Zulip Chat Archive

Stream: new members

Topics:

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)
factoring (2 messages, latest: Dec 20 2023 at 07:57)
Difference between structural and well-founded recursion (2 messages, latest: Dec 20 2023 at 07:37)
✔ 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)
Finding axioms and theorems in mathlib (5 messages, latest: Dec 20 2023 at 01:01)
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)
livestream advent of code 2023 (6 messages, latest: Dec 19 2023 at 02:34)
✔ 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)
Countable analogue of Finset (9 messages, latest: Dec 18 2023 at 19:27)
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)
Importing local files help (3 messages, latest: Dec 18 2023 at 14:58)
✔ 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)
James Wiles: discord server (2 messages, latest: Dec 17 2023 at 20:14)
Natural Number Game (5 messages, latest: Dec 17 2023 at 13:07)
noob question(s) (6154 messages, latest: Dec 17 2023 at 11:09)
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 from a = -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)
How implicit arguments are inferred (36 messages, latest: Dec 13 2023 at 21:11)
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)
Missing theorems list (17 messages, latest: Dec 11 2023 at 18:15)
✔ 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)
option of lake build: how to hide info (4 messages, latest: Dec 10 2023 at 07:38)
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 in defs (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)
Internal error (4 messages, latest: Dec 01 2023 at 17:06)
✔ 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)
Using lean4export (3 messages, latest: Dec 01 2023 at 03:28)
✔ 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 class C (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 by lake 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)
✔ conv/enter into argument of a function? (17 messages, latest: Nov 22 2023 at 16:25)
✔ 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)
Force explicit brackets in VS Code? (77 messages, latest: Nov 14 2023 at 04:13)
✔ 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)
✔ The mechanics of proof: cancel tactic on a^2 ? (15 messages, latest: Nov 11 2023 at 11:43)
✔ 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)
Applying tactic cases on a non-variable (4 messages, latest: Nov 09 2023 at 09:21)
✔ 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 and simp (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 for y * 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)
Basic set equalities (e.g. (s \ t)ᶜ = sᶜ ∪ t) (15 messages, latest: Nov 03 2023 at 23:31)
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 and cases' 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)
syntax highlight of Lean4 in Zola (13 messages, latest: Oct 30 2023 at 12:35)
Basic logic by splitting truth cases (30 messages, latest: Oct 30 2023 at 11:57)
Mechanics of Proof 2.5 (5 messages, latest: Oct 30 2023 at 09:42)
✔ 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)
Installation troubles (24 messages, latest: Oct 25 2023 at 06:37)
✔ 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 and unwrap (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 in LinearOrder 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)
knot theory (73 messages, latest: Oct 16 2023 at 05:41)
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)
Installing lean 3 issues (34 messages, latest: Oct 09 2023 at 18:11)
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? and refine 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)
✔ A list of frequently used tactics that can be looked up… (8 messages, latest: Sep 23 2023 at 06:01)
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 for SetLike (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 for let recs (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)
Cannot install LEAN4 (12 messages, latest: Sep 02 2023 at 12:55)
hello (189 messages, latest: Sep 02 2023 at 10:54)
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)
permission to push to GitHub (66 messages, latest: Aug 12 2023 at 