 at 07:03)
- NNG: lean hangs at repeat {apply succ_inj} (4 messages, latest: Feb 07 2022 at 06:37)
- Operator precedence (9 messages, latest: Feb 07 2022 at 02:44)
- or.elim vs or.by_cases (4 messages, latest: Feb 06 2022 at 22:05)
- Inverse image (3 messages, latest: Feb 06 2022 at 22:05)
- basic calculus in mathlib (6 messages, latest: Feb 06 2022 at 21:56)
- Introduction + algebraic/arithmetic geometry (17 messages, latest: Feb 06 2022 at 20:18)
- new foundations? (27 messages, latest: Feb 06 2022 at 19:02)
- Most up-to-date library (3 messages, latest: Feb 06 2022 at 16:11)
- How can I prove properties of Cartesian products in Lean? (15 messages, latest: Feb 06 2022 at 09:47)
- repeat automatically does refl? (20 messages, latest: Feb 06 2022 at 08:22)
- how do you type tex on zulip (6 messages, latest: Feb 06 2022 at 02:00)
- Questions about TPIL (17 messages, latest: Feb 05 2022 at 16:55)
- Cartesian products agains (47 messages, latest: Feb 05 2022 at 16:09)
- ✔ Non-empty list has last element (2 messages, latest: Feb 05 2022 at 15:22)
- Non-empty list has last element (1 message, latest: Feb 05 2022 at 15:02)
- where and how are nat and int defined? (5 messages, latest: Feb 05 2022 at 14:24)
- ✔ why can't I rw here (10 messages, latest: Feb 05 2022 at 05:41)
- why can't I rw here (1 message, latest: Feb 05 2022 at 04:53)
- ✔ turing machine proof (3 messages, latest: Feb 05 2022 at 00:35)
- has_union problem (8 messages, latest: Feb 05 2022 at 00:33)
- what does ; syntax do? (2 messages, latest: Feb 04 2022 at 22:33)
- Where can you put the quantifier in Induction (4 messages, latest: Feb 04 2022 at 21:23)
- ✔ Constructive symmetric group on n letters? (7 messages, latest: Feb 04 2022 at 18:09)
- ✔ subset relation for subgroup? (11 messages, latest: Feb 04 2022 at 17:35)
- ✔ Subtype covariance (3 messages, latest: Feb 04 2022 at 16:08)
- ✔ some general beginner questions (10 messages, latest: Feb 04 2022 at 15:24)
- Subtype covariance (9 messages, latest: Feb 04 2022 at 15:08)
- Question about namespace (35 messages, latest: Feb 04 2022 at 13:59)
- some general beginner questions (13 messages, latest: Feb 04 2022 at 11:36)
- ✔ congr can't beta reduce (21 messages, latest: Feb 04 2022 at 07:56)
- ✔ rewriting a function (4 messages, latest: Feb 03 2022 at 22:43)
- ✔ How to define Pi data? (1 message, latest: Feb 03 2022 at 22:34)
- how to congr inside a condition? (10 messages, latest: Feb 03 2022 at 18:16)
- floor vs sum ite (15 messages, latest: Feb 03 2022 at 16:08)
- Probable misformatting of curly braces (12 messages, latest: Feb 03 2022 at 11:10)
- ✔
trivial : x \in univ
does not typecheck (2 messages, latest: Feb 03 2022 at 07:36) trivial : x \in univ
does not typecheck (2 messages, latest: Feb 03 2022 at 06:48)- nat divisors (6 messages, latest: Feb 03 2022 at 03:05)
- ✔ Subtype polymorphism (8 messages, latest: Feb 02 2022 at 21:54)
- GitHub down for you? (3 messages, latest: Feb 02 2022 at 19:19)
- Subtype polymorphism (7 messages, latest: Feb 02 2022 at 19:08)
- How to define Pi data? (4 messages, latest: Feb 02 2022 at 17:52)
- Maximum Length for a PR (15 messages, latest: Feb 02 2022 at 12:42)
- type of 'list' (59 messages, latest: Feb 01 2022 at 23:45)
- ✔ reverting two implications in a hypothesis (2 messages, latest: Feb 01 2022 at 21:48)
- reverting two implications in a hypothesis (8 messages, latest: Feb 01 2022 at 20:05)
- PR Awaiting Author (6 messages, latest: Feb 01 2022 at 12:06)
- Floating point numbers (13 messages, latest: Feb 01 2022 at 12:02)
- Towards Dold-Kan equivalence in mathlib (21 messages, latest: Feb 01 2022 at 08:49)
- Getting prod_mk_mem_set_prod_eq to work (10 messages, latest: Feb 01 2022 at 08:41)
- euclidean_space error (35 messages, latest: Feb 01 2022 at 07:53)
- Inverse of option.some (39 messages, latest: Jan 31 2022 at 22:33)
- Using result of #eval (53 messages, latest: Jan 31 2022 at 21:53)
- ✔ Arbitrary reordering under universal quantifier (7 messages, latest: Jan 31 2022 at 19:51)
- Arbitrary reordering under universal quantifier (2 messages, latest: Jan 31 2022 at 16:39)
- Concatenated string (5 messages, latest: Jan 31 2022 at 16:19)
- what is wrong with my code, Distributive Law (5 messages, latest: Jan 31 2022 at 09:44)
- Chomsky hierarchy (Ph.D. project) (1 message, latest: Jan 31 2022 at 07:53)
- inductive types recursive (7 messages, latest: Jan 31 2022 at 02:01)
- ✔ Existential quantifier and Sigma type (41 messages, latest: Jan 30 2022 at 17:28)
- Carter Cobb - introduction (3 messages, latest: Jan 30 2022 at 17:09)
- faster lean –make (16 messages, latest: Jan 28 2022 at 16:02)
- ✔ Fuzzy Sets (6 messages, latest: Jan 28 2022 at 15:58)
- ✔ Automatic theorem proving question (2 messages, latest: Jan 28 2022 at 15:30)
- New to lean/mathlib. Trying to understand the library. (40 messages, latest: Jan 28 2022 at 15:22)
- Automatic theorem proving question (4 messages, latest: Jan 28 2022 at 11:45)
- ✔ Bernoulli Inequality (7 messages, latest: Jan 28 2022 at 08:02)
- Proof inside a recursive function definition in order to … (2 messages, latest: Jan 27 2022 at 18:41)
- exists.elim multiple (2 messages, latest: Jan 27 2022 at 18:31)
- ✔ Difference between set and subtype (7 messages, latest: Jan 27 2022 at 15:12)
- Difference between set and subtype (18 messages, latest: Jan 27 2022 at 09:09)
- ✔ what is α (16 messages, latest: Jan 26 2022 at 22:22)
- what is α (25 messages, latest: Jan 26 2022 at 20:53)
- has_zero (15 messages, latest: Jan 26 2022 at 13:04)
- ✔ inequality question (6 messages, latest: Jan 26 2022 at 12:46)
- inequality question (5 messages, latest: Jan 26 2022 at 12:15)
- Relationship between induction and catamorphisms (4 messages, latest: Jan 26 2022 at 08:18)
- Sort u (20 messages, latest: Jan 26 2022 at 07:10)
- set ℕ and being decidable (31 messages, latest: Jan 26 2022 at 01:07)
- redundant definitions/ifndef (8 messages, latest: Jan 25 2022 at 16:38)
- How does Lean handle the equal operator on sets? (10 messages, latest: Jan 25 2022 at 03:14)
- interactive transitivty proof (12 messages, latest: Jan 24 2022 at 23:17)
- equivalence relations of matrices (9 messages, latest: Jan 24 2022 at 21:19)
- bottine (33 messages, latest: Jan 24 2022 at 17:49)
split_ifs
not using provided names (5 messages, latest: Jan 24 2022 at 07:28)- multiset to function (5 messages, latest: Jan 24 2022 at 01:38)
- ✔ multiset to function (11 messages, latest: Jan 24 2022 at 00:53)
- Stuck on nat game (32 messages, latest: Jan 24 2022 at 00:13)
- import data.ratl OOM (22 messages, latest: Jan 23 2022 at 20:42)
- building API for ratfunc and laurent series (4 messages, latest: Jan 23 2022 at 18:46)
- structures with dependent fields (11 messages, latest: Jan 23 2022 at 11:11)
- ✔ rw tactic (32 messages, latest: Jan 22 2022 at 23:49)
- solver for orders? (4 messages, latest: Jan 22 2022 at 22:37)
- interactive tactics in calc (4 messages, latest: Jan 22 2022 at 19:00)
- a statement that depends on itself to make sense (9 messages, latest: Jan 22 2022 at 17:25)
- failed to synthesize ? (8 messages, latest: Jan 22 2022 at 00:28)
- Just finished the game, what to do next (54 messages, latest: Jan 21 2022 at 20:26)
- dependent rewrite (27 messages, latest: Jan 21 2022 at 19:35)
- ✔ Instances in ∀ (8 messages, latest: Jan 21 2022 at 18:59)
- Instances in ∀ (17 messages, latest: Jan 21 2022 at 17:07)
- Semidefinite Quadratic Forms (12 messages, latest: Jan 21 2022 at 15:54)
- Is there an awesome-lean repository? (5 messages, latest: Jan 20 2022 at 20:08)
- Mathematical diagrams in lean (3 messages, latest: Jan 20 2022 at 19:59)
- Programme not working (4 messages, latest: Jan 20 2022 at 19:55)
- ✔ Infinitude of Primes tutorial (11 messages, latest: Jan 20 2022 at 17:00)
- Infinitude of Primes tutorial (1 message, latest: Jan 20 2022 at 16:15)
- ✔ nontrivial ℚ (1 message, latest: Jan 20 2022 at 15:38)
- nontrivial ℚ (16 messages, latest: Jan 20 2022 at 14:01)
- Lean4 for Law (3 messages, latest: Jan 20 2022 at 10:37)
- classes (3 messages, latest: Jan 20 2022 at 03:18)
- inequality following from an equality (9 messages, latest: Jan 20 2022 at 02:39)
- Adjoint of linear map (30 messages, latest: Jan 19 2022 at 23:16)
- ✔ extracting to_fun (2 messages, latest: Jan 19 2022 at 21:26)
- standard basis (10 messages, latest: Jan 19 2022 at 17:51)
- Sara Rousta (3 messages, latest: Jan 19 2022 at 17:21)
- ✔ nat.find (8 messages, latest: Jan 19 2022 at 11:02)
- extracting to_fun (4 messages, latest: Jan 19 2022 at 08:07)
- generated names (4 messages, latest: Jan 19 2022 at 04:39)
- Meaning of "prelude" at start of lean 4 file. (6 messages, latest: Jan 18 2022 at 22:51)
- nat.find (1 message, latest: Jan 18 2022 at 22:14)
- ✔ ext refl (1 message, latest: Jan 18 2022 at 09:29)
- ext refl (15 messages, latest: Jan 18 2022 at 06:49)
- Total orders on types (4 messages, latest: Jan 17 2022 at 12:00)
- mathlib PR (3 messages, latest: Jan 16 2022 at 16:15)
- Permission to push (5 messages, latest: Jan 16 2022 at 14:43)
- ✔ easier way to define subtype by restricting constructors? (6 messages, latest: Jan 15 2022 at 22:52)
- easier way to define subtype by restricting constructors? (7 messages, latest: Jan 15 2022 at 22:06)
- ✔ leanproject build just one file (1 message, latest: Jan 15 2022 at 10:41)
- Lean for the Inept Mathematician (141 messages, latest: Jan 15 2022 at 10:09)
- Dan Packer - Matrix Theory in Mathlib? (48 messages, latest: Jan 15 2022 at 00:41)
- leanproject build just one file (2 messages, latest: Jan 14 2022 at 18:23)
- learning lean first time (53 messages, latest: Jan 14 2022 at 16:29)
- ✔ Typeclasses has_mul and has_scalar (3 messages, latest: Jan 14 2022 at 14:09)
- lint failed to spot problem (7 messages, latest: Jan 14 2022 at 10:31)
- avoiding bit0 bit1 when using <-one_div_one (6 messages, latest: Jan 13 2022 at 20:41)
- Detecting typeclass clashes (7 messages, latest: Jan 13 2022 at 20:14)
- notation for set theoretic constructions (10 messages, latest: Jan 13 2022 at 16:33)
- fix problem (19 messages, latest: Jan 13 2022 at 16:24)
- Local instance (3 messages, latest: Jan 13 2022 at 15:39)
- power set injective (11 messages, latest: Jan 13 2022 at 12:44)
- Applying a sum of finsupps (24 messages, latest: Jan 13 2022 at 11:55)
- ✔ implicit arguments (5 messages, latest: Jan 13 2022 at 11:32)
- finding lemmas (15 messages, latest: Jan 13 2022 at 10:40)
- bullet to focus subgoals (10 messages, latest: Jan 13 2022 at 10:23)
- Dependent Type Theory Section (78 messages, latest: Jan 13 2022 at 09:16)
- hitchhikers guide, but with examples? (8 messages, latest: Jan 13 2022 at 08:16)
- finset and universes (14 messages, latest: Jan 13 2022 at 01:13)
- ✔ Get mathlib cache after merge (11 messages, latest: Jan 13 2022 at 00:05)
- Explanation of the following proof (6 messages, latest: Jan 12 2022 at 23:49)
- Failed to unify, but why (17 messages, latest: Jan 12 2022 at 22:59)
- using_well_founded (12 messages, latest: Jan 12 2022 at 22:38)
- homs vs. functions (8 messages, latest: Jan 12 2022 at 22:22)
- implicit arguments (12 messages, latest: Jan 12 2022 at 22:11)
- fork or branch (8 messages, latest: Jan 12 2022 at 20:51)
- snytax question about {} and [] (9 messages, latest: Jan 12 2022 at 18:43)
- Auto-filling fields of a structure (5 messages, latest: Jan 12 2022 at 17:09)
- Coercing "nested" types (4 messages, latest: Jan 12 2022 at 04:59)
- theorem inconsistency in mathlib? (4 messages, latest: Jan 12 2022 at 02:50)
- finset <-> boolean algebra, universes (6 messages, latest: Jan 11 2022 at 23:30)
- Unmerged branch was closed (7 messages, latest: Jan 11 2022 at 10:42)
- Problem with induction hypothesis/generalization (1 message, latest: Jan 10 2022 at 10:43)
- Lean4 infixl (4 messages, latest: Jan 10 2022 at 07:55)
- Mathlib Graph (5 messages, latest: Jan 09 2022 at 17:51)
- How to convert function of
\nat
to function offin n
(9 messages, latest: Jan 09 2022 at 17:08) - ✔ Inequality from inequality (5 messages, latest: Jan 09 2022 at 16:49)
- finrank K (E.map f) = finrank K E (9 messages, latest: Jan 09 2022 at 13:41)
- First Time Contributing (62 messages, latest: Jan 08 2022 at 21:05)
- Problems with LEAN (15 messages, latest: Jan 08 2022 at 20:50)
- Updating some proofs to new mathlib (7 messages, latest: Jan 08 2022 at 11:30)
- avoid repetition in proofs (5 messages, latest: Jan 07 2022 at 18:57)
- ✔ feat & chore (14 messages, latest: Jan 07 2022 at 13:08)
- Problem with induction hypothesis (5 messages, latest: Jan 07 2022 at 03:14)
- Getting started with Lean4 (9 messages, latest: Jan 06 2022 at 15:59)
- Where to lookup math theories/conjectures etc.? (27 messages, latest: Jan 06 2022 at 14:02)
- ✔ unfold creating new hypothesis and induction failing (2 messages, latest: Jan 06 2022 at 12:19)
- can't install from git bash (9 messages, latest: Jan 06 2022 at 04:57)
- Lean Manual (1 message, latest: Jan 06 2022 at 02:58)
- ✔ cli args (1 message, latest: Jan 06 2022 at 00:45)
- ✔ Trouble with refl (17 messages, latest: Jan 05 2022 at 23:58)
- unfold creating new hypothesis and induction failing (4 messages, latest: Jan 05 2022 at 23:25)
- failed to define inductive datatype (6 messages, latest: Jan 05 2022 at 21:20)
- anonymous instance? (80 messages, latest: Jan 05 2022 at 20:47)
- Proving
(n: Nat) -> n < 0 -> False
in term mode (10 messages, latest: Jan 05 2022 at 20:12) - ✔ NNG down? (1 message, latest: Jan 05 2022 at 19:53)
- From autoformalization to automated porting? (5 messages, latest: Jan 05 2022 at 19:39)
- change induction basis (29 messages, latest: Jan 05 2022 at 18:35)
- NNG down? (2 messages, latest: Jan 05 2022 at 18:08)
- failed to unfold definition (8 messages, latest: Jan 05 2022 at 17:04)
- cli args (6 messages, latest: Jan 05 2022 at 17:00)
- ✔ Help with proof of De Morgan's (I think) (12 messages, latest: Jan 05 2022 at 13:22)
- constraints on pattern matching (7 messages, latest: Jan 05 2022 at 08:28)
- Ceva theorem, first try (4 messages, latest: Jan 05 2022 at 08:10)
- ✔ It's just add and sub? (1 message, latest: Jan 05 2022 at 02:46)
- ✔ (a/b).im = 0 (1 message, latest: Jan 05 2022 at 02:45)
- Image of finite-dimensional field is finite-dimensional (28 messages, latest: Jan 05 2022 at 00:45)
- import files with spaces (3 messages, latest: Jan 04 2022 at 22:36)
- (a/b).im = 0 (5 messages, latest: Jan 04 2022 at 21:43)
- ✔ language servers? (1 message, latest: Jan 04 2022 at 19:57)
- Trebor Huang (1 message, latest: Jan 04 2022 at 19:12)
- language servers? (87 messages, latest: Jan 04 2022 at 17:43)
- multiset : convert prod of pow to pow of sum (42 messages, latest: Jan 04 2022 at 16:48)
- typeclass instance resolution trouble… (29 messages, latest: Jan 04 2022 at 13:46)
- Comparing branches in GitHub (24 messages, latest: Jan 04 2022 at 13:27)
- Real to Float and computable numbers (7 messages, latest: Jan 04 2022 at 03:29)
- hi (15 messages, latest: Jan 04 2022 at 00:43)
- ✔ natural number game questions (2 messages, latest: Jan 03 2022 at 21:06)
- recurrence on fermat numbers (14 messages, latest: Jan 03 2022 at 20:36)
- natural number game questions (164 messages, latest: Jan 03 2022 at 18:51)
- ✔ about existential quantifier (5 messages, latest: Jan 03 2022 at 16:37)
- finding notations definitions (7 messages, latest: Jan 03 2022 at 14:42)
- distinguishing -1 : units int from 1 (31 messages, latest: Jan 03 2022 at 14:21)
- ✔ dite (2 messages, latest: Jan 03 2022 at 12:43)
- dite (8 messages, latest: Jan 03 2022 at 09:04)
rw
filling in variables (10 messages, latest: Jan 03 2022 at 08:21)- Exhaustively define matrix / function (5 messages, latest: Jan 03 2022 at 03:16)
ring
using hypothesis (11 messages, latest: Jan 02 2022 at 23:00)- Patrick Johnstone (mathematical optimizer) (99 messages, latest: Jan 02 2022 at 18:10)
- Why can't I prove that my type is a fintype? (17 messages, latest: Jan 02 2022 at 16:51)
- It's just add and sub? (8 messages, latest: Jan 02 2022 at 15:13)
- ✔ Proof transfer from antidiagonal to divisors_antidiagonal (2 messages, latest: Jan 02 2022 at 08:35)
- Proof transfer from antidiagonal to divisors_antidiagonal (2 messages, latest: Jan 02 2022 at 06:42)
- ✔ Property testing using Lean (4 messages, latest: Jan 02 2022 at 00:05)
- Disable extra characters (2 messages, latest: Jan 01 2022 at 23:15)
{a} = {b, c}
implesb = c
(7 messages, latest: Jan 01 2022 at 17:31)- extract a filtered-out element from a finset (6 messages, latest: Jan 01 2022 at 00:17)
- i proved stars and bars!!! (68 messages, latest: Dec 31 2021 at 18:35)
- Lean keeps crashing when editing mathlib (12 messages, latest: Dec 31 2021 at 18:02)
- 1 is not equal to zero? (27 messages, latest: Dec 31 2021 at 15:24)
- Converting proofs to term-style (11 messages, latest: Dec 30 2021 at 13:48)
- pattern matching prevents
refl
proof from working (8 messages, latest: Dec 29 2021 at 17:35) - Beginner to abstract math getting started with Lean (12 messages, latest: Dec 29 2021 at 13:48)
- ✔ Simple function lemma (3 messages, latest: Dec 29 2021 at 12:32)
- Simple function lemma (3 messages, latest: Dec 29 2021 at 12:12)
- Terminology - Group name for pure or applied λ-calculus (1 message, latest: Dec 29 2021 at 10:37)
- Rewriting inside quantifiers (15 messages, latest: Dec 28 2021 at 21:37)
- ✔ mul_comm fails (3 messages, latest: Dec 28 2021 at 21:05)
- Style question (5 messages, latest: Dec 28 2021 at 16:22)
- vector spaces (49 messages, latest: Dec 28 2021 at 14:30)
- ✔ Can I get the 'pointer' for a memoization hashtable (11 messages, latest: Dec 28 2021 at 07:03)
- ✔ Match and get value (as keyword in ocaml) (3 messages, latest: Dec 28 2021 at 03:00)
- ✔
simpa
not closing goal (1 message, latest: Dec 28 2021 at 00:36) - mul_comm fails (4 messages, latest: Dec 28 2021 at 00:35)
- Algebraic functions (3 messages, latest: Dec 27 2021 at 23:15)
simpa
not closing goal (10 messages, latest: Dec 27 2021 at 22:09)- Tony Wang (4 messages, latest: Dec 27 2021 at 17:20)
- Saintan Wu (7 messages, latest: Dec 27 2021 at 03:29)
- Error from the output of
tidy
(4 messages, latest: Dec 26 2021 at 09:36) - Lean vs Coq (22 messages, latest: Dec 26 2021 at 01:03)
- [Is using
cases
in tactic mode bad? (previously was a qu…](topic/Is.20using.20.60cases.60.20in.20tactic.20mode.20bad.3F.20(previously.20was.20a.20qu.2E.2E.2E.html) (6 messages, latest: Dec 24 2021 at 23:48) - ✔ Question on monotonicity (1 message, latest: Dec 24 2021 at 21:36)
- Finite field extension is obtained by adjoining basis (37 messages, latest: Dec 24 2021 at 17:26)
- two finsets of all of fin n are the same (8 messages, latest: Dec 24 2021 at 15:22)
- Question on monotonicity (5 messages, latest: Dec 24 2021 at 11:00)
- Mutual inductive families (25 messages, latest: Dec 24 2021 at 08:42)
- ✔ rewrite specific term (1 message, latest: Dec 23 2021 at 23:58)
- ✔ equivalent of Coq's "apply … in …" (11 messages, latest: Dec 23 2021 at 23:58)
- My comments on Natural number game (2 messages, latest: Dec 23 2021 at 23:23)
- intermediate_field.map_map (3 messages, latest: Dec 23 2021 at 21:11)
- Sort/filter PRs by CI status? (4 messages, latest: Dec 23 2021 at 20:09)
- Ring homomorphism of fields is injective (6 messages, latest: Dec 23 2021 at 19:44)
- topos (38 messages, latest: Dec 23 2021 at 14:37)
- ✔ I don't want to delete mathlib/src (5 messages, latest: Dec 23 2021 at 13:28)
- I don't want to delete mathlib/src (6 messages, latest: Dec 23 2021 at 13:19)
- rewrite specific term (10 messages, latest: Dec 23 2021 at 07:02)
- Finite field extension is fg (12 messages, latest: Dec 23 2021 at 06:49)
- monoid_hom type class error (2 messages, latest: Dec 23 2021 at 06:41)
- Finding where property holds (20 messages, latest: Dec 23 2021 at 01:38)
- Using properties of classes (6 messages, latest: Dec 22 2021 at 22:48)
- Proving recursive application is decreasing? (8 messages, latest: Dec 22 2021 at 21:34)
- How does lean enforce associativity consistency (2 messages, latest: Dec 22 2021 at 17:34)
- My first original result (24 messages, latest: Dec 22 2021 at 17:01)
- leftarrow (←) (6 messages, latest: Dec 22 2021 at 05:59)
- L^p-mean convergence of random variable sequences (4 messages, latest: Dec 22 2021 at 01:30)
- Still more homework help - subgroups (26 messages, latest: Dec 21 2021 at 15:32)
- Finite set is union of smaller set and singleton (6 messages, latest: Dec 21 2021 at 14:46)
- ✔ Using specific decidable instance in decidable proof (14 messages, latest: Dec 21 2021 at 11:06)
- Proof of non-instance (13 messages, latest: Dec 21 2021 at 10:19)
- ✔ Showing mutually inductive recursion is well founded (1 message, latest: Dec 21 2021 at 09:17)
- ✔ Write access (4 messages, latest: Dec 21 2021 at 01:31)
- ✔ "failed to revert" error when using the cases tactic (16 messages, latest: Dec 21 2021 at 01:27)
- one liner for quotient_induction (4 messages, latest: Dec 21 2021 at 00:23)
- ✔ Very awkard proof (4 messages, latest: Dec 20 2021 at 20:50)
- algebra K L implies algebra (polynomial K) (polynomial L) (12 messages, latest: Dec 20 2021 at 19:52)
- An .olean without the .lean?? (6 messages, latest: Dec 20 2021 at 14:58)
- Technical difficulties (11 messages, latest: Dec 20 2021 at 14:44)
- ✔ Unfold dot product (10 messages, latest: Dec 20 2021 at 12:58)
- Constructing a term of
finset
from function fromfin (n)
(19 messages, latest: Dec 20 2021 at 12:24) - Unfold dot product (3 messages, latest: Dec 20 2021 at 12:17)
- add_assoc fail (4 messages, latest: Dec 20 2021 at 07:15)
- How do I improve this terrible proof? (3 messages, latest: Dec 19 2021 at 17:15)
- frustrating Type error (6 messages, latest: Dec 19 2021 at 15:18)
- use ∀ k : α, ∃ (W : Type) … to get a "union" type? (15 messages, latest: Dec 19 2021 at 14:42)
- Bottom subalgebra over fields is finite-dimensional (9 messages, latest: Dec 19 2021 at 11:58)
- syntactic monoid (3 messages, latest: Dec 19 2021 at 08:42)
- deriving lift/coe for structure members. (17 messages, latest: Dec 18 2021 at 18:33)
- Waiting for lean server to start (38 messages, latest: Dec 18 2021 at 17:52)
- Questions about lemmas regarding images of sets/finsets (3 messages, latest: Dec 18 2021 at 14:10)
- set.mem_image vs finset.mem_image (17 messages, latest: Dec 18 2021 at 14:04)
- Emoji needed for - like it but have to work to understand it (28 messages, latest: Dec 18 2021 at 12:30)
- First contribution (19 messages, latest: Dec 18 2021 at 12:12)
- Linux setups (13 messages, latest: Dec 17 2021 at 23:50)
- inhabited list types. (7 messages, latest: Dec 17 2021 at 21:15)
- customize lean directory (15 messages, latest: Dec 17 2021 at 18:09)
- Compositum of finite field extension is finite (18 messages, latest: Dec 17 2021 at 17:27)
- ✔ Markdown with unicode math -> pdf (2 messages, latest: Dec 17 2021 at 16:30)
- Chapter 2 inspired error (19 messages, latest: Dec 17 2021 at 16:28)
- Markdown with unicode math -> pdf (5 messages, latest: Dec 17 2021 at 16:09)
- tracing simp (3 messages, latest: Dec 17 2021 at 16:02)
- Does lean have syntactic unification of first-order terms (2 messages, latest: Dec 17 2021 at 15:42)
- ✔ Ambiguous overload on tutorials 0054 (4 messages, latest: Dec 17 2021 at 14:23)
- How to know when classical reasoning is needed? (14 messages, latest: Dec 17 2021 at 02:05)
- Writing a decidability instance (35 messages, latest: Dec 16 2021 at 21:35)
- Vladimir Ivanov (3 messages, latest: Dec 16 2021 at 15:56)
- Including lean projects in other repos (8 messages, latest: Dec 16 2021 at 15:13)
- peek definition sometimes fails in VS code (5 messages, latest: Dec 16 2021 at 09:15)
- All decidable (16 messages, latest: Dec 16 2021 at 05:38)
- ✔ Error: motive is not type correct (11 messages, latest: Dec 15 2021 at 07:25)
- Error: motive is not type correct (1 message, latest: Dec 15 2021 at 04:12)
- Trying to prove a lemma about group topologies (36 messages, latest: Dec 14 2021 at 20:30)
- Unknown Identifier transR (8 messages, latest: Dec 14 2021 at 19:39)
- ✔ add_sub_cancel (13 messages, latest: Dec 14 2021 at 16:08)
- MetaMath and Lean (7 messages, latest: Dec 14 2021 at 14:08)
- Does ¬ (A ↔ ¬ A) require classical? (3 messages, latest: Dec 14 2021 at 14:01)
- behaviour of
linarith
(4 messages, latest: Dec 14 2021 at 13:56) - ✔ split_ifs and has_mem.mem (1 message, latest: Dec 14 2021 at 08:53)
- ¬ (p ↔ ¬ p) (100 messages, latest: Dec 13 2021 at 23:02)
- split_ifs and has_mem.mem (3 messages, latest: Dec 13 2021 at 21:34)
- Prove Mathemetical Function is Bijective (16 messages, latest: Dec 13 2021 at 18:43)
- ✔ nat.find h = n (5 messages, latest: Dec 13 2021 at 18:10)
- Curry-Howard Isomorphism (2 messages, latest: Dec 13 2021 at 14:16)
- A trick for Googling for Lean (2 messages, latest: Dec 13 2021 at 10:57)
- Existential quantifier and Sigma type (114 messages, latest: Dec 13 2021 at 10:52)
- ✔ More homework help (4 messages, latest: Dec 12 2021 at 23:02)
- Hello. (8 messages, latest: Dec 12 2021 at 18:14)
- unknown identifier 'finset.sum_erase_add' (24 messages, latest: Dec 12 2021 at 17:04)
- Trouble with mutual recursion termination (14 messages, latest: Dec 12 2021 at 13:50)
- ✔ covariant_class ℝ and ring_nf in calc (2 messages, latest: Dec 11 2021 at 17:20)
- covariant_class ℝ and ring_nf in calc (11 messages, latest: Dec 11 2021 at 17:04)
- More homework help (14 messages, latest: Dec 11 2021 at 16:12)
- Proof by infinite descent (6 messages, latest: Dec 11 2021 at 15:50)
- typo in Level 9 advanced addition world (4 messages, latest: Dec 11 2021 at 14:52)
- ✔ contribution: induction on polynomial degree (1 message, latest: Dec 11 2021 at 04:31)
- Formalising Peano axioms (16 messages, latest: Dec 10 2021 at 20:26)
- ✔ eq_of_ne_not (12 messages, latest: Dec 10 2021 at 12:48)
- ✔ TPIL confusion about dependent product (2 messages, latest: Dec 09 2021 at 23:27)
- Type error tensor product (24 messages, latest: Dec 09 2021 at 20:40)
- How to return a proof in a product. (8 messages, latest: Dec 09 2021 at 19:21)
- Help with Homework (8 messages, latest: Dec 09 2021 at 18:18)
- elaborator can't deduce type (5 messages, latest: Dec 09 2021 at 16:18)
- Apply syntax question (9 messages, latest: Dec 09 2021 at 16:12)
- TPIL confusion about dependent product (3 messages, latest: Dec 09 2021 at 16:07)
- what does
export
do? (2 messages, latest: Dec 09 2021 at 15:27) - ✔ complete_lattice.Inf and nat.find (3 messages, latest: Dec 09 2021 at 13:59)
- OrgPage (a selfstudy material) for Lean (11 messages, latest: Dec 09 2021 at 13:46)
- complete_lattice.Inf and nat.find (9 messages, latest: Dec 09 2021 at 11:55)
- contribution: induction on polynomial degree (30 messages, latest: Dec 09 2021 at 11:36)
- Smooth varieties are smooth manifolds (48 messages, latest: Dec 09 2021 at 01:13)
- Where to PR a proof? (19 messages, latest: Dec 08 2021 at 20:11)
- functions with pairs as arguments (7 messages, latest: Dec 08 2021 at 19:56)
- finsupp.support_erase (31 messages, latest: Dec 08 2021 at 18:37)
- Angle brackets (31 messages, latest: Dec 08 2021 at 17:05)
- angle brackets (5 messages, latest: Dec 08 2021 at 16:51)
- Can #check show reduction steps? (7 messages, latest: Dec 08 2021 at 15:31)
- ✔ Applying a function to both sides of an equation (3 messages, latest: Dec 08 2021 at 14:48)
- ✔ Prove non-emptiness of several sets (5 messages, latest: Dec 08 2021 at 11:54)
- Prove non-emptiness of several sets (3 messages, latest: Dec 08 2021 at 10:59)
- Applying a function to both sides of an equation (3 messages, latest: Dec 08 2021 at 05:48)
- question about bool vs Prop (29 messages, latest: Dec 07 2021 at 21:03)
- Troubleshooting mathlib (7 messages, latest: Dec 07 2021 at 20:31)
- ✔ return limit of convergent sequence (1 message, latest: Dec 07 2021 at 19:01)
- Confused about parameters (7 messages, latest: Dec 07 2021 at 17:09)
- computing rat.num (16 messages, latest: Dec 07 2021 at 15:46)
- ✔ Modify a hypothesis referenced by
classical.some
(1 message, latest: Dec 07 2021 at 13:28) - Introducing myself: Jeremy Teitelbaum (5 messages, latest: Dec 07 2021 at 12:46)
- Modify a hypothesis referenced by
classical.some
(24 messages, latest: Dec 07 2021 at 10:18) - le_succ_self (6 messages, latest: Dec 07 2021 at 01:26)
- Natural number game has duplicated world? (4 messages, latest: Dec 06 2021 at 21:34)
- passing to the quotient via surjective maps (33 messages, latest: Dec 06 2021 at 20:57)
- Reflection Group In A Vector Space (55 messages, latest: Dec 06 2021 at 19:46)
- ✔ [app_builder] invalid motive (4 messages, latest: Dec 06 2021 at 17:00)
- [app_builder] invalid motive (13 messages, latest: Dec 06 2021 at 16:11)
- Can Zulip linkify words be used here? (3 messages, latest: Dec 06 2021 at 12:25)
- maze tactic? (8 messages, latest: Dec 06 2021 at 10:52)
- mul_aut and mul_hom (9 messages, latest: Dec 06 2021 at 07:35)
- Use of leanpkg (2 messages, latest: Dec 06 2021 at 00:21)
- return limit of convergent sequence (18 messages, latest: Dec 05 2021 at 21:34)
- coercions and lambda-terms (10 messages, latest: Dec 05 2021 at 20:40)
- Random projection on subspace (4 messages, latest: Dec 05 2021 at 20:12)
- What does rintros and hk mean? (26 messages, latest: Dec 05 2021 at 15:36)
- ✔
subst
fails (2 messages, latest: Dec 05 2021 at 07:26) - Unexpected pattern matching behaviour (34 messages, latest: Dec 05 2021 at 04:31)
- ✔ rw can't find pattern (2 messages, latest: Dec 05 2021 at 04:18)
- rw can't find pattern (4 messages, latest: Dec 05 2021 at 04:06)
- Rewrite subterm in expression (19 messages, latest: Dec 05 2021 at 04:02)
subst
fails (23 messages, latest: Dec 04 2021 at 23:34)- Showing mutually inductive recursion is well founded (61 messages, latest: Dec 03 2021 at 23:28)
- ✔ Potential pattern matching bug? (1 message, latest: Dec 03 2021 at 23:27)
- ✔ Is there a better way to define this? (category theory) (5 messages, latest: Dec 03 2021 at 17:56)
- abel less powerful than it used to be (36 messages, latest: Dec 03 2021 at 17:49)
- Is there a better way to define this? (category theory) (6 messages, latest: Dec 03 2021 at 17:16)
- local scope definition? (6 messages, latest: Dec 03 2021 at 16:33)
- Sebastian Zivota (35 messages, latest: Dec 03 2021 at 15:27)
- What should I do before I start working on something? (14 messages, latest: Dec 03 2021 at 14:31)
- have trouble running leanproject (13 messages, latest: Dec 03 2021 at 05:15)
- tactic with one "input" (8 messages, latest: Dec 02 2021 at 19:38)
- zsmul lemmas (7 messages, latest: Dec 02 2021 at 16:31)
- ✔ small contribution to mathlib? (3 messages, latest: Dec 02 2021 at 14:16)
- ✔ Goodstein function (2 messages, latest: Dec 02 2021 at 10:54)
- small contribution to mathlib? (8 messages, latest: Dec 02 2021 at 08:35)
- File io in Lean 3 (16 messages, latest: Dec 02 2021 at 00:31)
- turing machine proof (20 messages, latest: Dec 01 2021 at 21:22)
- ✔ How to find universal properties? (3 messages, latest: Dec 01 2021 at 19:36)
- How to find universal properties? (6 messages, latest: Dec 01 2021 at 13:18)
- ✔ Contributing to mathlib (write access to branches) (1 message, latest: Dec 01 2021 at 00:58)
- Level selector in Natural Number game fails in brave browser (9 messages, latest: Dec 01 2021 at 00:30)
- Contributing to mathlib (write access to branches) (2 messages, latest: Dec 01 2021 at 00:13)
- ✔ Adding a dependency to an existing PR (2 messages, latest: Nov 30 2021 at 18:16)
- Adding a dependency to an existing PR (3 messages, latest: Nov 30 2021 at 17:55)
- ✔ list instances (6 messages, latest: Nov 30 2021 at 16:56)
- list instances (1 message, latest: Nov 30 2021 at 16:09)
- Potential pattern matching bug? (10 messages, latest: Nov 30 2021 at 12:54)
- subtypes / restrictions (9 messages, latest: Nov 30 2021 at 11:16)
- Show specific set forms a subspace iff some condition holds (18 messages, latest: Nov 30 2021 at 11:01)
- Advent of code in Lean (22 messages, latest: Nov 30 2021 at 10:02)
- ✔ Simplying implicit arguments (5 messages, latest: Nov 29 2021 at 21:48)
- syntax question about lambda (1 message, latest: Nov 29 2021 at 09:12)
- ✔ PR with dependencies (5 messages, latest: Nov 29 2021 at 03:51)
- ✔ Thanks! (6 messages, latest: Nov 29 2021 at 03:20)
- ✔ Lean 4's new proof syntax (a beginner's perspective) (1 message, latest: Nov 28 2021 at 18:25)
- ✔ Struct projector (2 messages, latest: Nov 28 2021 at 15:32)
- Struct projector (2 messages, latest: Nov 28 2021 at 15:08)
- Lean 4's new proof syntax (a beginner's perspective) (7 messages, latest: Nov 28 2021 at 12:39)
- Eliminating
finish
(3 messages, latest: Nov 28 2021 at 12:38) - ✔ Given
a<b
, replaceb
withb.succ
(12 messages, latest: Nov 28 2021 at 09:55) - ✔ contrapositive (5 messages, latest: Nov 28 2021 at 00:02)
- ✔ leanproject build (1 message, latest: Nov 27 2021 at 22:54)
- leanproject build (12 messages, latest: Nov 27 2021 at 16:40)
- Inequality from inequality (5 messages, latest: Nov 27 2021 at 11:47)
- When do universes higher than Type 0 become usefull? (34 messages, latest: Nov 26 2021 at 22:33)
- conj (complex conjugation) (6 messages, latest: Nov 26 2021 at 21:00)
- Prime factorizations (16 messages, latest: Nov 26 2021 at 20:28)
- termination_by (5 messages, latest: Nov 26 2021 at 15:08)
- mathlib workflow (23 messages, latest: Nov 26 2021 at 14:53)
- function definition by uniqueness (5 messages, latest: Nov 26 2021 at 09:58)
- Strictly increasing finite sequence (24 messages, latest: Nov 26 2021 at 05:58)
- Goodstein function (12 messages, latest: Nov 25 2021 at 11:18)
- Defining a table type (9 messages, latest: Nov 25 2021 at 06:14)
- ✔ Silent error (5 messages, latest: Nov 24 2021 at 18:41)
- Unknown identifier in recursive function call (9 messages, latest: Nov 24 2021 at 16:39)
- structures, subtypes, coercions and rw (103 messages, latest: Nov 24 2021 at 15:54)
- Is this automatic type rewriting? (18 messages, latest: Nov 24 2021 at 12:53)
- ✔ 'unreachable' code was reached (2 messages, latest: Nov 24 2021 at 09:25)
- 'unreachable' code was reached (13 messages, latest: Nov 24 2021 at 08:13)
- term mode partial function correctness proof? (16 messages, latest: Nov 22 2021 at 19:13)
- char_p for quotients by ideals (30 messages, latest: Nov 22 2021 at 13:07)
- ✔ Where is the
use
tactic? (10 messages, latest: Nov 22 2021 at 06:02) - struct equality (3 messages, latest: Nov 21 2021 at 23:58)
- recursive function on finset (26 messages, latest: Nov 21 2021 at 22:23)
- ✔ recursive function on finset (3 messages, latest: Nov 21 2021 at 19:34)
- ✔ Partial structure constructor (5 messages, latest: Nov 21 2021 at 15:40)
- "Does Theorem A depend on Theorem B?" (16 messages, latest: Nov 21 2021 at 12:44)
- ✔ But is it a valid proof? (3 messages, latest: Nov 21 2021 at 03:05)
- But is it a valid proof? (1 message, latest: Nov 21 2021 at 02:20)
- ✔ Where is data.real.basic? (1 message, latest: Nov 21 2021 at 02:16)
- Where is data.real.basic? (4 messages, latest: Nov 21 2021 at 00:24)
- ✔ Type def in kernel (2 messages, latest: Nov 20 2021 at 19:50)
- ✔ Disjunctions in "Theorem Proving in Lean 4" (4 messages, latest: Nov 20 2021 at 18:50)
- Disjunctions in "Theorem Proving in Lean 4" (1 message, latest: Nov 20 2021 at 18:09)
- ✔ Odd resolution of goal in natural numbers game (1 message, latest: Nov 20 2021 at 15:14)
- ✔ simplify vector expressions? (21 messages, latest: Nov 20 2021 at 10:48)
- Type def in kernel (5 messages, latest: Nov 20 2021 at 05:51)
- Odd resolution of goal in natural numbers game (4 messages, latest: Nov 20 2021 at 00:09)
- ✔ Implicitly bringing structure field props into context (1 message, latest: Nov 19 2021 at 18:41)
- ✔ working around 'invalid simplification lemma' (2 messages, latest: Nov 19 2021 at 15:40)
- working around 'invalid simplification lemma' (3 messages, latest: Nov 19 2021 at 15:02)
- Lean as a programming language (13 messages, latest: Nov 19 2021 at 05:11)
- simplify vector expressions? (6 messages, latest: Nov 19 2021 at 04:34)
- ✔ Inducting directly on recursive calls (12 messages, latest: Nov 19 2021 at 02:06)
- Inducting directly on recursive calls (10 messages, latest: Nov 19 2021 at 01:53)
- Bounded bilinear forms (25 messages, latest: Nov 18 2021 at 16:05)
- Proof of Euler's product formula for totient (51 messages, latest: Nov 18 2021 at 09:38)
- ✔ Let tactic (2 messages, latest: Nov 18 2021 at 04:07)
- ✔ How to prove a match is exhaustive (or similar) (2 messages, latest: Nov 18 2021 at 03:14)
- How to prove a match is exhaustive (or similar) (4 messages, latest: Nov 18 2021 at 03:04)
- Let tactic (7 messages, latest: Nov 17 2021 at 22:06)
- mul_one (24 messages, latest: Nov 17 2021 at 18:19)
- New to Lean, getting confusing error message (66 messages, latest: Nov 17 2021 at 13:12)
- ✔ Definite description operator (2 messages, latest: Nov 17 2021 at 03:28)
- Implicitly bringing structure field props into context (66 messages, latest: Nov 17 2021 at 00:17)
- ✔ induction on a function of a variable (6 messages, latest: Nov 17 2021 at 00:04)
- ✔ Deconstructing arguments in sum or product indices (6 messages, latest: Nov 16 2021 at 23:37)
- ✔ Getting a proof of a proposition in a function by cases (3 messages, latest: Nov 16 2021 at 23:13)
- Getting a proof of a proposition in a function by cases (1 message, latest: Nov 16 2021 at 23:11)
- Exists witness in a def (4 messages, latest: Nov 16 2021 at 21:44)
- ✔ Type alias without creating a new type (8 messages, latest: Nov 16 2021 at 21:42)
- Word in reduced form (6 messages, latest: Nov 16 2021 at 21:36)
- (slight) terminological inconsistency in mem_Union, … ? (3 messages, latest: Nov 16 2021 at 17:36)
- Definite description operator (17 messages, latest: Nov 16 2021 at 12:49)
- Permutation groups - coercions from nat to (fin n) (15 messages, latest: Nov 16 2021 at 11:05)
- add_one_le_exp (2 messages, latest: Nov 16 2021 at 04:25)
- ✔ Symplectic Linear Algebra (1 message, latest: Nov 15 2021 at 23:16)
- Type alias without creating a new type (4 messages, latest: Nov 15 2021 at 19:08)
- Uniqueness of inductive types (8 messages, latest: Nov 15 2021 at 17:12)
- ✔ Infer the most general type (3 messages, latest: Nov 15 2021 at 13:17)
- Infer the most general type (10 messages, latest: Nov 14 2021 at 20:15)
- algorithmic information theory (109 messages, latest: Nov 14 2021 at 16:45)
- building reals with quasi-morphisms (68 messages, latest: Nov 14 2021 at 11:45)
- partition basics (59 messages, latest: Nov 14 2021 at 00:57)
- ✔ variable declaration (23 messages, latest: Nov 14 2021 at 00:38)
- List of available theorems (2 messages, latest: Nov 14 2021 at 00:26)
- Symplectic Linear Algebra (18 messages, latest: Nov 13 2021 at 22:00)
- ✔ list.hd (4 messages, latest: Nov 13 2021 at 19:39)
- ✔ Induction tactic creates underscores in goal (5 messages, latest: Nov 13 2021 at 17:13)
- set unions (6 messages, latest: Nov 13 2021 at 09:58)
- (no topic) (91 messages, latest: Nov 12 2021 at 19:53)
- use proof in function (10 messages, latest: Nov 12 2021 at 14:20)
- ✔ unfolding structures (5 messages, latest: Nov 11 2021 at 18:02)
- ✔ unfold tactic fails (3 messages, latest: Nov 11 2021 at 09:58)
- algebraic topology (16 messages, latest: Nov 11 2021 at 06:29)
- unfold tactic fails (5 messages, latest: Nov 11 2021 at 05:37)
- maximum class-instance resolution depth has been reached (24 messages, latest: Nov 10 2021 at 17:19)
- Proof by contradiction (63 messages, latest: Nov 10 2021 at 13:31)
- Pattern matching behavior with variables? (6 messages, latest: Nov 09 2021 at 23:15)
- Nonstandard analysis (7 messages, latest: Nov 09 2021 at 15:46)
- ✔
<
into≤
(7 messages, latest: Nov 09 2021 at 06:28) - Unknown identifier in custom tactic (12 messages, latest: Nov 08 2021 at 23:49)
- Game Theory (19 messages, latest: Nov 08 2021 at 21:02)
- Rational between two reals (41 messages, latest: Nov 08 2021 at 15:55)
- Lean Internals (4 messages, latest: Nov 08 2021 at 12:28)
- New member (30 messages, latest: Nov 08 2021 at 08:34)
- VS Code (50 messages, latest: Nov 08 2021 at 02:44)
- ✔ rw in a sum (13 messages, latest: Nov 07 2021 at 22:22)
- rw in a sum (14 messages, latest: Nov 07 2021 at 22:07)
- ✔ term extraction (3 messages, latest: Nov 07 2021 at 21:36)
- term extraction (10 messages, latest: Nov 07 2021 at 20:56)
- equivalent definitions of substitution in lambda calculus (4 messages, latest: Nov 07 2021 at 20:03)
- inductively defined propositions in set theory (3 messages, latest: Nov 07 2021 at 19:15)
- Reasoning about ML, control systems (3 messages, latest: Nov 06 2021 at 16:53)
- Lean discord (10 messages, latest: Nov 06 2021 at 15:03)
- ✔ | character (5 messages, latest: Nov 06 2021 at 00:19)
- | character (1 message, latest: Nov 05 2021 at 21:48)
- cardinality of image set of a function (3 messages, latest: Nov 05 2021 at 21:31)
- Abbreviation (14 messages, latest: Nov 05 2021 at 18:17)
- have and let (4 messages, latest: Nov 05 2021 at 18:13)
- "Fibers" of a Sigma type (37 messages, latest: Nov 05 2021 at 17:56)
- More on minimum naturals (6 messages, latest: Nov 05 2021 at 08:51)
- variable not visible within lemma (2 messages, latest: Nov 05 2021 at 04:40)
- Span and restriction of scalars (20 messages, latest: Nov 04 2021 at 17:23)
- API reference (13 messages, latest: Nov 04 2021 at 13:17)
- sections vs namespaces (4 messages, latest: Nov 04 2021 at 11:40)
- Canonical way to get minimum element of set of naturals (10 messages, latest: Nov 04 2021 at 06:25)
- use efficiently #reduce inside of tactics mode? (15 messages, latest: Nov 03 2021 at 23:07)
- Simplifiying expression involving substraction and modulo (11 messages, latest: Nov 03 2021 at 23:04)
- ✔ Natural Number Game Dev (3 messages, latest: Nov 03 2021 at 04:07)
- dependent type theory (14 messages, latest: Nov 03 2021 at 03:53)
- Order reversing bijection on fin n (12 messages, latest: Nov 02 2021 at 00:28)
- ✔ forgetting variables (8 messages, latest: Nov 01 2021 at 12:17)
- sum of function with domain fin d (4 messages, latest: Oct 31 2021 at 21:16)
- ✔ ∀ x y z : A, x ≠ y → (x ≠ z ∨ y ≠ z) := (2 messages, latest: Oct 31 2021 at 13:08)
- ✔ Prove sequent (with disjunctions) is valid (2 messages, latest: Oct 30 2021 at 19:31)
- Prove sequent (with disjunctions) is valid (8 messages, latest: Oct 30 2021 at 18:53)
- Thanks for explaining how Lean4 parser works (1 message, latest: Oct 30 2021 at 12:46)
- What to read to learn logic? (31 messages, latest: Oct 29 2021 at 22:04)
- Using hypothesis with definition (3 messages, latest: Oct 29 2021 at 16:05)
- (¬¬ ∃ x : A, PP x) ↔ ∀ x : A, ¬¬ PP x (2 messages, latest: Oct 29 2021 at 14:18)
- ✔ (∃ x : A, true) → (∃ x:A, PP x) → ∀ x : A, PP x := (1 message, latest: Oct 29 2021 at 09:58)
- ✔ finding lemmas used by simp (5 messages, latest: Oct 29 2021 at 02:21)
- (∃ x : A, true) → (∃ x:A, PP x) → ∀ x : A, PP x := (18 messages, latest: Oct 28 2021 at 21:13)
- ∀ x y z : A, x ≠ y → (x ≠ z ∨ y ≠ z) := (17 messages, latest: Oct 28 2021 at 18:44)
- ✔ Hole commands (12 messages, latest: Oct 28 2021 at 17:48)
- ✔ Are things in Prop not considered data? (2 messages, latest: Oct 28 2021 at 09:22)
- shadowing (23 messages, latest: Oct 28 2021 at 06:53)
- CNL-CIC (11 messages, latest: Oct 28 2021 at 01:12)
- Are things in Prop not considered data? (13 messages, latest: Oct 27 2021 at 21:23)
- ✔ from inclusion to belonging (7 messages, latest: Oct 27 2021 at 18:56)
- from inclusion to belonging (33 messages, latest: Oct 27 2021 at 17:13)
- ZFC in Mathlib (7 messages, latest: Oct 27 2021 at 07:57)
- #explode (2 messages, latest: Oct 27 2021 at 02:57)
- using lemmas (8 messages, latest: Oct 27 2021 at 02:43)
- Model Checking (3 messages, latest: Oct 26 2021 at 13:33)
- Controlled Natural Language (8 messages, latest: Oct 26 2021 at 11:50)
- ✔ cases with dependent types (4 messages, latest: Oct 26 2021 at 11:39)
- cases with dependent types (2 messages, latest: Oct 26 2021 at 11:08)
- math chatrooms (8 messages, latest: Oct 26 2021 at 09:23)
- hypothesis or implication (17 messages, latest: Oct 26 2021 at 08:45)
- Installation (64 messages, latest: Oct 26 2021 at 07:21)
- evaluating expressions within proofs (6 messages, latest: Oct 25 2021 at 23:38)
- tactics for propositional logic (13 messages, latest: Oct 25 2021 at 12:24)
- how to download tactic module (4 messages, latest: Oct 25 2021 at 04:45)
- ✔ Converting a sequent to Lean (2 messages, latest: Oct 24 2021 at 19:48)
- Converting a sequent to Lean (3 messages, latest: Oct 24 2021 at 18:40)
- .some things are equal (7 messages, latest: Oct 24 2021 at 16:15)
- typo in exercise 4.3? (10 messages, latest: Oct 24 2021 at 15:56)
- Introducing myself: Yuma Mizuno (4 messages, latest: Oct 23 2021 at 22:49)
- Discord invite (1 message, latest: Oct 22 2021 at 18:06)
- supply implicit argument? (22 messages, latest: Oct 22 2021 at 06:32)
- Hello + adding list lemmas (7 messages, latest: Oct 22 2021 at 04:07)
- append new term to both sides (3 messages, latest: Oct 22 2021 at 00:02)
- unable to create new function (8 messages, latest: Oct 21 2021 at 23:44)
- 'Prop' in definitions (21 messages, latest: Oct 21 2021 at 17:19)
- Having nat as a goal (14 messages, latest: Oct 21 2021 at 08:01)
- about PR (65 messages, latest: Oct 20 2021 at 15:08)
- Not solved by linarith (12 messages, latest: Oct 20 2021 at 08:47)
- permission to push branch (12 messages, latest: Oct 19 2021 at 22:31)
- Search for notation (25 messages, latest: Oct 19 2021 at 21:53)
- failed to synthesize type class instance (27 messages, latest: Oct 19 2021 at 20:30)
- ✔ How to reorder goals? (8 messages, latest: Oct 18 2021 at 22:24)
- proving lemmas about infi (18 messages, latest: Oct 18 2021 at 16:47)
- ✔ How to reduce
rec
(9 messages, latest: Oct 18 2021 at 01:43) - separating goals (11 messages, latest: Oct 17 2021 at 21:38)
- ✔ failed to prove recursive application is decreasing (1 message, latest: Oct 16 2021 at 15:07)
- linarith tactic understanding (15 messages, latest: Oct 16 2021 at 11:41)
- failed to prove recursive application is decreasing (12 messages, latest: Oct 16 2021 at 09:45)
- How to reduce
rec
(19 messages, latest: Oct 15 2021 at 23:22) - ✔ notation for isomorphisms (14 messages, latest: Oct 15 2021 at 19:04)
- Resources for HoTT in Lean (1 message, latest: Oct 15 2021 at 18:35)
- ✔ Whence subtype? (3 messages, latest: Oct 15 2021 at 16:44)
- ✔ Doubt in list type inference using #check (1 message, latest: Oct 15 2021 at 12:20)
- Doubt in list type inference using #check (3 messages, latest: Oct 15 2021 at 12:12)
- Whence subtype? (7 messages, latest: Oct 15 2021 at 11:59)
- n + 1 = n + 8 + 8 - 3 - 3 - 3 - 3 - 3 (18 messages, latest: Oct 15 2021 at 01:53)
- Natural Deduction (3 messages, latest: Oct 14 2021 at 22:08)
- Help with quantifiers (49 messages, latest: Oct 14 2021 at 22:00)
- PR Permission For Alex Zhao (2 messages, latest: Oct 14 2021 at 15:09)
- Failing to use a declared implicit variable (5 messages, latest: Oct 14 2021 at 14:24)
- What next? (38 messages, latest: Oct 14 2021 at 13:35)
- choose tactic (8 messages, latest: Oct 14 2021 at 08:44)
- unexpected pattern match fail (11 messages, latest: Oct 14 2021 at 07:13)
- ✔ list ℕ+ sum (5 messages, latest: Oct 13 2021 at 23:47)
- ✔ filtering on a predicate with quantifiers (1 message, latest: Oct 13 2021 at 23:25)
- notation for isomorphisms (46 messages, latest: Oct 13 2021 at 21:04)
- filtering on a predicate with quantifiers (23 messages, latest: Oct 13 2021 at 19:17)
- Natural Number game not responding (4 messages, latest: Oct 13 2021 at 10:59)
- Ishaan Verma (2 messages, latest: Oct 13 2021 at 10:09)
- upgrading from lean 3 to lean 4 (3 messages, latest: Oct 12 2021 at 22:53)
- Input Welcome (3 messages, latest: Oct 12 2021 at 19:32)
- Place I can talk about x? (3 messages, latest: Oct 12 2021 at 19:07)
- type class instance after ∀ (6 messages, latest: Oct 10 2021 at 09:40)
- Odd behavior of simp (3 messages, latest: Oct 10 2021 at 08:46)
- referring to instance fields (23 messages, latest: Oct 09 2021 at 08:01)
- constants and variables (32 messages, latest: Oct 08 2021 at 12:43)
- Starting a new project (24 messages, latest: Oct 08 2021 at 07:20)
- ✔ introduce a new variable (9 messages, latest: Oct 07 2021 at 20:26)
- ✔ inductively define the type of terms of a signature (2 messages, latest: Oct 06 2021 at 15:36)
- inductively define the type of terms of a signature (4 messages, latest: Oct 06 2021 at 14:25)
- Forward type proofs using fix-assume-show layout (9 messages, latest: Oct 06 2021 at 08:03)
- ✔ name collisions (9 messages, latest: Oct 05 2021 at 04:16)
- starting some algebraic number theory (12 messages, latest: Oct 04 2021 at 18:56)
- ✔ Lucy (2 messages, latest: Oct 04 2021 at 18:20)
- ✔ What is
simp
? (17 messages, latest: Oct 04 2021 at 16:49) - ✔ How to redefine standard notation? (6 messages, latest: Oct 04 2021 at 16:26)
- ✔ Group theory (2 messages, latest: Oct 04 2021 at 15:07)
- Group theory (108 messages, latest: Oct 04 2021 at 14:05)
- ✔ Quantifiers and type classes (1 message, latest: Oct 04 2021 at 11:38)
- How to redefine standard notation? (21 messages, latest: Oct 04 2021 at 09:10)
- Quantifiers and type classes (4 messages, latest: Oct 04 2021 at 09:01)
- ✔ Inference of an instance through a definition. (24 messages, latest: Oct 04 2021 at 08:03)
- Ignat (32 messages, latest: Oct 04 2021 at 07:08)
- Alex Meiburg (8 messages, latest: Oct 04 2021 at 03:57)
- ✔ Working with lambdas + "some" (2 messages, latest: Oct 03 2021 at 18:32)
- Working with lambdas + "some" (6 messages, latest: Oct 03 2021 at 18:07)
- Olive (1 message, latest: Oct 03 2021 at 15:43)
- ✔ Olive (3 messages, latest: Oct 03 2021 at 15:41)
- Lucy (5 messages, latest: Oct 03 2021 at 07:28)
- Proving that a type is inhabited (10 messages, latest: Oct 02 2021 at 21:29)
- ✔ Existence of a function as a goal (1 message, latest: Oct 02 2021 at 18:59)
- Existence of a function as a goal (2 messages, latest: Oct 02 2021 at 17:17)
- ✔ Equality of pairs (1 message, latest: Oct 02 2021 at 16:44)
- Equality of pairs (4 messages, latest: Oct 02 2021 at 10:18)
- Coend calculus in Lean (10 messages, latest: Oct 01 2021 at 22:13)
- Term rewriting for deduction system (5 messages, latest: Oct 01 2021 at 18:35)
- unknown identifier linarith and \R (22 messages, latest: Oct 01 2021 at 18:05)
- ✔ extracting information from hypothesis (10 messages, latest: Oct 01 2021 at 12:32)
- extracting information from hypothesis (4 messages, latest: Oct 01 2021 at 11:08)
- How to define a term assignment function (52 messages, latest: Sep 30 2021 at 18:10)
- Introduction and strange error (9 messages, latest: Sep 29 2021 at 20:03)
- Rewriting function calls with their definition (1 message, latest: Sep 29 2021 at 09:42)
- Logic and Proof solutions (3 messages, latest: Sep 29 2021 at 06:01)
- Logic and Proof course ETC and implicit pre requirements (10 messages, latest: Sep 28 2021 at 21:25)
- Mathlib on Raspberry Pi (i.e. arm architecture) (26 messages, latest: Sep 28 2021 at 17:02)
- An interpreter for set theory + first order logic (76 messages, latest: Sep 28 2021 at 05:04)
- ✔ Rewriting function calls with their definition (10 messages, latest: Sep 27 2021 at 09:41)
- ✔ Defining a list type with a no duplicates constraint (1 message, latest: Sep 26 2021 at 19:07)
- James Gallicchio (87 messages, latest: Sep 25 2021 at 02:58)
- ✔ Exdending an extension of a class (1 message, latest: Sep 24 2021 at 16:34)
- Online Makerspace (1 message, latest: Sep 24 2021 at 10:16)
- ✔ constructing a morphism in a category (5 messages, latest: Sep 23 2021 at 11:02)
- constructing a morphism in a category (5 messages, latest: Sep 23 2021 at 09:10)
- ✔ Reading usage from definitions (10 messages, latest: Sep 23 2021 at 08:41)
- syntax (89 messages, latest: Sep 23 2021 at 07:41)
- Introducing myself: John Burnham (27 messages, latest: Sep 23 2021 at 03:34)
- wico979 (4 messages, latest: Sep 22 2021 at 19:37)
- cases without losing previous ones (9 messages, latest: Sep 22 2021 at 19:37)
- Compiling Lean to binary (6 messages, latest: Sep 22 2021 at 19:13)
- ambiguous import on OpenBSD (14 messages, latest: Sep 22 2021 at 14:43)
- Reading usage from definitions (1 message, latest: Sep 22 2021 at 08:00)
- TPIL Chapter 4 Exercises (83 messages, latest: Sep 21 2021 at 09:21)
- repeat (125 messages, latest: Sep 21 2021 at 01:29)
- Apply contrapostive (13 messages, latest: Sep 20 2021 at 17:46)
- Exdending an extension of a class (6 messages, latest: Sep 20 2021 at 15:17)
- ✔ repeat (34 messages, latest: Sep 18 2021 at 23:02)
- Functional way to check if a value appears in the image (71 messages, latest: Sep 18 2021 at 21:27)
leanproject build
looses work (7 messages, latest: Sep 18 2021 at 07:54)- ✔ Extending a class (5 messages, latest: Sep 17 2021 at 18:15)
- Transfinite recursion (19 messages, latest: Sep 17 2021 at 17:52)
- A question about LEAN (13 messages, latest: Sep 17 2021 at 17:28)
- making a contribution (4 messages, latest: Sep 17 2021 at 10:27)
- ✔ rewrite within summation (7 messages, latest: Sep 17 2021 at 08:16)
- construct expression from infinite set (5 messages, latest: Sep 16 2021 at 19:34)
- ✔ different behaviour of linarith (2 messages, latest: Sep 16 2021 at 18:43)
- different behaviour of linarith (2 messages, latest: Sep 16 2021 at 16:13)
- Install via Micrsoft wigent (5 messages, latest: Sep 16 2021 at 14:36)
- ✔ Proving function defined via well founded recursion (14 messages, latest: Sep 16 2021 at 09:12)
- ["leanpkg build" generates only ".olean.lock" files](topic/.22leanpkg.20build.22.20generates.20only.20.22.2Eolean.2Elock.22.20files.html) (1 message, latest: Sep 16 2021 at 08:19)
- INTERNAL PANIC: out of memory (1 message, latest: Sep 16 2021 at 07:42)
- Proving function defined via well founded recursion (1 message, latest: Sep 16 2021 at 07:03)
- ✔ Error with rw tactic (6 messages, latest: Sep 16 2021 at 03:32)
- Error with rw tactic (15 messages, latest: Sep 16 2021 at 03:11)
- Contribute a project on Hadamard matrices (62 messages, latest: Sep 16 2021 at 02:51)
- ✔ Nested by_cases (8 messages, latest: Sep 16 2021 at 02:48)
- Extending a class (10 messages, latest: Sep 16 2021 at 00:52)
- ✔ go-to cardinality proof (8 messages, latest: Sep 15 2021 at 17:39)
- notation for a family of mul_actions (46 messages, latest: Sep 15 2021 at 16:53)
- direct proof (12 messages, latest: Sep 15 2021 at 15:49)
- ✔ Using filter (4 messages, latest: Sep 14 2021 at 17:00)
- leanproject (23 messages, latest: Sep 14 2021 at 14:22)
- Darren Chen (10 messages, latest: Sep 14 2021 at 01:37)
- Helping the type checker, propagating type equality (9 messages, latest: Sep 13 2021 at 15:00)
- ✔ if statements and less than or equal for nat. (1 message, latest: Sep 13 2021 at 08:41)
- Elham Mazaheri (9 messages, latest: Sep 13 2021 at 08:27)
- ✔ Set builder for finset (8 messages, latest: Sep 13 2021 at 08:01)
- Set builder for finset (3 messages, latest: Sep 13 2021 at 07:10)
- dfinsupp and pre (1 message, latest: Sep 13 2021 at 00:31)
- Infer typeclass from within structure (14 messages, latest: Sep 12 2021 at 23:49)
- powerset and subtypes (19 messages, latest: Sep 12 2021 at 21:23)
- memory usage with vscode, lean and mathlib (36 messages, latest: Sep 12 2021 at 15:27)
- VSCode - show more suggestions (26 messages, latest: Sep 12 2021 at 05:58)
- Error: don't know how to synthesize placeholder (6 messages, latest: Sep 11 2021 at 23:09)
- Need feedback on code (metric spaces) (8 messages, latest: Sep 11 2021 at 23:06)
- neg_eq_neg_one_mul (3 messages, latest: Sep 11 2021 at 22:58)
- Confusion about dependent types (4 messages, latest: Sep 10 2021 at 09:23)
- Introduce variable (7 messages, latest: Sep 10 2021 at 07:35)
- 'extraction'? (8 messages, latest: Sep 09 2021 at 23:59)
- ✔ Best way to calculate x + y + z = x + z + y (6 messages, latest: Sep 09 2021 at 23:58)
- Best way to calculate x + y + z = x + z + y (1 message, latest: Sep 09 2021 at 23:06)
- Tutorial Proof 0035 (15 messages, latest: Sep 09 2021 at 13:18)
- ✔ The king of France (2 messages, latest: Sep 09 2021 at 09:12)
- sub_lt_self_iff (4 messages, latest: Sep 09 2021 at 08:54)
- ✔ TPIL Errata (1 message, latest: Sep 09 2021 at 06:16)
- The king of France (51 messages, latest: Sep 08 2021 at 22:47)
- ✔ Exponantiating the Naturals (8 messages, latest: Sep 08 2021 at 20:09)
- Exponantiating the Naturals (4 messages, latest: Sep 08 2021 at 19:08)
- Prop := Sort 0 Motivation (67 messages, latest: Sep 08 2021 at 18:16)
- if statements and less than or equal for nat. (11 messages, latest: Sep 08 2021 at 16:03)
- ✔ Making lean reduce goals more aggressively (14 messages, latest: Sep 08 2021 at 15:59)
- equality for structures (11 messages, latest: Sep 07 2021 at 23:14)
- Defining a new term (10 messages, latest: Sep 07 2021 at 17:16)
- TPIL Errata (6 messages, latest: Sep 07 2021 at 16:08)
- How to get lemmas to typecheck (7 messages, latest: Sep 07 2021 at 14:30)
- ✔ Or.elim doesn't exist (25 messages, latest: Sep 07 2021 at 00:31)
- ✔ Philosophical question about [..] (6 messages, latest: Sep 06 2021 at 23:30)
- sums: a1 + a2 + … + an = b1 + b2 + .. bm (6 messages, latest: Sep 06 2021 at 18:09)
- ✔ Code not compiling (1 message, latest: Sep 06 2021 at 17:09)
- Membership of small finset (9 messages, latest: Sep 06 2021 at 16:44)
- Philosophical question about [..] (30 messages, latest: Sep 06 2021 at 11:02)
- ✔ Can't get olean cache (3 messages, latest: Sep 06 2021 at 01:52)
- Can't get olean cache (48 messages, latest: Sep 06 2021 at 00:33)
- ✔ How to get implicitly defined instances (2 messages, latest: Sep 05 2021 at 21:03)
- Self help during proofs (7 messages, latest: Sep 05 2021 at 18:44)
- How to get implicitly defined instances (6 messages, latest: Sep 05 2021 at 11:01)
- ✔ Could not find "Select Default Shell" (1 message, latest: Sep 05 2021 at 10:49)
- Contribute a project (54 messages, latest: Sep 04 2021 at 22:40)
- ✔ Using knowledge from pattern matching (7 messages, latest: Sep 04 2021 at 19:53)
- Using knowledge from pattern matching (7 messages, latest: Sep 04 2021 at 16:09)
- help with syntax (16 messages, latest: Sep 04 2021 at 06:36)
- partial functions and gluing (21 messages, latest: Sep 04 2021 at 00:21)
- Working on flat modules (8 messages, latest: Sep 03 2021 at 15:55)
- Code not compiling (25 messages, latest: Sep 03 2021 at 00:12)
- Another with_top diamond (16 messages, latest: Sep 02 2021 at 20:34)
- Exists in hypothesis (8 messages, latest: Sep 02 2021 at 18:44)
- lattices, linear orders and germs (10 messages, latest: Sep 02 2021 at 10:05)
- ring_nf changes goal twice (23 messages, latest: Sep 01 2021 at 16:46)
- Could not find "Select Default Shell" (6 messages, latest: Sep 01 2021 at 16:06)
- Troubles with coercion (11 messages, latest: Aug 31 2021 at 19:51)
- diamond (2 messages, latest: Aug 31 2021 at 14:19)
- simplifier (20 messages, latest: Aug 31 2021 at 13:52)
- Variable in goal gets renamed (3 messages, latest: Aug 31 2021 at 13:22)
- Looking to contribute Polish spaces (8 messages, latest: Aug 31 2021 at 09:18)
- Looking to contribute (13 messages, latest: Aug 31 2021 at 05:50)
- diamond on order of prod (5 messages, latest: Aug 31 2021 at 05:27)
- Hom(A, \emptyset) non-empty? (10 messages, latest: Aug 30 2021 at 21:11)
- fails_quickly times out (15 messages, latest: Aug 30 2021 at 20:05)
- Diamond in instances on
with_top R
(29 messages, latest: Aug 30 2021 at 16:44) - ✔ Why does
infinite_of_finite_compl
only accept univers… (5 messages, latest: Aug 30 2021 at 13:49) - ✔ Rewriting with an homogeneous heterogeneous equality (1 message, latest: Aug 30 2021 at 05:11)
- ✔ have+rw (20 messages, latest: Aug 29 2021 at 09:45)
- Rewriting with an homogeneous heterogeneous equality (7 messages, latest: Aug 29 2021 at 07:41)
- ✔ Argument vs antecedent (32 messages, latest: Aug 28 2021 at 15:00)
- Prove that my list size cannot increase (14 messages, latest: Aug 28 2021 at 12:11)
- Defining element, given its existence and uniqueness (24 messages, latest: Aug 28 2021 at 04:07)
- Decasting and distributing to simplify (12 messages, latest: Aug 27 2021 at 17:40)
- Ideals in a Dedekind domain form a
gcd_monoid
(18 messages, latest: Aug 27 2021 at 07:32) - num * num_inv = 1 (11 messages, latest: Aug 27 2021 at 01:00)
- have+rw (10 messages, latest: Aug 26 2021 at 16:09)
- Comparison to Coq/Isabelle-HOL? (4 messages, latest: Aug 26 2021 at 03:29)
- command 'lean.displayGoal' not found? (5 messages, latest: Aug 26 2021 at 01:14)
- term mode
set
(4 messages, latest: Aug 25 2021 at 14:22) - ✔ Not-contradiction where P cannot be true? (21 messages, latest: Aug 25 2021 at 03:02)
- sequence w/ many variables (35 messages, latest: Aug 24 2021 at 19:54)
- graph theory (9 messages, latest: Aug 24 2021 at 19:10)
- nonzero integer (13 messages, latest: Aug 24 2021 at 16:54)
- term mode equivalent of resetI? (6 messages, latest: Aug 24 2021 at 15:33)
- examples (73 messages, latest: Aug 24 2021 at 14:46)
- Can I define functions of this type? (15 messages, latest: Aug 24 2021 at 07:29)
- ✔ Formatting of Goals (Natrual Numbers Game Related) (5 messages, latest: Aug 24 2021 at 00:06)
- ✔ tutorial errors (4 messages, latest: Aug 23 2021 at 22:52)
- tutorial errors (10 messages, latest: Aug 23 2021 at 21:53)
- Natural Number Game definition of + (29 messages, latest: Aug 23 2021 at 18:15)
- attributes (48 messages, latest: Aug 23 2021 at 18:00)
- Code review request (11 messages, latest: Aug 23 2021 at 15:22)
- big_operator not starting from zero (8 messages, latest: Aug 23 2021 at 09:45)
- braid group (118 messages, latest: Aug 21 2021 at 21:23)
- function type (6 messages, latest: Aug 21 2021 at 19:21)
- finite field (48 messages, latest: Aug 21 2021 at 18:47)
- How to use Lean4 for an absolute beginner? (8 messages, latest: Aug 21 2021 at 04:58)
- 'open' error (7 messages, latest: Aug 21 2021 at 01:02)
- refl skip add_zero (24 messages, latest: Aug 20 2021 at 22:19)
- Sailor (1 message, latest: Aug 20 2021 at 21:20)
- Type mismatch at application (11 messages, latest: Aug 20 2021 at 12:50)
- "Pure" lists (2 messages, latest: Aug 20 2021 at 09:20)
- ✔ Starting with Lean: exists.elim complication (1 message, latest: Aug 20 2021 at 08:58)
- Reflection of z in a1 about a1 (5 messages, latest: Aug 20 2021 at 02:38)
- Show that z is in a1 (16 messages, latest: Aug 19 2021 at 18:36)
- Starting with Lean: exists.elim complication (9 messages, latest: Aug 19 2021 at 05:28)
- ✔ Generate the proof term (8 messages, latest: Aug 18 2021 at 12:23)
- propext contamination (14 messages, latest: Aug 18 2021 at 08:06)
- comment notation (8 messages, latest: Aug 17 2021 at 17:56)
- finset.univ.sum (11 messages, latest: Aug 17 2021 at 10:52)
- Introducing myself: María Inés de Frutos-Fernández (5 messages, latest: Aug 16 2021 at 11:24)
- Rewriting under the scope of a series of quantifiers (9 messages, latest: Aug 16 2021 at 08:39)
- trivial question on boolean logic (16 messages, latest: Aug 15 2021 at 17:16)
- List of elements all satisfying predicate (35 messages, latest: Aug 14 2021 at 10:07)
- Making a contribution to mathlib - lattice ordered groups (10 messages, latest: Aug 14 2021 at 08:04)
- Context for multiple examples (13 messages, latest: Aug 14 2021 at 00:02)
- JS version (7 messages, latest: Aug 13 2021 at 22:44)
- Formalising geometry exercises (18 messages, latest: Aug 13 2021 at 17:03)
- Ultra-noob set question (12 messages, latest: Aug 12 2021 at 21:41)
- proving identity (3 messages, latest: Aug 12 2021 at 07:24)
- Defining a list type with a no duplicates constraint (65 messages, latest: Aug 12 2021 at 06:56)
- input (4 messages, latest: Aug 11 2021 at 22:57)
- coercion from nnreal to ennreal (7 messages, latest: Aug 11 2021 at 22:55)
- How to prove 0 \neq 1 ? (8 messages, latest: Aug 11 2021 at 17:44)
- github access (40 messages, latest: Aug 11 2021 at 07:44)
- multiplicative set (33 messages, latest: Aug 11 2021 at 00:15)
- Lean keywords (9 messages, latest: Aug 10 2021 at 03:34)
- Tutorials Possible Example Error (4 messages, latest: Aug 09 2021 at 19:07)
- Something like
linarith
orring
for basic set theory? (11 messages, latest: Aug 09 2021 at 13:45) - ✔ latex (2 messages, latest: Aug 09 2021 at 11:56)
- simplify an equiv (3 messages, latest: Aug 09 2021 at 11:38)
- command not found (3 messages, latest: Aug 09 2021 at 09:11)
- Stuck again (15 messages, latest: Aug 08 2021 at 19:18)
- text (1 message, latest: Aug 08 2021 at 11:28)
- lagrange theorem declaration (19 messages, latest: Aug 08 2021 at 10:16)
- module has_scalar (3 messages, latest: Aug 07 2021 at 23:57)
- [beginner] unexpected behaviour of
rewrite
(7 messages, latest: Aug 07 2021 at 21:04) - Arthur Ryman (19 messages, latest: Aug 07 2021 at 20:35)
- ✔ Installation Issue (Mac) (6 messages, latest: Aug 07 2021 at 19:06)
- ✔ M40001 Sheet 1 (2 messages, latest: Aug 07 2021 at 15:15)
- M40001 Sheet 1 (5 messages, latest: Aug 07 2021 at 15:09)
- proving a mul_equiv (29 messages, latest: Aug 06 2021 at 22:42)
- help debugging variables (8 messages, latest: Aug 06 2021 at 22:29)
- ✔ Building documentation offline (2 messages, latest: Aug 06 2021 at 20:32)
- Building documentation offline (2 messages, latest: Aug 06 2021 at 12:18)
- ✔ long loading… (3 messages, latest: Aug 06 2021 at 11:21)
- ✔ Lean versions and Codewars (3 messages, latest: Aug 06 2021 at 10:20)
- Lean versions and Codewars (3 messages, latest: Aug 06 2021 at 10:12)
- Installation Issue (Mac) (3 messages, latest: Aug 06 2021 at 07:37)
- ✔ Definition of or.rec (2 messages, latest: Aug 05 2021 at 14:30)
- ~transitive closure~ of the "uses sorry" warning? (3 messages, latest: Aug 05 2021 at 14:08)
- ✔ Structure extends (6 messages, latest: Aug 05 2021 at 09:34)
- Structure extends (2 messages, latest: Aug 05 2021 at 08:57)
- Definition of or.rec (2 messages, latest: Aug 05 2021 at 05:00)
- help debugging (12 messages, latest: Aug 04 2021 at 19:04)
- proving a concrete equation (100 messages, latest: Aug 04 2021 at 16:28)
- ✔ getting epsilon neighborhood around a point (8 messages, latest: Aug 04 2021 at 10:44)
- ✔ problem with leanpkg.toml (3 messages, latest: Aug 04 2021 at 06:40)
- free_group is a quotient (9 messages, latest: Aug 03 2021 at 22:36)
- (solved) (1 message, latest: Aug 03 2021 at 20:37)
- Naming Conventions (25 messages, latest: Aug 03 2021 at 17:04)
- set vs subtype (53 messages, latest: Aug 02 2021 at 12:59)
- Starting out with Lean (11 messages, latest: Aug 01 2021 at 22:16)
- Defining z.arg using modulus (30 messages, latest: Aug 01 2021 at 11:58)
- unknown identifier use (7 messages, latest: Aug 01 2021 at 10:38)
- My first project: help with coercion? (15 messages, latest: Jul 31 2021 at 22:36)
- ✔ Declaring a Structure with Different Types (5 messages, latest: Jul 30 2021 at 19:33)
- Cast exercise (26 messages, latest: Jul 30 2021 at 13:13)
- philosophy and univalence (2 messages, latest: Jul 29 2021 at 20:35)
- PR permission (71 messages, latest: Jul 29 2021 at 16:03)
- ✔ Simple tactic using
with
(2 messages, latest: Jul 29 2021 at 15:35) - Simple tactic using
with
(35 messages, latest: Jul 29 2021 at 15:10) - product/sum of positive reals is positive (5 messages, latest: Jul 29 2021 at 13:30)
- n-ary maximum (12 messages, latest: Jul 29 2021 at 12:17)
- Goal equal to hypothesis (fuction expected) (12 messages, latest: Jul 29 2021 at 11:12)
- ✔ Some newbie questions (1 message, latest: Jul 29 2021 at 08:24)
le_inv_mul_of_mul_le
for reals (6 messages, latest: Jul 29 2021 at 06:46)- Some newbie questions (5 messages, latest: Jul 29 2021 at 02:25)
- function properties (12 messages, latest: Jul 28 2021 at 20:33)
- union of subgroups is the group (40 messages, latest: Jul 28 2021 at 14:15)
- declaration contains local constants (4 messages, latest: Jul 28 2021 at 11:59)
- VS Code help (4 messages, latest: Jul 28 2021 at 09:15)
- [decidable (∃ a, f a = b)] in extend_def (35 messages, latest: Jul 27 2021 at 00:49)
- direct product of groups (4 messages, latest: Jul 26 2021 at 14:27)
- lecture notes (19 messages, latest: Jul 26 2021 at 14:19)
- IMO 2021 Q1 (9 messages, latest: Jul 26 2021 at 07:01)
- ✔ Finding a contradiction (5 messages, latest: Jul 25 2021 at 20:27)
- Finding a contradiction (10 messages, latest: Jul 25 2021 at 19:01)
- ✔ Proving an inequality (10 messages, latest: Jul 25 2021 at 17:42)
- Type classes to bundled structures (17 messages, latest: Jul 25 2021 at 17:13)
- ✔ 3 < pi (10 messages, latest: Jul 25 2021 at 17:01)
- Decasting variables (13 messages, latest: Jul 25 2021 at 16:01)
- ✔ Structural recursion cannot be used (1 message, latest: Jul 25 2021 at 11:20)
- ✔ Commutativity of div_eq_mul_inv (7 messages, latest: Jul 24 2021 at 23:22)
- Commutativity of div_eq_mul_inv (12 messages, latest: Jul 24 2021 at 23:05)
- type synonym (12 messages, latest: Jul 24 2021 at 22:45)
- ✔ conj_lie * conj_lie (1 message, latest: Jul 24 2021 at 21:33)
- conj_lie * conj_lie (2 messages, latest: Jul 24 2021 at 21:03)
- failed to generate instance (2 messages, latest: Jul 24 2021 at 17:05)
- failed to use
unit
(16 messages, latest: Jul 24 2021 at 16:56) - induction tactic failed (39 messages, latest: Jul 24 2021 at 16:10)
- formulization (5 messages, latest: Jul 24 2021 at 15:35)
- equivalence classes and quotients (10 messages, latest: Jul 23 2021 at 09:07)
- Using mul_assoc on middle values (5 messages, latest: Jul 23 2021 at 03:18)
- Dealing with Type Coercion (7 messages, latest: Jul 22 2021 at 23:04)
- Structural recursion cannot be used (10 messages, latest: Jul 22 2021 at 15:31)
- Inductive type nesting (27 messages, latest: Jul 22 2021 at 08:49)
- ✔ unexpected congr behaviour (5 messages, latest: Jul 21 2021 at 22:53)
- Sort (4 messages, latest: Jul 21 2021 at 22:14)
- Integer def (7 messages, latest: Jul 21 2021 at 22:11)
- subgroup of abelian group is normal (7 messages, latest: Jul 21 2021 at 16:57)
- Latest getting-started info (8 messages, latest: Jul 21 2021 at 16:28)
- Lean to Latex (11 messages, latest: Jul 21 2021 at 16:26)
- creating lists (14 messages, latest: Jul 21 2021 at 10:55)
- fin_sum/fin_prod (21 messages, latest: Jul 21 2021 at 10:32)
- card (66 messages, latest: Jul 21 2021 at 08:05)
- ✔ [app_builder] failed to create an 'sizeof'-application (3 messages, latest: Jul 21 2021 at 07:40)
- the order of goals (12 messages, latest: Jul 20 2021 at 22:03)
- instance and show_term (21 messages, latest: Jul 20 2021 at 17:27)
- Letting simp know about hom_inv_id' (12 messages, latest: Jul 20 2021 at 15:27)
- [app_builder] failed to create an 'sizeof'-application (3 messages, latest: Jul 20 2021 at 12:02)
- What code does a simple theorem create? (27 messages, latest: Jul 20 2021 at 02:16)
- rewrite tactic failed, motive is not type correct (22 messages, latest: Jul 19 2021 at 17:55)
- Lean Server Returning Empty Responses? (15 messages, latest: Jul 19 2021 at 16:28)
- finset/fintype (4 messages, latest: Jul 19 2021 at 15:30)
- Mutual inductive family (1 message, latest: Jul 19 2021 at 10:57)
- tactic help (7 messages, latest: Jul 19 2021 at 02:28)
- pattern match basics (4 messages, latest: Jul 19 2021 at 02:03)
- ✔ tactic help (6 messages, latest: Jul 19 2021 at 01:31)
- finset.prod (10 messages, latest: Jul 19 2021 at 00:31)
- Dividing values to left side of equation (9 messages, latest: Jul 18 2021 at 20:06)
- set notation (49 messages, latest: Jul 18 2021 at 19:39)
- finsum/finprod (24 messages, latest: Jul 18 2021 at 19:35)
- Feature request: search box in the archive. (6 messages, latest: Jul 18 2021 at 17:23)
- coe_eq_self (6 messages, latest: Jul 18 2021 at 13:53)
- Understanding refl (31 messages, latest: Jul 18 2021 at 11:13)
- How to get rec_on from an inductive type? (9 messages, latest: Jul 18 2021 at 10:58)
- ✔ exists_unique (3 messages, latest: Jul 18 2021 at 07:52)
- problem with leanpkg.toml (21 messages, latest: Jul 18 2021 at 06:18)
- exists_unique (5 messages, latest: Jul 18 2021 at 06:11)
- ✔ Sum of elements in a finite set (1 message, latest: Jul 18 2021 at 05:08)
- finset.univ_eq_set_univ_to_finset (61 messages, latest: Jul 18 2021 at 02:12)
- Sum of elements in a finite set (4 messages, latest: Jul 18 2021 at 01:10)
- infoview (2 messages, latest: Jul 17 2021 at 22:04)
- instance inference (6 messages, latest: Jul 17 2021 at 17:05)
- ✔ complex-number-game import (1 message, latest: Jul 17 2021 at 11:24)
- complex-number-game import (3 messages, latest: Jul 17 2021 at 10:57)
- ✔ Rotation ≠ Reflection (8 messages, latest: Jul 17 2021 at 10:09)
- Induction on pnat (10 messages, latest: Jul 17 2021 at 09:07)
- ✔ tutorials 0010 (1 message, latest: Jul 17 2021 at 07:40)
- ✔ 0 ≤ d * d (1 message, latest: Jul 17 2021 at 07:40)
- ✔ tactics for
¬ option.some m = option.none
(1 message, latest: Jul 17 2021 at 07:39) - ✔ induction_ineq_nsqlefactn the hard way (1 message, latest: Jul 17 2021 at 07:39)
- Is lean the right tool for me (17 messages, latest: Jul 17 2021 at 01:17)
- Rotation ≠ Reflection (10 messages, latest: Jul 16 2021 at 23:39)
- coe one (4 messages, latest: Jul 16 2021 at 20:53)
- defining polynomials inside a polynomial ring. (7 messages, latest: Jul 16 2021 at 20:30)
- nth_rewrite without mathlib (14 messages, latest: Jul 16 2021 at 00:53)
- fintype.prod_dite (14 messages, latest: Jul 15 2021 at 20:35)
- No to_* on extended struct (4 messages, latest: Jul 15 2021 at 20:19)
- ✔ recursively defining binomial coefficients (2 messages, latest: Jul 15 2021 at 18:09)
- nat.smul_one_eq_coe (12 messages, latest: Jul 15 2021 at 14:43)
- recursively defining binomial coefficients (10 messages, latest: Jul 15 2021 at 13:04)
- exists.some is eq to itself (3 messages, latest: Jul 15 2021 at 11:40)
- Portmanteau theorem (104 messages, latest: Jul 15 2021 at 08:18)
- Existsi type mismatch between given term witness and… (7 messages, latest: Jul 14 2021 at 23:12)
- Ordered set (43 messages, latest: Jul 14 2021 at 18:36)
- basic set theory (18 messages, latest: Jul 14 2021 at 18:15)
- Default alternative (18 messages, latest: Jul 14 2021 at 18:15)
- download repository (10 messages, latest: Jul 14 2021 at 16:54)
- induction_ineq_nsqlefactn the hard way (38 messages, latest: Jul 14 2021 at 15:46)
- How to declare a finmap (4 messages, latest: Jul 14 2021 at 14:05)
- ✔ finset.map (equiv …) (5 messages, latest: Jul 14 2021 at 14:03)
- git pull (6 messages, latest: Jul 14 2021 at 11:32)
- Building up types (12 messages, latest: Jul 14 2021 at 09:06)
- tactics for
¬ option.some m = option.none
(10 messages, latest: Jul 14 2021 at 05:32) - Manipulating finsets (6 messages, latest: Jul 13 2021 at 20:01)
- structures, classes, etc? (14 messages, latest: Jul 13 2021 at 18:42)
- Reducible (98 messages, latest: Jul 13 2021 at 17:47)
- import fails (30 messages, latest: Jul 13 2021 at 11:10)
- file encoding (10 messages, latest: Jul 13 2021 at 09:17)
- update project (53 messages, latest: Jul 13 2021 at 09:15)
- infimum of bdd_below int set (7 messages, latest: Jul 12 2021 at 22:47)
- tactic (solved) (5 messages, latest: Jul 12 2021 at 18:40)
- tactics (26 messages, latest: Jul 12 2021 at 18:39)
- RSA (1 message, latest: Jul 12 2021 at 17:43)
- 0 ≤ d * d (4 messages, latest: Jul 12 2021 at 16:14)
- Rename structure projections (6 messages, latest: Jul 12 2021 at 14:52)
- a(cb)=a(bc) (6 messages, latest: Jul 12 2021 at 14:38)
- constructing modules in abstarct algebra (10 messages, latest: Jul 12 2021 at 14:22)
- Michael Shaw (66 messages, latest: Jul 12 2021 at 11:51)
- path (4 messages, latest: Jul 12 2021 at 11:39)
- Getting an existing Lean 3 project with leanproject (6 messages, latest: Jul 12 2021 at 09:00)
- tutorials 0010 (5 messages, latest: Jul 12 2021 at 09:00)
- Introducing myself: Jan Engler (5 messages, latest: Jul 12 2021 at 02:07)
- gptf (3 messages, latest: Jul 11 2021 at 20:14)
- Help with abbreviation / local notation (4 messages, latest: Jul 11 2021 at 18:10)
- library_search timeout (35 messages, latest: Jul 11 2021 at 16:01)
- Rewriting specific term (6 messages, latest: Jul 11 2021 at 15:44)
- Complex Conjugate of a natural number (7 messages, latest: Jul 11 2021 at 15:38)
- and (16 messages, latest: Jul 11 2021 at 12:52)
- Focus on one or-case (2 messages, latest: Jul 11 2021 at 08:48)
- Ideal membership in multivariate polynomial rings (8 messages, latest: Jul 11 2021 at 00:49)
- has_coe (30 messages, latest: Jul 10 2021 at 11:20)
- injection and surjection (11 messages, latest: Jul 10 2021 at 10:17)
- namespace (7 messages, latest: Jul 10 2021 at 09:04)
- New to Lean, is there a way for me to help out? (2 messages, latest: Jul 10 2021 at 07:25)
- trivial kernel of injective monoid_hom (5 messages, latest: Jul 10 2021 at 04:54)
- nolint (4 messages, latest: Jul 09 2021 at 19:54)
- brackets (2 messages, latest: Jul 09 2021 at 17:03)
- Writing Production Software (16 messages, latest: Jul 09 2021 at 15:35)
- Overload a function with a strucure and its extensions (4 messages, latest: Jul 09 2021 at 15:01)
- Mathlib linter (19 messages, latest: Jul 09 2021 at 13:40)
- zmod.nat_cast_zmod_val (8 messages, latest: Jul 09 2021 at 09:14)
- private abbreviation (2 messages, latest: Jul 08 2021 at 08:35)
- Complex Conjugate of an exponent (10 messages, latest: Jul 08 2021 at 04:21)
- NNG le_total (5 messages, latest: Jul 07 2021 at 11:11)
- lfp struggles (24 messages, latest: Jul 06 2021 at 21:17)
- Cayden (9 messages, latest: Jul 06 2021 at 17:46)
- Injection failing (10 messages, latest: Jul 06 2021 at 08:19)
- Lean for teaching (50 messages, latest: Jul 05 2021 at 13:07)
- vector (4 messages, latest: Jul 05 2021 at 07:45)
- Integral polynomials (4 messages, latest: Jul 05 2021 at 04:39)
- Permutation over a finite set (4 messages, latest: Jul 04 2021 at 16:31)
- Applying iff theorem statements (16 messages, latest: Jul 04 2021 at 15:17)
- fin heq (13 messages, latest: Jul 04 2021 at 14:17)
- add_right_cancel natural number game (6 messages, latest: Jul 04 2021 at 09:08)
- Discord server (30 messages, latest: Jul 03 2021 at 15:12)
- command (3 messages, latest: Jul 03 2021 at 13:56)
ne_zero
vspos
for proofs involvingnat
(9 messages, latest: Jul 03 2021 at 10:44)- about loop in Lean (6 messages, latest: Jul 03 2021 at 09:41)
- Cartesian product (4 messages, latest: Jul 02 2021 at 14:34)
- Type Theory Beginner (10 messages, latest: Jul 02 2021 at 12:31)
- Complex numbers sums (78 messages, latest: Jul 01 2021 at 19:03)
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- to_additive (18 messages, latest: Jun 28 2021 at 08:58)
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- rewriting and let (16 messages, latest: Jun 25 2021 at 19:38)
- rewrite h at {1,3} (12 messages, latest: Jun 25 2021 at 16:29)
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- Euler's number (5 messages, latest: Jun 23 2021 at 16:12)
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- _match (8 messages, latest: Jun 23 2021 at 03:48)
- Working with order duals (26 messages, latest: Jun 22 2021 at 21:42)
- Ruihua Wang (31 messages, latest: Jun 22 2021 at 17:49)
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- cases tactic failed, unexpected failure when introducing aux (5 messages, latest: Jun 22 2021 at 12:14)
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- trace of simp (5 messages, latest: Jun 22 2021 at 10:43)
- Natural Numbers Game question (40 messages, latest: Jun 22 2021 at 09:53)
- set_like type of element (5 messages, latest: Jun 22 2021 at 09:01)
- questions about type class instance (3 messages, latest: Jun 22 2021 at 08:37)
- add term on both sides (14 messages, latest: Jun 21 2021 at 15:09)
- Exercises in Theorem Proving in Lean (48 messages, latest: Jun 21 2021 at 10:53)
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- getting lean to work with visual studio code (6 messages, latest: Jun 20 2021 at 15:28)
- lean3 throwing exception on Ubuntu 20.04 (3 messages, latest: Jun 20 2021 at 10:40)
- prelude (2 messages, latest: Jun 18 2021 at 11:04)
- lean fromList (9 messages, latest: Jun 18 2021 at 01:20)
- [simp] (7 messages, latest: Jun 18 2021 at 00:54)
- variable + explicit binders (5 messages, latest: Jun 17 2021 at 12:36)
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- Nested Inductive Type Resolution with Match Syntax Issue (5 messages, latest: Jun 17 2021 at 11:21)
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- topological_fiber_bundle_core (1 message, latest: Jun 15 2021 at 21:54)
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- polymorphism and
derive decidable_eq
(5 messages, latest: Jun 15 2021 at 08:42) - infoview is a unique feature (5 messages, latest: Jun 15 2021 at 00:13)
- lean baffled by my definition (6 messages, latest: Jun 14 2021 at 22:31)
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- ↥set.univ = V (21 messages, latest: Jun 12 2021 at 17:26)
- lean together 2022 (9 messages, latest: Jun 12 2021 at 12:01)
- Fredrik Johansson (5 messages, latest: Jun 12 2021 at 06:12)
- formation (9 messages, latest: Jun 11 2021 at 09:40)
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- should I formalize WASM instead? (8 messages, latest: Jun 11 2021 at 04:46)
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- I still can't grasp universes (21 messages, latest: Jun 10 2021 at 18:55)
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- I can't find the Isabelle model at all (3 messages, latest: Jun 10 2021 at 08:44)
- Normalizing a synthetic integer type (42 messages, latest: Jun 10 2021 at 08:33)
- do i have to prove a deterministic lemma and a final lemma? (7 messages, latest: Jun 10 2021 at 06:42)
- what is this fraction like notation i don't understand (7 messages, latest: Jun 10 2021 at 05:30)
- stlc terms (91 messages, latest: Jun 10 2021 at 01:37)
- NNG "exact" syntax / tactic arguments (35 messages, latest: Jun 09 2021 at 22:03)
- Daniel Lyons (3 messages, latest: Jun 09 2021 at 20:56)
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- Andre Graubner (4 messages, latest: Jun 09 2021 at 07:45)
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- 'open' vs 'namespace' (4 messages, latest: Jun 08 2021 at 02:25)
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- Endomorphism eigen values (14 messages, latest: Jun 07 2021 at 18:02)
rec_on
type mismatch (2 messages, latest: Jun 07 2021 at 17:11)- Rewrite only one part of expression (8 messages, latest: Jun 07 2021 at 14:20)
- square root (54 messages, latest: Jun 06 2021 at 22:13)
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- distributive law (42 messages, latest: Jun 05 2021 at 18:03)
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- oleans and lean files (20 messages, latest: Jun 04 2021 at 21:44)
- timeout when #reduce-ing fin n function (13 messages, latest: Jun 04 2021 at 15:31)
- reflexive transitive closure (8 messages, latest: Jun 04 2021 at 15:26)
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- Parker Spires (introduction) (1 message, latest: Jun 02 2021 at 19:28)
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to_additive
problem? (12 messages, latest: May 31 2021 at 22:21)- unknown identifier 'h' (8 messages, latest: May 31 2021 at 13:44)
open_locale
(13 messages, latest: May 31 2021 at 12:03)- cc (2 messages, latest: May 31 2021 at 11:34)
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- definition of R (4 messages, latest: May 31 2021 at 11:09)
- injective on
some
(6 messages, latest: May 30 2021 at 15:46) - discrete math (6 messages, latest: May 30 2021 at 13:18)
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- review the formalized statement of CF 1526C2 (16 messages, latest: May 30 2021 at 10:48)
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leanproject build
args (2 messages, latest: May 26 2021 at 19:00)- Ensuring that a property holds for arbitrary group elements (10 messages, latest: May 26 2021 at 17:49)
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dist
in inner_product_space (6 messages, latest: May 24 2021 at 05:27)- Use of Tactics (11 messages, latest: May 24 2021 at 03:47)
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ring
understand when i ≠ -i (14 messages, latest: May 14 2021 at 13:23) mul_zero _
andzero_mul 0
(14 messages, latest: May 14 2021 at 07:52)- Functional interpretations (4 messages, latest: May 13 2021 at 23:08)
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_.mpr
(6 messages, latest: May 13 2021 at 15:31)- What are Prop and Type? (3 messages, latest: May 13 2021 at 12:44)
not
vs-> false
(6 messages, latest: May 12 2021 at 20:33)- show_term (4 messages, latest: May 12 2021 at 18:39)
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set ... with
does nothing (4 messages, latest: May 11 2021 at 19:20)- ext tag (1 message, latest: May 10 2021 at 16:20)
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smul
s (13 messages, latest: Apr 24 2021 at 19:07) - github access: Erdős–Szekeres (10 messages, latest: Apr 24 2021 at 06:57)
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rewrite
andrefl
(2 messages, latest: Apr 17 2021 at 10:39)- Introducing myself: Alex Reynaldi (16 messages, latest: Apr 17 2021 at 08:58)
- Quotients of equivalent things are equivalent (41 messages, latest: Apr 17 2021 at 06:23)
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- Difficulty with
exists
(29 messages, latest: Apr 16 2021 at 20:00) - lambda abstraction (5 messages, latest: Apr 16 2021 at 17:20)
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- Proving a simple FOL syntax lemma (4 messages, latest: Apr 15 2021 at 16:45)
- "ambiguous" error (5 messages, latest: Apr 15 2021 at 13:07)
- squeeze_dsimp incorrect suggestion (3 messages, latest: Apr 15 2021 at 06:26)
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- funny lemma (3 messages, latest: Apr 14 2021 at 19:00)
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- JB (39 messages, latest: Apr 14 2021 at 16:15)
- choose typeclass instance (4 messages, latest: Apr 14 2021 at 13:41)
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- strict instance requirement (19 messages, latest: Apr 14 2021 at 08:19)
- using tactic.exact_dec_trivial implicitly (9 messages, latest: Apr 14 2021 at 05:21)
- subset from finset declaration (6 messages, latest: Apr 14 2021 at 02:19)
- basic tactic writing & IO (74 messages, latest: Apr 13 2021 at 15:08)
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- introducting myself: mikey liu (4 messages, latest: Apr 13 2021 at 03:19)
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- function.app (9 messages, latest: Apr 12 2021 at 20:57)
- Typeclass instantiation and extension (6 messages, latest: Apr 12 2021 at 20:38)
- Introducing myself: Hunter Monroe (3 messages, latest: Apr 12 2021 at 18:52)
- introductory texts on formalised proofs (10 messages, latest: Apr 12 2021 at 18:25)
- int or nat (14 messages, latest: Apr 12 2021 at 13:05)
- trying out a
simp
lemma (5 messages, latest: Apr 12 2021 at 05:38) - Learning programming with lean 4 (29 messages, latest: Apr 11 2021 at 23:21)
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- unexpected token (23 messages, latest: Apr 11 2021 at 19:48)
- Hi (6 messages, latest: Apr 11 2021 at 18:05)
- semilattice, dvd, associated (20 messages, latest: Apr 11 2021 at 17:21)
- Ali Miller (103 messages, latest: Apr 11 2021 at 15:38)
- singleton class (11 messages, latest: Apr 11 2021 at 09:05)
- prod and pprod (20 messages, latest: Apr 11 2021 at 06:33)
- proving the eliminator for equality (30 messages, latest: Apr 10 2021 at 23:43)
- one_mul_eq_id (5 messages, latest: Apr 10 2021 at 21:54)
- mul_right_comm_monoid (117 messages, latest: Apr 10 2021 at 00:05)
- Petros Mavromichalis (30 messages, latest: Apr 09 2021 at 23:02)
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- to_additive documentation (8 messages, latest: Apr 09 2021 at 19:54)
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- nat.rfl.dvd (60 messages, latest: Apr 09 2021 at 10:16)
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- explicit parameter in inductive constructor (9 messages, latest: Apr 09 2021 at 01:48)
- Bijection between finset and its cardinality (6 messages, latest: Apr 08 2021 at 17:53)
- Inferring Theorem from a Proof Term? (36 messages, latest: Apr 08 2021 at 14:27)
- ring TC not working (3 messages, latest: Apr 07 2021 at 23:58)
- PR Sublattice (8 messages, latest: Apr 07 2021 at 21:38)
smul_one_eq_coe
(8 messages, latest: Apr 07 2021 at 19:37)- induced map on stalks (5 messages, latest: Apr 07 2021 at 19:10)
- zmod 4 is 0123 (2 messages, latest: Apr 07 2021 at 14:57)
- turn a + b = a into something like a + b = a + 0 (8 messages, latest: Apr 07 2021 at 14:45)
- zmod neg_one (18 messages, latest: Apr 07 2021 at 05:27)
- Cube root of cubic is id? (178 messages, latest: Apr 07 2021 at 00:03)
- lemmas on int and subsingleton (51 messages, latest: Apr 06 2021 at 14:32)
- begginer matrix question (17 messages, latest: Apr 06 2021 at 13:30)
- What even is definitional equality in structures? (9 messages, latest: Apr 06 2021 at 11:32)
- generating examples with Lean? (5 messages, latest: Apr 06 2021 at 05:14)
- conditional expected values as an exercise (26 messages, latest: Apr 05 2021 at 18:57)
- tear apart a sum by looking at supports (32 messages, latest: Apr 05 2021 at 15:43)
linear_independent
andfunction.injective
(52 messages, latest: Apr 05 2021 at 10:17)- Refinement of two dissections (12 messages, latest: Apr 05 2021 at 09:24)
- extend projection notation (1 message, latest: Apr 05 2021 at 09:08)
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- double curly braces: ∀ ⦃x⦄ (6 messages, latest: Apr 04 2021 at 21:49)
- "canonical" way to say "member of structure doesn't exist"? (2 messages, latest: Apr 04 2021 at 16:09)
- How to expand emacs's eldoc's echo area? (7 messages, latest: Apr 04 2021 at 12:49)
- What does ` . obviously` mean? (9 messages, latest: Apr 04 2021 at 09:03)
- Modal logic (11 messages, latest: Apr 04 2021 at 00:44)
- Proving types are different (23 messages, latest: Apr 03 2021 at 22:45)
- Kalle Kytölä (16 messages, latest: Apr 03 2021 at 20:41)
- tidy intercalation (4 messages, latest: Apr 03 2021 at 11:08)
- what does motive is not type correct mean (62 messages, latest: Apr 03 2021 at 08:55)
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- instance of
nontrivial unit
? (7 messages, latest: Apr 02 2021 at 13:43) - Mathlib on Lean4 (9 messages, latest: Apr 02 2021 at 12:54)
- term mode replacement for cases (9 messages, latest: Apr 02 2021 at 10:01)
- fact? (19 messages, latest: Apr 02 2021 at 04:43)
- deleted (1 message, latest: Apr 02 2021 at 03:03)
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- specializing multiple hypothesis with the same thing (2 messages, latest: Apr 01 2021 at 17:31)
- Error building Lean4 (21 messages, latest: Apr 01 2021 at 16:20)
- Hello! Have a proof of Heron's Area Formula! (34 messages, latest: Apr 01 2021 at 03:59)
- Check Project is Error-Free (24 messages, latest: Mar 31 2021 at 12:23)
- structure value invalid (3 messages, latest: Mar 31 2021 at 02:36)
- cardinality lemma for disjoint union (7 messages, latest: Mar 30 2021 at 23:34)
- Simplify Structure With One Argument In Tactic (9 messages, latest: Mar 30 2021 at 23:18)
- defining set of triples (15 messages, latest: Mar 30 2021 at 18:26)
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- Difference between inaccessible term and wildcard (3 messages, latest: Mar 30 2021 at 15:52)
- instance in condition (3 messages, latest: Mar 30 2021 at 12:29)
- Aurélien Saue (intro) (4 messages, latest: Mar 30 2021 at 11:10)
- "idiomatic" way to prove stuff about small
fin
(8 messages, latest: Mar 30 2021 at 01:06) - comma category (10 messages, latest: Mar 29 2021 at 21:30)
- equality of types (45 messages, latest: Mar 29 2021 at 18:04)
- force lambda reduction (9 messages, latest: Mar 29 2021 at 09:15)
- unfolding specific instance (10 messages, latest: Mar 29 2021 at 08:04)
- has_coe_to_sort (9 messages, latest: Mar 28 2021 at 22:56)
- Is there any spec for Lean server protocol? (6 messages, latest: Mar 28 2021 at 15:30)
- x * x = 100 → x = 10 (9 messages, latest: Mar 28 2021 at 15:20)
- simp and unfolding (9 messages, latest: Mar 28 2021 at 13:19)
- How does Lean figure out this proof? (11 messages, latest: Mar 28 2021 at 11:36)
- constructor choose wrong constructor (10 messages, latest: Mar 28 2021 at 00:29)
- function definition noncomputable (64 messages, latest: Mar 27 2021 at 06:46)
- Basic graph theory (65 messages, latest: Mar 27 2021 at 00:56)
- Syntax question about using assumptions (44 messages, latest: Mar 26 2021 at 16:21)
- "tactic failed, result contains meta-variables" (20 messages, latest: Mar 26 2021 at 10:29)
- Lemma for removing exponents from both sides? (14 messages, latest: Mar 26 2021 at 07:45)
- Speeding up the lean infoview (19 messages, latest: Mar 26 2021 at 00:31)
- Demos in introduction (4 messages, latest: Mar 25 2021 at 15:57)
- semialgebra setminus (107 messages, latest: Mar 25 2021 at 08:33)
- atomicity (6 messages, latest: Mar 24 2021 at 23:57)
- Defining a (non-full) subcategory (19 messages, latest: Mar 24 2021 at 20:46)
- Defining "hat games" (7 messages, latest: Mar 24 2021 at 18:36)
- oleans (12 messages, latest: Mar 24 2021 at 18:34)
- finmap inside an inductive type (22 messages, latest: Mar 24 2021 at 18:20)
- Well Founded Recursion New Problems (7 messages, latest: Mar 24 2021 at 17:41)
- Problems with Well Founded Recursion (14 messages, latest: Mar 24 2021 at 16:59)
- Using_well_founded (7 messages, latest: Mar 24 2021 at 11:17)
- Debugging what simp does (9 messages, latest: Mar 23 2021 at 21:33)
- Eliminate propositions (8 messages, latest: Mar 23 2021 at 19:34)
- Can't select Bash as Default Shell (7 messages, latest: Mar 22 2021 at 21:47)
- Simplifying inverses in ring (6 messages, latest: Mar 22 2021 at 21:13)
- Homework for "formalizing mathematics" (36 messages, latest: Mar 21 2021 at 23:32)
- Including updates from recent PR (31 messages, latest: Mar 21 2021 at 21:32)
- Dot notation (14 messages, latest: Mar 21 2021 at 18:37)
- Yaël Dillies (2 messages, latest: Mar 21 2021 at 12:05)
- finset minus set (6 messages, latest: Mar 20 2021 at 22:49)
- sokoban simplification (45 messages, latest: Mar 20 2021 at 00:44)
- mutual recursive induction and def (8 messages, latest: Mar 19 2021 at 23:13)
- Randomized testing (12 messages, latest: Mar 19 2021 at 22:03)
- typing error for ⊆ (9 messages, latest: Mar 19 2021 at 21:10)
- Exact not matching (3 messages, latest: Mar 18 2021 at 21:39)
- carter schonwald (1 message, latest: Mar 18 2021 at 16:15)
- rw matches wrong equation (8 messages, latest: Mar 18 2021 at 12:31)
- Setting wildcard values (12 messages, latest: Mar 18 2021 at 11:10)
- Rewriting things inside ifs? (18 messages, latest: Mar 18 2021 at 10:32)
- git handling of PRs (12 messages, latest: Mar 17 2021 at 22:31)
- Repeating until nothing changes (7 messages, latest: Mar 17 2021 at 22:28)
- Doing #check inside a proof (5 messages, latest: Mar 17 2021 at 19:04)
- Rewriting from def (11 messages, latest: Mar 17 2021 at 10:59)
- looking up instance definitions (7 messages, latest: Mar 17 2021 at 10:12)
- degree of elementary symmetric polynomials (17 messages, latest: Mar 17 2021 at 06:43)
- decidable_pred (4 messages, latest: Mar 17 2021 at 03:42)
- choose from complement (14 messages, latest: Mar 16 2021 at 20:09)
- Stupid question: how to swap sides of a hypothesis? (8 messages, latest: Mar 16 2021 at 18:22)
- reserving notation (9 messages, latest: Mar 16 2021 at 17:30)
- Exact too strict? (11 messages, latest: Mar 16 2021 at 11:14)
- Inductive Types vs. Axioms (20 messages, latest: Mar 16 2021 at 08:13)
- Turning bundled homomorphism equalities into pointwise ones (19 messages, latest: Mar 16 2021 at 06:09)
- Renaming fields of structures being extended (12 messages, latest: Mar 16 2021 at 01:46)
- intro Jan de Wit (23 messages, latest: Mar 15 2021 at 10:27)
- elementary symmetric polynomial is not equal to 0 (5 messages, latest: Mar 15 2021 at 04:28)
- circular dependency problem (6 messages, latest: Mar 14 2021 at 12:55)
- cases with doesn't rename (4 messages, latest: Mar 14 2021 at 05:31)
- Notation for numerals (17 messages, latest: Mar 12 2021 at 20:59)
- a ∈ tt_ctx → b ∉ tt_ctx → a ≠ b (8 messages, latest: Mar 12 2021 at 09:25)
- Agreement on intersection (18 messages, latest: Mar 12 2021 at 02:24)
- [finmap.lookup key (finmap.insert key _ )](topic/finmap.2Elookup.20key.20(finmap.2Einsert.20key.20.20_).html) (12 messages, latest: Mar 11 2021 at 17:23)
- Get is_linear_order (7 messages, latest: Mar 11 2021 at 17:12)
- Repeat N times (10 messages, latest: Mar 11 2021 at 16:33)
- Running simp on the whole context (5 messages, latest: Mar 11 2021 at 15:49)
- Handling ite (4 messages, latest: Mar 11 2021 at 13:25)
- vector mem (5 messages, latest: Mar 11 2021 at 13:13)
- Exponential characteristic (6 messages, latest: Mar 11 2021 at 09:51)
- generate_from_le (29 messages, latest: Mar 11 2021 at 08:23)
- Generalization (13 messages, latest: Mar 11 2021 at 07:47)
- Typing Error with Option Monad (6 messages, latest: Mar 11 2021 at 04:18)
- rings from subtype (159 messages, latest: Mar 11 2021 at 01:05)
- Applying rewrite to the nth match? (3 messages, latest: Mar 10 2021 at 20:45)
- Prop in function type as precondition (23 messages, latest: Mar 10 2021 at 18:51)
- Peter Nelson -write access? (2 messages, latest: Mar 10 2021 at 17:41)
- Suffix of list (14 messages, latest: Mar 10 2021 at 17:01)
- Recursion with a different argument (5 messages, latest: Mar 10 2021 at 16:45)
- formalization communities (11 messages, latest: Mar 10 2021 at 16:41)
- Type alias (15 messages, latest: Mar 10 2021 at 15:46)
- Waiting for merge (5 messages, latest: Mar 10 2021 at 15:43)
- not and to not or (2 messages, latest: Mar 10 2021 at 10:09)
- alist / finmap usage (4 messages, latest: Mar 10 2021 at 09:53)
- Lean for homework in MOOCs (21 messages, latest: Mar 09 2021 at 22:44)
- Combinator/Functor/? Land (5 messages, latest: Mar 09 2021 at 22:25)
- Using dot notation with typeclass instsances (1 message, latest: Mar 09 2021 at 20:49)
- Little typeclass syntaxy thing (11 messages, latest: Mar 09 2021 at 19:46)
- Creating instance and is_commutative (10 messages, latest: Mar 09 2021 at 14:31)
- Union of finsets (15 messages, latest: Mar 08 2021 at 22:50)
- Equality in
prod
(19 messages, latest: Mar 08 2021 at 18:52) - mutual recursion vs pairs (2 messages, latest: Mar 08 2021 at 09:50)
- lemmas and structs (3 messages, latest: Mar 08 2021 at 08:27)
- subsets of discrete (25 messages, latest: Mar 08 2021 at 02:18)
- empty {} in inductive type definition (3 messages, latest: Mar 07 2021 at 20:42)
- Little typeclass thing (1 message, latest: Mar 07 2021 at 17:42)
- Vector from finset of indices (7 messages, latest: Mar 07 2021 at 16:15)
- subset member (10 messages, latest: Mar 06 2021 at 20:33)
- Extract Subexpression in Proof (6 messages, latest: Mar 06 2021 at 18:23)
- simplify the context of a hole before displaying it? (3 messages, latest: Mar 06 2021 at 02:42)
- Defining instances using several implicit arguments (42 messages, latest: Mar 06 2021 at 00:49)
- converting Prop to Type (7 messages, latest: Mar 05 2021 at 19:33)
- case-split in emacs mode? (3 messages, latest: Mar 05 2021 at 19:19)
- Proving a symmetric iff with symmetric hypotheses (3 messages, latest: Mar 05 2021 at 18:48)
- Syntax question: applying polynomial.exists_separable_of_ir (5 messages, latest: Mar 05 2021 at 16:25)
- Derive Field Accessors (9 messages, latest: Mar 05 2021 at 14:14)
- Refinement types (9 messages, latest: Mar 04 2021 at 21:26)
- Unfold partially applied inductive func (28 messages, latest: Mar 04 2021 at 18:31)
- Invoking instances explicitly (28 messages, latest: Mar 04 2021 at 10:17)
- basic handling of
def
(12 messages, latest: Mar 04 2021 at 09:01) - finsupp.nonzero_iff_exists (17 messages, latest: Mar 04 2021 at 08:22)
- cases under equality (10 messages, latest: Mar 03 2021 at 22:25)
- leanproject new (5 messages, latest: Mar 03 2021 at 16:20)
- ring not respecting arbitrary (30 messages, latest: Mar 03 2021 at 14:07)
- Get ℕ that is ∉ finset (17 messages, latest: Mar 03 2021 at 13:21)
- Partial ; (14 messages, latest: Mar 03 2021 at 11:45)
- A semiring isomorphic to (30 messages, latest: Mar 03 2021 at 10:42)
- index_of_erase_lt (5 messages, latest: Mar 03 2021 at 07:13)
have
and universal quantifier causing confusion (10 messages, latest: Mar 02 2021 at 18:24)- elim ite (8 messages, latest: Mar 02 2021 at 15:13)
- roadmap (10 messages, latest: Mar 02 2021 at 03:41)
- or-else in monadic assignment (28 messages, latest: Mar 02 2021 at 02:54)
- Subset comprehension (15 messages, latest: Mar 01 2021 at 22:45)
- build failure (9 messages, latest: Mar 01 2021 at 20:35)
- submodule.span as_sum (57 messages, latest: Mar 01 2021 at 18:41)
- Ring iso induced by quotient (8 messages, latest: Mar 01 2021 at 18:20)
- Unwinding definitions involving if else (27 messages, latest: Mar 01 2021 at 08:56)
- how do I define cases in a function output? (7 messages, latest: Mar 01 2021 at 08:56)
- prop false and type false (11 messages, latest: Mar 01 2021 at 08:35)
- pullback vs pushforward (6 messages, latest: Mar 01 2021 at 04:11)
- Subtracting a partial sum from a sum (67 messages, latest: Feb 28 2021 at 20:38)
- bit0? how do I get succ(succ(0)) from 2? (7 messages, latest: Feb 28 2021 at 19:22)
- Forced to use @ (9 messages, latest: Feb 28 2021 at 17:27)
- Partial functions, again (8 messages, latest: Feb 28 2021 at 17:24)
- why does this work without add_zero (35 messages, latest: Feb 28 2021 at 17:07)
- Trees (13 messages, latest: Feb 28 2021 at 14:42)
- Stack Exchange (6 messages, latest: Feb 28 2021 at 12:18)
- Proving ¬(p ↔ ¬p) without classical logic (16 messages, latest: Feb 28 2021 at 08:44)
- Is there a structure for algebras over a given field? (10 messages, latest: Feb 27 2021 at 20:17)
- refl on different instances (5 messages, latest: Feb 27 2021 at 15:03)
- bsum ext (9 messages, latest: Feb 27 2021 at 13:59)
- Give names to expressions (5 messages, latest: Feb 27 2021 at 01:07)
- Formalising towers of field extensions (10 messages, latest: Feb 26 2021 at 20:15)
- application at variables (6 messages, latest: Feb 26 2021 at 16:58)
- [inductive List (α : Type)](topic/inductive.20List.20(.CE.B1.20.3A.20Type).html) (3 messages, latest: Feb 26 2021 at 14:05)
- false constant (23 messages, latest: Feb 26 2021 at 10:57)
- Repeated derivative of a complex function (6 messages, latest: Feb 26 2021 at 05:30)
- a way to try a tactic and "no-op" (8 messages, latest: Feb 25 2021 at 20:06)
- linear maps (3 messages, latest: Feb 25 2021 at 07:55)
- problems with paths (21 messages, latest: Feb 25 2021 at 07:23)
- proving conjunction (15 messages, latest: Feb 25 2021 at 01:56)
- Question about instance, notation and pattern matching (8 messages, latest: Feb 24 2021 at 20:39)
- Negated proof on else-branch (2 messages, latest: Feb 24 2021 at 20:29)
- subtype is just a structure? (14 messages, latest: Feb 24 2021 at 19:15)
- subsets (7 messages, latest: Feb 24 2021 at 17:07)
- definitional equivalence (14 messages, latest: Feb 24 2021 at 16:57)
- is formal abstracts maintained (18 messages, latest: Feb 24 2021 at 16:40)
- Syntax question: purely inseparable field extension (11 messages, latest: Feb 23 2021 at 19:41)
- subtypes and stuff (21 messages, latest: Feb 23 2021 at 18:29)
- Lean and blockchain (36 messages, latest: Feb 23 2021 at 08:47)
- lean logos (7 messages, latest: Feb 23 2021 at 01:20)
- powers in semigroups? (5 messages, latest: Feb 21 2021 at 15:08)
- Solving a problem about set membership (5 messages, latest: Feb 20 2021 at 21:35)
- natural numbers (65 messages, latest: Feb 20 2021 at 12:36)
- equation compiler failed to prove equation lemma (1 message, latest: Feb 20 2021 at 10:36)
- What's "@&" in external function defination? (1 message, latest: Feb 20 2021 at 09:46)
- notation associativity (15 messages, latest: Feb 20 2021 at 03:48)
- Mutable data types (8 messages, latest: Feb 20 2021 at 00:53)
- norm of abs (29 messages, latest: Feb 19 2021 at 19:50)
- empty object as null in json parser (6 messages, latest: Feb 19 2021 at 17:58)
- mlocal_fresh (3 messages, latest: Feb 19 2021 at 17:32)
- Apply rewrite to only one side of equality? (4 messages, latest: Feb 19 2021 at 16:29)
- decreasing function (4 messages, latest: Feb 19 2021 at 07:43)
- Sublattice to lattice (8 messages, latest: Feb 18 2021 at 23:39)
- range (11 messages, latest: Feb 18 2021 at 21:09)
- Finite set (68 messages, latest: Feb 18 2021 at 20:32)
- why not just open classes (5 messages, latest: Feb 18 2021 at 18:21)
- replace simp with the rewrites it used (3 messages, latest: Feb 18 2021 at 16:24)
- prelude qulification (3 messages, latest: Feb 18 2021 at 15:09)
- Defining partial functions: Why is this pattern not common? (6 messages, latest: Feb 18 2021 at 12:38)
- is_regular (94 messages, latest: Feb 18 2021 at 08:42)
- member of cartesian product of sets (55 messages, latest: Feb 18 2021 at 04:34)
- semigroup.to_has_mul versus nat.has_mul (9 messages, latest: Feb 17 2021 at 21:01)
- How to define the order of an element for non-finite groups? (29 messages, latest: Feb 17 2021 at 16:35)
- definitional equality making my head spin (10 messages, latest: Feb 17 2021 at 15:39)
- list of natural numbers (5 messages, latest: Feb 17 2021 at 14:51)
- is_non_zero_divisor (4 messages, latest: Feb 17 2021 at 14:09)
- le notation (31 messages, latest: Feb 17 2021 at 11:53)
- field already declared (5 messages, latest: Feb 17 2021 at 08:28)
simp
and symmetry (13 messages, latest: Feb 17 2021 at 07:31)- defining something outside a class or inside (18 messages, latest: Feb 16 2021 at 08:34)
- After tutorials? (4 messages, latest: Feb 16 2021 at 01:32)
- intuitionistic logic (245 messages, latest: Feb 16 2021 at 00:55)
- subtypes (64 messages, latest: Feb 15 2021 at 20:01)
- lambda-terms by S, K combinators (1 message, latest: Feb 15 2021 at 07:22)
- Lifting results (5 messages, latest: Feb 15 2021 at 05:47)
- termination measure (2 messages, latest: Feb 14 2021 at 03:23)
- Existential witness in ite (8 messages, latest: Feb 13 2021 at 23:28)
- cases on mod 3 (5 messages, latest: Feb 13 2021 at 21:59)
- ?m_1 (11 messages, latest: Feb 13 2021 at 12:58)
- Documentation of Lean's architecture (3 messages, latest: Feb 13 2021 at 08:30)
- Docs on coercions in Lean 4 (2 messages, latest: Feb 12 2021 at 18:39)
- convert to term mode (3 messages, latest: Feb 12 2021 at 14:01)
- begin…end vs by{…} (8 messages, latest: Feb 12 2021 at 08:21)
- definition with conditions (7 messages, latest: Feb 11 2021 at 17:22)
- ordered_monoid? (5 messages, latest: Feb 11 2021 at 08:36)
- inequality following from a stronger inequality (3 messages, latest: Feb 11 2021 at 05:02)
- Chaining coercions (26 messages, latest: Feb 11 2021 at 04:09)
- specific qs on intro exercises (113 messages, latest: Feb 11 2021 at 02:39)
- How do I represent a graph? (27 messages, latest: Feb 10 2021 at 21:52)
- Simplify decidable.cases_on (9 messages, latest: Feb 10 2021 at 21:19)
- nat as a canonically_linear_ordered_add_monoid (30 messages, latest: Feb 10 2021 at 12:49)
smul
asmul
(5 messages, latest: Feb 09 2021 at 17:46)- canonically_ordered pathology (258 messages, latest: Feb 09 2021 at 13:28)
- Is
simp
an AI? (21 messages, latest: Feb 09 2021 at 11:07) - Proof review: CSES Counting Bits (8 messages, latest: Feb 09 2021 at 09:50)
- n % 2 = 1 (6 messages, latest: Feb 09 2021 at 03:44)
- minor typo in mathematics in lean tutorial (5 messages, latest: Feb 09 2021 at 00:31)
- x / x = 1 (10 messages, latest: Feb 08 2021 at 21:12)
- Hi! Best way(s) to get stuck in? (3 messages, latest: Feb 08 2021 at 17:40)
- Finsets and operations on them (28 messages, latest: Feb 08 2021 at 15:11)
- Isomorphism classes (10 messages, latest: Feb 07 2021 at 17:30)
- dev_null n = 0 (6 messages, latest: Feb 07 2021 at 11:17)
- Graphs, trees, binary search trees, array, algorithms (14 messages, latest: Feb 07 2021 at 02:34)
- Reindexing sums (7 messages, latest: Feb 07 2021 at 01:41)
- Brownian motion w.p. 1 is nowhere differentiable in (0,1) (3 messages, latest: Feb 06 2021 at 18:31)
- K-theory (14 messages, latest: Feb 06 2021 at 16:35)
- lemma, theorem, def (12 messages, latest: Feb 05 2021 at 09:05)
- Kimaya Bedarkar (15 messages, latest: Feb 05 2021 at 07:42)
- quantification in iffs (5 messages, latest: Feb 05 2021 at 01:08)
- Using mathlib for simple concepts (7 messages, latest: Feb 03 2021 at 20:27)
- Diana Kalinichenko (13 messages, latest: Feb 03 2021 at 17:22)
- leanproject upgrade-mathlib (10 messages, latest: Feb 03 2021 at 01:48)
- ancestor attribute (7 messages, latest: Feb 02 2021 at 21:19)
- Classes vs Structures (23 messages, latest: Feb 02 2021 at 20:39)
- Explicit definitions of specific multiplicative homomorphism (4 messages, latest: Feb 02 2021 at 16:45)
- if a < b then a^3 < b^3 (31 messages, latest: Feb 02 2021 at 12:43)
- Metavariables? (11 messages, latest: Feb 02 2021 at 06:38)
- if a^7=b^7 then a=b (18 messages, latest: Feb 02 2021 at 04:53)
- builtin types (10 messages, latest: Feb 02 2021 at 04:20)
- Nodup Indices (21 messages, latest: Feb 01 2021 at 16:16)
- I've messed up the VS Code Infoview (15 messages, latest: Feb 01 2021 at 15:37)
- Lean vs Dafny: Why can't I just put a bunch of assertions… (14 messages, latest: Feb 01 2021 at 15:27)
- Simple question: create a new variable inside a proof? (3 messages, latest: Feb 01 2021 at 14:39)
- Inductive families and mutual induction (5 messages, latest: Feb 01 2021 at 12:37)
- Eric Astor (2 messages, latest: Jan 31 2021 at 21:57)
- can you limit rewrite tactic (5 messages, latest: Jan 31 2021 at 20:38)
- composite of injectives (11 messages, latest: Jan 31 2021 at 19:31)
- import data.nat.basic gives an error (6 messages, latest: Jan 30 2021 at 22:55)
- Polymorphic definitions (14 messages, latest: Jan 30 2021 at 22:24)
- Pattern matching in tactics (14 messages, latest: Jan 30 2021 at 19:56)
- Induction over inductive families (22 messages, latest: Jan 29 2021 at 21:54)
- extends keyword (8 messages, latest: Jan 29 2021 at 20:25)
- Proving two inequalities in a single calc line (6 messages, latest: Jan 29 2021 at 20:11)
- Definition by cases on logical or? (9 messages, latest: Jan 29 2021 at 11:44)
- Using big operators (3 messages, latest: Jan 29 2021 at 07:11)
- Lars Brünjes (4 messages, latest: Jan 29 2021 at 02:11)
- Provably equal types (13 messages, latest: Jan 29 2021 at 02:00)
- applying a hypothesis several times (9 messages, latest: Jan 28 2021 at 22:56)
- leanproject stopped working (63 messages, latest: Jan 28 2021 at 22:34)
- How to specify where "apply" applies (10 messages, latest: Jan 28 2021 at 19:58)
- Beginner question: list.diff (9 messages, latest: Jan 28 2021 at 19:25)
- Huỳnh Trần Khanh (2 messages, latest: Jan 28 2021 at 15:58)
- How to multiply an integer times a real (155 messages, latest: Jan 27 2021 at 22:47)
- Add hypothesis to an instance (11 messages, latest: Jan 27 2021 at 22:44)
- Impossible cases for an inductive type constructor (34 messages, latest: Jan 27 2021 at 22:13)
- group element to the power of n (4 messages, latest: Jan 27 2021 at 21:20)
- A finite set of tuples with unique first element (19 messages, latest: Jan 27 2021 at 19:41)
- Teething Problems in New Branch (4 messages, latest: Jan 27 2021 at 15:52)
- Reinventig the wheel (4 messages, latest: Jan 27 2021 at 08:57)
- Newbie question (10 messages, latest: Jan 26 2021 at 20:39)
- conv tactic (8 messages, latest: Jan 26 2021 at 09:47)
- list.perm.trans (8 messages, latest: Jan 25 2021 at 19:19)
- [if a < 0 and ax < 0 then x > 0](topic/if.20a.20.3C.200.20and.20ax.20.3C.200.20then.20x.20.3E.200.html) (17 messages, latest: Jan 25 2021 at 02:42)
- Type x Prop (10 messages, latest: Jan 24 2021 at 22:33)
- Pattern matching on arrays (5 messages, latest: Jan 24 2021 at 19:26)
- Matt Wilbur (1 message, latest: Jan 24 2021 at 13:44)
- VSCode Getting Started (4 messages, latest: Jan 24 2021 at 13:18)
- How to expand 0 and structure defs (16 messages, latest: Jan 24 2021 at 08:31)
- 1 mod 2 is in ℝ (60 messages, latest: Jan 23 2021 at 23:23)
- Proof by cases of integers modulo n (9 messages, latest: Jan 23 2021 at 15:56)
- Rational expressions and real semimodules (18 messages, latest: Jan 23 2021 at 15:07)
- Induction on Dependent Pairs (2 messages, latest: Jan 23 2021 at 02:32)
- Universe issues with polymorphic types (14 messages, latest: Jan 22 2021 at 21:08)
- Deconstructing arguments (4 messages, latest: Jan 22 2021 at 19:57)
- how do proofs with < … > work? (21 messages, latest: Jan 22 2021 at 19:16)
- Multi-file lean4 project (3 messages, latest: Jan 22 2021 at 17:02)
- MonadTrans class? (2 messages, latest: Jan 22 2021 at 09:45)
- Jordan Houser (1 message, latest: Jan 22 2021 at 05:13)
- Lean's way of simple term transformations (10 messages, latest: Jan 21 2021 at 19:59)
- Commutativity of Recursive Application (32 messages, latest: Jan 21 2021 at 18:09)
- slim_check, giving up, deterministic timeout (5 messages, latest: Jan 21 2021 at 16:31)
- I want to generate binary strings and reason about them! (94 messages, latest: Jan 21 2021 at 16:25)
- Reasoning with
mv_polynomial
monomials (6 messages, latest: Jan 20 2021 at 20:48) - How to apply function on instance of extended type (5 messages, latest: Jan 20 2021 at 18:11)
- David J. Webb (4 messages, latest: Jan 19 2021 at 20:09)
- Can't
refl
simple equation (19 messages, latest: Jan 19 2021 at 15:54) - Can't
rw if_pos
inlet
(7 messages, latest: Jan 19 2021 at 15:14) well_ordering_rel
for sorting (1 message, latest: Jan 19 2021 at 11:28)- Showing pred(succ t) = t (7 messages, latest: Jan 19 2021 at 10:32)
- is simp "stable"? (29 messages, latest: Jan 19 2021 at 07:52)
- How to unfold
rat.mul
in goal (19 messages, latest: Jan 19 2021 at 02:27) - Indexing over finite sets? (4 messages, latest: Jan 18 2021 at 22:15)
- prime sum of two squares one sentence proof (3 messages, latest: Jan 18 2021 at 21:08)
- geometric algebra (15 messages, latest: Jan 18 2021 at 19:47)
- How do I convert a positive integer to a natural number? (4 messages, latest: Jan 18 2021 at 18:04)
- Guide to learn lean (6 messages, latest: Jan 18 2021 at 13:42)
- If natural number n ≠ 0 then it is not 0 as a ℚ (30 messages, latest: Jan 17 2021 at 23:42)
- motive is not type correct (30 messages, latest: Jan 17 2021 at 23:39)
- Young tableau (8 messages, latest: Jan 17 2021 at 14:56)
- Lean 3 installation on Macbook M1 (2 messages, latest: Jan 17 2021 at 12:15)
- Lean has trouble understanding intuitive sums (again) (10 messages, latest: Jan 17 2021 at 02:44)
- try this (6 messages, latest: Jan 16 2021 at 22:02)
- Lean can't synthesize class instances (5 messages, latest: Jan 16 2021 at 19:12)
- Simple induction proof (7 messages, latest: Jan 16 2021 at 16:43)
- fib_mono (11 messages, latest: Jan 16 2021 at 15:59)
- CSES Problem Set: Counting Bits (3 messages, latest: Jan 16 2021 at 14:04)
- Unfold a cast expression (3 messages, latest: Jan 16 2021 at 10:52)
- nat_add_div (23 messages, latest: Jan 16 2021 at 09:46)
- Unfold Notation (3 messages, latest: Jan 15 2021 at 17:01)
- Move
let ... in
out of goal (8 messages, latest: Jan 15 2021 at 16:35) - Comparing natural numbers as reals (6 messages, latest: Jan 15 2021 at 15:55)
- rw of self (14 messages, latest: Jan 15 2021 at 14:44)
- Proof review: Sum of first n Fibonacci terms (10 messages, latest: Jan 14 2021 at 22:30)
- getting from 2 = 1 to false (9 messages, latest: Jan 14 2021 at 22:13)
- Proof Over Inductive Prop (12 messages, latest: Jan 14 2021 at 18:12)
- Naming instance variables (6 messages, latest: Jan 14 2021 at 17:58)
- Subtraction types? (60 messages, latest: Jan 14 2021 at 16:21)
- rat.denom_zero (8 messages, latest: Jan 14 2021 at 08:40)
- How would you define this sequence? (29 messages, latest: Jan 14 2021 at 08:16)
- placing a lemma about partial orders (8 messages, latest: Jan 14 2021 at 03:17)
- Abstracting types in constructors (12 messages, latest: Jan 14 2021 at 00:45)
- Bitcoin Lean Project (4 messages, latest: Jan 13 2021 at 16:39)
- none ≠ some (13 messages, latest: Jan 13 2021 at 15:32)
- not 0 = 2 (18 messages, latest: Jan 13 2021 at 15:06)
using_well_founded
on third argument (11 messages, latest: Jan 13 2021 at 13:09)forall_congr
on hypothesis (6 messages, latest: Jan 13 2021 at 12:49)- Simplifying equal types (6 messages, latest: Jan 13 2021 at 08:26)
- Proving functions are equal (4 messages, latest: Jan 13 2021 at 00:47)
- generating function of a_n = 1 (33 messages, latest: Jan 12 2021 at 20:50)
- [What is <>?](topic/What.20is.20.3C.3E.3F.html) (15 messages, latest: Jan 12 2021 at 20:21)
- Recurse on
finset
(8 messages, latest: Jan 12 2021 at 14:54) - Lean not compiling (5 messages, latest: Jan 12 2021 at 14:11)
- what is the problem? (5 messages, latest: Jan 12 2021 at 14:08)
- Converse of nat.coprime_pow (10 messages, latest: Jan 12 2021 at 04:56)
- simple equations in pnat (27 messages, latest: Jan 11 2021 at 21:48)
- Eliminating coercions (12 messages, latest: Jan 11 2021 at 20:58)
- Silly disjunction resulting from simp (29 messages, latest: Jan 11 2021 at 18:40)
- image_bUnion (35 messages, latest: Jan 11 2021 at 10:54)
- How do I unfold a complicated function (1 message, latest: Jan 11 2021 at 04:27)
- Intro Lean question (6 messages, latest: Jan 11 2021 at 03:15)
- Is the denominator LCD in rational addition? (77 messages, latest: Jan 11 2021 at 00:48)
- if
x\|a*b
thenx\|a
orx\|b
(18 messages, latest: Jan 11 2021 at 00:11) - Flatten Set (3 messages, latest: Jan 10 2021 at 22:13)
- fin 0 → false (9 messages, latest: Jan 10 2021 at 20:09)
- complex negation (9 messages, latest: Jan 10 2021 at 19:52)
- How to expand a definition (3 messages, latest: Jan 10 2021 at 19:11)
- bijection iff of an equiv (2 messages, latest: Jan 10 2021 at 10:32)
- Golfing and medium-sized PRs to mathlib (8 messages, latest: Jan 10 2021 at 03:41)
- neg_eq_zero for complex numbers? (5 messages, latest: Jan 10 2021 at 02:24)
- Errors in tutorial setup (7 messages, latest: Jan 10 2021 at 00:55)
- Using proof of case to reduce if-then-else expression (4 messages, latest: Jan 09 2021 at 20:32)
- Noncomputable Functions (8 messages, latest: Jan 09 2021 at 10:35)
- Hello & Help! (5 messages, latest: Jan 09 2021 at 07:28)
- {x : X // p x} syntax (6 messages, latest: Jan 09 2021 at 05:22)
- leanproject up (9 messages, latest: Jan 09 2021 at 01:59)
- Integral of real.sqrt (10 messages, latest: Jan 08 2021 at 11:52)
- Cases on even/oddness of a nat? (31 messages, latest: Jan 08 2021 at 09:44)
- finding lemmas efficiently (6 messages, latest: Jan 08 2021 at 05:05)
- Solving ite goals (4 messages, latest: Jan 07 2021 at 23:42)
- Tactics for ⊢ {x : ℝ | ∃ (a b : ℤ), p x a b } = q (3 messages, latest: Jan 07 2021 at 17:43)
- What is going wrong here (10 messages, latest: Jan 07 2021 at 09:04)
- Natural embedding of quotients (19 messages, latest: Jan 06 2021 at 23:51)
- Casting Functions (4 messages, latest: Jan 06 2021 at 19:02)
- Arrow's theorem (20 messages, latest: Jan 06 2021 at 18:24)
- Reverse assume / Deduction Theorem (9 messages, latest: Jan 06 2021 at 11:52)
- Lean cannot show
1 = 1
(18 messages, latest: Jan 06 2021 at 09:23) - encodings (6 messages, latest: Jan 06 2021 at 00:58)
- Extracting indices out of sums (5 messages, latest: Jan 05 2021 at 22:29)
- Issues Setting up VSCode (28 messages, latest: Jan 05 2021 at 20:00)
- What is an oleans file? (7 messages, latest: Jan 05 2021 at 19:26)
- Debugging instance non-matching (2 messages, latest: Jan 05 2021 at 17:46)
- sqrt(3^2) = 3 (9 messages, latest: Jan 05 2021 at 14:56)
- numerals in fin (5 messages, latest: Jan 05 2021 at 07:54)
- Composition series for finite groups (31 messages, latest: Jan 04 2021 at 20:07)
- Proving properties about floating point arithmetic (11 messages, latest: Jan 04 2021 at 08:15)
- ¬ ∃ s : subring ℝ, ∀ x : ℝ, x ∈ s ↔ ∃ a b : ℤ, x = a + b * 5 (61 messages, latest: Jan 04 2021 at 08:07)
- Sending
perm $ option α
toperm α
(31 messages, latest: Jan 04 2021 at 06:18) - Injectivity of pure (6 messages, latest: Jan 03 2021 at 21:21)
- field of fractions (103 messages, latest: Jan 03 2021 at 10:03)
- Surjection from Z into zmod (16 messages, latest: Jan 03 2021 at 03:56)
- typo in advanced proposition world (3 messages, latest: Jan 03 2021 at 01:38)
- struggling to use one_div_pos with casting (5 messages, latest: Jan 02 2021 at 17:00)
- Modules with no 6-torsion (37 messages, latest: Jan 02 2021 at 11:35)
- zip_append not as general as it could be (6 messages, latest: Jan 02 2021 at 10:37)
- Resources for learning Lean (4 messages, latest: Jan 02 2021 at 04:28)
- has_to_pexpr and has_reflect for a function (29 messages, latest: Jan 01 2021 at 20:53)
- effect insert_text move cursor (5 messages, latest: Jan 01 2021 at 16:57)
- Feedback for a gcd( F_n, F_m) = F_{gcd(n, m)} proof (28 messages, latest: Jan 01 2021 at 07:30)
- introducing a weird less-than symbol (2 messages, latest: Jan 01 2021 at 00:59)
- widget component example (5 messages, latest: Dec 31 2020 at 18:55)
- Expansion of mathlib (32 messages, latest: Dec 31 2020 at 17:50)
- recursive function from fin (12 messages, latest: Dec 31 2020 at 17:39)
- Detecting case inside pattern match (10 messages, latest: Dec 31 2020 at 07:26)
- use in tactic (15 messages, latest: Dec 31 2020 at 05:34)
- Weird bugs (11 messages, latest: Dec 31 2020 at 03:56)
- A basic question about tactics (16 messages, latest: Dec 30 2020 at 23:00)
- formalizing definitions for real analysis (851 messages, latest: Dec 30 2020 at 20:23)
- Newbie expressing gratitude (1 message, latest: Dec 30 2020 at 17:39)
- Substituting variable in lamda abstraction in goal (15 messages, latest: Dec 30 2020 at 17:23)
- Newbie with stale question (20 messages, latest: Dec 30 2020 at 16:35)
- ith prime (25 messages, latest: Dec 30 2020 at 12:35)
- ¬(ring ℕ+) (45 messages, latest: Dec 30 2020 at 05:02)
- Using
dec_trivial
to prove equality (29 messages, latest: Dec 29 2020 at 23:35) - decidable_eq with functions (6 messages, latest: Dec 29 2020 at 22:40)
- equality/inequality in subtype (15 messages, latest: Dec 29 2020 at 22:31)
- Interfacing with Coq and PVS (10 messages, latest: Dec 29 2020 at 21:34)
- accessing fields on a type class (24 messages, latest: Dec 29 2020 at 18:05)
- Simple questions about the Natural Number Game (13 messages, latest: Dec 29 2020 at 17:22)
- Heterogenous Equality (3 messages, latest: Dec 29 2020 at 15:21)
- Canonical solutions to Natural Number Game (4 messages, latest: Dec 29 2020 at 11:31)
- rewrite sometimes substitute both sides of the equation (23 messages, latest: Dec 28 2020 at 22:40)
- Is lean installed properly installed? (25 messages, latest: Dec 28 2020 at 22:04)
- defining a list merge function (18 messages, latest: Dec 28 2020 at 19:47)
- lt_le_trans? (5 messages, latest: Dec 28 2020 at 18:55)
- unfold in own tactic (31 messages, latest: Dec 28 2020 at 18:29)
- Eliminating on decidable equality (4 messages, latest: Dec 28 2020 at 18:22)
- valid identifiers (12 messages, latest: Dec 28 2020 at 17:22)
- When does ↑ work? (24 messages, latest: Dec 28 2020 at 17:10)
- get ∃ witness (21 messages, latest: Dec 28 2020 at 10:58)
- Miles (1 message, latest: Dec 28 2020 at 05:00)
- Using ∈ for Parameters (25 messages, latest: Dec 27 2020 at 20:48)
- Understanding Type Classes (13 messages, latest: Dec 27 2020 at 13:46)
- Nat from int and nonneg proof (3 messages, latest: Dec 27 2020 at 00:03)
- eq.rec in goal sub-proof (6 messages, latest: Dec 27 2020 at 00:00)
- Non-necessarily unconditionally convergent series (7 messages, latest: Dec 26 2020 at 14:49)
- question about field_simp (23 messages, latest: Dec 26 2020 at 07:21)
- There is no integer y such that y+y=1 (20 messages, latest: Dec 26 2020 at 02:12)
- Good "style" (16 messages, latest: Dec 26 2020 at 00:38)
- greatRay (3 messages, latest: Dec 25 2020 at 21:27)
- squeezing lemma (4 messages, latest: Dec 25 2020 at 20:42)
- All even integers form an integral domain (26 messages, latest: Dec 25 2020 at 18:49)
- How to prove a target with
ite
by cases (4 messages, latest: Dec 25 2020 at 16:29) - Dependent PRs (9 messages, latest: Dec 25 2020 at 00:55)
- How do I get lamdas to apply outside of a lemma (9 messages, latest: Dec 25 2020 at 00:54)
- How to use match expression recursively? (3 messages, latest: Dec 24 2020 at 23:14)
- [solved] ubuntu [Errno 13] Permission denied: 'leanpkg' (2 messages, latest: Dec 24 2020 at 19:47)
- How do I apply rw to the RHS of an equality (14 messages, latest: Dec 24 2020 at 19:28)
- default operator == for structure ? (15 messages, latest: Dec 24 2020 at 18:37)
- all rational numbers whose denominators are a power of 2 (5 messages, latest: Dec 24 2020 at 06:24)
- How to increase memory threshold in code (26 messages, latest: Dec 24 2020 at 06:20)
- The type of even integers (24 messages, latest: Dec 24 2020 at 01:57)
- Constructing Types (4 messages, latest: Dec 23 2020 at 23:30)
- Lean for "subdomain" (7 messages, latest: Dec 23 2020 at 19:25)
- Type of continuous functions on ℝ≥0 → ℝ (38 messages, latest: Dec 23 2020 at 18:36)
- translation on reals (15 messages, latest: Dec 23 2020 at 16:21)
- Simplifying inductive type inequalities (13 messages, latest: Dec 23 2020 at 00:43)
- finset erase (8 messages, latest: Dec 22 2020 at 20:08)
- issue with multiple list induction in proofs (8 messages, latest: Dec 22 2020 at 19:10)
- Christopher Hoskin (12 messages, latest: Dec 22 2020 at 19:02)
- independent columns (8 messages, latest: Dec 22 2020 at 15:38)
- finset to vector? (16 messages, latest: Dec 22 2020 at 01:09)
- cases by match arms (6 messages, latest: Dec 21 2020 at 18:53)
- The σ-algebra of cylinder sets of Brownian trajectories (6 messages, latest: Dec 21 2020 at 16:41)
- If X is a Borel space then it is measurable iso to R (37 messages, latest: Dec 21 2020 at 09:02)
- Is there a type abbreviation? Should I use 3.X or 4? (9 messages, latest: Dec 20 2020 at 21:52)
- Tracing goals in have and show (4 messages, latest: Dec 20 2020 at 21:06)
- σ-algebra generated by an arbitrary family (2 messages, latest: Dec 20 2020 at 20:34)
- Any tactics to remove hypothesis from context? (3 messages, latest: Dec 20 2020 at 20:30)
- Looking up notation (17 messages, latest: Dec 20 2020 at 20:28)
- Tactic For Subset/Union/Intersection Problems (32 messages, latest: Dec 20 2020 at 18:26)
- How do I tell Lean that a subclass is a kind of the supercla (172 messages, latest: Dec 20 2020 at 17:30)
- Expressing ℕ as a category and Fibonacci as a functor (48 messages, latest: Dec 20 2020 at 14:52)
- Products induces topology on fibers (15 messages, latest: Dec 20 2020 at 13:19)
- Deep Recursion (17 messages, latest: Dec 20 2020 at 00:14)
- Lean 4 docs typos (8 messages, latest: Dec 19 2020 at 18:23)
- Goals which are disjunctions (12 messages, latest: Dec 18 2020 at 21:54)
- ite types (52 messages, latest: Dec 18 2020 at 21:37)
- Solving simple (in)equalities gets frustrating (123 messages, latest: Dec 18 2020 at 13:40)
- strings of fixed length (14 messages, latest: Dec 17 2020 at 17:29)
- Well-foundedness of Cauchy construction of ℝ (16 messages, latest: Dec 17 2020 at 01:49)
- Any tactics for evaluating a function fully? (30 messages, latest: Dec 16 2020 at 23:41)
- learning Lean, running into problems (6 messages, latest: Dec 16 2020 at 17:44)
- Adding new instances (11 messages, latest: Dec 16 2020 at 16:21)
- double negation (6 messages, latest: Dec 16 2020 at 07:29)
- function on fin by cases (29 messages, latest: Dec 15 2020 at 23:08)
- decidable_pred instance not found by typeclass search (2 messages, latest: Dec 15 2020 at 12:11)
- decidable instance not found by typeclass search (1 message, latest: Dec 15 2020 at 10:54)
- Why is this simp lemma failing? (33 messages, latest: Dec 15 2020 at 10:37)
- The innards of simp (4 messages, latest: Dec 15 2020 at 05:14)
- What topological_space is used in B(ℝ)? (89 messages, latest: Dec 14 2020 at 23:06)
- Proving that ℕ is a preorder (15 messages, latest: Dec 14 2020 at 21:56)
- nonempty and set.nonempty (11 messages, latest: Dec 14 2020 at 21:29)
- A bug in cases? (8 messages, latest: Dec 14 2020 at 21:01)
apply
for hypotheses (2 messages, latest: Dec 14 2020 at 15:54)apply
for hypotheses (4 messages, latest: Dec 14 2020 at 13:07)- Equivalent to Coq's remember tactic (5 messages, latest: Dec 14 2020 at 09:10)
- Need help on proving {1,2,3} and P{1,2,3} are nontrivial (9 messages, latest: Dec 14 2020 at 06:37)
- How do I make a type class instance of a finset (34 messages, latest: Dec 14 2020 at 04:17)
- How to define a field of a structure to have type class (7 messages, latest: Dec 13 2020 at 20:58)
- Getting a hypothesis that agrees with the match branch (27 messages, latest: Dec 13 2020 at 16:53)
- How do I make a one out of a set (3 messages, latest: Dec 13 2020 at 14:40)
- fintype.card of coerced set (36 messages, latest: Dec 13 2020 at 14:13)
- De-surgaring Type classes and instances (1 message, latest: Dec 13 2020 at 12:21)
- Git-iquette (18 messages, latest: Dec 13 2020 at 08:19)
- question about the termination checker. (15 messages, latest: Dec 12 2020 at 20:53)
- How to control generated sizeof_spec for inductive types? (12 messages, latest: Dec 12 2020 at 18:54)
- How do I add union as addition to a has_add (37 messages, latest: Dec 12 2020 at 17:32)
- How do I use tactics to perform a reduction on goal (9 messages, latest: Dec 12 2020 at 16:43)
- Question about type parameters to
Exists
(4 messages, latest: Dec 12 2020 at 14:52) - Question regarding sigma type signature (4 messages, latest: Dec 12 2020 at 12:45)
- the word "to" (33 messages, latest: Dec 12 2020 at 05:35)
- Is a namespace a type? (26 messages, latest: Dec 11 2020 at 23:46)
- lemma in mathlib (38 messages, latest: Dec 11 2020 at 20:50)
- A picture of [0,oo] (3 messages, latest: Dec 11 2020 at 14:24)
- lemma placement in mathlib PR (3 messages, latest: Dec 11 2020 at 11:55)
- discrete_topology (129 messages, latest: Dec 11 2020 at 05:06)
- What does attribute mean as body of a class definition (4 messages, latest: Dec 11 2020 at 02:43)
- Associativity of kronecker product (42 messages, latest: Dec 11 2020 at 00:13)
- How do I define equality for enum types? (3 messages, latest: Dec 10 2020 at 23:27)
- What is the difference between abbreviation and def (16 messages, latest: Dec 10 2020 at 18:13)
- removing statements from hypothesis (10 messages, latest: Dec 10 2020 at 17:26)
- "Program Correctness" on Computerphile (13 messages, latest: Dec 10 2020 at 14:55)
- What is a deterministic timeout (44 messages, latest: Dec 10 2020 at 13:47)
- Lean Reference Manual -
structure
syntax (4 messages, latest: Dec 10 2020 at 13:32) - more primrec examples? (3 messages, latest: Dec 10 2020 at 12:22)
- Sigma Types - Dependent Sum or Dependent Product? (4 messages, latest: Dec 10 2020 at 11:49)
- How can I concretize this particular _ type? (2 messages, latest: Dec 10 2020 at 00:38)
- How to convert finset N to list N (15 messages, latest: Dec 09 2020 at 23:28)
- Is there a built in function for function composition? (14 messages, latest: Dec 09 2020 at 23:14)
- exists within an expression (29 messages, latest: Dec 09 2020 at 22:52)
- Why uniform_space? (38 messages, latest: Dec 09 2020 at 20:57)
- Mockingbird combinator puzzles (24 messages, latest: Dec 09 2020 at 19:59)
- What does two dots mean in front of an identifier (3 messages, latest: Dec 09 2020 at 18:18)
- Is it possible to implement infinite loop in lean? (13 messages, latest: Dec 09 2020 at 16:39)
- Fundamental Theorem of Calculus (41 messages, latest: Dec 09 2020 at 15:01)
- (Deleted) (1 message, latest: Dec 09 2020 at 14:39)
- Examples of inductive family type constructors in Lean (3 messages, latest: Dec 09 2020 at 11:27)
- Nested Type Classes (26 messages, latest: Dec 09 2020 at 10:27)
- functional equivalent of breaking out of a loop (15 messages, latest: Dec 08 2020 at 23:45)
- How to get element of list? (7 messages, latest: Dec 08 2020 at 15:02)
- Specifying implicit parameter to
rec_on
(3 messages, latest: Dec 08 2020 at 12:28) - Scalar multiplication in modules (7 messages, latest: Dec 08 2020 at 11:36)
- deriv2 (15 messages, latest: Dec 08 2020 at 05:03)
- How to create element of type
fin 0
(10 messages, latest: Dec 07 2020 at 22:14) - Finite sum of zeroes (21 messages, latest: Dec 07 2020 at 15:52)
- Working with
equiv.swap
(19 messages, latest: Dec 06 2020 at 21:59) - Scott topology in seq (9 messages, latest: Dec 06 2020 at 21:10)
- squeezing simps (7 messages, latest: Dec 06 2020 at 10:12)
- Getting the witnesses from a Sigma type (11 messages, latest: Dec 06 2020 at 07:46)
- Correct sequence to create a Githubable Lean project (26 messages, latest: Dec 06 2020 at 00:17)
- Resolve coercion in hypothesis (65 messages, latest: Dec 05 2020 at 19:50)
- What does
?M_1 xyz
mean? (7 messages, latest: Dec 05 2020 at 15:06) - quotients and equivalence classes (65 messages, latest: Dec 05 2020 at 14:57)
- accessing universal set (7 messages, latest: Dec 05 2020 at 11:47)
- "try this" (10 messages, latest: Dec 04 2020 at 23:11)
- Simp does not solve a comm/assoc problem (14 messages, latest: Dec 04 2020 at 20:51)
- How to access typeclass values? (6 messages, latest: Dec 04 2020 at 16:45)
- mono f (11 messages, latest: Dec 04 2020 at 15:53)
- decidable/finite sets (6 messages, latest: Dec 04 2020 at 15:29)
- Un/currying if-then-else syntax (12 messages, latest: Dec 04 2020 at 13:11)
- Simplify
let ... in ...
in hypothesis (25 messages, latest: Dec 04 2020 at 12:49) - Equal Up to Computation but not "Equal Equal"? (18 messages, latest: Dec 04 2020 at 00:06)
- Unicode on Mac (7 messages, latest: Dec 03 2020 at 20:36)
- mathlib access (8 messages, latest: Dec 03 2020 at 19:18)
- cannot get hypothesis from if then (12 messages, latest: Dec 03 2020 at 18:17)
- Question regarding Inductive Types (5 messages, latest: Dec 03 2020 at 13:27)
- Xena discord (7 messages, latest: Dec 03 2020 at 11:49)
- Nested inductive type with vector (11 messages, latest: Dec 03 2020 at 01:18)
- finding an x s.t. trans_gen R x x (21 messages, latest: Dec 02 2020 at 22:09)
- dite proofs (11 messages, latest: Dec 02 2020 at 21:59)
- what's in an environment? (9 messages, latest: Dec 02 2020 at 19:36)
- unexpected lambda (14 messages, latest: Dec 02 2020 at 19:14)
- telling lean not to compile (9 messages, latest: Dec 02 2020 at 16:55)
- Limitations of meta programming in Lean (18 messages, latest: Dec 02 2020 at 16:39)
- file io / string.to_nat (6 messages, latest: Dec 02 2020 at 16:08)
- More problems with placeholder context (9 messages, latest: Dec 02 2020 at 09:28)
- How do I import metric space in Lean Web Editor (4 messages, latest: Dec 02 2020 at 04:58)
- Schur lemma over algebraically closed fields (27 messages, latest: Dec 02 2020 at 02:20)
- pattern match proof (6 messages, latest: Dec 01 2020 at 22:19)
- citing Lean (3 messages, latest: Dec 01 2020 at 20:52)
- optional arguments for tactics (2 messages, latest: Dec 01 2020 at 17:38)
- golfing
a + b = 0 → a * c = 0 → b * c = 0
(15 messages, latest: Dec 01 2020 at 15:19) - 2 * (2 ^ d - 1) + 1 = 2 ^ d.succ - 1 (7 messages, latest: Dec 01 2020 at 10:05)
- Elaborating the type of a constant (4 messages, latest: Dec 01 2020 at 09:50)
- Example of an essential use of revert (5 messages, latest: Dec 01 2020 at 02:51)
- Choosing, classically (38 messages, latest: Nov 30 2020 at 18:34)
- Modus Ponens In Hypothesis (10 messages, latest: Nov 30 2020 at 18:07)
- named match constructs (19 messages, latest: Nov 30 2020 at 16:28)
- Goldbach's conjecture (9 messages, latest: Nov 30 2020 at 02:58)
- Non-type theorems (6 messages, latest: Nov 30 2020 at 02:14)
- How can I get even to resolve to true (34 messages, latest: Nov 29 2020 at 22:27)
- Escaping fin hell (again) (20 messages, latest: Nov 29 2020 at 18:30)
- Question regarding
Sort
andType
(3 messages, latest: Nov 29 2020 at 13:51) - Unfold all definitions (26 messages, latest: Nov 29 2020 at 13:30)
- What is the equivalent of term-mode assume in tactic mode? (6 messages, latest: Nov 29 2020 at 02:42)
- How do I introduce a Forall in tactic mode (120 messages, latest: Nov 28 2020 at 21:41)
- resolve is_some elegantly (5 messages, latest: Nov 28 2020 at 15:28)
- Transitive closure of transitive (5 messages, latest: Nov 27 2020 at 04:32)
- How does "exact" resolve 2 goals at once? (7 messages, latest: Nov 27 2020 at 01:01)
- Use of "let" in tactic mode (16 messages, latest: Nov 27 2020 at 00:01)
- ccn (new member) (23 messages, latest: Nov 26 2020 at 21:04)
- Need help with exists.intro (31 messages, latest: Nov 26 2020 at 19:15)
- Find min of a set of natural numbers (18 messages, latest: Nov 26 2020 at 15:31)
- Stuck on disjunction of a forall and something (6 messages, latest: Nov 26 2020 at 05:32)
- choosing where we rewrite (16 messages, latest: Nov 26 2020 at 02:01)
- strange deterministic timeout (31 messages, latest: Nov 26 2020 at 00:02)
- add_pos (8 messages, latest: Nov 25 2020 at 21:36)
- boolean vs logic operations (14 messages, latest: Nov 25 2020 at 20:54)
- push_neg takes non-intuitionistic step (4 messages, latest: Nov 25 2020 at 20:25)
- Relation is Ayclical (14 messages, latest: Nov 25 2020 at 19:02)
- Proving complexity bounds (8 messages, latest: Nov 25 2020 at 08:14)
- Try to formalize a high school math problem (11 messages, latest: Nov 25 2020 at 04:10)
- Fully applied lemmas (18 messages, latest: Nov 25 2020 at 00:28)
- global namespace qualifier? (3 messages, latest: Nov 23 2020 at 23:02)
- function.update golf (27 messages, latest: Nov 23 2020 at 15:03)
- has_mem (DCPOs) (13 messages, latest: Nov 22 2020 at 23:33)
- How do I convert ¬(a ∧ b) to ¬a ∨ ¬b in tactic mode? (120 messages, latest: Nov 22 2020 at 21:54)
- rw duplicates an hypothesis (23 messages, latest: Nov 22 2020 at 16:19)
- Noah Weninger (2 messages, latest: Nov 22 2020 at 11:29)
- Rewriting
fin n
in summations (16 messages, latest: Nov 22 2020 at 07:48) - How do I prove ¬¬p → p (3 messages, latest: Nov 22 2020 at 02:43)
- need help on simple proof (229 messages, latest: Nov 21 2020 at 15:20)
- Introducing myself + Naming Conventions (13 messages, latest: Nov 21 2020 at 13:24)
- Splitting
\[fintype n\] (v: n → R)
into a sum of basis elems (11 messages, latest: Nov 21 2020 at 09:33) - Structure unpacking again (24 messages, latest: Nov 20 2020 at 17:44)
- Defining degenerate quadratic forms (109 messages, latest: Nov 20 2020 at 16:45)
- Existential quantifier to negation of universal quantifier (16 messages, latest: Nov 20 2020 at 12:52)
- exists distribution over and (4 messages, latest: Nov 20 2020 at 06:41)
- Classical propositional logic- completeness and soundess (5 messages, latest: Nov 19 2020 at 16:39)
- Confusion about ≤ in UFD (19 messages, latest: Nov 18 2020 at 22:06)
- Regivan (14 messages, latest: Nov 18 2020 at 21:39)
- probability and sets? (17 messages, latest: Nov 18 2020 at 18:34)
- replace (f x) by ((\lam x, f x) x) (16 messages, latest: Nov 18 2020 at 15:20)
- Existential Quantifier Elimination (4 messages, latest: Nov 18 2020 at 04:15)
- inferred Type universe in functors (16 messages, latest: Nov 17 2020 at 22:32)
- From exists_unique to a function (52 messages, latest: Nov 17 2020 at 15:38)
- Comm ring for
fin n
(20 messages, latest: Nov 16 2020 at 17:48) - Strange behavior of
mul_eq_zero
(18 messages, latest: Nov 15 2020 at 10:17) - Defining Properties of a Semigroup (4 messages, latest: Nov 15 2020 at 08:56)
- $ in Lean (38 messages, latest: Nov 15 2020 at 02:37)
- Gauss's lemma for polynomials (62 messages, latest: Nov 14 2020 at 21:46)
- What do empty () [] {} mean in struct fields? (20 messages, latest: Nov 14 2020 at 20:52)
- fun in goal (3 messages, latest: Nov 14 2020 at 16:24)
- factorise (?) quantifier in a goal (5 messages, latest: Nov 14 2020 at 10:58)
- Addition World Level 2 (28 messages, latest: Nov 14 2020 at 08:46)
- Primes and modular arithmetic. (280 messages, latest: Nov 14 2020 at 00:36)
- Fiddly calculations. (24 messages, latest: Nov 13 2020 at 21:48)
- Flat modules (36 messages, latest: Nov 13 2020 at 20:44)
- contraposition (18 messages, latest: Nov 13 2020 at 19:36)
- Odd/Even Kata (17 messages, latest: Nov 13 2020 at 12:32)
- Logarithm Injective / Surjective (7 messages, latest: Nov 13 2020 at 09:53)
- Lp spaces (15 messages, latest: Nov 12 2020 at 20:48)
- Lean infoview not displaying anything (12 messages, latest: Nov 12 2020 at 20:38)
- Induction on a submonoid (57 messages, latest: Nov 12 2020 at 09:34)
- Why does the following code doesn't type check? (5 messages, latest: Nov 12 2020 at 00:11)
- How to use unique existence? (10 messages, latest: Nov 11 2020 at 23:18)
- tactic mode automatic names (16 messages, latest: Nov 11 2020 at 15:38)
- refl for a = b -> a = b? (25 messages, latest: Nov 11 2020 at 05:04)
- Typeclasses on categories, syntax issues (41 messages, latest: Nov 11 2020 at 01:06)
- basic Union (19 messages, latest: Nov 11 2020 at 00:30)
- graphs (3 messages, latest: Nov 11 2020 at 00:18)
- Do nested sets containing all elements include set.univ? (22 messages, latest: Nov 10 2020 at 19:38)
- real analysis (6 messages, latest: Nov 10 2020 at 16:41)
- deterministic timeout (100 messages, latest: Nov 10 2020 at 00:11)
- infix (4 messages, latest: Nov 09 2020 at 20:56)
- tutorials (14 messages, latest: Nov 09 2020 at 19:20)
- Frustration with simple
nat
lemmas (6 messages, latest: Nov 09 2020 at 11:13) - casting between rational/real (9 messages, latest: Nov 09 2020 at 01:28)
- problems with equation compiler & subsets (4 messages, latest: Nov 08 2020 at 17:56)
- The pieces of proofs (133 messages, latest: Nov 07 2020 at 20:00)
- Lean being slow (10 messages, latest: Nov 07 2020 at 18:33)
- injective function (18 messages, latest: Nov 07 2020 at 11:42)
- Equivalent to python range function (2 messages, latest: Nov 07 2020 at 11:40)
- using union (14 messages, latest: Nov 07 2020 at 01:21)
- How to type calligraphic characters (8 messages, latest: Nov 06 2020 at 17:23)
- Negating a Prop without lambdas (122 messages, latest: Nov 06 2020 at 15:27)
- basic lean commands (19 messages, latest: Nov 06 2020 at 01:19)
- How to get Subtypes to inherit typeclasses (6 messages, latest: Nov 05 2020 at 21:15)
- Proving a square isn't 2 mod 3 (9 messages, latest: Nov 05 2020 at 15:36)
- dsimp strange behaviour (83 messages, latest: Nov 04 2020 at 20:49)
- First order recurrence (16 messages, latest: Nov 04 2020 at 15:32)
- using surjective (7 messages, latest: Nov 04 2020 at 04:26)
- slow CL execution/imports (3 messages, latest: Nov 03 2020 at 18:42)
- let expression with typing statement? (5 messages, latest: Nov 03 2020 at 18:20)
- unfold
<
(16 messages, latest: Nov 03 2020 at 18:15) - accessing typeclass member fails (8 messages, latest: Nov 03 2020 at 15:58)
- failed to synthesize type class instance decidable_pred (28 messages, latest: Nov 02 2020 at 21:52)
- type constraints (6 messages, latest: Nov 02 2020 at 12:55)
- Decidable equality (finite) (3 messages, latest: Nov 02 2020 at 01:17)
- Mutual recursion/induction (5 messages, latest: Nov 02 2020 at 00:10)
- inner product on R^n (22 messages, latest: Nov 01 2020 at 20:11)
- module parameters (8 messages, latest: Nov 01 2020 at 13:57)
- decidable_prep on even (1 message, latest: Nov 01 2020 at 07:42)
- Prove sizeof small (31 messages, latest: Nov 01 2020 at 07:39)
- Access to Abel-Ruffini branch (2 messages, latest: Nov 01 2020 at 03:51)
- Unable to import (7 messages, latest: Nov 01 2020 at 01:49)
- eliminating self coercion (7 messages, latest: Oct 31 2020 at 18:42)
- Why does this following code doesn't type check? (3 messages, latest: Oct 31 2020 at 17:19)
- Where were these lemmas moved to? (10 messages, latest: Oct 31 2020 at 09:39)
- rw not rw'ing (12 messages, latest: Oct 31 2020 at 03:59)
- simp_nf linter (6 messages, latest: Oct 30 2020 at 19:14)
- Formalizing Dedekind cuts (25 messages, latest: Oct 30 2020 at 19:07)
- Defining walks (9 messages, latest: Oct 30 2020 at 15:55)
- Type with one element (4 messages, latest: Oct 30 2020 at 14:37)
- debugging (6 messages, latest: Oct 29 2020 at 22:26)
- rewriting equivalences (16 messages, latest: Oct 29 2020 at 20:32)
- reusing functions/defs for quotients (2 messages, latest: Oct 29 2020 at 18:07)
- simp not resolving an "and.intro rfl rfl" (2 messages, latest: Oct 29 2020 at 02:02)
- Projecting Class Members (39 messages, latest: Oct 28 2020 at 15:51)
- Notation of linear_algebra.dual (9 messages, latest: Oct 28 2020 at 14:17)
- Fintype/finset (2 messages, latest: Oct 28 2020 at 14:16)
- Return a value where the type depends on input values? (4 messages, latest: Oct 28 2020 at 12:50)
- equality manipulation (4 messages, latest: Oct 28 2020 at 08:46)
- Naming a lemma for vector (9 messages, latest: Oct 27 2020 at 22:01)
- Using definition of topology (17 messages, latest: Oct 27 2020 at 19:54)
- fast data structures? (4 messages, latest: Oct 27 2020 at 18:46)
- vector_map_id missing? (14 messages, latest: Oct 27 2020 at 14:59)
- first match (19 messages, latest: Oct 27 2020 at 08:43)
- push_neg (50 messages, latest: Oct 27 2020 at 02:01)
- Witness of existential hypothesis (12 messages, latest: Oct 26 2020 at 23:48)
- algebraic structures (250 messages, latest: Oct 26 2020 at 21:08)
- No surjection from a set to its powerset (32 messages, latest: Oct 26 2020 at 17:40)
- Unfold sum over zmod (11 messages, latest: Oct 26 2020 at 15:44)
- derive fintype (83 messages, latest: Oct 26 2020 at 14:19)
- normed and discrete_linear_ordered field (5 messages, latest: Oct 26 2020 at 13:23)
- Cardinality as a real number (11 messages, latest: Oct 26 2020 at 05:47)
- rfl with underscore in equation compiler (9 messages, latest: Oct 25 2020 at 20:11)
- Proposition as alias for Theorem? (10 messages, latest: Oct 25 2020 at 16:35)
- PR 4715 (9 messages, latest: Oct 25 2020 at 10:07)
- Induction on something not in local context (10 messages, latest: Oct 24 2020 at 16:19)
- Working efficiently with set.piecewise/ite (18 messages, latest: Oct 24 2020 at 15:57)
- smallest subset (58 messages, latest: Oct 24 2020 at 08:35)
- max vs sum? (8 messages, latest: Oct 23 2020 at 22:50)
- Memory consumption of mathlib (68 messages, latest: Oct 23 2020 at 18:21)
- if_neg (28 messages, latest: Oct 23 2020 at 14:22)
- bool=Prop? (12 messages, latest: Oct 23 2020 at 11:12)
- Show tactic failed (32 messages, latest: Oct 23 2020 at 09:18)
- pattern matching in lambdas and props (8 messages, latest: Oct 23 2020 at 08:41)
- Removed from mathlib (12 messages, latest: Oct 23 2020 at 08:37)
- Timeout tips? (6 messages, latest: Oct 23 2020 at 06:38)
- has_zero equality (11 messages, latest: Oct 22 2020 at 16:37)
- Semantics Update Syntax? (15 messages, latest: Oct 22 2020 at 16:16)
- Conclusion of the type of a term. (6 messages, latest: Oct 22 2020 at 00:52)
- Implicit problem (8 messages, latest: Oct 21 2020 at 23:15)
- using patterns in eq compiler (39 messages, latest: Oct 21 2020 at 21:11)
- proof of false, but false is not the goal (54 messages, latest: Oct 21 2020 at 21:05)
- has_deriv_at for function defined on open set (16 messages, latest: Oct 21 2020 at 15:25)
- Introducing myself + algebraic topology (70 messages, latest: Oct 21 2020 at 14:57)
- Newbie Question (11 messages, latest: Oct 21 2020 at 11:17)
- Hiding imports (3 messages, latest: Oct 21 2020 at 02:17)
- caching information in a tactic (10 messages, latest: Oct 21 2020 at 01:31)
- a cheat-sheet tactic (8 messages, latest: Oct 20 2020 at 16:07)
- Some questions about working with sets (36 messages, latest: Oct 20 2020 at 08:32)
- multiple names for a lemma (19 messages, latest: Oct 20 2020 at 07:32)
- trouble with introv (11 messages, latest: Oct 19 2020 at 21:36)
- Recursively defined sequence within proof (10 messages, latest: Oct 19 2020 at 21:13)
- figuring out why something isn't decidable (8 messages, latest: Oct 19 2020 at 20:58)
- tactic preference (104 messages, latest: Oct 19 2020 at 17:56)
- How to simplify structure construction + field extraction (18 messages, latest: Oct 19 2020 at 16:24)
- [SOLVED] Confusing recursion error message (1 message, latest: Oct 19 2020 at 15:15)
- failed to unify identical things? (12 messages, latest: Oct 19 2020 at 12:10)
- Strong induction on pnat (11 messages, latest: Oct 19 2020 at 08:55)
- Partial unrolling of ∏ over a range? (6 messages, latest: Oct 18 2020 at 20:09)
- is less than transitive (9 messages, latest: Oct 18 2020 at 19:14)
- Reducing functions that return types (7 messages, latest: Oct 18 2020 at 18:33)
- ite return type (8 messages, latest: Oct 18 2020 at 18:21)
- Confusing recursion error message (7 messages, latest: Oct 18 2020 at 16:16)
- sigma.topological_space (22 messages, latest: Oct 17 2020 at 15:32)
- different types of Lean expressions (16 messages, latest: Oct 16 2020 at 23:17)
- ring_hom to algebra? (12 messages, latest: Oct 16 2020 at 21:35)
- Type theory without non-trivial reflexivity proofs? (4 messages, latest: Oct 16 2020 at 15:50)
- Rw inside a sum (26 messages, latest: Oct 16 2020 at 14:27)
- Proof-term equivalence? (3 messages, latest: Oct 16 2020 at 12:33)
- Stopping VSCode from recompiling mathlib (172 messages, latest: Oct 16 2020 at 10:11)
- printing lemma statements (16 messages, latest: Oct 16 2020 at 06:37)
- mechanisms to search through mathlilb (52 messages, latest: Oct 16 2020 at 04:49)
- neevor (3 messages, latest: Oct 16 2020 at 00:26)
- debugging tactics (3 messages, latest: Oct 15 2020 at 22:30)
- Inferring fintype for a function (5 messages, latest: Oct 15 2020 at 21:53)
- Injective under exists (4 messages, latest: Oct 15 2020 at 21:12)
- Eliminating a set into an element (11 messages, latest: Oct 15 2020 at 17:28)
- rewrite in one location only (8 messages, latest: Oct 15 2020 at 10:33)
- [SOLVED] Induction and well-founded recursion (1 message, latest: Oct 15 2020 at 09:01)
- Vs code interface questions (9 messages, latest: Oct 15 2020 at 00:39)
- focus1 tactic (24 messages, latest: Oct 14 2020 at 22:56)
- Induction and well-founded recursion (12 messages, latest: Oct 14 2020 at 22:49)
- timeout in
cases
(71 messages, latest: Oct 14 2020 at 00:30) - inductive fintype membership (11 messages, latest: Oct 13 2020 at 20:56)
- mathematics in Lean: sets (3 messages, latest: Oct 13 2020 at 14:08)
- 4 | 2 → false (13 messages, latest: Oct 13 2020 at 12:01)
- nonterminal simp (14 messages, latest: Oct 13 2020 at 05:01)
- Fixing propositions (16 messages, latest: Oct 13 2020 at 04:32)
- asserting a structure produces an error (3 messages, latest: Oct 12 2020 at 13:52)
- Beautify code (40 messages, latest: Oct 12 2020 at 05:23)
- How to use dvd_of_mul_left_dvd and friends? (8 messages, latest: Oct 11 2020 at 20:23)
- more inner product spaces (22 messages, latest: Oct 11 2020 at 18:27)
- Zmod simple proofs (4 messages, latest: Oct 11 2020 at 15:33)
- Explicitly specifying one particular argument (18 messages, latest: Oct 11 2020 at 14:22)
- ["let x be an integer such that "](topic/.22let.20x.20be.20an.20integer.20such.20that.20.22.html) (9 messages, latest: Oct 11 2020 at 04:34)
- Show that the discrete topology is t2 (35 messages, latest: Oct 10 2020 at 22:06)
- calculus of constructions defined in Lean (16 messages, latest: Oct 10 2020 at 14:25)
simp
vssimpa
(16 messages, latest: Oct 10 2020 at 01:15)- structure default for proof fields (32 messages, latest: Oct 09 2020 at 22:27)
- Unfolding function coercion (9 messages, latest: Oct 09 2020 at 13:02)
- Trouble with leanproject (5 messages, latest: Oct 09 2020 at 12:05)
- Problem extending classes (36 messages, latest: Oct 09 2020 at 09:41)
- unable to rw (6 messages, latest: Oct 09 2020 at 07:49)
- error message from non-existent file (3 messages, latest: Oct 09 2020 at 03:41)
- fin induction principle (3 messages, latest: Oct 08 2020 at 22:29)
- squeeze_simp differs from simp (11 messages, latest: Oct 08 2020 at 17:02)
- Course-of-values recursion (3 messages, latest: Oct 08 2020 at 09:11)
- Improve code: root multiplicity of a sum (14 messages, latest: Oct 08 2020 at 06:40)
- bounding limits cont'd (5 messages, latest: Oct 08 2020 at 02:20)
- Induction with more than one base case (3 messages, latest: Oct 07 2020 at 22:58)
- Obtain function from exists_unique (12 messages, latest: Oct 07 2020 at 21:47)
- ennreal not \le itself? (9 messages, latest: Oct 07 2020 at 21:36)
- getting more information on an error (10 messages, latest: Oct 07 2020 at 21:34)
- mul3_eq_zero (3 messages, latest: Oct 07 2020 at 21:16)
- generalized induction (8 messages, latest: Oct 07 2020 at 19:00)
- git and leanproject (3 messages, latest: Oct 07 2020 at 17:46)
- inner product on subspaces (53 messages, latest: Oct 07 2020 at 15:22)
- Confusion about a finset (18 messages, latest: Oct 07 2020 at 13:52)
- deep recursion was detected at 'replace' (43 messages, latest: Oct 07 2020 at 11:22)
- nat.add_comm need hints for rewriting (12 messages, latest: Oct 06 2020 at 07:21)
- unexpected "bit0", "bit1" etc (37 messages, latest: Oct 06 2020 at 05:09)
- logic manipulation (3 messages, latest: Oct 06 2020 at 04:18)
- simplifying nat.digits (34 messages, latest: Oct 05 2020 at 22:46)
- Curiosity about class instances in mathlib docs (10 messages, latest: Oct 05 2020 at 13:29)
- [SOLVED] Closure on sets (23 messages, latest: Oct 05 2020 at 12:55)
- Dihedral Groups (11 messages, latest: Oct 05 2020 at 06:24)
- error with (zmod p) (21 messages, latest: Oct 05 2020 at 06:22)
- lim (Re) = Re( lim)? (24 messages, latest: Oct 05 2020 at 01:04)
- interpreting a traceback (22 messages, latest: Oct 05 2020 at 00:27)
- embedding into completion (41 messages, latest: Oct 04 2020 at 19:25)
- finsupp sum of single (6 messages, latest: Oct 04 2020 at 14:04)
- Applying to hypotheses (7 messages, latest: Oct 04 2020 at 00:11)
- de morgan (13 messages, latest: Oct 03 2020 at 23:55)
- Question about VS Code (53 messages, latest: Oct 03 2020 at 20:43)
- Substitution lemma (25 messages, latest: Oct 03 2020 at 18:11)
- continuous_on_of_convex_on_open (11 messages, latest: Oct 03 2020 at 15:26)
decidable (h = 0)
forring α
(25 messages, latest: Oct 03 2020 at 08:39)- finish (1 message, latest: Oct 03 2020 at 03:39)
- goal is
true
(17 messages, latest: Oct 02 2020 at 15:32) - What does
‹_›
mean? (7 messages, latest: Oct 02 2020 at 12:31) - basic tactic writing (14 messages, latest: Oct 02 2020 at 11:30)
- bounding limits (16 messages, latest: Oct 02 2020 at 00:02)
- Alternative to have followed by repeat {assumption} (15 messages, latest: Oct 02 2020 at 00:01)
- Idiomatic rw of equality (9 messages, latest: Oct 01 2020 at 19:03)
- debugging inefficient tactics (75 messages, latest: Oct 01 2020 at 18:26)
- easy zmod proof (36 messages, latest: Oct 01 2020 at 17:49)
- reduce iff? (4 messages, latest: Oct 01 2020 at 14:08)
- Rewriting hypotheses in (d)ites (12 messages, latest: Oct 01 2020 at 03:10)
- modular arithmetic (109 messages, latest: Oct 01 2020 at 02:21)
- simplifying divisor statements (31 messages, latest: Sep 30 2020 at 23:27)
- Numbers Game (19 messages, latest: Sep 30 2020 at 20:57)
- gcd (5 messages, latest: Sep 30 2020 at 18:29)
- Filters in mathlib (4 messages, latest: Sep 30 2020 at 16:00)
- arithmetic in ℝ (4 messages, latest: Sep 30 2020 at 11:28)
- induction (62 messages, latest: Sep 30 2020 at 07:14)
- Constantly compiling in VSCode (15 messages, latest: Sep 29 2020 at 21:30)
- Easy to get started (67 messages, latest: Sep 29 2020 at 18:57)
- Function from {0,1…,n-1} (6 messages, latest: Sep 29 2020 at 15:10)
- (∀ (n : ℤ), P n) ∨ ∀ (n : ℤ), ¬P n (17 messages, latest: Sep 29 2020 at 08:09)
- syntax question (7 messages, latest: Sep 29 2020 at 06:17)
- tactic wishlist? (7 messages, latest: Sep 29 2020 at 02:08)
- Fixed arguments in recursive calls (2 messages, latest: Sep 28 2020 at 19:23)
- Coq equivalent to eapply/erewrite (3 messages, latest: Sep 28 2020 at 18:24)
- Type of sets containing a given set (12 messages, latest: Sep 28 2020 at 18:06)
- excessive memory consumption? (19 messages, latest: Sep 28 2020 at 17:25)
- Henry Story (17 messages, latest: Sep 28 2020 at 08:54)
- Jay Williams (59 messages, latest: Sep 28 2020 at 07:46)
- doc-gen for a non-mathlib project (5 messages, latest: Sep 28 2020 at 00:50)
- generalize to predicate of any order (22 messages, latest: Sep 27 2020 at 20:05)
- Abhishek Chugh (19 messages, latest: Sep 27 2020 at 12:45)
- canceling through in rat (12 messages, latest: Sep 27 2020 at 03:26)
- Hardware demand after mathlib upgrade (39 messages, latest: Sep 27 2020 at 01:46)
- substring (44 messages, latest: Sep 26 2020 at 20:07)
- Pattern matching with dependent types (8 messages, latest: Sep 26 2020 at 10:18)
- linux binary installation (3 messages, latest: Sep 26 2020 at 06:07)
- teaching simp about my structure (5 messages, latest: Sep 26 2020 at 02:31)
- polynomial simplification? (97 messages, latest: Sep 26 2020 at 01:49)
- Induction on well founded relation (5 messages, latest: Sep 26 2020 at 00:51)
- Windows Installation Issue (61 messages, latest: Sep 25 2020 at 17:03)
- coinductive types (7 messages, latest: Sep 25 2020 at 14:59)
- supremum (36 messages, latest: Sep 25 2020 at 14:47)
- rw sytax (4 messages, latest: Sep 25 2020 at 14:02)
- leanproject import-graph (18 messages, latest: Sep 25 2020 at 13:12)
- Translating proofs between proof systems (42 messages, latest: Sep 25 2020 at 12:37)
- leanproject/python problem (27 messages, latest: Sep 25 2020 at 02:50)
- Maths_in_lean book example. (5 messages, latest: Sep 25 2020 at 01:19)
- |exp|? (26 messages, latest: Sep 25 2020 at 00:41)
- power series (22 messages, latest: Sep 24 2020 at 20:52)
- negated forall (22 messages, latest: Sep 24 2020 at 17:03)
- division_def not working? (14 messages, latest: Sep 24 2020 at 16:30)
- Setting up tutorials (6 messages, latest: Sep 24 2020 at 16:01)
- polynomial: .to_fun vs .coeff (10 messages, latest: Sep 24 2020 at 12:25)
- Prove using the defn (11 messages, latest: Sep 24 2020 at 08:46)
- School math from scratch (23 messages, latest: Sep 24 2020 at 03:31)
- pattern matching in equation compiler (8 messages, latest: Sep 23 2020 at 20:10)
- "almost" equal proofs (14 messages, latest: Sep 23 2020 at 19:58)
- decidable surjectivity over fintypes (8 messages, latest: Sep 22 2020 at 19:21)
- Avoid one
have
(20 messages, latest: Sep 22 2020 at 17:15) - finset members (22 messages, latest: Sep 22 2020 at 12:00)
- understanding syntax (9 messages, latest: Sep 22 2020 at 09:54)
- Hacking in Lean3 (37 messages, latest: Sep 22 2020 at 06:46)
- congr under an existential (14 messages, latest: Sep 21 2020 at 22:43)
- heq to eq (18 messages, latest: Sep 21 2020 at 20:06)
- redefining nat (24 messages, latest: Sep 21 2020 at 17:12)
- ne for compound types (17 messages, latest: Sep 21 2020 at 17:10)
- Uninstall Lean (16 messages, latest: Sep 21 2020 at 16:34)
- band, bor (66 messages, latest: Sep 21 2020 at 16:23)
- rewrite goal (22 messages, latest: Sep 21 2020 at 15:34)
- Inequality notation (3 messages, latest: Sep 21 2020 at 15:03)
- definition of rec (41 messages, latest: Sep 21 2020 at 13:40)
- ring vs ring_theory (9 messages, latest: Sep 21 2020 at 13:31)
- mul_left_cancel for integral domains (46 messages, latest: Sep 21 2020 at 12:35)
- sets with two elements (45 messages, latest: Sep 21 2020 at 10:09)
- "rewrite" using an implication (3 messages, latest: Sep 20 2020 at 23:54)
- Reasoning about types within/before lemma parameter (11 messages, latest: Sep 19 2020 at 22:04)
- vertical lines in the file (2 messages, latest: Sep 19 2020 at 20:41)
- Natural Numbers Game (269 messages, latest: Sep 19 2020 at 16:57)
- Dangerous instance vs elaboration problems (2 messages, latest: Sep 19 2020 at 15:58)
- Idiomatic/easiest way to deal with vectors (13 messages, latest: Sep 19 2020 at 09:33)
- unique existential quantifier (36 messages, latest: Sep 19 2020 at 08:34)
- permission for mzinkevi to push to github (3 messages, latest: Sep 19 2020 at 02:38)
- Instance resolution (34 messages, latest: Sep 17 2020 at 14:52)
- hitchhikers guide (119 messages, latest: Sep 17 2020 at 09:01)
- \not\subseteq in Lean (9 messages, latest: Sep 17 2020 at 06:13)
- set equals empty set in hypothesis (13 messages, latest: Sep 17 2020 at 04:33)
- file 'topology/basic' not found in the search path (4 messages, latest: Sep 17 2020 at 03:03)
- linarith on coerced fins (4 messages, latest: Sep 16 2020 at 20:28)
- Style for section and namespace (14 messages, latest: Sep 16 2020 at 12:45)
- the expression 'Lean' (13 messages, latest: Sep 16 2020 at 09:11)
- infix notation (6 messages, latest: Sep 16 2020 at 07:03)
- equality of sets (15 messages, latest: Sep 15 2020 at 23:22)
- Advice on Definitions (202 messages, latest: Sep 15 2020 at 17:51)
- How to write a proof by contradiction? (16 messages, latest: Sep 15 2020 at 13:29)
- How to rewrite parts of a theorem? (3 messages, latest: Sep 15 2020 at 06:42)
- propositional logic (10 messages, latest: Sep 15 2020 at 06:22)
- Paul Boes (41 messages, latest: Sep 14 2020 at 21:03)
- prod on type level (5 messages, latest: Sep 14 2020 at 20:34)
- Theorems on finite groups, rings, and fields (14 messages, latest: Sep 14 2020 at 20:08)
- build warning (2 messages, latest: Sep 14 2020 at 19:40)
- trouble installing Python (5 messages, latest: Sep 14 2020 at 18:46)
- p p : P, (14 messages, latest: Sep 14 2020 at 16:10)
- has_pow nat (6 messages, latest: Sep 14 2020 at 13:13)
- big oh (4 messages, latest: Sep 14 2020 at 12:49)
- intellisense (2 messages, latest: Sep 13 2020 at 22:38)
- have h61:= h60 h14 doesn't work as expected (1 message, latest: Sep 13 2020 at 21:46)
- prelude? (15 messages, latest: Sep 13 2020 at 17:37)
- proofs broken after upgrade (33 messages, latest: Sep 12 2020 at 17:30)
- LaTeX and lstlean (7 messages, latest: Sep 12 2020 at 16:59)
- Specifying Domain of a Functor (8 messages, latest: Sep 12 2020 at 14:13)
- Lifting Prop to Type (16 messages, latest: Sep 12 2020 at 14:12)
- rewrite and reflexivity (4 messages, latest: Sep 12 2020 at 13:05)
- ifinish (5 messages, latest: Sep 12 2020 at 07:35)
- or.inl and or.inr (2 messages, latest: Sep 12 2020 at 05:40)
- leanpkg and leanproject (6 messages, latest: Sep 12 2020 at 04:19)
- split my file into two (11 messages, latest: Sep 11 2020 at 09:33)
- #check and #check@ (197 messages, latest: Sep 11 2020 at 07:50)
- polynomial degree (76 messages, latest: Sep 10 2020 at 18:39)
- emails for co authored by (3 messages, latest: Sep 10 2020 at 17:06)
- recursive let in (14 messages, latest: Sep 10 2020 at 14:24)
- Expressing the size of structures in FOL (7 messages, latest: Sep 10 2020 at 13:57)
- restrict_scalars (10 messages, latest: Sep 10 2020 at 13:53)
- barber's paradox (8 messages, latest: Sep 10 2020 at 10:47)
- simple proof with coercions (30 messages, latest: Sep 10 2020 at 06:30)
- pigeonhole lemma (34 messages, latest: Sep 10 2020 at 06:11)
- sum of inequalities of functions (9 messages, latest: Sep 10 2020 at 06:11)
- how to turn goal into a hypothesis automatically (7 messages, latest: Sep 10 2020 at 03:44)
- Instead of doing cases many times (3 messages, latest: Sep 10 2020 at 01:28)
- version (14 messages, latest: Sep 09 2020 at 23:46)
- Lean's processing (7 messages, latest: Sep 09 2020 at 22:28)
- let or def inside a proof (12 messages, latest: Sep 09 2020 at 22:05)
- existential quantifier in a goal (11 messages, latest: Sep 09 2020 at 15:29)
- monotone decreasing
ℕ → ℕ
(44 messages, latest: Sep 09 2020 at 12:39) finset
offintype
(15 messages, latest: Sep 09 2020 at 10:33)- why does an anonymous assume need extra colon? (16 messages, latest: Sep 09 2020 at 09:25)
- TPL, Ex 4.6.2 b (9 messages, latest: Sep 09 2020 at 05:59)
- involution and ite (6 messages, latest: Sep 08 2020 at 22:11)
- Basic questions (30 messages, latest: Sep 08 2020 at 19:57)
- inferring coe as a function (2 messages, latest: Sep 08 2020 at 18:48)
- fix this unfold? (22 messages, latest: Sep 08 2020 at 15:22)
- how to destructure tuple in function definition (9 messages, latest: Sep 08 2020 at 14:50)
- applying one expr to another (32 messages, latest: Sep 08 2020 at 08:36)
- Where to rewrite (5 messages, latest: Sep 08 2020 at 04:56)
- Limit of real->real (24 messages, latest: Sep 08 2020 at 01:50)
- breaking up a long conjunction (14 messages, latest: Sep 07 2020 at 19:06)
- file 'data\int\basic' not found in the LEAN_PATH (44 messages, latest: Sep 07 2020 at 18:33)
- contrapose (39 messages, latest: Sep 07 2020 at 18:05)
- support_add (178 messages, latest: Sep 07 2020 at 12:59)
- universal instantiation (11 messages, latest: Sep 07 2020 at 11:36)
- Quadratic, cubic, and quartic formulas (31 messages, latest: Sep 07 2020 at 06:41)
- not equals (25 messages, latest: Sep 06 2020 at 17:12)
- basic class setup and reflexivity (4 messages, latest: Sep 06 2020 at 17:02)
- "bundled" (7 messages, latest: Sep 06 2020 at 16:15)
- Expression to nice looking nat (3 messages, latest: Sep 06 2020 at 15:38)
- mysterious message (41 messages, latest: Sep 06 2020 at 05:34)
- Nondeterminism and Meta (6 messages, latest: Sep 06 2020 at 05:09)
- Fighting type class inference (19 messages, latest: Sep 05 2020 at 21:21)
- ring solver (8 messages, latest: Sep 05 2020 at 16:01)
- use previous lemma and current hypothesis (3 messages, latest: Sep 05 2020 at 15:42)
- define empty set (52 messages, latest: Sep 05 2020 at 15:37)
- reduce goal (14 messages, latest: Sep 05 2020 at 15:12)
- postfix constructors? (5 messages, latest: Sep 05 2020 at 14:00)
- term for non-inductive inductive definition? (3 messages, latest: Sep 05 2020 at 13:36)
- simplify nat-semiring (33 messages, latest: Sep 05 2020 at 03:25)
- mathematics in Lean (29 messages, latest: Sep 05 2020 at 01:57)
- Implicit argument inclusion (7 messages, latest: Sep 05 2020 at 01:52)
- Addition the wrong way around (16 messages, latest: Sep 04 2020 at 23:27)
- Subtypes for provably equal sets (13 messages, latest: Sep 04 2020 at 19:44)
- How to contribute (5 messages, latest: Sep 04 2020 at 18:21)
- constructor prefixes (5 messages, latest: Sep 04 2020 at 16:28)
- change print depth? (1 message, latest: Sep 04 2020 at 16:05)
- Elaborating values in expresions (7 messages, latest: Sep 04 2020 at 10:41)
- Lean guessing the wrong function (5 messages, latest: Sep 04 2020 at 10:16)
- How does
instantiate_vars
work? (14 messages, latest: Sep 03 2020 at 21:33) - simp (14 messages, latest: Sep 03 2020 at 17:07)
- mul_left_cancel (3 messages, latest: Sep 03 2020 at 15:26)
- Function on equal types (68 messages, latest: Sep 03 2020 at 06:08)
- local attribute [instance] (6 messages, latest: Sep 03 2020 at 06:00)
- duplicate a hypothesis (4 messages, latest: Sep 03 2020 at 05:01)
- Proving that C2 inside Z/n has size 2 (8 messages, latest: Sep 03 2020 at 04:10)
- type vs set for finite measure (35 messages, latest: Sep 02 2020 at 21:35)
- negative natural numbers (119 messages, latest: Sep 02 2020 at 12:55)
- implication introduction (13 messages, latest: Sep 02 2020 at 05:09)
- Noncomputable polynomials (24 messages, latest: Sep 01 2020 at 22:01)
ring
with denominators (7 messages, latest: Sep 01 2020 at 21:13)- Conditionally assigning variables (48 messages, latest: Sep 01 2020 at 20:16)
- Generalized Rolle theorem (27 messages, latest: Sep 01 2020 at 11:27)
- opens as a category (5 messages, latest: Aug 31 2020 at 22:47)
- Weird Type Mismatch error (68 messages, latest: Aug 31 2020 at 14:17)
- principal submodules (22 messages, latest: Aug 31 2020 at 12:36)
- Bug in show_term (27 messages, latest: Aug 31 2020 at 01:15)
- Map preserving a property (6 messages, latest: Aug 30 2020 at 18:53)
- homeomorph.trans (4 messages, latest: Aug 30 2020 at 16:03)
- free modules (94 messages, latest: Aug 29 2020 at 17:40)
- infinite loop (on purpose) (3 messages, latest: Aug 29 2020 at 16:55)
- Equivalence between subtype and bundled type (10 messages, latest: Aug 29 2020 at 16:24)
- Coercion local homeomorph (2 messages, latest: Aug 29 2020 at 14:29)
- union of unindexed sets (14 messages, latest: Aug 29 2020 at 09:51)
- meaning of ⦃ (7 messages, latest: Aug 29 2020 at 04:09)
- mathlib monotone definition (101 messages, latest: Aug 29 2020 at 00:28)
- Strengthening inequality given neq hypotheses? (3 messages, latest: Aug 28 2020 at 20:06)
- proof of two_mul from Mathematics in Lean (10 messages, latest: Aug 28 2020 at 20:00)
- negations in propositional logic (7 messages, latest: Aug 28 2020 at 11:23)
- is_open Spec R[x] –> Spec R (27 messages, latest: Aug 28 2020 at 09:25)
- Monoid power instead of nat power (13 messages, latest: Aug 28 2020 at 07:26)
- sUnion of empties (17 messages, latest: Aug 28 2020 at 07:26)
- preferred alternatives to type ascriptions everywhere? (7 messages, latest: Aug 28 2020 at 00:31)
- integral domain (132 messages, latest: Aug 27 2020 at 19:09)
- making coersions (8 messages, latest: Aug 27 2020 at 18:17)
- Proof of self_sub for Mathematics in Lean (9 messages, latest: Aug 27 2020 at 15:52)
- proof of neg_neg in Mathematics in Lean (10 messages, latest: Aug 27 2020 at 13:38)
- How are universe levels defined (49 messages, latest: Aug 27 2020 at 02:55)
- Why doesn't dunfold work here? (51 messages, latest: Aug 26 2020 at 19:13)
- Proving that 0 = 0 in zmod (89 messages, latest: Aug 26 2020 at 18:25)
- equality of sums of functions (11 messages, latest: Aug 26 2020 at 13:39)
- Trouble with nat and int (3 messages, latest: Aug 25 2020 at 17:17)
- Is induction-recursion and induction-induction limitation? (25 messages, latest: Aug 25 2020 at 12:21)
- polynomial in span of coefficients (214 messages, latest: Aug 25 2020 at 09:38)
- given expression should not contain de-Bruijn variables (1 message, latest: Aug 25 2020 at 06:21)
- How to make @[reducible] work (3 messages, latest: Aug 25 2020 at 03:23)
- Instance not found (17 messages, latest: Aug 25 2020 at 02:10)
- Oddity in online documentation for subsingletion (6 messages, latest: Aug 25 2020 at 01:17)
- induction using user-defined recursors (22 messages, latest: Aug 25 2020 at 00:40)
- leanproject build mathlib (8 messages, latest: Aug 24 2020 at 23:07)
- Countable product type (4 messages, latest: Aug 24 2020 at 23:04)
- assym (2 messages, latest: Aug 24 2020 at 21:51)
- Searching in VS Code (4 messages, latest: Aug 24 2020 at 16:58)
- Instances and coercion (7 messages, latest: Aug 24 2020 at 15:16)
- Curious tactic syntax (9 messages, latest: Aug 24 2020 at 14:39)
- fin coe struggle (10 messages, latest: Aug 24 2020 at 12:31)
- Lean server - concurrent requests (1 message, latest: Aug 24 2020 at 08:41)
- has_coe ℝ ℝ (8 messages, latest: Aug 23 2020 at 21:31)
- split_ifs (65 messages, latest: Aug 23 2020 at 19:57)
- idioms : f p = f (p.fst, p.snd), etc. (29 messages, latest: Aug 23 2020 at 16:11)
- Pasting lemma (48 messages, latest: Aug 23 2020 at 14:14)
- Curves (73 messages, latest: Aug 23 2020 at 11:01)
- Chris M : Starting to contribute to mathlib (28 messages, latest: Aug 22 2020 at 23:29)
- Set difference (16 messages, latest: Aug 22 2020 at 20:27)
- tangle with abs (12 messages, latest: Aug 22 2020 at 11:59)
- Hilbert Projection Theorem (36 messages, latest: Aug 22 2020 at 05:36)
- Polynomial evaluation (16 messages, latest: Aug 22 2020 at 00:10)
- Definition of {a,b} (8 messages, latest: Aug 21 2020 at 22:32)
- Function between empty types (15 messages, latest: Aug 21 2020 at 22:03)
- Proving injectivity over all terms (5 messages, latest: Aug 21 2020 at 17:33)
- Basis dependence (20 messages, latest: Aug 21 2020 at 17:15)
- Projection on basis (6 messages, latest: Aug 21 2020 at 16:53)
- invalid import (127 messages, latest: Aug 21 2020 at 13:26)
- le_zero (7 messages, latest: Aug 21 2020 at 07:53)
- of (4 messages, latest: Aug 21 2020 at 02:26)
- Hypotheses and avoiding repetition (24 messages, latest: Aug 21 2020 at 00:37)
- Working with inequalities (11 messages, latest: Aug 21 2020 at 00:11)
- induction on fin n (82 messages, latest: Aug 20 2020 at 18:34)
- comparisons (9 messages, latest: Aug 20 2020 at 16:47)
- instantiate a pair (4 messages, latest: Aug 20 2020 at 08:58)
- '' of finite set (12 messages, latest: Aug 20 2020 at 08:41)
- Calc to tactics (13 messages, latest: Aug 20 2020 at 04:41)
- Grouping Hypothesis (6 messages, latest: Aug 19 2020 at 23:17)
- Finite set induction and complement (9 messages, latest: Aug 19 2020 at 22:35)
- properties of finsets (25 messages, latest: Aug 19 2020 at 21:01)
- finset ignorance (30 messages, latest: Aug 19 2020 at 08:56)
- Performance in Large Projects (24 messages, latest: Aug 19 2020 at 08:20)
- transitive closure (64 messages, latest: Aug 19 2020 at 07:19)
- complement of finset in infinite set (11 messages, latest: Aug 19 2020 at 06:40)
- no struct (17 messages, latest: Aug 19 2020 at 06:35)
- corecursive fibonacci and factorial (33 messages, latest: Aug 19 2020 at 04:25)
- onboarding (15 messages, latest: Aug 19 2020 at 01:26)
- have trouble finding motive of recursion (3 messages, latest: Aug 18 2020 at 17:10)
- dsimp (5 messages, latest: Aug 18 2020 at 13:54)
- Direct sum (9 messages, latest: Aug 18 2020 at 11:00)
- letter (80 messages, latest: Aug 18 2020 at 07:51)
- Why can't infer instance (11 messages, latest: Aug 18 2020 at 03:47)
- Introducing sequence defined by a recurrence relation (18 messages, latest: Aug 18 2020 at 01:57)
- Goal g>0, h: g>1 (15 messages, latest: Aug 17 2020 at 15:52)
- Non-terminal rings (11 messages, latest: Aug 17 2020 at 15:17)
- ne_succ_self (46 messages, latest: Aug 17 2020 at 14:40)
- type expected at … (1 message, latest: Aug 17 2020 at 11:59)
- adjoin_root (55 messages, latest: Aug 17 2020 at 09:43)
- Claus-Peter Becke (7 messages, latest: Aug 17 2020 at 09:42)
- why can acc eliminate into data? (3 messages, latest: Aug 17 2020 at 07:04)
- 0 = A * B -> 0 = B (a b :ℕ) (11 messages, latest: Aug 17 2020 at 04:54)
- Starting to contribute to mathlib (41 messages, latest: Aug 17 2020 at 02:05)
- working with ite (6 messages, latest: Aug 16 2020 at 21:54)
- Subtype type inference problem (7 messages, latest: Aug 16 2020 at 08:37)
- Linarith weirdness (7 messages, latest: Aug 16 2020 at 05:04)
- search mathlib in vscode (2 messages, latest: Aug 16 2020 at 04:15)
- rename cauchy schwartz? (1 message, latest: Aug 16 2020 at 04:03)
- apply to hypothesis (95 messages, latest: Aug 16 2020 at 00:44)
- Discrete topology? (19 messages, latest: Aug 16 2020 at 00:35)
- Constructing chain using DC (9 messages, latest: Aug 15 2020 at 20:42)
- What does include clause do (2 messages, latest: Aug 15 2020 at 20:26)
- Squaring an inequality? (9 messages, latest: Aug 15 2020 at 17:32)
- How to prove decidable_eq for a basic inductive type (16 messages, latest: Aug 15 2020 at 17:24)
- gcd over naturals is positive (9 messages, latest: Aug 15 2020 at 17:11)
- Binet Formula (35 messages, latest: Aug 15 2020 at 15:18)
- difference
let
andhave
(142 messages, latest: Aug 15 2020 at 12:38) - Cases on hidden argument (2 messages, latest: Aug 15 2020 at 09:54)
- Proving lemmas about structural equality (17 messages, latest: Aug 15 2020 at 09:52)
- Capital letters (4 messages, latest: Aug 15 2020 at 05:44)
- measure theory (30 messages, latest: Aug 15 2020 at 03:34)
- Limit inequality (18 messages, latest: Aug 14 2020 at 22:37)
- Argument interpreted as instance? (6 messages, latest: Aug 14 2020 at 22:19)
- Rewriting with have (4 messages, latest: Aug 14 2020 at 18:46)
- adding hypothesis from lemma (3 messages, latest: Aug 14 2020 at 18:07)
- Streamline proofs with unfold (10 messages, latest: Aug 14 2020 at 16:48)
- lemmas for add_equiv (11 messages, latest: Aug 14 2020 at 16:39)
- Using tfae theorem (9 messages, latest: Aug 14 2020 at 15:23)
- set from type (24 messages, latest: Aug 14 2020 at 14:01)
- lemmas related to core (5 messages, latest: Aug 14 2020 at 11:22)
- measurable_space (29 messages, latest: Aug 14 2020 at 00:52)
- Preferring zmod over fin (14 messages, latest: Aug 13 2020 at 23:29)
- Iain M (24 messages, latest: Aug 13 2020 at 21:57)
- Inductive definition with many base cases (36 messages, latest: Aug 13 2020 at 21:29)
- Equality of function on intersection (17 messages, latest: Aug 13 2020 at 17:42)
- Countable union (19 messages, latest: Aug 13 2020 at 14:10)
- injection of a subset (83 messages, latest: Aug 13 2020 at 13:59)
- Apparently unhelpful instance resolution error (3 messages, latest: Aug 13 2020 at 13:16)
- Dependent and non dependent finsupp (73 messages, latest: Aug 13 2020 at 13:07)
- gyro_mul_left_inj (3 messages, latest: Aug 13 2020 at 12:56)
- sum_mul (9 messages, latest: Aug 13 2020 at 07:20)
- Holes in the goal! (10 messages, latest: Aug 13 2020 at 00:25)
- TC resolution (17 messages, latest: Aug 12 2020 at 22:36)
- lifting to a bigger universe (32 messages, latest: Aug 12 2020 at 21:27)
- Eliminate #X = 0 (10 messages, latest: Aug 12 2020 at 17:48)
- Question about
classical.some
(3 messages, latest: Aug 12 2020 at 17:33) - Peter Nelson (16 messages, latest: Aug 12 2020 at 16:03)
- Dependent type runtime (94 messages, latest: Aug 12 2020 at 15:16)
- has_zero (fin n) (8 messages, latest: Aug 12 2020 at 07:21)
- integrable_on (51 messages, latest: Aug 12 2020 at 07:19)
- Unable to apply dvd_sub (15 messages, latest: Aug 12 2020 at 06:34)
- "Logical"
conv
(9 messages, latest: Aug 12 2020 at 01:02) - fin n has_Inf and has_Sup (30 messages, latest: Aug 11 2020 at 21:44)
- VSCode multiple cursor (7 messages, latest: Aug 11 2020 at 17:04)
- Topological bases (32 messages, latest: Aug 11 2020 at 14:30)
- Well founded recursion with universes + universes and ord… (1 message, latest: Aug 11 2020 at 11:46)
- finset.max' (16 messages, latest: Aug 11 2020 at 10:50)
- Computing with polynomials (1 message, latest: Aug 11 2020 at 10:23)
- Nested categories on the same type (7 messages, latest: Aug 11 2020 at 00:59)
- Rewrite once even though there are two instances (4 messages, latest: Aug 10 2020 at 23:27)
- Lean YouTube (2 messages, latest: Aug 10 2020 at 22:56)
- "Deep" cases (11 messages, latest: Aug 10 2020 at 21:49)
- Integer powers (15 messages, latest: Aug 10 2020 at 20:25)
- enabling profiling from inside lean (2 messages, latest: Aug 10 2020 at 20:24)
- Shortening proof on product of units in Z (57 messages, latest: Aug 10 2020 at 19:27)
- Well founded recursion with universes (43 messages, latest: Aug 10 2020 at 19:23)
- Silly Imp problem (9 messages, latest: Aug 10 2020 at 17:25)
- why does my def call _main? (8 messages, latest: Aug 10 2020 at 12:18)
- int lemma changes between 3.12 and 3.13 (20 messages, latest: Aug 10 2020 at 12:11)
- Subset of subset (7 messages, latest: Aug 10 2020 at 12:09)
- Denoting element of a group (11 messages, latest: Aug 09 2020 at 17:52)
- Am I getting wellfounded recursion right? (3 messages, latest: Aug 08 2020 at 18:36)
- Parsing goal/context (14 messages, latest: Aug 08 2020 at 16:41)
- difference between \Pi{X:Type} and ?M_1 (12 messages, latest: Aug 08 2020 at 06:55)
- Coercion question (28 messages, latest: Aug 07 2020 at 14:05)
- what kind of object is
brec_on
(16 messages, latest: Aug 07 2020 at 10:47) - ASCII equivalents for angle brackets (9 messages, latest: Aug 07 2020 at 00:14)
- where to learn about writing notation (6 messages, latest: Aug 06 2020 at 23:19)
- Why Agda? (24 messages, latest: Aug 06 2020 at 21:09)
- arbitrary nat as output (24 messages, latest: Aug 06 2020 at 14:55)
- Lean server mode - tactics (9 messages, latest: Aug 06 2020 at 14:09)
- PedroST (49 messages, latest: Aug 06 2020 at 11:11)
- iff with ∃ on both sides (15 messages, latest: Aug 06 2020 at 07:57)
- Using list.fin_range (11 messages, latest: Aug 06 2020 at 00:20)
- Easier way to show superset of infinite set is infinite? (4 messages, latest: Aug 05 2020 at 18:21)
- why is Lean not able to compute the motive here? (8 messages, latest: Aug 05 2020 at 15:24)
- Diophantine Approximation roadmap (18 messages, latest: Aug 05 2020 at 09:14)
- Volume! (20 messages, latest: Aug 05 2020 at 00:40)
- Introducing notation (9 messages, latest: Aug 04 2020 at 21:40)
- decidable on finset (12 messages, latest: Aug 04 2020 at 09:02)
- Forgetful functor from Group to Set (12 messages, latest: Aug 04 2020 at 07:15)
- Transpositions of adjacent elements (26 messages, latest: Aug 03 2020 at 23:10)
- simp smul_add (4 messages, latest: Aug 03 2020 at 22:53)
- opposite preorder (52 messages, latest: Aug 03 2020 at 20:23)
- Extract mathlib proofs (17 messages, latest: Aug 03 2020 at 12:17)
- command build a specific file (5 messages, latest: Aug 03 2020 at 11:36)
- Coercion not properly recognized (54 messages, latest: Aug 03 2020 at 10:00)
- Missing coercions (8 messages, latest: Aug 03 2020 at 03:22)
- splitting 3590 ? (9 messages, latest: Aug 03 2020 at 02:44)
- When exactly does Lean accept
rfl
as a proof? (6 messages, latest: Aug 02 2020 at 14:43) - definition of tan (6 messages, latest: Aug 02 2020 at 10:41)
- Equivalences determined by one direction (12 messages, latest: Aug 01 2020 at 23:06)
- instantiate existential with new inductive function (7 messages, latest: Aug 01 2020 at 22:36)
- inductive type constructor parameterized by Pi to itself (21 messages, latest: Aug 01 2020 at 21:06)
- Carrying over hypothesis (24 messages, latest: Aug 01 2020 at 16:35)
- Computability by Turing machines (53 messages, latest: Aug 01 2020 at 15:28)
- Learn Formatter / format_lean issues (10 messages, latest: Aug 01 2020 at 15:22)
- infinite loop (32 messages, latest: Aug 01 2020 at 06:28)
- Frustration with finset (139 messages, latest: Aug 01 2020 at 01:26)
- Handling inductive definitions (7 messages, latest: Aug 01 2020 at 01:11)
- Problems with induction and type inference (11 messages, latest: Jul 31 2020 at 21:14)
- Subgroup of a subgroup should be a subgroup (122 messages, latest: Jul 31 2020 at 16:15)
- Lean keeps "Loading…" (15 messages, latest: Jul 31 2020 at 10:13)
- induction can't prove well-founded (12 messages, latest: Jul 31 2020 at 05:47)
- rec only to Prop? (7 messages, latest: Jul 31 2020 at 05:03)
- Quicker between
simp only
andrw
(3 messages, latest: Jul 30 2020 at 22:40) - Smooth multiplication (14 messages, latest: Jul 30 2020 at 21:33)
- has_coe_t vs has_coe (9 messages, latest: Jul 30 2020 at 21:06)
- Only constants and Pi types are supported (6 messages, latest: Jul 30 2020 at 17:51)
- Add declaration to environment (5 messages, latest: Jul 30 2020 at 17:38)
- Using "by" with "have" (12 messages, latest: Jul 30 2020 at 13:38)
- Telling what lean is currently building (vs code) (3 messages, latest: Jul 30 2020 at 10:36)
- Dependent PR (11 messages, latest: Jul 30 2020 at 08:57)
- Working with finset.prod (15 messages, latest: Jul 30 2020 at 07:37)
- Proof style (8 messages, latest: Jul 30 2020 at 05:45)
- Linear orders (8 messages, latest: Jul 30 2020 at 03:56)
- Splitting sum with dite (5 messages, latest: Jul 30 2020 at 03:50)
- cases on finite vs. infinite (18 messages, latest: Jul 29 2020 at 19:01)
- Getting the current namespace in vscode (5 messages, latest: Jul 29 2020 at 18:13)
- Using
x ∈ z
to converty ∈ z
toy = z
(18 messages, latest: Jul 29 2020 at 17:24) - Unfolding creates now hypothesis (25 messages, latest: Jul 29 2020 at 16:53)
- Formalizing a proof in Lean, not sure how (11 messages, latest: Jul 29 2020 at 14:56)
- "primitive recursors" & primitive recursion (4 messages, latest: Jul 29 2020 at 07:45)
- How does the compiler deal with
if ... then .... else
(3 messages, latest: Jul 29 2020 at 04:01) - cases/exists (11 messages, latest: Jul 28 2020 at 22:19)
- fin succ proof coercing to
n + 1
(8 messages, latest: Jul 28 2020 at 21:03) - bug with
convert
? (4 messages, latest: Jul 28 2020 at 16:25) - MIL comments (14 messages, latest: Jul 28 2020 at 15:14)
- Well founded definition (26 messages, latest: Jul 28 2020 at 14:42)
- Simple calculation (5 messages, latest: Jul 28 2020 at 12:47)
- Why are quotient types not inductive types? (11 messages, latest: Jul 28 2020 at 12:15)
- VS code settings (11 messages, latest: Jul 28 2020 at 09:37)
- Redefine precedence of
infix
(26 messages, latest: Jul 28 2020 at 07:45) - keyboard shortcut for expanding
library_search
suggestion? (3 messages, latest: Jul 28 2020 at 04:36) - apply_instance for defs (50 messages, latest: Jul 28 2020 at 04:14)
- Single
.
in place of proof (7 messages, latest: Jul 27 2020 at 13:53) - deriving
ℝ
as a goal state? (8 messages, latest: Jul 27 2020 at 06:24) - ring tactic error (4 messages, latest: Jul 26 2020 at 22:11)
- leanproject mathlib src confusion (4 messages, latest: Jul 26 2020 at 21:27)
- simp cancel divide and multiply (15 messages, latest: Jul 26 2020 at 21:15)
- Incipient numerical analysis results (24 messages, latest: Jul 26 2020 at 16:29)
- is
push_neg
classical? (13 messages, latest: Jul 26 2020 at 13:37) - implicit quantification in goal (3 messages, latest: Jul 26 2020 at 13:32)
- is this something
nlinarith
should be able to do? (2 messages, latest: Jul 26 2020 at 13:09) - try … else try … (3 messages, latest: Jul 26 2020 at 12:18)
- Working with universes (3 messages, latest: Jul 26 2020 at 10:29)
- lemma naming (4 messages, latest: Jul 26 2020 at 10:26)
- dunfold for abbreviated notations? (5 messages, latest: Jul 26 2020 at 08:27)
- eliminate existential quantifier tactic (7 messages, latest: Jul 26 2020 at 03:39)
- Curiosity about curly brackets (7 messages, latest: Jul 26 2020 at 00:37)
- Definitions (34 messages, latest: Jul 25 2020 at 22:06)
- Memory Issues for Very Large Mutual Inductive? (11 messages, latest: Jul 25 2020 at 17:19)
- classical.some (18 messages, latest: Jul 25 2020 at 12:21)
- Problem with function application (10 messages, latest: Jul 25 2020 at 12:19)
- incompleteness in doc (5 messages, latest: Jul 25 2020 at 04:29)
- has_deriv_at for series (7 messages, latest: Jul 24 2020 at 23:27)
- casting and adding in zmod (4 messages, latest: Jul 24 2020 at 22:22)
- at_top filter for sequences (7 messages, latest: Jul 24 2020 at 20:38)
- inductive definition of well-foundedness (6 messages, latest: Jul 24 2020 at 04:19)
- sanity check on equation compiler (1 message, latest: Jul 24 2020 at 04:14)
- disjointness of inductive type constructors, heq (14 messages, latest: Jul 24 2020 at 04:02)
- Shortest Proofs (11 messages, latest: Jul 24 2020 at 02:46)
- Types that should be equal (56 messages, latest: Jul 23 2020 at 14:14)
- extracting entries from matrices (9 messages, latest: Jul 23 2020 at 13:43)
- What exactly does
meta def
do? (83 messages, latest: Jul 23 2020 at 12:02) - sanity check on Lean's type theory (8 messages, latest: Jul 23 2020 at 11:21)
- Lean not recognising extensions implicitly (4 messages, latest: Jul 23 2020 at 11:14)
- password for encrypted SSH private key (33 messages, latest: Jul 23 2020 at 07:09)
- philosophy of induction and recursion in type theory (3 messages, latest: Jul 23 2020 at 02:27)
- sum of sets (23 messages, latest: Jul 23 2020 at 02:01)
- Can't find coe (3 messages, latest: Jul 22 2020 at 14:35)
- when
library_search
fails you (8 messages, latest: Jul 22 2020 at 12:10) - contracting
by_cases
(7 messages, latest: Jul 22 2020 at 09:38) - apply a term to all assumptions? (4 messages, latest: Jul 22 2020 at 04:51)
- unfold definition in goal? (14 messages, latest: Jul 22 2020 at 04:19)
- mem_subtype (2 messages, latest: Jul 22 2020 at 02:24)
- bounding finset.filter (17 messages, latest: Jul 22 2020 at 00:38)
- Olean problem (I think) (8 messages, latest: Jul 22 2020 at 00:04)
- simp or term proof in library (7 messages, latest: Jul 21 2020 at 22:55)
- Can't find basic lemma (12 messages, latest: Jul 21 2020 at 22:43)
- performance (27 messages, latest: Jul 21 2020 at 21:02)
- linarith substitution (8 messages, latest: Jul 21 2020 at 20:42)
- clef (5 messages, latest: Jul 21 2020 at 20:32)
- using #reduce and #eval in proofs? (7 messages, latest: Jul 21 2020 at 19:52)
- Coercion brackets (4 messages, latest: Jul 21 2020 at 18:21)
- Unfolding has_zero (3 messages, latest: Jul 21 2020 at 18:08)
- leanproject get vs git clone (5 messages, latest: Jul 21 2020 at 17:40)
- mutual defs: ill-formed match/equation expression (10 messages, latest: Jul 21 2020 at 15:24)
- Running the linter locally (5 messages, latest: Jul 21 2020 at 13:21)
- dunfold vs delta (11 messages, latest: Jul 21 2020 at 12:29)
- Getting started contributing to mathlib (4 messages, latest: Jul 21 2020 at 08:17)
- Working with proofs on eq compiler defns (18 messages, latest: Jul 21 2020 at 07:38)
- mutual types: ill-formed match/equation expression (14 messages, latest: Jul 21 2020 at 06:07)
have
without stating the proposition? (4 messages, latest: Jul 21 2020 at 04:26)- library_search bug? (7 messages, latest: Jul 21 2020 at 04:05)
- Proofs as structure fields (36 messages, latest: Jul 21 2020 at 00:48)
- abs_sub (3 messages, latest: Jul 20 2020 at 23:32)
- Extracting information from set comprehension (16 messages, latest: Jul 20 2020 at 18:01)
- structure forgets its parents (20 messages, latest: Jul 20 2020 at 16:36)
- Windows Install Lean-game-maker (28 messages, latest: Jul 20 2020 at 10:47)
- calc lt (3 messages, latest: Jul 20 2020 at 07:03)
- Coercion Confusion (12 messages, latest: Jul 20 2020 at 02:01)
- Latex UTF-8 question (9 messages, latest: Jul 19 2020 at 22:02)
- digits question (26 messages, latest: Jul 19 2020 at 16:51)
- proof terms for "use" and "cases" tactics (9 messages, latest: Jul 19 2020 at 16:11)
- simp vs explicitly using lemmas (5 messages, latest: Jul 19 2020 at 15:08)
- Updating leanproject (6 messages, latest: Jul 19 2020 at 14:53)
- Indexed families of sets (7 messages, latest: Jul 19 2020 at 13:47)
- Additive documentation (3 messages, latest: Jul 19 2020 at 11:17)
- rw show by (19 messages, latest: Jul 19 2020 at 10:11)
- defining a class (9 messages, latest: Jul 19 2020 at 05:03)
- equivalent of squeeze_simp for linarith, group, etc? (137 messages, latest: Jul 19 2020 at 04:22)
- Quadratic forms don't work on ℤ (13 messages, latest: Jul 18 2020 at 18:46)
- (topological) quotient group (7 messages, latest: Jul 18 2020 at 18:09)
- Basic inequalities (26 messages, latest: Jul 18 2020 at 17:27)
- Free rings (7 messages, latest: Jul 18 2020 at 14:53)
classical.some _
goal (5 messages, latest: Jul 18 2020 at 11:21)- fintype to finset (11 messages, latest: Jul 18 2020 at 05:33)
- How to prove n.succ \geq 1 for nat n? (19 messages, latest: Jul 17 2020 at 23:09)
- has_continuous_mul (1 message, latest: Jul 17 2020 at 22:29)
- Confused by "failed to synthesize type class instance" error (6 messages, latest: Jul 17 2020 at 19:59)
- ring does not fully work inside exp (6 messages, latest: Jul 17 2020 at 17:47)
- Dangerous instance (95 messages, latest: Jul 17 2020 at 12:04)
- timeout from nat.div_lt_self (18 messages, latest: Jul 17 2020 at 03:08)
- what exactly does
leanproject upgrade-mathlib
do? (7 messages, latest: Jul 17 2020 at 01:54) - inductive datatype error (3 messages, latest: Jul 17 2020 at 01:18)
- Lean equivalence classes (7 messages, latest: Jul 16 2020 at 21:32)
- Universal over concrete finite set (5 messages, latest: Jul 16 2020 at 21:21)
- Natural numbers game - Advanced addition (20 messages, latest: Jul 16 2020 at 20:53)
- set of pre-images given a set of sets (11 messages, latest: Jul 16 2020 at 20:38)
- Using subsingleton of fin 0 (18 messages, latest: Jul 16 2020 at 18:14)
- inductive proposition tactics (49 messages, latest: Jul 16 2020 at 11:04)
- What exactly does
git push
do? (5 messages, latest: Jul 16 2020 at 07:54) - What does
git commit -am
do? (24 messages, latest: Jul 16 2020 at 07:36) - synthesized not defeq inferred (377 messages, latest: Jul 16 2020 at 07:04)
- declaring instances for mutually inductive types (9 messages, latest: Jul 15 2020 at 20:41)
- MacOS install using MacPorts? (31 messages, latest: Jul 15 2020 at 17:29)
- "A One-Line Proof of the Infinitude of Primes." (12 messages, latest: Jul 15 2020 at 16:29)
- def extending something else (8 messages, latest: Jul 15 2020 at 14:04)
- Updating mathlib (4 messages, latest: Jul 15 2020 at 08:02)
- Is this type inhabited (6 messages, latest: Jul 15 2020 at 07:35)
- type of nonempty finset? (32 messages, latest: Jul 14 2020 at 21:59)
- Easy equations modulo N (8 messages, latest: Jul 14 2020 at 20:00)
- bor and band instances (1 message, latest: Jul 14 2020 at 18:26)
- instance (8 messages, latest: Jul 14 2020 at 18:14)
- namespace conflict (23 messages, latest: Jul 14 2020 at 13:23)
- Sum over fin 2 (4 messages, latest: Jul 14 2020 at 11:10)
- Disable timeout (7 messages, latest: Jul 14 2020 at 09:21)
- Haskell-like section notation (11 messages, latest: Jul 14 2020 at 08:53)
- intro inside iff (8 messages, latest: Jul 13 2020 at 21:00)
- converting numbers between ℕ, ℚ and ℝ (12 messages, latest: Jul 13 2020 at 20:39)
- system of inequalities (4 messages, latest: Jul 13 2020 at 20:36)
- update_row and update_column (5 messages, latest: Jul 13 2020 at 20:19)
- names of theorems in 3.6 (13 messages, latest: Jul 13 2020 at 19:46)
- Topological semigroup (3 messages, latest: Jul 13 2020 at 18:42)
- Functions on sets (7 messages, latest: Jul 13 2020 at 17:07)
- closeness (5 messages, latest: Jul 13 2020 at 06:05)
- Semialgebra (27 messages, latest: Jul 12 2020 at 23:19)
- Nonempty or empty (24 messages, latest: Jul 12 2020 at 23:17)
- Typo in "success_if_fail" in lean reference manual (31 messages, latest: Jul 12 2020 at 23:15)
- sum of two negligible function is also a negligible function (12 messages, latest: Jul 12 2020 at 20:04)
- linarith and integer division (12 messages, latest: Jul 12 2020 at 15:04)
- No has_lt typeclass instance for rational number (5 messages, latest: Jul 12 2020 at 10:36)
- Eval of constant polynomial (27 messages, latest: Jul 12 2020 at 08:57)
- Type theory construct (17 messages, latest: Jul 12 2020 at 08:42)
- stratified comprehension (1 message, latest: Jul 12 2020 at 04:31)
- Cleaning up linalg proof (7 messages, latest: Jul 12 2020 at 03:23)
- Vector space over continuous real functions (59 messages, latest: Jul 12 2020 at 02:50)
- structure in mutually inductive type (3 messages, latest: Jul 12 2020 at 01:10)
- strange rw failure (39 messages, latest: Jul 12 2020 at 00:42)
- using equality hypothesis in type inference (11 messages, latest: Jul 11 2020 at 20:22)
- Vector space over continuous functions (6 messages, latest: Jul 11 2020 at 14:33)
- Sets, Types, Partitions, Eqv Relations (7 messages, latest: Jul 11 2020 at 08:42)
- naming convention for this? (46 messages, latest: Jul 10 2020 at 19:41)
- motive is not type-correct when proving simple fintype lemma (57 messages, latest: Jul 10 2020 at 19:29)
- L'Hopital's rule (125 messages, latest: Jul 10 2020 at 16:10)
- cauchy subsequences (19 messages, latest: Jul 10 2020 at 15:20)
- tutorials 0019/20 (6 messages, latest: Jul 10 2020 at 14:08)
- best way to split into cases (6 messages, latest: Jul 10 2020 at 14:07)
- Is this worth contributing to mathlib? (15 messages, latest: Jul 10 2020 at 14:05)
- rw a binding in tactic mode (6 messages, latest: Jul 10 2020 at 14:05)
- Derivations (12 messages, latest: Jul 10 2020 at 11:35)
- Vector bundles (1 message, latest: Jul 10 2020 at 10:53)
- Expressing a sum with finitely many nonzero terms (137 messages, latest: Jul 10 2020 at 06:26)
- Cardinality of set (7 messages, latest: Jul 10 2020 at 03:58)
- no goals (27 messages, latest: Jul 09 2020 at 21:14)
- confusing behavior with interval_cases (7 messages, latest: Jul 09 2020 at 19:35)
- Constructors and constants (23 messages, latest: Jul 09 2020 at 17:00)
- assumption? (4 messages, latest: Jul 09 2020 at 15:46)
- cases_on bytecode (7 messages, latest: Jul 09 2020 at 14:47)
- ordering (5 messages, latest: Jul 09 2020 at 12:07)
- nat_ceil (8 messages, latest: Jul 09 2020 at 12:00)
- infoview vs goal (11 messages, latest: Jul 09 2020 at 10:01)
- tactic for "apply in some order" (49 messages, latest: Jul 09 2020 at 06:11)
- Partition lemma without LEM (5 messages, latest: Jul 09 2020 at 02:35)
- Working with sets of finite cardinality (4 messages, latest: Jul 08 2020 at 22:42)
- Transporting across an isomorphism (31 messages, latest: Jul 08 2020 at 20:39)
- Rewrite at one hypothesis and goal (4 messages, latest: Jul 08 2020 at 18:03)
- default typeclass instances? (14 messages, latest: Jul 08 2020 at 17:05)
- def vs structure (15 messages, latest: Jul 08 2020 at 15:11)
- Cases tactic fails (9 messages, latest: Jul 08 2020 at 14:19)
- ¬ S (4 messages, latest: Jul 08 2020 at 00:15)
- Introductions (148 messages, latest: Jul 07 2020 at 18:08)
- Documentation of unification hints (7 messages, latest: Jul 07 2020 at 13:22)
- How to read goal states efficiently? (14 messages, latest: Jul 07 2020 at 05:06)
- Off by one in types (5 messages, latest: Jul 07 2020 at 02:42)
- Cannot Import topology.basic (96 messages, latest: Jul 07 2020 at 00:32)
- Substitution notation (31 messages, latest: Jul 06 2020 at 21:54)
- Continuous maps (90 messages, latest: Jul 06 2020 at 07:22)
- Syntax sugar for
dite
(12 messages, latest: Jul 06 2020 at 03:03) - rec_on noob question (39 messages, latest: Jul 05 2020 at 23:51)
- Tensor Products (7 messages, latest: Jul 05 2020 at 23:29)
- Reasoning modulo 4 by cases (14 messages, latest: Jul 05 2020 at 20:52)
- How to rewrite when names do not match (6 messages, latest: Jul 05 2020 at 15:32)
- Inconsistency in "Mathematics in Lean"? (7 messages, latest: Jul 05 2020 at 12:34)
- cases (13 messages, latest: Jul 05 2020 at 09:57)
- tactics to simplify this? (7 messages, latest: Jul 05 2020 at 08:07)
- Lean Cheat Sheet (22 messages, latest: Jul 05 2020 at 07:22)
- Exists (12 messages, latest: Jul 04 2020 at 23:45)
- 0 < 0.1 (9 messages, latest: Jul 04 2020 at 22:06)
- long proof for an easy lemma (7 messages, latest: Jul 04 2020 at 20:33)
- by_cases in term mode definition? (3 messages, latest: Jul 04 2020 at 20:03)
- Functions between sets (5 messages, latest: Jul 04 2020 at 17:25)
- Replacing ℤ with a type argument breaks type class synthesis (48 messages, latest: Jul 04 2020 at 12:53)
- customizing vscode (84 messages, latest: Jul 04 2020 at 08:09)
- should
library_search
work here? (37 messages, latest: Jul 04 2020 at 07:40) - Defining recursive sequences (16 messages, latest: Jul 04 2020 at 03:36)
- Function decreasing on n-th argument (8 messages, latest: Jul 04 2020 at 01:25)
- forall (3 messages, latest: Jul 04 2020 at 00:03)
- Protected inheritance (11 messages, latest: Jul 03 2020 at 22:55)
- finset cosets (25 messages, latest: Jul 03 2020 at 20:35)
- expressing limits and continuity (20 messages, latest: Jul 03 2020 at 19:59)
- Using iterated_fderiv (15 messages, latest: Jul 03 2020 at 15:33)
- Dependent and (22 messages, latest: Jul 03 2020 at 14:14)
- High CPU usage and no goal windows in VSCode (11 messages, latest: Jul 03 2020 at 14:05)
- rewriting
(λ x, expr) x
(3 messages, latest: Jul 03 2020 at 10:59) - Structure homeomorphism (5 messages, latest: Jul 03 2020 at 09:25)
- printing formatted strings (6 messages, latest: Jul 03 2020 at 00:38)
- Using structures in theorem (8 messages, latest: Jul 02 2020 at 23:44)
- Showing a function is well-defined (eq.rec) (21 messages, latest: Jul 02 2020 at 22:49)
- ext_iff not getting defined (3 messages, latest: Jul 02 2020 at 21:30)
- Intros then subst (4 messages, latest: Jul 02 2020 at 21:24)
- Naming examples? (6 messages, latest: Jul 02 2020 at 19:54)
- missing manual chapters (8 messages, latest: Jul 02 2020 at 16:22)
- Subscripts (7 messages, latest: Jul 02 2020 at 15:54)
- Difficulty working with coe (11 messages, latest: Jul 02 2020 at 15:39)
- Vector space isomorphism (6 messages, latest: Jul 02 2020 at 15:35)
- reals (21 messages, latest: Jul 02 2020 at 14:57)
- dite of function application (16 messages, latest: Jul 02 2020 at 14:45)
- SIGSEGV, coercion (26 messages, latest: Jul 02 2020 at 13:44)
- SIGSEGV errors (31 messages, latest: Jul 02 2020 at 11:10)
- Lean's vs Coq' unfold and simpl (48 messages, latest: Jul 02 2020 at 10:33)
- #explode error (17 messages, latest: Jul 02 2020 at 08:04)
- mathlib and Lean 3.4.2 (8 messages, latest: Jul 02 2020 at 01:57)
- What is
simp only \[\]
(2 messages, latest: Jul 01 2020 at 22:36) - Bundled and unbundled (54 messages, latest: Jul 01 2020 at 15:57)
- lean, elan, leanpkg, leanproject – documentation? (141 messages, latest: Jul 01 2020 at 10:46)
- multiple split etc. (6 messages, latest: Jul 01 2020 at 07:58)
- How to simplify this proof? (18 messages, latest: Jul 01 2020 at 06:37)
- power (3 messages, latest: Jun 30 2020 at 23:22)
- Harmonic Series Divergence (117 messages, latest: Jun 30 2020 at 23:20)
- Invertible function (23 messages, latest: Jun 30 2020 at 22:50)
- confused about doubled names (2 messages, latest: Jun 30 2020 at 19:12)
- Using
one_ne_zero
(5 messages, latest: Jun 30 2020 at 18:47) - How to prove equality of structure (14 messages, latest: Jun 30 2020 at 18:05)
- add_group, has_neg, and subtypes defined as sums (145 messages, latest: Jun 30 2020 at 12:11)
- how to write a superscript quickly? (64 messages, latest: Jun 30 2020 at 11:28)
- convergent subsequence (12 messages, latest: Jun 30 2020 at 07:03)
- automatically turn tactic proof into calc proof? (9 messages, latest: Jun 30 2020 at 03:45)
- Showing X is a subset of itself (3 messages, latest: Jun 29 2020 at 23:12)
- Correct workflow to work with Mathlib (78 messages, latest: Jun 29 2020 at 19:15)
- See tactic source code (12 messages, latest: Jun 29 2020 at 17:32)
- Different import inputs (18 messages, latest: Jun 29 2020 at 14:39)
- Union of k sets (8 messages, latest: Jun 29 2020 at 14:08)
- motive is not type correct with coe (3 messages, latest: Jun 29 2020 at 13:51)
- Coercion between nat and rat (37 messages, latest: Jun 29 2020 at 11:59)
- Should has_neg be implied by mul_action? (8 messages, latest: Jun 29 2020 at 11:50)
- Working with add_subgroup.closure (62 messages, latest: Jun 29 2020 at 11:28)
- Generating set for group (1 message, latest: Jun 29 2020 at 10:39)
- reference manual on
meta
(4 messages, latest: Jun 29 2020 at 09:48) - Installing mathlib (184 messages, latest: Jun 29 2020 at 09:22)
- prod vs prod_mk (2 messages, latest: Jun 29 2020 at 09:19)
- forgetting assumptions in goal (3 messages, latest: Jun 29 2020 at 08:35)
- is_iso identity and composition, maximal groupoid (14 messages, latest: Jun 28 2020 at 21:20)
- happy function (1 message, latest: Jun 28 2020 at 19:57)
- Ubuntu install of leanpkg (1 message, latest: Jun 28 2020 at 06:33)
- Can't recurse on existential quantifier in a tactic mode def (5 messages, latest: Jun 28 2020 at 05:32)
- vm check failed (47 messages, latest: Jun 28 2020 at 05:16)
- Unit tests tactics (5 messages, latest: Jun 28 2020 at 03:39)
- Making a type (9 messages, latest: Jun 28 2020 at 03:19)
- constant type class instance (5 messages, latest: Jun 28 2020 at 00:42)
- Multually defined inductive type and function (57 messages, latest: Jun 27 2020 at 09:47)
- complement of finset (10 messages, latest: Jun 27 2020 at 07:35)
- boolean indicator function (16 messages, latest: Jun 27 2020 at 02:48)
- happy function, restricting function inputs (12 messages, latest: Jun 26 2020 at 15:54)
- list.pairwise of list.repeat (30 messages, latest: Jun 26 2020 at 15:08)
- .comp .mul (8 messages, latest: Jun 26 2020 at 10:26)
- How to use ring_hom for fields (11 messages, latest: Jun 26 2020 at 10:19)
- Turning a proof by cases into a linear proof (13 messages, latest: Jun 26 2020 at 07:06)
- Combing specialize's (7 messages, latest: Jun 26 2020 at 00:44)
- mul_div_comm (11 messages, latest: Jun 25 2020 at 18:48)
- uniqueness of limit (5 messages, latest: Jun 25 2020 at 18:27)
- ⊤ (4 messages, latest: Jun 25 2020 at 18:24)
- formal abstracts (43 messages, latest: Jun 25 2020 at 17:24)
- version? (3 messages, latest: Jun 25 2020 at 13:12)
- Proof about monadic functions (4 messages, latest: Jun 25 2020 at 11:50)
- library_search returning non-working suggestion (8 messages, latest: Jun 25 2020 at 11:48)
- An algebra is a subalgebra of itself (6 messages, latest: Jun 25 2020 at 04:52)
- really tedious calculation (26 messages, latest: Jun 25 2020 at 04:30)
- by_contradiction (4 messages, latest: Jun 25 2020 at 03:38)
- order of element (15 messages, latest: Jun 25 2020 at 01:57)
- le/lt trans (12 messages, latest: Jun 24 2020 at 23:55)
- iterating over subscripts & generalizing products (49 messages, latest: Jun 24 2020 at 21:44)
- Sums over product types (84 messages, latest: Jun 24 2020 at 19:19)
- Function (3 messages, latest: Jun 24 2020 at 17:31)
- Parsing integers (2 messages, latest: Jun 24 2020 at 08:28)
- prove goal for specific values (9 messages, latest: Jun 24 2020 at 05:07)
- better reporting from library_search (9 messages, latest: Jun 24 2020 at 02:52)
- defining binary operations (34 messages, latest: Jun 24 2020 at 02:06)
- prop broadcasting (10 messages, latest: Jun 24 2020 at 01:57)
- back? command (12 messages, latest: Jun 24 2020 at 01:50)
- T (22 messages, latest: Jun 23 2020 at 22:15)
- limit on one side (4 messages, latest: Jun 23 2020 at 21:28)
- finset.card errors (36 messages, latest: Jun 23 2020 at 19:46)
- array.rev_foldl (2 messages, latest: Jun 23 2020 at 15:32)
- Restricting range of function (5 messages, latest: Jun 23 2020 at 15:00)
- leanproject issues (11 messages, latest: Jun 23 2020 at 14:09)
- Integers (19 messages, latest: Jun 23 2020 at 12:41)
- "apply my_imp at h" (11 messages, latest: Jun 23 2020 at 10:23)
- unknown identifier 'mod_fn' (45 messages, latest: Jun 23 2020 at 04:15)
- Slow simp (14 messages, latest: Jun 23 2020 at 00:14)
- Elimination of product of fintypes in proof (15 messages, latest: Jun 23 2020 at 00:04)
- sequence limit lemmas (22 messages, latest: Jun 22 2020 at 18:39)
- Set membership with explicit constructor (6 messages, latest: Jun 22 2020 at 18:29)
- goal with multiple ands (10 messages, latest: Jun 22 2020 at 14:47)
- Anatole Dedecker (introduction) (21 messages, latest: Jun 22 2020 at 13:05)
- newbie question (4 messages, latest: Jun 22 2020 at 00:12)
- tactic for doing calculation with mod (3 messages, latest: Jun 21 2020 at 21:48)
- sum manipulation (17 messages, latest: Jun 21 2020 at 21:07)
- Pythagorean triples (19 messages, latest: Jun 21 2020 at 20:29)
- Using matrix notation and calculation (42 messages, latest: Jun 21 2020 at 19:04)
- const_comp (54 messages, latest: Jun 21 2020 at 18:28)
- case split on an element of a finset? (13 messages, latest: Jun 21 2020 at 15:06)
- two instances of decidable_eq are equal (22 messages, latest: Jun 21 2020 at 05:18)
- Thank you (10 messages, latest: Jun 20 2020 at 20:25)
- exists_elim (9 messages, latest: Jun 20 2020 at 19:20)
- Deducing facts about integers from about rationals (24 messages, latest: Jun 20 2020 at 18:17)
- Lean server error codes (8 messages, latest: Jun 20 2020 at 18:13)
- Product of functions defined on groups (13 messages, latest: Jun 20 2020 at 16:50)
- End of namespace (8 messages, latest: Jun 20 2020 at 15:24)
- rewriting inside lambdas (2 messages, latest: Jun 20 2020 at 13:24)
- Declaring a function to be decidable (48 messages, latest: Jun 19 2020 at 21:41)
- Sam Estep (18 messages, latest: Jun 19 2020 at 20:02)
- Implicit arguments (15 messages, latest: Jun 19 2020 at 19:54)
- Problem with \and (7 messages, latest: Jun 19 2020 at 19:49)
- Should I expect show_term output to type-check? (33 messages, latest: Jun 19 2020 at 18:31)
- Unfolding set membership (8 messages, latest: Jun 19 2020 at 15:28)
- Slow Lean (106 messages, latest: Jun 19 2020 at 14:49)
- NNG Dark Mode (1 message, latest: Jun 19 2020 at 13:07)
- Understanding Set and finset better (5 messages, latest: Jun 19 2020 at 00:28)
- Simp and matrix multiplication (16 messages, latest: Jun 18 2020 at 21:08)
- simp and unfold with matrix mul (7 messages, latest: Jun 18 2020 at 18:56)
- function on product (23 messages, latest: Jun 18 2020 at 17:41)
- What does it mean to "use Choice"? (12 messages, latest: Jun 18 2020 at 17:07)
- unpacking ite / dite on one side of an equation (10 messages, latest: Jun 18 2020 at 16:51)
- Carrying inverse in subtype (33 messages, latest: Jun 18 2020 at 16:01)
- how to read non-tactic-mode and use of digits with $ (45 messages, latest: Jun 18 2020 at 13:30)
- Inferring associativity of composition (2 messages, latest: Jun 18 2020 at 09:48)
- What does $ mean? (18 messages, latest: Jun 18 2020 at 09:02)
- obtain tactic on exists-unique (8 messages, latest: Jun 18 2020 at 06:53)
- using cases more efficiently (7 messages, latest: Jun 18 2020 at 02:25)
- metric space equal elements (7 messages, latest: Jun 18 2020 at 01:07)
- Inferring has_zero given nonzero fin n (21 messages, latest: Jun 18 2020 at 01:00)
- deep recursion with append (18 messages, latest: Jun 17 2020 at 21:40)
- extracting part of a recursive definition (9 messages, latest: Jun 17 2020 at 20:29)
- promote hypothesis to fact instance (2 messages, latest: Jun 17 2020 at 20:19)
- Underlying coefficients from span (30 messages, latest: Jun 17 2020 at 18:49)
- non decreasing memory usage (26 messages, latest: Jun 17 2020 at 18:01)
- Extracting a single element from a set (2 messages, latest: Jun 17 2020 at 17:51)
- Way to rewrite goal containing \in (37 messages, latest: Jun 17 2020 at 17:48)
- Using div_self (10 messages, latest: Jun 17 2020 at 15:16)
- Induction proofs (32 messages, latest: Jun 17 2020 at 10:40)
- Coercion of 1x1 matrices (37 messages, latest: Jun 17 2020 at 09:06)
- rewriting with iff (27 messages, latest: Jun 17 2020 at 08:39)
- installing mathlib (4 messages, latest: Jun 17 2020 at 04:36)
- degree of a field extension (2 messages, latest: Jun 17 2020 at 04:12)
- Axiom of choice, quotients, ℚ ⊆ ℝ (4 messages, latest: Jun 17 2020 at 02:04)
- Tactic to collapse arithmetic on constants (7 messages, latest: Jun 16 2020 at 21:16)
- constructive library_search? (7 messages, latest: Jun 16 2020 at 21:14)
- function expected at ? (13 messages, latest: Jun 16 2020 at 20:38)
- conceptual mathematical primer for tactics? (6 messages, latest: Jun 16 2020 at 15:52)
- Intro V.T. (2 messages, latest: Jun 16 2020 at 14:55)
- How to unfold \in (29 messages, latest: Jun 16 2020 at 14:50)
- Starting with formalizing undergraduate math (20 messages, latest: Jun 16 2020 at 12:07)
- Starting with formalizing basic abstract algebra (34 messages, latest: Jun 16 2020 at 10:18)
- Annotating absence of instance (11 messages, latest: Jun 16 2020 at 06:57)
- Closing negated goals quickly (10 messages, latest: Jun 15 2020 at 20:38)
- Lean in emacs (24 messages, latest: Jun 15 2020 at 18:55)
- Reducing cases (7 messages, latest: Jun 15 2020 at 05:23)
- Computing finset (range) sums (16 messages, latest: Jun 14 2020 at 21:59)
- tracing ring (14 messages, latest: Jun 14 2020 at 12:29)
- Heterogenous/Dependent Equality (15 messages, latest: Jun 14 2020 at 08:27)
- Simplifying decidable propositions (19 messages, latest: Jun 14 2020 at 04:13)
- NGN Dark Mode (29 messages, latest: Jun 14 2020 at 01:10)
- linear monoid (2 messages, latest: Jun 13 2020 at 22:38)
- unknown identifier 'ordered_ring' (6 messages, latest: Jun 13 2020 at 22:14)
- Control
to_additive
(23 messages, latest: Jun 13 2020 at 20:02) - why a \in s doesn't work in an "if" clause (23 messages, latest: Jun 13 2020 at 18:51)
- "finish" tactic (35 messages, latest: Jun 13 2020 at 15:16)
- Determining the lemma applied by ext1 (53 messages, latest: Jun 13 2020 at 12:57)
- problem trying to prove instance comm_group (16 messages, latest: Jun 13 2020 at 06:48)
- Sets to types (43 messages, latest: Jun 13 2020 at 04:49)
- Puzzling error message (12 messages, latest: Jun 13 2020 at 02:58)
- inspecting prop.1 and prop.2 in VS code (34 messages, latest: Jun 12 2020 at 18:42)
- Nate Glenn (20 messages, latest: Jun 12 2020 at 18:00)
- Achievement: cardinality of subgroups of infinite groups (7 messages, latest: Jun 12 2020 at 15:15)
- working with finset and fintype (55 messages, latest: Jun 12 2020 at 04:49)
- coinductive datatypes (23 messages, latest: Jun 12 2020 at 04:38)
- Not, false and empty. (11 messages, latest: Jun 11 2020 at 14:51)
- Type coercion ints to nats (11 messages, latest: Jun 11 2020 at 12:14)
- extensionality in matrix defs (16 messages, latest: Jun 11 2020 at 06:23)
- see what simp did (7 messages, latest: Jun 11 2020 at 01:00)
- how to unfold let? (25 messages, latest: Jun 11 2020 at 00:43)
- trouble unfolding dite (14 messages, latest: Jun 10 2020 at 22:00)
- Developing on mathlib itself (4 messages, latest: Jun 10 2020 at 19:25)
- noob questions about ∃ (12 messages, latest: Jun 10 2020 at 18:12)
- typechecking error with linear_algebra.dimension (61 messages, latest: Jun 10 2020 at 15:25)
- applying a function to itself (87 messages, latest: Jun 10 2020 at 14:50)
- bool.bxor_iff_eq (17 messages, latest: Jun 10 2020 at 13:59)
- Another basic question: prove equality of inductive type arg (13 messages, latest: Jun 10 2020 at 08:07)
- Dimension of matrix (79 messages, latest: Jun 10 2020 at 00:46)
- Mathlib install memory usage (7 messages, latest: Jun 09 2020 at 21:07)
- invalid import in tutorials (7 messages, latest: Jun 09 2020 at 09:49)
- smul casting (8 messages, latest: Jun 09 2020 at 09:47)
- Zero-dimensional vector space (28 messages, latest: Jun 09 2020 at 03:59)
- Unfold typeclass instance (6 messages, latest: Jun 08 2020 at 22:48)
- DVRs (114 messages, latest: Jun 08 2020 at 21:11)
- Matrix equality by extensionality (42 messages, latest: Jun 08 2020 at 16:40)
- VU Class Solutions (5 messages, latest: Jun 08 2020 at 10:00)
- Goal accomplished for term mode (21 messages, latest: Jun 08 2020 at 08:07)
- What's wrong with this notation? (13 messages, latest: Jun 08 2020 at 07:53)
- How, broadly, does Lean infer implicit arguments? (3 messages, latest: Jun 08 2020 at 07:49)
- See how Lean is inferring arguments? (5 messages, latest: Jun 08 2020 at 06:57)
- How broadly does Lean infer implicit arguments? (1 message, latest: Jun 08 2020 at 06:00)
- Feedback on code style (10 messages, latest: Jun 08 2020 at 05:55)
- About measures (38 messages, latest: Jun 07 2020 at 04:30)
- Providing proof for type equality (27 messages, latest: Jun 07 2020 at 02:09)
- neg_le_neg (14 messages, latest: Jun 06 2020 at 23:51)
- More elegant way? (64 messages, latest: Jun 06 2020 at 21:18)
- intersection of sets (47 messages, latest: Jun 06 2020 at 18:04)
- "Inspect" idiom (11 messages, latest: Jun 06 2020 at 05:12)
- octopus (7 messages, latest: Jun 06 2020 at 04:44)
- Case analysis of pattern-matching definition (13 messages, latest: Jun 06 2020 at 01:51)
- Working with finite subsets of a set (9 messages, latest: Jun 06 2020 at 01:48)
- linarith and let (22 messages, latest: Jun 05 2020 at 23:58)
- Confusion about add_eq_zero_iff (21 messages, latest: Jun 05 2020 at 22:33)
- Simplifying lambda expressions (4 messages, latest: Jun 05 2020 at 15:33)
- tutorial 0079 (19 messages, latest: Jun 05 2020 at 08:04)
- Inaccessible terms and non-working TPIL example (8 messages, latest: Jun 05 2020 at 01:16)
- Recursion in expression definition in TPIL exercises (4 messages, latest: Jun 04 2020 at 19:51)
- Type : Type (36 messages, latest: Jun 04 2020 at 16:41)
- Casting Problem (11 messages, latest: Jun 04 2020 at 14:01)
- error using
by refine {...}; {...}
for an instance (6 messages, latest: Jun 04 2020 at 12:56) - vscode git integration (3 messages, latest: Jun 04 2020 at 10:55)
- induction proof on n for TPIL exercise 7.10.1 trunc_sub (33 messages, latest: Jun 04 2020 at 06:51)
- tensor product (4 messages, latest: Jun 04 2020 at 02:42)
- km < kn => m < n (15 messages, latest: Jun 04 2020 at 01:34)
- Lean Bi-implication (3 messages, latest: Jun 03 2020 at 17:27)
- Orange bars everywhere (11 messages, latest: Jun 03 2020 at 16:29)
- recursive function from \N (35 messages, latest: Jun 03 2020 at 16:18)
- Unicode symbols on Cocalc (1 message, latest: Jun 03 2020 at 16:17)
- the complex number game (166 messages, latest: Jun 03 2020 at 07:34)
- example variables (5 messages, latest: Jun 02 2020 at 22:01)
- How to convey the idea of a proof (30 messages, latest: Jun 02 2020 at 17:43)
- Jalex Stark (introduction) (50 messages, latest: Jun 02 2020 at 15:42)
- Well founded recursion (6 messages, latest: Jun 01 2020 at 20:26)
- Learning category theory (21 messages, latest: Jun 01 2020 at 19:12)
- f.g. free modules (38 messages, latest: Jun 01 2020 at 13:57)
- What does @@ mean? (3 messages, latest: Jun 01 2020 at 13:16)
- Composition with metavariable (12 messages, latest: Jun 01 2020 at 11:03)
- View what simp applied (7 messages, latest: Jun 01 2020 at 08:41)
- Tactics for big operators (9 messages, latest: Jun 01 2020 at 03:16)
- Where do proof steps show up? (26 messages, latest: Jun 01 2020 at 01:05)
- Symmetric difference (12 messages, latest: May 31 2020 at 20:24)
- adding a hypothesis breaks type class inference? (7 messages, latest: May 31 2020 at 15:31)
- has_to_string real (30 messages, latest: May 31 2020 at 10:09)
- component-wise list addition (28 messages, latest: May 31 2020 at 02:20)
- emacs (34 messages, latest: May 30 2020 at 23:24)
- minimum and maximum of 4 rats (14 messages, latest: May 30 2020 at 22:53)
- cases and rcases won't eliminate hypothesis (11 messages, latest: May 30 2020 at 16:20)
- Transforming the type of a function (52 messages, latest: May 30 2020 at 11:12)
- recursive definitions (7 messages, latest: May 30 2020 at 03:28)
- Issue with git bash and python on Windows 10 (16 messages, latest: May 29 2020 at 22:58)
- installing python (31 messages, latest: May 29 2020 at 22:58)
- iterating use tactic (3 messages, latest: May 29 2020 at 20:18)
- a^2 is even -> a is even (4 messages, latest: May 29 2020 at 15:33)
- ring tactic timing out (7 messages, latest: May 29 2020 at 14:46)
- Integrally closed domain (216 messages, latest: May 29 2020 at 08:11)
- Code generation failed error (7 messages, latest: May 29 2020 at 02:52)
- Equality of inductive type variants (5 messages, latest: May 28 2020 at 23:04)
- Lub of finset (2 messages, latest: May 28 2020 at 17:04)
by refl
vsrfl
(3 messages, latest: May 28 2020 at 15:12)- Reflexivity of equality (9 messages, latest: May 28 2020 at 14:08)
- how to "access" the module instance on submodule quotient? (78 messages, latest: May 28 2020 at 05:44)
- rw -t : Type Error (7 messages, latest: May 27 2020 at 21:09)
- Broke lean dependency? (14 messages, latest: May 27 2020 at 20:28)
- making a repo compatible with leanproject (56 messages, latest: May 27 2020 at 19:51)
- Trig Functions (12 messages, latest: May 27 2020 at 15:30)
- inductive type (12 messages, latest: May 27 2020 at 14:27)
- have giving error (29 messages, latest: May 27 2020 at 04:07)
- Achievement: multiply convergent sequences (35 messages, latest: May 26 2020 at 23:10)
- unfold a symbol (12 messages, latest: May 26 2020 at 20:58)
- How to show 2 \ne 1? (11 messages, latest: May 26 2020 at 18:05)
- Getting setup to contribute to Mathlib (17 messages, latest: May 26 2020 at 16:42)
- How to get familiar enough with Mathlib to use it (27 messages, latest: May 26 2020 at 13:52)
- coercion from set of subtype to set (11 messages, latest: May 26 2020 at 12:53)
- term mode haveI (43 messages, latest: May 25 2020 at 22:28)
- More automatic unfolding (32 messages, latest: May 25 2020 at 15:30)
- type rewriting / type extensionality? (54 messages, latest: May 25 2020 at 11:08)
- partial transitivity (35 messages, latest: May 25 2020 at 04:18)
- Use of implicit arguments (8 messages, latest: May 24 2020 at 20:09)
- write access (16 messages, latest: May 24 2020 at 17:17)
- [Type](topic/Type.html) (36 messages, latest: May 23 2020 at 20:58)
- Mathlib and rephrasings (7 messages, latest: May 23 2020 at 19:54)
- Equality of structures (23 messages, latest: May 23 2020 at 19:44)
- Finset of subtype (18 messages, latest: May 23 2020 at 16:52)
- import init while hiding (15 messages, latest: May 23 2020 at 07:48)
- getting started (244 messages, latest: May 22 2020 at 21:14)
- Problem with universe levels (43 messages, latest: May 22 2020 at 20:29)
- Anonymous "have" (42 messages, latest: May 22 2020 at 19:43)
- iff raises error (9 messages, latest: May 22 2020 at 18:58)
- Lean Tutorial (5 messages, latest: May 22 2020 at 18:02)
- Problem with rewrite tactic (12 messages, latest: May 22 2020 at 14:43)
- bijective implies has_left_inverse (5 messages, latest: May 22 2020 at 11:50)
- Set membership and type judgements (4 messages, latest: May 22 2020 at 09:31)
- tutorials 0081 (54 messages, latest: May 21 2020 at 23:41)
- Looking up definitions of symbols (28 messages, latest: May 21 2020 at 23:40)
- opaque "synthesize placeholder" error (29 messages, latest: May 21 2020 at 22:17)
- Representation Theory (324 messages, latest: May 21 2020 at 16:18)
- "synthesize instance" of exists (12 messages, latest: May 21 2020 at 04:39)
- Lean Unicode Cheat-sheet (5 messages, latest: May 21 2020 at 03:04)
- Getting type signature displayed (3 messages, latest: May 21 2020 at 00:25)
- exists element in nonempty set (6 messages, latest: May 20 2020 at 22:47)
- Lean displaying _ in local context (7 messages, latest: May 20 2020 at 22:24)
- extracting term from Union (26 messages, latest: May 20 2020 at 21:46)
- Sort universes (11 messages, latest: May 20 2020 at 16:49)
- Looking for "detailed enough" textbook (47 messages, latest: May 20 2020 at 11:02)
- 4 proof styles (32 messages, latest: May 20 2020 at 05:27)
- vs code (63 messages, latest: May 19 2020 at 21:55)
- delta epsilon proofs for continuity (14 messages, latest: May 19 2020 at 20:57)
- doc comments (4 messages, latest: May 19 2020 at 16:07)
- pattern (17 messages, latest: May 19 2020 at 14:17)
- unfolding recursive functions (2 messages, latest: May 19 2020 at 09:21)
- Vector namespace (23 messages, latest: May 19 2020 at 07:36)
- adding simple conditions to hypothesis? (19 messages, latest: May 19 2020 at 06:06)
- ∈ vs : (59 messages, latest: May 19 2020 at 05:03)
- Syntax of equality and calculational proofs (9 messages, latest: May 19 2020 at 04:46)
- Apply function on both sides of equality (6 messages, latest: May 19 2020 at 02:44)
- Lean extension not working (14 messages, latest: May 19 2020 at 02:05)
- Luiz Carlos Rumbelsperger Viana (12 messages, latest: May 19 2020 at 01:51)
- Proof by induction on size (5 messages, latest: May 19 2020 at 01:36)
- Find command (20 messages, latest: May 18 2020 at 21:44)
- zero divisors and nilpotents (54 messages, latest: May 18 2020 at 20:07)
- Unfolding and reflection (15 messages, latest: May 18 2020 at 17:24)
- Some olympiad formalisations (144 messages, latest: May 18 2020 at 12:50)
- proving things about functions defined by cases (31 messages, latest: May 18 2020 at 07:04)
- how to import an inductive type (12 messages, latest: May 18 2020 at 03:32)
- Is quotient special? (7 messages, latest: May 18 2020 at 03:25)
- Defining auxiliary sequences in tutorial (28 messages, latest: May 17 2020 at 22:22)
- please comment on my code (63 messages, latest: May 17 2020 at 20:56)
- VSCode (30 messages, latest: May 17 2020 at 18:35)
- arguing using by_cases (31 messages, latest: May 17 2020 at 17:54)
- How to use
exists_prop
(25 messages, latest: May 17 2020 at 16:29) - rw has trouble pattern matching under quantifiers (5 messages, latest: May 17 2020 at 12:41)
- Coding standards: line breaks (15 messages, latest: May 17 2020 at 11:58)
- zero divisors (5 messages, latest: May 17 2020 at 08:47)
- How does a noob learn to write tactics? (5 messages, latest: May 17 2020 at 08:38)
- Effectiveness as a computer algebra system? (25 messages, latest: May 17 2020 at 08:36)
- How does
cc
manage this goal (17 messages, latest: May 17 2020 at 06:23) - Proofs involving negation (55 messages, latest: May 17 2020 at 04:22)
- Why does this typecheck? (79 messages, latest: May 17 2020 at 02:12)
- implicit parameters (4 messages, latest: May 17 2020 at 02:08)
- Subtype of particular inductive constructor? (9 messages, latest: May 16 2020 at 23:08)
- Unfolding set constructor notation (16 messages, latest: May 16 2020 at 16:28)
- Efficiently unfolding notation (33 messages, latest: May 16 2020 at 12:59)
- Dependency problem (45 messages, latest: May 16 2020 at 08:44)
- failed to open file (39 messages, latest: May 16 2020 at 08:36)
- arithmetic hell (25 messages, latest: May 16 2020 at 04:13)
- Multiplying both sides of an expression by a constant (15 messages, latest: May 15 2020 at 20:09)
- explicit sums (19 messages, latest: May 15 2020 at 16:39)
- removing ite (15 messages, latest: May 15 2020 at 15:05)
- rw (show …, by omega) (11 messages, latest: May 15 2020 at 15:02)
- Candidate for inclusion in mathlib (16 messages, latest: May 15 2020 at 14:49)
- hitchhiker's guide (51 messages, latest: May 15 2020 at 13:58)
- VM and axioms (12 messages, latest: May 15 2020 at 13:39)
- Proper notion of equivalent types (2 messages, latest: May 15 2020 at 13:10)
- norm_num doesn't prove (5 messages, latest: May 15 2020 at 11:41)
- "variables" command (23 messages, latest: May 15 2020 at 03:32)
- help finding a lemma (221 messages, latest: May 15 2020 at 01:33)
- Or Intro Question (4 messages, latest: May 14 2020 at 16:23)
- Universe Polymorphic natural numbers (3 messages, latest: May 14 2020 at 15:00)
- Coding style for recursion (9 messages, latest: May 14 2020 at 08:37)
- Converting basic algebra problem into lean (44 messages, latest: May 14 2020 at 08:28)
- extending from the same type class in 2 different ways (16 messages, latest: May 14 2020 at 06:40)
- typecasting (20 messages, latest: May 13 2020 at 23:38)
- Tactics for noncommutative rings (33 messages, latest: May 13 2020 at 23:15)
- by_contra + push_neg (8 messages, latest: May 13 2020 at 20:45)
- Need help with trivial identity (7 messages, latest: May 13 2020 at 15:21)
- Showing wellfoundedness (9 messages, latest: May 13 2020 at 07:58)
- Using Lean as the brain on the front end? (4 messages, latest: May 13 2020 at 02:42)
- Searching in mathlib (27 messages, latest: May 12 2020 at 22:23)
- unfold and let (41 messages, latest: May 12 2020 at 22:17)
- Orange bars never disappear in VSCode (12 messages, latest: May 12 2020 at 18:08)
- zero_mul (27 messages, latest: May 12 2020 at 06:10)
- How to use ring_hom.to_algebra (4 messages, latest: May 11 2020 at 22:33)
- How to move things to the other side of the equation? (34 messages, latest: May 11 2020 at 20:35)
- more basics (506 messages, latest: May 11 2020 at 19:32)
- Structural recursion syntax (23 messages, latest: May 11 2020 at 18:32)
- From n<=1, get n=0 or n=1 (7 messages, latest: May 11 2020 at 18:02)
- list.sum (range (succ n)) = (9 messages, latest: May 11 2020 at 17:25)
- Trouble installing Lean (Windows) (5 messages, latest: May 11 2020 at 15:16)
- Accessing LHS / RHS from equation (26 messages, latest: May 11 2020 at 14:50)
- How does eq.refl work? (10 messages, latest: May 11 2020 at 11:44)
- leanproject and branches (14 messages, latest: May 11 2020 at 07:16)
- an element of set (set unit) (39 messages, latest: May 11 2020 at 00:04)
- Having trouble applying lemma due to metavariable (6 messages, latest: May 10 2020 at 21:44)
- do tactics change? (28 messages, latest: May 10 2020 at 20:19)
- How to do algebraic transformations? (18 messages, latest: May 10 2020 at 17:39)
- apply with typeclass instances (29 messages, latest: May 10 2020 at 17:07)
- Contrapositive law without excluded middle? (18 messages, latest: May 10 2020 at 17:03)
- how is log defined in lean? (22 messages, latest: May 10 2020 at 09:33)
- Please Eliminate My Large Questions (106 messages, latest: May 10 2020 at 08:23)
- lift to units? (2 messages, latest: May 10 2020 at 00:16)
- Induction vs recursion (75 messages, latest: May 09 2020 at 15:09)
- Docs about
meta
keyword (9 messages, latest: May 09 2020 at 14:46) - Adding directories to LEAN_PATH (13 messages, latest: May 09 2020 at 10:32)
- lean for coq users? (34 messages, latest: May 09 2020 at 04:34)
- Rewriting in assumption (19 messages, latest: May 09 2020 at 02:06)
- canonical answers to "what next after NNG"? (2 messages, latest: May 09 2020 at 00:24)
- Recursive function (12 messages, latest: May 07 2020 at 19:37)
- fun with pfun and dite (34 messages, latest: May 07 2020 at 17:23)
- Zulipchat search question (4 messages, latest: May 07 2020 at 17:07)
- Heather Macbeth (introduction) (3 messages, latest: May 07 2020 at 17:00)
- Confused with double "exists" (5 messages, latest: May 07 2020 at 08:00)
- Product of continuous functions (16 messages, latest: May 07 2020 at 05:57)
- iterate over a multiset/finset (43 messages, latest: May 07 2020 at 03:30)
- Mathieu Guay-Paquet (introduction) (5 messages, latest: May 05 2020 at 19:27)
- proving a lemma about infinite sets (22 messages, latest: May 05 2020 at 18:10)
- rational coertion (13 messages, latest: May 05 2020 at 16:58)
- natural number game - add left cancel (10 messages, latest: May 05 2020 at 16:54)
- Natural number game, excluded middle (16 messages, latest: May 05 2020 at 09:54)
- Tutorials update (3 messages, latest: May 04 2020 at 21:01)
- Walter Moreira (introduction) (6 messages, latest: May 04 2020 at 20:51)
- Aram Bingham (hello world) (6 messages, latest: May 04 2020 at 20:17)
leanproject get
do not stop (10 messages, latest: May 04 2020 at 14:28)- instance of decidable_set_is_empty (34 messages, latest: May 04 2020 at 07:47)
- Is fin injective? (5 messages, latest: May 04 2020 at 04:55)
- Finsets and fintypes (31 messages, latest: May 03 2020 at 10:52)
- Euclid's Elements (2 messages, latest: May 03 2020 at 09:43)
- invalid apply tactic (20 messages, latest: May 03 2020 at 09:36)
- Subtypes (41 messages, latest: May 03 2020 at 05:19)
- norm_num/ ring doesn't solve this? (25 messages, latest: May 02 2020 at 21:23)
- vector type (12 messages, latest: May 02 2020 at 20:49)
- where is % defined? (6 messages, latest: May 02 2020 at 19:44)
- functions with finite support (62 messages, latest: May 02 2020 at 11:06)
- server reloads imports? (10 messages, latest: May 02 2020 at 03:20)
- rw with inductive types (16 messages, latest: May 01 2020 at 02:56)
- Coercion issues (8 messages, latest: Apr 30 2020 at 17:32)
- real.exp_log (21 messages, latest: Apr 30 2020 at 15:18)
- Diagonal Ramsey Number Lower Bound (227 messages, latest: Apr 29 2020 at 15:29)
- Help with proving with contradiction (51 messages, latest: Apr 29 2020 at 14:29)
- showing injectivity (253 messages, latest: Apr 29 2020 at 10:03)
- Recursor (18 messages, latest: Apr 29 2020 at 00:12)
- IVT (44 messages, latest: Apr 28 2020 at 17:59)
- pow_mono (28 messages, latest: Apr 28 2020 at 17:50)
- bezout (34 messages, latest: Apr 28 2020 at 08:30)
- Finishing off induction for pigeonhole (222 messages, latest: Apr 26 2020 at 22:49)
- Double Negation and Proof by Contradiction (5 messages, latest: Apr 26 2020 at 20:18)
- Extracting from a forall (17 messages, latest: Apr 26 2020 at 17:48)
- Composite not prime (3 messages, latest: Apr 26 2020 at 17:45)
- Either Prime or Composite (6 messages, latest: Apr 26 2020 at 16:09)
- Inequalities with Reals (11 messages, latest: Apr 25 2020 at 21:43)
- Building sets (19 messages, latest: Apr 25 2020 at 09:48)
- Help with Proving a Simple Theorem (7 messages, latest: Apr 25 2020 at 01:57)
- brec_on and below (2 messages, latest: Apr 24 2020 at 18:46)
- documentation exercise questions (15 messages, latest: Apr 24 2020 at 13:54)
- zero locus of an ideal (14 messages, latest: Apr 24 2020 at 13:07)
- Multiplication in Pattern Matching (19 messages, latest: Apr 24 2020 at 01:42)
- lean code formatter (4 messages, latest: Apr 23 2020 at 19:15)
- Multiplying by 2 (20 messages, latest: Apr 23 2020 at 16:00)
- What is going on? (21 messages, latest: Apr 23 2020 at 11:32)
- permutation (6 messages, latest: Apr 22 2020 at 18:25)
- problem with old_structure_cmd (17 messages, latest: Apr 22 2020 at 15:40)
- why doesn't this work? (9 messages, latest: Apr 22 2020 at 13:52)
- exhausting finite possibilities (5 messages, latest: Apr 22 2020 at 09:12)
- more casting issues (6 messages, latest: Apr 22 2020 at 00:56)
- [decideable_pred p] (3 messages, latest: Apr 21 2020 at 17:08)
- Linking / Using mathlib and tactics (10 messages, latest: Apr 21 2020 at 00:48)
- List is forced up a universe? (53 messages, latest: Apr 20 2020 at 10:57)
- Universal algebra (19 messages, latest: Apr 20 2020 at 10:44)
- gcd_domain (29 messages, latest: Apr 20 2020 at 01:10)
- triangle inequality (15 messages, latest: Apr 19 2020 at 16:30)
- rw not working with nat.fib (10 messages, latest: Apr 19 2020 at 07:20)
- Simp not working inside a predicate (8 messages, latest: Apr 18 2020 at 23:17)
- Computability (17 messages, latest: Apr 18 2020 at 09:11)
- CoCalc functionality (67 messages, latest: Apr 16 2020 at 08:10)
- changing indices (3 messages, latest: Apr 15 2020 at 17:57)
- syntax in term mode (9 messages, latest: Apr 15 2020 at 16:12)
- Float division in Lean? (99 messages, latest: Apr 15 2020 at 03:13)
- Mutually recursive inductive types (22 messages, latest: Apr 15 2020 at 01:45)
- adding one inside a function (16 messages, latest: Apr 14 2020 at 22:44)
- Cyclotomic Fields and Class Group (4 messages, latest: Apr 14 2020 at 19:22)
- construct a term from a nonempty type (40 messages, latest: Apr 14 2020 at 17:49)
- Differences between (…), {…} and […] (9 messages, latest: Apr 14 2020 at 13:27)
- Type class inference with parameters (21 messages, latest: Apr 13 2020 at 11:40)
- Define function from ∀x, ∃y? (80 messages, latest: Apr 13 2020 at 08:34)
- (2 * k + 1) / 2 = k (5 messages, latest: Apr 13 2020 at 07:42)
- Defeq involving recursors (32 messages, latest: Apr 13 2020 at 06:06)
- Encoding Field as Abelian Group (12 messages, latest: Apr 13 2020 at 00:27)
- New version of Logical Verification in Lean book (18 messages, latest: Apr 12 2020 at 19:49)
- nat.strong_rec_on_beta (54 messages, latest: Apr 12 2020 at 17:19)
- contradiction question (5 messages, latest: Apr 12 2020 at 14:38)
- axiom schemas in Lean? (20 messages, latest: Apr 12 2020 at 12:49)
- new versions coming out too fast? (72 messages, latest: Apr 12 2020 at 07:08)
- mathlib install (9 messages, latest: Apr 12 2020 at 03:47)
- advanced addition world level 7 (26 messages, latest: Apr 11 2020 at 20:44)
- chained ors (57 messages, latest: Apr 11 2020 at 18:12)
- Return of the monolith (24 messages, latest: Apr 11 2020 at 10:02)
- adding one (10 messages, latest: Apr 11 2020 at 07:59)
- Rec_on arguments (33 messages, latest: Apr 11 2020 at 04:14)
- add one more to sum (9 messages, latest: Apr 10 2020 at 22:48)
- Execute tactic block n times (3 messages, latest: Apr 10 2020 at 07:37)
- Using one Exists to prove another? (4 messages, latest: Apr 10 2020 at 05:35)
- New here (2 messages, latest: Apr 10 2020 at 04:14)
- Match on derived expression with equation compiler (7 messages, latest: Apr 09 2020 at 01:48)
- Lynn's has_duplicate exercise (41 messages, latest: Apr 07 2020 at 22:55)
- bundled subgroups (17 messages, latest: Apr 07 2020 at 15:50)
- WIP: metric spaces tutorial (61 messages, latest: Apr 06 2020 at 23:06)
- building mathlib (4 messages, latest: Apr 06 2020 at 21:04)
- cleaning up this tactic proof (regarding closures) (170 messages, latest: Apr 06 2020 at 13:47)
- arrays (75 messages, latest: Apr 06 2020 at 01:31)
- lean book (8 messages, latest: Apr 05 2020 at 23:50)
- has_neg for X → Y where Y has_neg? (47 messages, latest: Apr 05 2020 at 15:18)
- Metric space question (94 messages, latest: Apr 04 2020 at 18:30)
- integer subtraction / rational division (123 messages, latest: Apr 04 2020 at 15:36)
- grasshopper problem (157 messages, latest: Apr 04 2020 at 02:59)
- introduction ilmu (20 messages, latest: Apr 03 2020 at 21:04)
- Type theory books? (21 messages, latest: Apr 03 2020 at 13:42)
- Getting Started with Lean with prior experience in Coq (16 messages, latest: Apr 03 2020 at 12:50)
- Documentation on superclasses (2 messages, latest: Apr 02 2020 at 17:14)
- 1/2 > 0 (8 messages, latest: Apr 01 2020 at 16:36)
- How to Extract (3 messages, latest: Apr 01 2020 at 15:36)
- Tactic writing: forall to lambda (10 messages, latest: Mar 31 2020 at 02:18)
- misunderstanding coe? (55 messages, latest: Mar 30 2020 at 20:51)
- term style equivalent to
use
(9 messages, latest: Mar 30 2020 at 00:47) - flatten conjunction access (16 messages, latest: Mar 29 2020 at 21:54)
- Dumb question: where did analysis.real go? (19 messages, latest: Mar 29 2020 at 18:23)
- Lift a type to a higher universe (5 messages, latest: Mar 28 2020 at 22:23)
- unnecessary axioms (8 messages, latest: Mar 28 2020 at 22:20)
- command line interface (32 messages, latest: Mar 28 2020 at 12:10)
- order of a group (18 messages, latest: Mar 28 2020 at 03:12)
- 2006 STEP 3 Question 8 (114 messages, latest: Mar 27 2020 at 14:52)
- focusing goals (11 messages, latest: Mar 27 2020 at 13:15)
- exists.intro with two 'arguments' (22 messages, latest: Mar 27 2020 at 03:58)
- Type Mismatch with coe to fun (6 messages, latest: Mar 26 2020 at 15:59)
- mathlib installation (72 messages, latest: Mar 25 2020 at 23:06)
- Automorphism (8 messages, latest: Mar 25 2020 at 16:33)
- Schnorr Group (38 messages, latest: Mar 24 2020 at 01:25)
- quot of fintype is fintype? (13 messages, latest: Mar 23 2020 at 12:45)
- Complete lattices and subsets (33 messages, latest: Mar 23 2020 at 10:57)
- Bezout's identity (26 messages, latest: Mar 23 2020 at 02:53)
- ring morphism from Z (30 messages, latest: Mar 22 2020 at 23:12)
- residue class (24 messages, latest: Mar 22 2020 at 22:08)
- Build a sequence (N → X) by strong induction (16 messages, latest: Mar 22 2020 at 21:04)
- symmetric function (13 messages, latest: Mar 22 2020 at 19:14)
- Proving Something is False (19 messages, latest: Mar 22 2020 at 19:03)
- Not Equal To (4 messages, latest: Mar 22 2020 at 18:07)
- On the side of logic (64 messages, latest: Mar 22 2020 at 17:23)
- Sizeof for types in Prop (37 messages, latest: Mar 22 2020 at 15:56)
- make a group (48 messages, latest: Mar 21 2020 at 21:13)
- more more basics (170 messages, latest: Mar 21 2020 at 17:20)
- Natural Number addition definition (47 messages, latest: Mar 21 2020 at 13:28)
- using theorem with existential quantifier (9 messages, latest: Mar 21 2020 at 03:43)
- How to prove (¬ (∀ x, P x)) → (∃ y, ¬ (P y)) in Lean (17 messages, latest: Mar 21 2020 at 00:34)
- Silly Question? (5 messages, latest: Mar 20 2020 at 17:01)
- Composite and DeMorgan (2 messages, latest: Mar 20 2020 at 16:41)
- Using An Existing Theorem: Simple Example (10 messages, latest: Mar 20 2020 at 16:36)
- preferred definition of subobject? (41 messages, latest: Mar 20 2020 at 10:27)
- show tactic state (22 messages, latest: Mar 19 2020 at 18:40)
- IFF Question (6 messages, latest: Mar 19 2020 at 16:58)
- TPIL chaper 8 Ackermann function (21 messages, latest: Mar 17 2020 at 19:32)
- Splitting the Goal (4 messages, latest: Mar 17 2020 at 16:27)
- fintype + decidability (8 messages, latest: Mar 17 2020 at 15:18)
- An example involving Ch.2 and NNG (86 messages, latest: Mar 17 2020 at 13:06)
- Understanding Contradiction (16 messages, latest: Mar 16 2020 at 22:39)
- Inequality World 2 (97 messages, latest: Mar 16 2020 at 22:22)
- How to use equation compiler (4 messages, latest: Mar 16 2020 at 22:07)
- leanpkg issues (no more issue) (7 messages, latest: Mar 16 2020 at 19:21)
- Inequality World (111 messages, latest: Mar 15 2020 at 08:14)
- a > a is false (4 messages, latest: Mar 15 2020 at 01:26)
- home pages (13 messages, latest: Mar 13 2020 at 17:59)
- Prime Theorem Help (16 messages, latest: Mar 13 2020 at 00:44)
- has_binary_products etc. (8 messages, latest: Mar 12 2020 at 15:43)
- naturals nonnegative (6 messages, latest: Mar 11 2020 at 16:18)
- searching theorems (3 messages, latest: Mar 11 2020 at 10:57)
- hyperreal.lean in math lib (26 messages, latest: Mar 08 2020 at 19:51)
- euclid_lemma (5 messages, latest: Mar 08 2020 at 14:31)
- gsmul_int_int (3 messages, latest: Mar 07 2020 at 05:33)
- creating git project (10 messages, latest: Mar 06 2020 at 18:22)
- Introducing a new variable (4 messages, latest: Mar 06 2020 at 17:56)
- enumerated types are fintypes? (8 messages, latest: Mar 06 2020 at 17:34)
- defining power on groups (24 messages, latest: Mar 05 2020 at 22:05)
- Improving injectivity proof (19 messages, latest: Mar 05 2020 at 19:02)
- Typeclasses in category_theory/limits (7 messages, latest: Mar 05 2020 at 07:57)
- best way to prove (3 messages, latest: Mar 03 2020 at 20:33)
- Specializing filters to sequences (11 messages, latest: Mar 03 2020 at 20:09)
- applying definitions to theorems (26 messages, latest: Mar 03 2020 at 16:59)
- formalizing Hilbert's axioms for plane geometry (251 messages, latest: Mar 03 2020 at 08:01)
- premeasures? (1 message, latest: Mar 03 2020 at 02:35)
- Sum type cancellation (10 messages, latest: Mar 02 2020 at 16:21)
- How to state this problem (52 messages, latest: Mar 02 2020 at 10:58)
- Basic building block tactics (69 messages, latest: Mar 02 2020 at 02:36)
- Splitting multiple conjunctions in one go (3 messages, latest: Mar 02 2020 at 02:07)
- Inequalities and coercions (5 messages, latest: Feb 29 2020 at 08:56)
- Substitute away let binding in tactic mode (9 messages, latest: Feb 28 2020 at 16:56)
- Triggering reduction of ifthenelse in case analysis (7 messages, latest: Feb 28 2020 at 16:20)
- Divisibility Argument (25 messages, latest: Feb 28 2020 at 09:14)
- Local/city threads (12 messages, latest: Feb 28 2020 at 04:03)
- implicit parameters in conv mode (2 messages, latest: Feb 27 2020 at 00:24)
- Simplifying Prop with Known False Statements (68 messages, latest: Feb 26 2020 at 20:27)
- induction with abbreviations (8 messages, latest: Feb 26 2020 at 19:57)
- help with fintype (38 messages, latest: Feb 26 2020 at 18:56)
- even not odd (5 messages, latest: Feb 26 2020 at 17:09)
- Vector space syntax (4 messages, latest: Feb 25 2020 at 23:05)
- set.sum? (4 messages, latest: Feb 25 2020 at 17:23)
- deep recursion error reducing strings (5 messages, latest: Feb 25 2020 at 16:30)
- Should I be using classes here? (11 messages, latest: Feb 25 2020 at 15:17)
- Theorem-searching mechanism in Lean? (16 messages, latest: Feb 25 2020 at 14:24)
- by_cases message (4 messages, latest: Feb 25 2020 at 10:57)
- zero versus 0 (21 messages, latest: Feb 25 2020 at 09:21)
- Automated tactic for solving trivial (in)equalities on reals (3 messages, latest: Feb 25 2020 at 08:20)
- error about instances (7 messages, latest: Feb 24 2020 at 23:35)
- Basic Question (18 messages, latest: Feb 24 2020 at 19:36)
- subtype coercion (17 messages, latest: Feb 23 2020 at 20:25)
- Using mathlib in Lean project created using leanpkg (43 messages, latest: Feb 23 2020 at 15:18)
- Complexity of a propositional formula (8 messages, latest: Feb 22 2020 at 08:29)
- Boolean equality on nats (4 messages, latest: Feb 22 2020 at 06:47)
- Specific selection of terms with rw (12 messages, latest: Feb 20 2020 at 14:47)
- Cannot start tutorials, nor import topology.basic, nor… (64 messages, latest: Feb 19 2020 at 22:07)
- definition unpacking (13 messages, latest: Feb 19 2020 at 18:18)
- spheres (45 messages, latest: Feb 19 2020 at 04:15)
- Getting equation from match (11 messages, latest: Feb 18 2020 at 11:13)
- finset.lt_wf fails (5 messages, latest: Feb 18 2020 at 03:29)
- Standard well-founded tactics on later argument (12 messages, latest: Feb 17 2020 at 21:33)
- Tactic Proof not Responding. Overflow? (71 messages, latest: Feb 17 2020 at 20:09)
- Defining a symmetric function (17 messages, latest: Feb 17 2020 at 02:38)
- Brackets after unification symbol? (6 messages, latest: Feb 16 2020 at 16:23)
- Trouble Installing Mathlib (6 messages, latest: Feb 14 2020 at 20:36)
- Rewrite tactic (4 messages, latest: Feb 14 2020 at 16:19)
- Feasibility of graph or simplicial complex statement (103 messages, latest: Feb 13 2020 at 23:32)
- Can't define Chebyshev polynomials (31 messages, latest: Feb 13 2020 at 20:27)
- induction over nested sigma (4 messages, latest: Feb 13 2020 at 17:24)
- action of subgroup inference issues (11 messages, latest: Feb 13 2020 at 08:11)
- Intermediate Value Theorem (35 messages, latest: Feb 12 2020 at 21:31)
- contradiction (4 messages, latest: Feb 12 2020 at 16:48)
- First problems in group theory (65 messages, latest: Feb 12 2020 at 07:37)
- Using analysis/calculus/deriv.lean a bottleneck (41 messages, latest: Feb 11 2020 at 23:32)
- squares (22 messages, latest: Feb 10 2020 at 16:36)
- is this a use case for quotient? (6 messages, latest: Feb 10 2020 at 15:41)
- trivial ordering (64 messages, latest: Feb 10 2020 at 00:09)
- Statements that require a previous result (9 messages, latest: Feb 09 2020 at 17:00)
linear_map
asadd_monoid_hom
(8 messages, latest: Feb 09 2020 at 01:21)- Contribution to mathlib with the Ostrowski theorem (224 messages, latest: Feb 08 2020 at 21:00)
- Apply a rewrite on a precise term (5 messages, latest: Feb 08 2020 at 20:30)
- Maximum Class-instance resolution depth has been exceeded (15 messages, latest: Feb 08 2020 at 19:54)
- inductive type with anonymous constructors (16 messages, latest: Feb 06 2020 at 22:05)
- SAT in Lean (4 messages, latest: Feb 04 2020 at 20:22)
- Fundamental Theorem of Arithmetic (9 messages, latest: Feb 04 2020 at 17:07)
- defining functions out of set (27 messages, latest: Feb 03 2020 at 22:51)
- set comprehension issue (6 messages, latest: Feb 03 2020 at 17:29)
- list.nth_le (12 messages, latest: Feb 01 2020 at 21:40)
- example : ¬ (∀ x, ¬ p x) → (∃ x, p x) (91 messages, latest: Feb 01 2020 at 20:33)
- example : ¬ (∃ x, ¬ p x) → (∀ x, p x) (47 messages, latest: Feb 01 2020 at 16:39)
- sets in lean (50 messages, latest: Jan 26 2020 at 20:56)
- Permission to push create branch on main mathlib repo (6 messages, latest: Jan 26 2020 at 18:25)
- A clear tactic that doesn't care about dependency order (26 messages, latest: Jan 25 2020 at 22:16)
- Polymorphic recursion in inductive type (35 messages, latest: Jan 24 2020 at 18:20)
- _match_2 (7 messages, latest: Jan 23 2020 at 20:10)
- Analysis tools (3 messages, latest: Jan 23 2020 at 17:51)
- basics (136 messages, latest: Jan 23 2020 at 14:30)
- Using
rw
(13 messages, latest: Jan 23 2020 at 07:51) - Nested datatypes and vector (3 messages, latest: Jan 21 2020 at 22:03)
- attempt at some geometry (119 messages, latest: Jan 21 2020 at 15:13)
- elan install (9 messages, latest: Jan 21 2020 at 03:19)
- Is it bug? (13 messages, latest: Jan 21 2020 at 00:31)
- Create a polynomial in Z[X] by clearing denomiators (1 message, latest: Jan 19 2020 at 18:26)
- Understanding assume (60 messages, latest: Jan 19 2020 at 09:02)
- lifting "down" (19 messages, latest: Jan 18 2020 at 17:19)
- How to write about there are infinite primes p % 4 = 3 (19 messages, latest: Jan 16 2020 at 21:17)
- A finite set has finitely many endofunctions? (17 messages, latest: Jan 14 2020 at 13:41)
- accessing current and previous patterns (17 messages, latest: Jan 13 2020 at 23:03)
- How to access the multiplication inside the monoid inside .. (10 messages, latest: Jan 12 2020 at 20:53)
- Square, curly and normal brackets (35 messages, latest: Jan 12 2020 at 16:32)
- Equivalent Lean command for Coq's Search? (8 messages, latest: Jan 12 2020 at 05:59)
- Induction over sigma in filters (12 messages, latest: Jan 08 2020 at 00:40)
- recursion fails with irreducible type (6 messages, latest: Jan 06 2020 at 16:16)
- TPIL 7.10.3 (3 messages, latest: Jan 05 2020 at 09:26)
- distributing
or
(11 messages, latest: Jan 04 2020 at 15:28) - Coercions (5 messages, latest: Jan 03 2020 at 19:34)
- Learning from mathlib (e.g., TPiL 4.6, Q5) (36 messages, latest: Jan 02 2020 at 02:20)
- Invalid Constructor (67 messages, latest: Jan 01 2020 at 13:14)
- Unexpected behavior of norm_cast and simp (16 messages, latest: Dec 31 2019 at 15:30)
- Making inductive type instance of has_repr type class (9 messages, latest: Dec 30 2019 at 03:34)
- distribute not (36 messages, latest: Dec 30 2019 at 02:37)
or
implication (5 messages, latest: Dec 29 2019 at 22:52)- universes in lean (9 messages, latest: Dec 27 2019 at 07:15)
- Symmetry of equality applied to a hypothesis (6 messages, latest: Dec 26 2019 at 21:57)
- hello! + how to get started on math? (9 messages, latest: Dec 24 2019 at 14:30)
- inr (7 messages, latest: Dec 23 2019 at 20:48)
- proving 1 + 1 = 2. Why does my rewrite fail here? (16 messages, latest: Dec 22 2019 at 18:39)
- difference between two forms (9 messages, latest: Dec 22 2019 at 05:41)
- cache-olean user confusion? (31 messages, latest: Dec 21 2019 at 19:43)
- a concrete group (66 messages, latest: Dec 21 2019 at 17:21)
- print redundant parentheses (4 messages, latest: Dec 21 2019 at 13:02)
- Maths Challenges (49 messages, latest: Dec 20 2019 at 07:56)
- subtype issues (45 messages, latest: Dec 20 2019 at 00:43)
- simple set proof (30 messages, latest: Dec 20 2019 at 00:26)
- mod 2 problem (4 messages, latest: Dec 19 2019 at 08:42)
- error when using theorem/lemma instead of def (12 messages, latest: Dec 18 2019 at 18:11)
- case splitting the wrong way (3 messages, latest: Dec 18 2019 at 06:54)
- How do I do induction with
length t
here (17 messages, latest: Dec 18 2019 at 00:22) - Help with lean install (windows) (17 messages, latest: Dec 17 2019 at 23:56)
- Uniqueness of binary expansions (30 messages, latest: Dec 17 2019 at 21:51)
- TPIL 7.10.2.a (17 messages, latest: Dec 17 2019 at 04:51)
- iff negation (14 messages, latest: Dec 16 2019 at 22:40)
- How do I show that sum of trivial vector of ℝ is zero? (12 messages, latest: Dec 16 2019 at 21:23)
- Non zero length vector (13 messages, latest: Dec 16 2019 at 11:31)
- Issue with NNG Multiplication World Level 1? (4 messages, latest: Dec 15 2019 at 10:23)
- adding vectors (5 messages, latest: Dec 15 2019 at 09:19)
- How does quot work? (20 messages, latest: Dec 15 2019 at 07:33)
- Lean act slowly when proof gets long (60 messages, latest: Dec 15 2019 at 02:29)
- Invalid git url on natural number game (16 messages, latest: Dec 14 2019 at 17:53)
- Function that takes a pair (16 messages, latest: Dec 14 2019 at 16:49)
- Is there a way to write dependent product of propositions? (5 messages, latest: Dec 14 2019 at 07:45)
- How do I ask a tactic to only work on one side (7 messages, latest: Dec 14 2019 at 07:27)
- Best way to split this cases? (7 messages, latest: Dec 14 2019 at 05:31)
- Basic algebraic operations (5 messages, latest: Dec 13 2019 at 20:32)
- to_additive and nested namespaces (5 messages, latest: Dec 13 2019 at 20:28)
- How is 1,2,3 defined in Lean? (4 messages, latest: Dec 13 2019 at 19:45)
- How do I "cast" inequalities? (4 messages, latest: Dec 13 2019 at 19:00)
- natural number game (https://tinyurl.com/natgame1234) (324 messages, latest: Dec 13 2019 at 12:08)
- How do I go from < to ≤ (31 messages, latest: Dec 13 2019 at 00:47)
- n-fold cartesian product (3 messages, latest: Dec 13 2019 at 00:05)
- Cryptic error message (30 messages, latest: Dec 12 2019 at 23:33)
- decidable disjoint (5 messages, latest: Dec 12 2019 at 19:38)
- infering values in constructor (9 messages, latest: Dec 12 2019 at 19:16)
- Simple tactic for sum of natural numbers (5 messages, latest: Dec 12 2019 at 17:47)
- Simple Uniform Probability (2 messages, latest: Dec 12 2019 at 13:27)
- Is there a way to search a particular rewrite? (12 messages, latest: Dec 12 2019 at 07:53)
- understanding update-mathlib (8 messages, latest: Dec 11 2019 at 21:36)
- How does polymorphism work in Lean? (11 messages, latest: Dec 11 2019 at 15:12)
- What tactic do I use to show squares are non-negative? (5 messages, latest: Dec 11 2019 at 07:10)
- Syntax question about universal quantification ∀ (5 messages, latest: Dec 10 2019 at 00:06)
- M40001 term sheet 2 (7 messages, latest: Dec 09 2019 at 23:27)
- Non-empty finsets (10 messages, latest: Dec 09 2019 at 19:35)
- mathlib tactics (111 messages, latest: Dec 09 2019 at 17:37)
- Injectivity of coercions (5 messages, latest: Dec 09 2019 at 10:28)
- Scoping notation (3 messages, latest: Dec 09 2019 at 05:23)
- Motive not type correct (10 messages, latest: Dec 08 2019 at 16:14)
- vec.cons in chapter 2 (3 messages, latest: Dec 07 2019 at 17:09)
- Clear all (3 messages, latest: Dec 07 2019 at 09:39)
- Set theory (9 messages, latest: Dec 06 2019 at 15:20)
- Problems with meta variable in goal (11 messages, latest: Dec 06 2019 at 10:22)
- how to convert a rational polynomial into a polynomial oR[x] (2 messages, latest: Dec 05 2019 at 18:18)
- Lattice of Ideals has Bottom (4 messages, latest: Dec 05 2019 at 17:32)
- Summing over a range (23 messages, latest: Dec 05 2019 at 11:34)
- TPiL 4.6, Q2 (14 messages, latest: Dec 05 2019 at 01:49)
- Hypothetical judgements (12 messages, latest: Dec 04 2019 at 19:58)
- Defining a function by or.elim (59 messages, latest: Dec 04 2019 at 16:20)
- Machine learning tooling (19 messages, latest: Dec 02 2019 at 19:33)
- type expected error (15 messages, latest: Dec 02 2019 at 14:23)
- Submodules : Structure VS Class (41 messages, latest: Dec 01 2019 at 19:12)
- Product types (4 messages, latest: Dec 01 2019 at 13:24)
- WSL ubuntu error (78 messages, latest: Nov 30 2019 at 22:08)
- Multiple applies/exacts/haves in tactic mode (9 messages, latest: Nov 30 2019 at 10:23)
- update-mathlib required 'github'? (14 messages, latest: Nov 28 2019 at 20:59)
- Cases on fin 2 (7 messages, latest: Nov 28 2019 at 17:48)
- Type classes (17 messages, latest: Nov 27 2019 at 19:13)
- cannot find case names for induction (11 messages, latest: Nov 27 2019 at 16:04)
- vscode deleting code (5 messages, latest: Nov 27 2019 at 14:40)
- multiple assumptions of definitionally equal type (43 messages, latest: Nov 26 2019 at 20:07)
- Type ?M_1 (5 messages, latest: Nov 26 2019 at 17:59)
- rewrite only first occurrence? (20 messages, latest: Nov 24 2019 at 19:09)
- Learning Lean and mathlib (3 messages, latest: Nov 23 2019 at 14:29)
- Problems with installation (3 messages, latest: Nov 22 2019 at 16:22)
- Coq for Lean users (or vice versa)? (4 messages, latest: Nov 22 2019 at 12:46)
- add_monoid N (4 messages, latest: Nov 21 2019 at 14:25)
- Equivalent of subtype.eq for structures? (18 messages, latest: Nov 21 2019 at 13:55)
- Specializing weak implicit arguments (4 messages, latest: Nov 21 2019 at 13:35)
- Dealing with ite (9 messages, latest: Nov 21 2019 at 10:56)
- Tidying up a proof (75 messages, latest: Nov 21 2019 at 10:38)
- Using attach with fold (32 messages, latest: Nov 21 2019 at 09:47)
- no nightly archive found (13 messages, latest: Nov 21 2019 at 07:32)
- One-line proof (11 messages, latest: Nov 20 2019 at 23:10)
- Applying a hypothesis to just one term in tactic mode (65 messages, latest: Nov 20 2019 at 17:56)
- How to use choice tactic? (13 messages, latest: Nov 20 2019 at 09:14)
- Comments on proof (8 messages, latest: Nov 20 2019 at 08:31)
- proving sum(range 0) = 0 (14 messages, latest: Nov 20 2019 at 00:19)
- Frustrating nat proofs (15 messages, latest: Nov 19 2019 at 00:31)
- Using data.rat (142 messages, latest: Nov 18 2019 at 08:51)
- noob VS Code autocomplete question (14 messages, latest: Nov 16 2019 at 14:22)
- Giving a proof in the type (8 messages, latest: Nov 15 2019 at 23:04)
- @[refl] and coercion to a reflexive binary relation (3 messages, latest: Nov 15 2019 at 01:44)
- Understanding Alist (52 messages, latest: Nov 14 2019 at 19:52)
- Lemmas about subtype.rec (44 messages, latest: Nov 14 2019 at 19:50)
- Enforcing that arguments are of an inductive type? (7 messages, latest: Nov 14 2019 at 14:15)
- TPIL 3.7 labeled exercises (2 messages, latest: Nov 13 2019 at 18:50)
- Operator sections (3 messages, latest: Nov 13 2019 at 15:57)
- power function injective over nat (13 messages, latest: Nov 13 2019 at 12:46)
- Difference between def and let (9 messages, latest: Nov 12 2019 at 16:43)
- Making Sphinx notes (12 messages, latest: Nov 12 2019 at 14:43)
- leanpkg build … too fast? (12 messages, latest: Nov 11 2019 at 06:40)
- nth append (8 messages, latest: Nov 10 2019 at 23:01)
- negation of a formula in prenex normal form (4 messages, latest: Nov 10 2019 at 19:38)
- How to check whether a notion is already in mathlib? (10 messages, latest: Nov 10 2019 at 06:21)
- mathlib dependency (14 messages, latest: Nov 09 2019 at 20:42)
- TPIL 4.6.7 (10 messages, latest: Nov 09 2019 at 16:55)
- TPIL 4.6.6 (20 messages, latest: Nov 09 2019 at 08:45)
- 1/0=0 (34 messages, latest: Nov 09 2019 at 07:22)
- vscode very slow (8 messages, latest: Nov 08 2019 at 18:37)
- my attempt proving gcd(a, b) = gcd(b, a) (14 messages, latest: Nov 08 2019 at 13:21)
- How do I get the "right" side of a definition? (3 messages, latest: Nov 08 2019 at 04:51)
- quantifier exercises (47 messages, latest: Nov 08 2019 at 00:34)
- compactness proof (6 messages, latest: Nov 07 2019 at 22:14)
- product of integers (4 messages, latest: Nov 07 2019 at 16:52)
- The stupid way to prove the divisibility of sums (6 messages, latest: Nov 07 2019 at 07:03)
- Reassign variable value (12 messages, latest: Nov 06 2019 at 14:40)
- How do you replace a goal by its contrapositive? (19 messages, latest: Nov 06 2019 at 12:20)
- error on "import tactic.ring" (4 messages, latest: Nov 06 2019 at 07:04)
- Usage of elim_cast (8 messages, latest: Nov 05 2019 at 15:22)
- equivalent definitions of prime (47 messages, latest: Nov 05 2019 at 07:18)
- commuting endomorphisms simultaneously diagonalisable (5 messages, latest: Nov 04 2019 at 22:13)
- I proved divisibility is transitive! (30 messages, latest: Nov 04 2019 at 16:15)
- Bug with letter H? (5 messages, latest: Nov 04 2019 at 09:51)
- Look for lemma (4 messages, latest: Nov 02 2019 at 21:56)
- Proof review (40 messages, latest: Nov 02 2019 at 15:53)
- How to make Vec polymorphic over the universe levels? (31 messages, latest: Nov 02 2019 at 08:42)
- How to prove law of excluded middle from double negation? (12 messages, latest: Nov 01 2019 at 13:09)
- Pi type/invalid field notation (22 messages, latest: Nov 01 2019 at 10:26)
- Why is Prop not a part of the Type hierarchy? (22 messages, latest: Oct 31 2019 at 20:16)
- subtype map (10 messages, latest: Oct 31 2019 at 14:48)
- How to insert a proposition as a field of an inductive type? (17 messages, latest: Oct 31 2019 at 08:52)
- Is it possible to define Fin and Vec in Lean like in Agda? (35 messages, latest: Oct 31 2019 at 08:48)
- how to use simp (59 messages, latest: Oct 30 2019 at 23:51)
- Cast with apply (6 messages, latest: Oct 30 2019 at 19:09)
- Finite-rank free modules (11 messages, latest: Oct 29 2019 at 19:40)
- Exercise from the lean manual (4 messages, latest: Oct 29 2019 at 17:32)
- rewriting in hypotheses (51 messages, latest: Oct 29 2019 at 07:33)
- invalid nat.cases_on application (27 messages, latest: Oct 28 2019 at 16:06)
- Why is there a hidden variable in this example? (19 messages, latest: Oct 28 2019 at 14:36)
- Projective geometry (15 messages, latest: Oct 28 2019 at 10:18)
- example : ¬(p → q) → p ∧ ¬q (20 messages, latest: Oct 28 2019 at 00:04)
- trichotomy of naturals (6 messages, latest: Oct 27 2019 at 14:50)
- How to change the
#eval
duration? (4 messages, latest: Oct 27 2019 at 09:30) - How to turn off termination checking for a function? (5 messages, latest: Oct 27 2019 at 08:16)
- cone morphisms (141 messages, latest: Oct 27 2019 at 06:22)
- non-empty lists, again (22 messages, latest: Oct 26 2019 at 21:51)
- endomorphism algebra (8 messages, latest: Oct 26 2019 at 15:43)
- What is that
.
inrbmap
's definition? (37 messages, latest: Oct 26 2019 at 09:45) - zero_max a rfl lemma (18 messages, latest: Oct 25 2019 at 22:03)
- How to use a type alias without breaking typeclass synthesis (31 messages, latest: Oct 25 2019 at 15:06)
- How to make
to_the_right_of
function? (10 messages, latest: Oct 25 2019 at 08:21) - empty cone (49 messages, latest: Oct 24 2019 at 13:08)
- How do I map a list along with proof of membership? (3 messages, latest: Oct 23 2019 at 14:19)
- wf recursion after mathlib update (4 messages, latest: Oct 22 2019 at 21:40)
- what is the type of fst? (7 messages, latest: Oct 22 2019 at 18:56)
- example : ¬(p ↔ ¬p) (27 messages, latest: Oct 22 2019 at 10:56)
- Weird executable version issue (27 messages, latest: Oct 21 2019 at 16:41)
- dne implies em (10 messages, latest: Oct 20 2019 at 23:49)
- Dependent induction? (36 messages, latest: Oct 20 2019 at 08:26)
- File not found in LEAN_PATH (90 messages, latest: Oct 20 2019 at 02:30)
- example : ((p ∨ q) → r) → (p → r) ∧ (q → r) (3 messages, latest: Oct 19 2019 at 15:04)
- format_lean woes (24 messages, latest: Oct 19 2019 at 03:48)
- Lean for Cryptography (13 messages, latest: Oct 18 2019 at 21:32)
- Conv in a calc (10 messages, latest: Oct 18 2019 at 17:45)
- How to destructure
fin
using pattern matching? (12 messages, latest: Oct 18 2019 at 14:42) - How to write out variable declarations involving typeclasses (5 messages, latest: Oct 17 2019 at 19:00)
- Do lenses fit anywhere in mathlib? (15 messages, latest: Oct 17 2019 at 14:43)
- How to prove
(-2) * m * m + m ^ 2 ≤ (-2) * m * m' + m' ^ 2
(9 messages, latest: Oct 16 2019 at 23:39) - Proof search (56 messages, latest: Oct 16 2019 at 22:41)
- example: (p ∨ q) ∧ (p ∨ r) → p ∨ (q ∧ r) (16 messages, latest: Oct 16 2019 at 22:33)
- 'eliminator' elaboration was not used (26 messages, latest: Oct 16 2019 at 10:58)
- How to prove
¬ (↑(list.length l) + 1) = (0 : rat)
? (3 messages, latest: Oct 15 2019 at 13:17) - Is it possible to write at goal? (4 messages, latest: Oct 15 2019 at 11:53)
- Giry monad (26 messages, latest: Oct 14 2019 at 19:36)
- How to fold statements into the calc block? (69 messages, latest: Oct 14 2019 at 13:19)
- emacs lean mathlib (53 messages, latest: Oct 14 2019 at 02:36)
- range of ring morphism ? (7 messages, latest: Oct 13 2019 at 19:56)
- complex.I is algebraic ! (12 messages, latest: Oct 13 2019 at 08:51)
- 0 < 1 + 1 (34 messages, latest: Oct 12 2019 at 19:51)
- Getting started (156 messages, latest: Oct 12 2019 at 16:40)
- type class question (19 messages, latest: Oct 12 2019 at 09:48)
- helloworld (25 messages, latest: Oct 11 2019 at 12:00)
- reduce bool variable (3 messages, latest: Oct 11 2019 at 07:32)
- Beginner question: inequality (19 messages, latest: Oct 09 2019 at 16:56)
- working with symbolic real numbers (7 messages, latest: Oct 08 2019 at 19:13)
- resource for mutual lemmas (18 messages, latest: Oct 08 2019 at 09:32)
- noob question: vscode and LEAN_PATH (17 messages, latest: Oct 08 2019 at 06:57)
- simple arithmetic proofs (3 messages, latest: Oct 07 2019 at 12:27)
- equality in lean (3 messages, latest: Oct 07 2019 at 11:41)
- Apply rw to hypothesis (8 messages, latest: Oct 04 2019 at 20:55)
- List of Unicode Input Terms? (7 messages, latest: Oct 04 2019 at 07:10)
- prime powers (7 messages, latest: Oct 04 2019 at 04:30)
- infinite Ramsey theorem (49 messages, latest: Oct 03 2019 at 17:27)
- sequence 1/n converges, "type mismatch" (3 messages, latest: Oct 03 2019 at 15:09)
- prod_instances (5 messages, latest: Oct 03 2019 at 05:54)
- New wave (4 messages, latest: Oct 02 2019 at 17:16)
- unicode fonts for VS code on macOS (8 messages, latest: Oct 01 2019 at 20:29)
- Type of the empty type? (25 messages, latest: Oct 01 2019 at 20:20)
- simple pattern matching with lean4 (20 messages, latest: Sep 30 2019 at 03:36)
- Trigonometric functions (97 messages, latest: Sep 29 2019 at 23:03)
- tutorial about tactics? (147 messages, latest: Sep 29 2019 at 00:15)
- Extending a class with two classes (9 messages, latest: Sep 28 2019 at 12:40)
- false.elim tactic? (34 messages, latest: Sep 26 2019 at 22:44)
- Structure for simple graphs (21 messages, latest: Sep 26 2019 at 21:48)
- \l symbol (4 messages, latest: Sep 23 2019 at 19:35)
- Beginner question, pattern matching (61 messages, latest: Sep 20 2019 at 15:11)
- disjoint in algebra.big_operators (11 messages, latest: Sep 18 2019 at 13:39)
- Curry/Uncurry (7 messages, latest: Sep 16 2019 at 17:47)
- complete lattice of setoids (6 messages, latest: Sep 13 2019 at 11:27)
- 3+ mutually recursive functions (19 messages, latest: Sep 10 2019 at 06:58)
- Is mathlib-nursary recommended/alive? (2 messages, latest: Sep 08 2019 at 16:27)
- terms as types? (13 messages, latest: Sep 04 2019 at 13:19)
- Thinking about lists backwards (7 messages, latest: Sep 02 2019 at 07:12)
- CNF transformation of Propositional expressions (53 messages, latest: Sep 01 2019 at 06:59)
- TPIL Chap 3 exercise help (2 messages, latest: Aug 30 2019 at 16:28)
apply'
timeout (29 messages, latest: Aug 29 2019 at 17:25)- How do you set the Lean exec? (37 messages, latest: Aug 28 2019 at 06:02)
- What is type A->B called? (3 messages, latest: Aug 28 2019 at 05:35)
- TPIL question, lambda defs (17 messages, latest: Aug 27 2019 at 10:43)
- BananaCats - diagram edit & chase (3 messages, latest: Aug 27 2019 at 04:52)
- Question in first_proofs.lean (11 messages, latest: Aug 25 2019 at 21:50)
- Does Lean list choices? (8 messages, latest: Aug 25 2019 at 15:23)
- VScode: way to not auto put in
)
?.60.20.3F.html) (4 messages, latest: Aug 24 2019 at 18:46) - Propagate proof state in match? (9 messages, latest: Aug 24 2019 at 14:14)
- How to use VSCode Extension? (94 messages, latest: Aug 24 2019 at 10:36)
- CD editor with Lean proof logic (21 messages, latest: Aug 24 2019 at 08:26)
- I want to DLLize Lean (44 messages, latest: Aug 24 2019 at 07:56)
- Custom induction (3 messages, latest: Aug 20 2019 at 19:40)
- propext (15 messages, latest: Aug 17 2019 at 10:23)
- cases on mutually recursive types (6 messages, latest: Aug 16 2019 at 19:07)
- Induction on minimum "length" (28 messages, latest: Aug 16 2019 at 17:43)
- easy questions (111 messages, latest: Aug 16 2019 at 07:17)
- How to write this in proof in tactic style (8 messages, latest: Aug 15 2019 at 20:39)
- Calclulational proofs (12 messages, latest: Aug 13 2019 at 14:23)
- nat.cast_smul (11 messages, latest: Aug 12 2019 at 14:29)
- Cast weirdness (11 messages, latest: Aug 12 2019 at 02:02)
- Pulling class instances through "complicated" computations (88 messages, latest: Aug 10 2019 at 12:45)
- hoogle/search (12 messages, latest: Aug 09 2019 at 04:26)
- linarith and "not equal" (13 messages, latest: Aug 06 2019 at 10:10)
- defining wff (9 messages, latest: Aug 03 2019 at 01:24)
- inner product in a normed space (3 messages, latest: Aug 01 2019 at 11:24)
- Is this a bug? (11 messages, latest: Aug 01 2019 at 06:50)
- Getting unification info from lean (6 messages, latest: Aug 01 2019 at 00:38)
- finishing from false (16 messages, latest: Jul 31 2019 at 23:23)
- Coercion from a submodule to its underlying set (2 messages, latest: Jul 30 2019 at 23:08)
- ring tactic works at one place, fails at another (34 messages, latest: Jul 25 2019 at 06:49)
- Having trouble with infi (6 messages, latest: Jul 24 2019 at 07:55)
- weird interaction with namespace, parameter, and tactic (12 messages, latest: Jul 24 2019 at 07:08)
- Help with a weird lambda (25 messages, latest: Jul 22 2019 at 09:14)
- int.succ_ne_self (16 messages, latest: Jul 21 2019 at 23:36)
- Pipe character "|" not working to denote divides (7 messages, latest: Jul 21 2019 at 04:20)
- match statement in decidable instance (7 messages, latest: Jul 19 2019 at 03:02)
- lack of information in
match
(30 messages, latest: Jul 18 2019 at 11:01) - functional analysis (11 messages, latest: Jul 16 2019 at 20:02)
- Misbehavior of the termination checker? (6 messages, latest: Jul 16 2019 at 15:02)
- "Theorem Proving in Lean" Exercise 2.1 (9 messages, latest: Jul 13 2019 at 20:33)
- rewriting only once (4 messages, latest: Jul 13 2019 at 14:03)
- Trouble with
(eq.rec_on (eq.refl α) a : α) = a'
(11 messages, latest: Jul 10 2019 at 07:05) - Trouble with instance resolution (32 messages, latest: Jul 08 2019 at 21:01)
- About my theorem (6 messages, latest: Jun 29 2019 at 18:50)
- Proof of function containing match statement (9 messages, latest: Jun 27 2019 at 23:46)
- lexicographic ordering on pi types (28 messages, latest: Jun 27 2019 at 11:25)
- INduction_ (26 messages, latest: Jun 26 2019 at 21:25)
- help with measurability proof (1 message, latest: Jun 26 2019 at 19:20)
- leanpkg args (5 messages, latest: Jun 26 2019 at 18:51)
- Samuel Lelièvre (1 message, latest: Jun 26 2019 at 16:30)
- tactic failed, result contains meta-variables (3 messages, latest: Jun 25 2019 at 08:15)
- Induction (231 messages, latest: Jun 25 2019 at 06:25)
- SIGABRT while building Lean (40 messages, latest: Jun 24 2019 at 12:08)
- namespace inside section (4 messages, latest: Jun 23 2019 at 18:17)
- Map from intersection (3 messages, latest: Jun 22 2019 at 12:40)
- kif (6 messages, latest: Jun 22 2019 at 03:10)
- Debug "mutually inductive types compiled to invalid …" (50 messages, latest: Jun 20 2019 at 16:55)
- Directed/filtered categories (26 messages, latest: Jun 18 2019 at 21:58)
- Docstring on constructor (7 messages, latest: Jun 18 2019 at 17:20)
- pattern matching exists in tactic mode (3 messages, latest: Jun 16 2019 at 16:50)
- Lean infering wrong induction hypothesis (23 messages, latest: Jun 16 2019 at 14:42)
- products of sets (42 messages, latest: Jun 15 2019 at 14:14)
- Sequent calculus (2 messages, latest: Jun 13 2019 at 19:41)
- What is a motive? (32 messages, latest: Jun 13 2019 at 17:32)
- Category of Topological Spaces (4 messages, latest: Jun 13 2019 at 17:30)
- inductives (19 messages, latest: Jun 12 2019 at 12:56)
- exercise 2 on ch3 (36 messages, latest: Jun 11 2019 at 18:34)
- subtype coercion to supertype (9 messages, latest: Jun 11 2019 at 13:32)
- fin n to list (2 messages, latest: Jun 10 2019 at 09:25)
where
clause in Lean? (11 messages, latest: Jun 10 2019 at 01:34)- dne in book (27 messages, latest: Jun 09 2019 at 22:02)
- set_option pp.proofs true (1 message, latest: Jun 07 2019 at 09:09)
- noncomputable def vs lemma (2 messages, latest: Jun 07 2019 at 08:33)
- Eliminate classical.some (25 messages, latest: Jun 07 2019 at 08:14)
- quotient of product (7 messages, latest: Jun 07 2019 at 07:37)
- subtypes with equivalent properties (13 messages, latest: Jun 07 2019 at 06:27)
- proving em from dne (15 messages, latest: Jun 06 2019 at 21:00)
- gluing functions (54 messages, latest: Jun 05 2019 at 22:48)
- working with sets of vectors (50 messages, latest: Jun 05 2019 at 18:53)
- string equality (3 messages, latest: Jun 05 2019 at 03:55)
- Direct Sums (10 messages, latest: Jun 01 2019 at 13:30)
- subtype question (25 messages, latest: May 31 2019 at 19:16)
- Inductive decls (38 messages, latest: May 31 2019 at 19:10)
- reduction in the error message (11 messages, latest: May 30 2019 at 17:56)
- Max element of a set (9 messages, latest: May 28 2019 at 22:06)
- expr: fields and @ (116 messages, latest: May 28 2019 at 11:48)
- pre-compiling mathlib (18 messages, latest: May 28 2019 at 06:56)
- Math physics in Lean (46 messages, latest: May 25 2019 at 01:38)
- Rewrite in lambda expr (3 messages, latest: May 22 2019 at 12:11)
- Tutorial Exercise (60 messages, latest: May 21 2019 at 21:10)
- syntax error when creating a variant of apply_rules (3 messages, latest: May 20 2019 at 11:48)
- the projective space (171 messages, latest: May 19 2019 at 17:39)
- smul_mem_span (3 messages, latest: May 17 2019 at 14:46)
- ⟨x.fst, x.snd⟩ (11 messages, latest: May 15 2019 at 16:31)
- int div nat eq floor rat (6 messages, latest: May 14 2019 at 12:15)
- Guarantee a set to be a finset (87 messages, latest: May 14 2019 at 09:36)
- Definition of simple functions and its integral (33 messages, latest: May 13 2019 at 18:39)
- nat lemmas (14 messages, latest: May 13 2019 at 00:26)
- Kind of a vague question (15 messages, latest: May 10 2019 at 02:48)
- VS Code: copy from Lean messages (7 messages, latest: May 08 2019 at 19:14)
- inverse of injective functions (5 messages, latest: May 08 2019 at 10:31)
- rewrite tactic failed, lemma is not an equality nor a iff (18 messages, latest: May 06 2019 at 12:55)
- How to prove subtype instances? (30 messages, latest: May 03 2019 at 22:51)
- using exists (7 messages, latest: May 03 2019 at 15:39)
- How to define angle? Is function arccos available ? (11 messages, latest: May 03 2019 at 15:30)
- Jose Balado (94 messages, latest: May 01 2019 at 10:15)
- Weird error message (73 messages, latest: May 01 2019 at 06:58)
- Proving Cayley's Theorem (80 messages, latest: Apr 26 2019 at 22:29)
- arithmetic proof with big constants (36 messages, latest: Apr 25 2019 at 07:41)
- "Roast" me (59 messages, latest: Apr 24 2019 at 05:33)
- Revert (10 messages, latest: Apr 19 2019 at 14:22)
- import foo-bar (3 messages, latest: Apr 18 2019 at 12:40)
- Documentation: citations/bibliography (47 messages, latest: Apr 16 2019 at 19:54)
- cubic equation (16 messages, latest: Apr 16 2019 at 04:31)
- prove that option coercion of value equals (some value) (13 messages, latest: Apr 15 2019 at 14:48)
- simpler proof 0<2? (19 messages, latest: Apr 13 2019 at 02:29)
- Help with explicit sets (7 messages, latest: Apr 08 2019 at 16:55)
- transcendental number (11 messages, latest: Apr 05 2019 at 16:13)
- fundamental theorem of algebra (6 messages, latest: Apr 05 2019 at 11:06)
- {a} a (12 messages, latest: Apr 05 2019 at 05:23)
- Zmod37 tutorial (6 messages, latest: Apr 04 2019 at 19:01)
- closing a case (6 messages, latest: Apr 03 2019 at 14:27)
- locally disabling instances (7 messages, latest: Apr 02 2019 at 22:06)
- getting the defining equation of a recursor (16 messages, latest: Apr 02 2019 at 18:40)
- "Fix an arbitrary x." (7 messages, latest: Mar 31 2019 at 09:17)
- Notation dependent pair (5 messages, latest: Mar 31 2019 at 00:03)
- [IM=M for R-modules](topic/IM.3DM.20for.20R-modules.html) (90 messages, latest: Mar 30 2019 at 23:35)
- nats >= 0 (4 messages, latest: Mar 29 2019 at 01:34)
- writing and applying axioms (3 messages, latest: Mar 26 2019 at 23:00)
- simp and nats (15 messages, latest: Mar 23 2019 at 09:21)
- dual spaces (6 messages, latest: Mar 23 2019 at 00:26)
- Borsuk Ulam theorem (71 messages, latest: Mar 22 2019 at 20:46)
- How to install Lean (68 messages, latest: Mar 21 2019 at 16:32)
- Getting started ? (6 messages, latest: Mar 20 2019 at 20:05)
- Declare column vector in Lean (11 messages, latest: Mar 19 2019 at 08:25)
- proof of P → Q → P (22 messages, latest: Mar 16 2019 at 23:47)
- coe additive monoid hom (14 messages, latest: Mar 16 2019 at 12:26)
- rw failure (64 messages, latest: Mar 16 2019 at 10:03)
- wrote a definition for free objects, requesting feedback (5 messages, latest: Mar 16 2019 at 02:32)
- Playing with GL(V) (36 messages, latest: Mar 15 2019 at 12:29)
- multiset question (9 messages, latest: Mar 15 2019 at 09:20)
- not(p<->not p) (34 messages, latest: Mar 14 2019 at 09:09)
- 'repeat' tactic vs 'apply' x n (19 messages, latest: Mar 13 2019 at 22:30)
- dependent function types (19 messages, latest: Mar 13 2019 at 06:27)
- the prime factorization of
n
(4 messages, latest: Mar 12 2019 at 04:20) - Using functions as proofs (10 messages, latest: Mar 11 2019 at 23:04)
- Easy way to lift the entire structure? (2 messages, latest: Mar 11 2019 at 20:25)
- Draft book using Lean for CS Discrete Math (28 messages, latest: Mar 11 2019 at 05:17)
- Declaring canonical instance of typeclass? (17 messages, latest: Mar 09 2019 at 21:52)
- '⟨' and '⟩' in binder of lambda abstraction (5 messages, latest: Mar 08 2019 at 18:07)
- Prove types unequal (6 messages, latest: Mar 07 2019 at 15:16)
- uncurry (4 messages, latest: Mar 07 2019 at 05:05)
- tactic style proofs to term style proofs (31 messages, latest: Mar 06 2019 at 06:53)
- test if the first character of a string is an underscore? (21 messages, latest: Mar 05 2019 at 23:34)
- Simplifying pattern matches (38 messages, latest: Mar 05 2019 at 19:41)
- rw div insufficient for defining equation (22 messages, latest: Mar 04 2019 at 23:35)
- Why sometime no no_confusion? (6 messages, latest: Mar 04 2019 at 20:14)
- lexicographic ordering on tuples (33 messages, latest: Mar 03 2019 at 21:09)
- seeking lemma about an archimedean thing (6 messages, latest: Mar 03 2019 at 14:43)
- PIL state monad (29 messages, latest: Mar 01 2019 at 16:08)
- learning path (50 messages, latest: Feb 28 2019 at 06:30)
- not allowed to know the names of any theorems (36 messages, latest: Feb 27 2019 at 21:28)
- proving pi >= 0 (13 messages, latest: Feb 27 2019 at 14:12)
- modeq (2 messages, latest: Feb 27 2019 at 02:46)
- Newbie (9 messages, latest: Feb 27 2019 at 01:50)
- Unexpected type error in equality proposition (9 messages, latest: Feb 26 2019 at 18:19)
- Proving r^2 >= 0 (6 messages, latest: Feb 26 2019 at 04:58)
- subtract equation lemma (15 messages, latest: Feb 25 2019 at 21:13)
- coercion (8 messages, latest: Feb 25 2019 at 19:40)
- rewriting at specific part (6 messages, latest: Feb 25 2019 at 11:34)
- reversing
\neq
(3 messages, latest: Feb 24 2019 at 08:03) - Tools for beta reduction (13 messages, latest: Feb 23 2019 at 15:11)
- "factoring" functions (45 messages, latest: Feb 23 2019 at 06:11)
- le and ge not equivalent? (8 messages, latest: Feb 22 2019 at 22:17)
- Splitting "and" inside a function. (61 messages, latest: Feb 22 2019 at 16:21)
- le_sub_iff_add_le error (14 messages, latest: Feb 22 2019 at 11:18)
- Cryptic errors (23 messages, latest: Feb 13 2019 at 01:08)
- Variable locality (5 messages, latest: Feb 11 2019 at 19:10)
- universal properties for topology (19 messages, latest: Feb 11 2019 at 00:53)
- typing up solutions in Lean (13 messages, latest: Feb 10 2019 at 21:44)
- Trouble with simple goal/has_sizeof (37 messages, latest: Feb 09 2019 at 23:35)
- type class inference sadness (36 messages, latest: Feb 08 2019 at 23:30)
- Raymond (25 messages, latest: Feb 08 2019 at 20:26)
- Coinduction (18 messages, latest: Feb 08 2019 at 13:09)
- elaborator bug (11 messages, latest: Feb 08 2019 at 04:13)
- hiding from prelude (6 messages, latest: Feb 07 2019 at 04:22)
- Mathlib and LEAN_PATH (76 messages, latest: Feb 04 2019 at 19:28)
- reduce sin (11 messages, latest: Jan 30 2019 at 18:57)
- GCD for ideals, fractional field (8 messages, latest: Jan 29 2019 at 09:50)
- definition for GCD for ideals, fractional field (3 messages, latest: Jan 29 2019 at 08:15)
- BNF for lean? (4 messages, latest: Jan 27 2019 at 13:16)
- thanks (1 message, latest: Jan 25 2019 at 11:16)
- proving trivial facts about types (14 messages, latest: Jan 24 2019 at 15:21)
- rfl vs dec_trivial for inequality example (3 messages, latest: Jan 24 2019 at 12:02)
- VS Code terminal popping up (13 messages, latest: Jan 23 2019 at 22:03)
- contrapos_final without tactics? (7 messages, latest: Jan 23 2019 at 17:13)
- lagrange theorem (4 messages, latest: Jan 22 2019 at 08:08)
- assumptions (11 messages, latest: Jan 21 2019 at 22:01)
- Problem 2.10 "Theorem Proving in Lean" (2 messages, latest: Jan 19 2019 at 01:40)
- Proving something is a subfield (49 messages, latest: Jan 16 2019 at 20:33)
- Coercing to option (25 messages, latest: Jan 15 2019 at 21:36)
- Installation questions (74 messages, latest: Jan 14 2019 at 23:33)
- Style Guide (4 messages, latest: Jan 14 2019 at 13:57)
- Proving termination w/ (n' < n \/ (n' = n /\ m' < m)) (6 messages, latest: Jan 13 2019 at 20:24)
- Why is is_subfield not a Prop? (6 messages, latest: Jan 12 2019 at 16:41)
- Fail to generate equation lemmas? (1 message, latest: Jan 12 2019 at 00:23)
- filtering tactic state (3 messages, latest: Jan 12 2019 at 00:11)
- proving a + a = 2* a (11 messages, latest: Jan 11 2019 at 18:40)
- spot the difference (6 messages, latest: Jan 11 2019 at 15:20)
- Additive group homeomorphisms on fields (16 messages, latest: Jan 11 2019 at 10:35)
- to_Prop_inj (2 messages, latest: Jan 11 2019 at 10:31)
- lean unresponsive (14 messages, latest: Jan 08 2019 at 09:20)
- Uranus Testing (15 messages, latest: Jan 06 2019 at 14:31)
- Commutativity of multiplication in inductive type (4 messages, latest: Jan 06 2019 at 10:23)
- unsafe casts in meta land? (5 messages, latest: Jan 04 2019 at 05:22)
- induction: "argument 2 not a variable" (10 messages, latest: Jan 04 2019 at 03:42)
- Instance affects other sections (21 messages, latest: Jan 01 2019 at 18:22)
- Difference between constant and axioms (95 messages, latest: Jan 01 2019 at 15:29)
- RFC: operator norm (4 messages, latest: Dec 29 2018 at 10:02)
- nat subtraction (61 messages, latest: Dec 23 2018 at 00:33)
- cases alternative (5 messages, latest: Dec 18 2018 at 23:05)
- Importing analysis.normed_spaced makes things noncomputable (2 messages, latest: Dec 18 2018 at 06:26)
- discrete_field vs field (8 messages, latest: Dec 17 2018 at 12:52)
- Coq's Program tactic (14 messages, latest: Dec 16 2018 at 21:21)
- let with proposition in tactic mode (6 messages, latest: Dec 13 2018 at 16:08)
- Simple question about simp (7 messages, latest: Dec 12 2018 at 08:57)
- updating vectors (24 messages, latest: Dec 11 2018 at 14:44)
- orders on products (10 messages, latest: Dec 08 2018 at 20:55)
- symmetry of congruence mod 37 (11 messages, latest: Dec 06 2018 at 23:50)
- Can conv be used to use nested hypotheses? (18 messages, latest: Dec 05 2018 at 13:28)
- Exercises chapter 4 - α → (( ∀ x: α, r ) ↔ r) (16 messages, latest: Dec 04 2018 at 13:26)
- Contraposition Proof (5 messages, latest: Dec 04 2018 at 01:40)
- reasoning about empty set in lean (13 messages, latest: Dec 02 2018 at 17:17)
- [term has type p y but is expected to have type p ?m_1[]](topic/term.20has.20type.20p.20y.20but.20is.20expected.20to.20have.20type.20p.20.3Fm_1.5B.5D.html) (28 messages, latest: Dec 02 2018 at 17:06)
- pairs equal iff projections are? (12 messages, latest: Dec 02 2018 at 13:04)
- Accesibility of lexical order of lists (42 messages, latest: Nov 29 2018 at 12:10)
- Pattern Matching or Induction on Lattice? (12 messages, latest: Nov 29 2018 at 08:36)
- Use "if" condition within "then" output (3 messages, latest: Nov 28 2018 at 22:45)
- theorem Area_of_Circle (18 messages, latest: Nov 28 2018 at 16:38)
- defining a predicate (18 messages, latest: Nov 28 2018 at 05:48)
- dump expr to context (7 messages, latest: Nov 26 2018 at 10:41)
- Getting stuff out of a definition using dite (3 messages, latest: Nov 26 2018 at 08:24)
- Coe back (20 messages, latest: Nov 26 2018 at 07:43)
- help me find lemmas (67 messages, latest: Nov 26 2018 at 02:28)
- n = m, n in set s implies m in set s (5 messages, latest: Nov 25 2018 at 19:06)
- Is there a way to complicate things with simp? (4 messages, latest: Nov 25 2018 at 13:12)
- tactic.cases_core (3 messages, latest: Nov 24 2018 at 18:36)
- erase_duplicates (12 messages, latest: Nov 24 2018 at 09:58)
- inequality golf request (74 messages, latest: Nov 24 2018 at 09:46)
- def syntax (23 messages, latest: Nov 22 2018 at 15:41)
some
thing is weird (13 messages, latest: Nov 21 2018 at 20:40)- Classical logic (17 messages, latest: Nov 21 2018 at 18:37)
- Fixed point (13 messages, latest: Nov 21 2018 at 17:54)
- Multiple uses of existsi (7 messages, latest: Nov 21 2018 at 00:21)
- finset semilattice_sup_bot (3 messages, latest: Nov 20 2018 at 17:40)
- Strong induction in lean (5 messages, latest: Nov 19 2018 at 18:45)
- Rewriting on objects that haven't been introduced (13 messages, latest: Nov 19 2018 at 18:41)
- subsets with induced structure (4 messages, latest: Nov 19 2018 at 17:47)
- meta tactic with unfold (2 messages, latest: Nov 19 2018 at 13:05)
- noob question (143 messages, latest: Nov 18 2018 at 22:51)
- Leading Term of Multivariate Polynomial (6 messages, latest: Nov 18 2018 at 07:49)
- Lean version update (4 messages, latest: Nov 18 2018 at 01:57)
- Is there a variant of
simp
that handles reverse simps? (5 messages, latest: Nov 18 2018 at 01:20) - Trouble using compiling a lean package (17 messages, latest: Nov 17 2018 at 17:50)
- h : 5 = 4 (4 messages, latest: Nov 17 2018 at 16:34)
- Exact same proof works in term mode but not tactic (12 messages, latest: Nov 16 2018 at 19:35)
- mutual inductive definition (21 messages, latest: Nov 16 2018 at 15:05)
- def k : set ℕ × ℕ := { (1, 2) } (4 messages, latest: Nov 16 2018 at 02:15)
- Binary integers in lean (6 messages, latest: Nov 15 2018 at 22:56)
- lean-mode company (5 messages, latest: Nov 15 2018 at 12:48)
- cannot reduce application in pattern match (4 messages, latest: Nov 14 2018 at 12:20)
- Proving from optional parameter (4 messages, latest: Nov 13 2018 at 17:33)
- identity type and refl (16 messages, latest: Nov 13 2018 at 16:01)
- induction over constrained structure (4 messages, latest: Nov 13 2018 at 13:10)
- decidability (3 messages, latest: Nov 12 2018 at 12:04)
- extracting tactics and proof terms (4 messages, latest: Nov 12 2018 at 11:29)
- Type equality (13 messages, latest: Nov 12 2018 at 08:55)
- overriding coersions (5 messages, latest: Nov 12 2018 at 08:14)
- How do I increase the memory consumption limit? (12 messages, latest: Nov 11 2018 at 15:03)
- Naturals plus infinity (3 messages, latest: Nov 11 2018 at 09:04)
- list.map with pi (9 messages, latest: Nov 10 2018 at 15:10)
- Does Lean contain numerical bases? (11 messages, latest: Nov 10 2018 at 12:48)
- Equation for match-case (15 messages, latest: Nov 09 2018 at 06:18)
- Variable with braces, parentheses and square brackets (43 messages, latest: Nov 08 2018 at 12:55)
- Installation and usage instructions (25 messages, latest: Nov 07 2018 at 20:33)
- double negation implies excluded middle?? (7 messages, latest: Nov 07 2018 at 09:55)
- proving simple inductive types are decidably equal (12 messages, latest: Nov 06 2018 at 21:55)
- Magic dot in place of proof? (11 messages, latest: Nov 05 2018 at 23:40)
- type class inference for has_scalar (3 messages, latest: Nov 05 2018 at 15:10)
- sigma/psigma (53 messages, latest: Nov 05 2018 at 13:49)
- Time out with the mathematical brackets (11 messages, latest: Nov 04 2018 at 06:59)
- Recursively prove (9 messages, latest: Nov 04 2018 at 03:59)
- Using if-then-else definitions (9 messages, latest: Nov 03 2018 at 21:03)
- Usage of simplifier (4 messages, latest: Nov 02 2018 at 08:31)
- Unable to unfold (11 messages, latest: Nov 02 2018 at 05:25)
- Logic in LEAN (12 messages, latest: Nov 01 2018 at 23:53)
- remember (10 messages, latest: Nov 01 2018 at 15:21)
- Lean unable to coerce from set to type (or something) (5 messages, latest: Nov 01 2018 at 12:39)
- int.mod (101 messages, latest: Nov 01 2018 at 09:03)
- dec_trivial fails (40 messages, latest: Oct 30 2018 at 23:56)
- Noob: 50 = 40 -> false (19 messages, latest: Oct 30 2018 at 20:28)
- Lean to Z3 (4 messages, latest: Oct 30 2018 at 01:17)
- Why doesn't dec_trivial solve
prime 3
? (65 messages, latest: Oct 28 2018 at 21:16) - clone formalization (27 messages, latest: Oct 24 2018 at 09:14)
- Fresh variables causing trouble (3 messages, latest: Oct 24 2018 at 08:24)
- rationals (2 messages, latest: Oct 21 2018 at 20:39)
- uniformity (4 messages, latest: Oct 21 2018 at 19:01)
- overlapping cases and well-foundedness (4 messages, latest: Oct 21 2018 at 17:12)
- making an inverse to a bijection (12 messages, latest: Oct 21 2018 at 13:52)
- How to insert definition of a function in a proof (79 messages, latest: Oct 20 2018 at 03:50)
- Why doesn't exists.intro give err for witness of wrong type (11 messages, latest: Oct 19 2018 at 15:58)
- attribute [intro] (1 message, latest: Oct 19 2018 at 00:01)
- ordered pairs (75 messages, latest: Oct 18 2018 at 23:49)
- projective plane (3 messages, latest: Oct 18 2018 at 15:06)
- Accessing constructor type in tactic definition (13 messages, latest: Oct 18 2018 at 05:47)
- spacemacs layer (5 messages, latest: Oct 18 2018 at 00:01)
- newbie: proof from assumption of inductively defined prop (2 messages, latest: Oct 17 2018 at 18:35)
- Writing rationals (9 messages, latest: Oct 17 2018 at 17:03)
- Define a finite set (168 messages, latest: Oct 16 2018 at 22:12)
- Lean doesn't find instance of something that's right there (11 messages, latest: Oct 15 2018 at 23:02)
- tactics inside definitions (4 messages, latest: Oct 14 2018 at 23:10)
- How exactly do I do self-referential definitions? (32 messages, latest: Oct 14 2018 at 20:47)
- What is
some
? (17 messages, latest: Oct 14 2018 at 20:12) - How to "unpack" notation? (21 messages, latest: Oct 14 2018 at 20:08)
- subtype vs psigma (4 messages, latest: Oct 14 2018 at 18:10)
- ETCS (100 messages, latest: Oct 14 2018 at 17:55)
- Creating definitions in Lean (9 messages, latest: Oct 14 2018 at 13:25)
- Using @add_right_inj (37 messages, latest: Oct 13 2018 at 21:12)
- Proving basic inequalities of natural numbers (5 messages, latest: Oct 13 2018 at 16:25)
- refer to R to prove things in N? (104 messages, latest: Oct 12 2018 at 21:58)
- Which rule to use for arithmetic calculations in calc mode? (89 messages, latest: Oct 12 2018 at 00:32)
- exists.elim in tactic mode? (13 messages, latest: Oct 11 2018 at 15:27)
- Leave term mode/calc once you enter it? (9 messages, latest: Oct 11 2018 at 13:25)
- order_iso woes (25 messages, latest: Oct 10 2018 at 13:40)
- categories (28 messages, latest: Oct 10 2018 at 09:27)
- Mac installation (57 messages, latest: Oct 10 2018 at 06:28)
- Basic logic in Lean. (28 messages, latest: Oct 09 2018 at 16:22)
- type of
not
(3 messages, latest: Oct 08 2018 at 23:30) - same old typeclass issue I always have (12 messages, latest: Oct 08 2018 at 13:23)
- Use "have" on "or" hypothesis (74 messages, latest: Oct 07 2018 at 09:55)
- Isomorphic groups (2 messages, latest: Oct 06 2018 at 16:32)
- Prove false from not true? (17 messages, latest: Oct 06 2018 at 00:33)
- computing submatrix for ring_theory.matrix (129 messages, latest: Oct 05 2018 at 08:54)
- have vs assume (4 messages, latest: Oct 04 2018 at 04:01)
- Deriving hypothesis from if statements (72 messages, latest: Oct 03 2018 at 08:59)
- rcases with false (7 messages, latest: Oct 02 2018 at 23:57)
- Partial functions (31 messages, latest: Oct 02 2018 at 07:17)
- startup speed (40 messages, latest: Sep 29 2018 at 21:55)
- "class-instance res. depth reached" fintype + classical.some (59 messages, latest: Sep 29 2018 at 21:31)
- Weird behavior of rw? (13 messages, latest: Sep 29 2018 at 19:55)
- slow reduction (12 messages, latest: Sep 28 2018 at 01:07)
- finset of subtype from filter (35 messages, latest: Sep 27 2018 at 21:35)
- concise inequality proofs (5 messages, latest: Sep 27 2018 at 09:29)
- indirect recursion check (19 messages, latest: Sep 27 2018 at 04:05)
- mathlib & constructivity (203 messages, latest: Sep 26 2018 at 07:44)
- mathlib/lean version (3 messages, latest: Sep 25 2018 at 21:38)
- nat inequalities (30 messages, latest: Sep 25 2018 at 18:52)
- getting a nicer induction hypothesis from finset.induction (6 messages, latest: Sep 25 2018 at 00:44)
- simp, equality, and instances (9 messages, latest: Sep 24 2018 at 22:51)
- Windows installation (5 messages, latest: Sep 24 2018 at 08:33)
- lean path (9 messages, latest: Sep 23 2018 at 18:36)
- ∃ x ∈ X, P x vs. ∃ x, x ∈ X ∧ P x (6 messages, latest: Sep 22 2018 at 15:59)
- unfolding repeating Pi (4 messages, latest: Sep 21 2018 at 20:37)
- proof of something that #eval / #reduce computes (15 messages, latest: Sep 21 2018 at 16:37)
- n-sets (15 messages, latest: Sep 21 2018 at 15:36)
- partial order for matrix (269 messages, latest: Sep 19 2018 at 08:26)
- d to (1 message, latest: Sep 19 2018 at 08:08)
- caching proofs (18 messages, latest: Sep 18 2018 at 07:51)
- Feedback (Heine Borel in progress) (34 messages, latest: Sep 17 2018 at 15:03)
- Function composition (3 messages, latest: Sep 17 2018 at 14:18)
- [finset.subset_union_](topic/finset.2Esubset_union_.html) (4 messages, latest: Sep 16 2018 at 13:12)
- builtin tactics (12 messages, latest: Sep 15 2018 at 20:48)
- Replacing rw with terms (7 messages, latest: Sep 15 2018 at 16:55)
- parallel combinator (7 messages, latest: Sep 13 2018 at 20:55)
- is "subtype" injective? (22 messages, latest: Sep 13 2018 at 20:05)
- maximal finset in finset of finsets (46 messages, latest: Sep 13 2018 at 19:56)
- noob question about cardinal (4 messages, latest: Sep 13 2018 at 09:44)
- unknown identifiers (3 messages, latest: Sep 12 2018 at 21:48)
- Prop to bool (13 messages, latest: Sep 11 2018 at 14:09)
- rw only simplifies if piped through my own function (66 messages, latest: Sep 11 2018 at 07:27)
- finsets, decidable_mem, and filter (6 messages, latest: Sep 11 2018 at 04:38)
- choosing from difference of finsets (34 messages, latest: Sep 09 2018 at 21:04)
- boolean reflection in lean (2 messages, latest: Sep 07 2018 at 06:28)
- desugaring have (13 messages, latest: Sep 05 2018 at 09:54)
- beginner proof by induction question (32 messages, latest: Sep 04 2018 at 20:27)
- Proving n^2 not equal 2 (49 messages, latest: Sep 04 2018 at 06:50)
- Learning algebraic geometry; how can I contribute? (31 messages, latest: Sep 03 2018 at 03:52)
- None theorem (8 messages, latest: Sep 01 2018 at 20:10)
- induction missing constraint (13 messages, latest: Sep 01 2018 at 15:34)
- prove ¬(p ↔ ¬p) without classical (24 messages, latest: Aug 31 2018 at 13:53)
- what does . mean here? (12 messages, latest: Aug 30 2018 at 14:49)
- Inductive prop syntax (3 messages, latest: Aug 30 2018 at 14:08)
- Inductive definitions (3 messages, latest: Aug 28 2018 at 16:20)
- structure pattern matching (9 messages, latest: Aug 27 2018 at 17:36)
- convincing lean something is ok (7 messages, latest: Aug 21 2018 at 13:31)
- [rw at ](topic/rw.20at.20.html) (38 messages, latest: Aug 19 2018 at 15:56)
- Backtick anguish (9 messages, latest: Aug 16 2018 at 22:47)
- VS code unicode autocompletion without adding space (28 messages, latest: Aug 15 2018 at 17:12)
- WLOG (19 messages, latest: Aug 14 2018 at 13:02)
- default / inhabited for ℚ, ℝ, ℂ (23 messages, latest: Aug 13 2018 at 22:15)
- trouble running lean on mac (15 messages, latest: Aug 13 2018 at 11:43)
- simplification of ite (11 messages, latest: Aug 11 2018 at 20:23)
- referencing inhabited instances (2 messages, latest: Aug 11 2018 at 18:17)
- two functions with the same name (7 messages, latest: Aug 10 2018 at 12:22)
- 23trees (70 messages, latest: Aug 10 2018 at 07:11)
- mathlib integer docs gcd example (7 messages, latest: Aug 09 2018 at 16:08)
- don't know how to (51 messages, latest: Aug 08 2018 at 22:46)
- function extensionality and transports (3 messages, latest: Aug 08 2018 at 18:48)
- simple structural equality (19 messages, latest: Aug 08 2018 at 17:45)
- Parser (19 messages, latest: Aug 08 2018 at 12:05)
- completions (6 messages, latest: Aug 08 2018 at 04:48)
- emacs tip: filladapt (6 messages, latest: Aug 07 2018 at 19:09)
- Axioms and rules for Lean prover (1 message, latest: Aug 07 2018 at 16:55)
- simp display mode (11 messages, latest: Aug 06 2018 at 10:49)
- Product meta program (16 messages, latest: Aug 06 2018 at 03:52)
- Using rewrite to simplify a bound variable expression (14 messages, latest: Aug 06 2018 at 01:18)
- making a well-defined definition (11 messages, latest: Aug 05 2018 at 10:20)
- Why does my goal change? (4 messages, latest: Aug 04 2018 at 11:35)
- monotonicity again (11 messages, latest: Aug 04 2018 at 11:30)
- Error message in VS Code (2 messages, latest: Aug 02 2018 at 11:40)
- defining a hilbert space (88 messages, latest: Aug 02 2018 at 11:34)
- Mutual recursioon madness (8 messages, latest: Jul 29 2018 at 10:52)
- Using suffices in tactic (5 messages, latest: Jul 29 2018 at 07:54)
- Meta functions with higher order variables (2 messages, latest: Jul 29 2018 at 02:21)
- Uniting Definitions (51 messages, latest: Jul 28 2018 at 22:53)
- Simplifying out logical junk (2 messages, latest: Jul 28 2018 at 01:29)
- How to get a quick overview of what's proved? (21 messages, latest: Jul 26 2018 at 07:50)
- Decomposing hypotheses (19 messages, latest: Jul 26 2018 at 01:19)
- Trace of "simp" steps (5 messages, latest: Jul 25 2018 at 20:25)
- exists at most one (4 messages, latest: Jul 25 2018 at 13:49)
- Unfolding definitions with match (6 messages, latest: Jul 24 2018 at 23:30)
- Constructing an ite expression without %% (2 messages, latest: Jul 24 2018 at 23:20)
- Functional extensionality (5 messages, latest: Jul 24 2018 at 22:45)
- instantiating meta variales (10 messages, latest: Jul 24 2018 at 19:50)
- Wat is wrong with this definition? (2 messages, latest: Jul 24 2018 at 14:24)
- %% lifting of variables (2 messages, latest: Jul 22 2018 at 14:45)
- Compound statment to admit second goal of have (30 messages, latest: Jul 21 2018 at 21:33)
- introducing variables (18 messages, latest: Jul 21 2018 at 11:28)
- naming equivalence relation (10 messages, latest: Jul 18 2018 at 17:13)
- meta def syntax error (4 messages, latest: Jul 18 2018 at 03:10)
- Higher order chaos (36 messages, latest: Jul 15 2018 at 10:50)
- Type checking a higher order definition (11 messages, latest: Jul 12 2018 at 07:34)
- Well foundedness declarations (4 messages, latest: Jul 11 2018 at 15:52)
- #lean #complex number (16 messages, latest: Jul 11 2018 at 13:25)
- Definition with implicit types (19 messages, latest: Jul 11 2018 at 07:37)
- Help with Lean (19 messages, latest: Jul 10 2018 at 15:16)
- Timeline of lean 4? (55 messages, latest: Jun 28 2018 at 07:52)
- cardinality (1 message, latest: Jun 22 2018 at 07:59)
- Ali (5 messages, latest: May 31 2018 at 18:23)
- Welcome (2 messages, latest: Apr 16 2018 at 20:21)
- euclidean domains (1 message, latest: Mar 10 2018 at 14:40)
- Mitchell (24 messages, latest: Mar 06 2018 at 12:00)
- editing horrible misspellings? (6 messages, latest: Mar 01 2018 at 16:16)
- this is interesting (4 messages, latest: Feb 27 2018 at 00:00)
- Kenny Lau (1 message, latest: Feb 26 2018 at 23:09)
- Andrew Ashworth (15 messages, latest: Feb 26 2018 at 16:21)
Last updated: May 02 2025 at 03:31 UTC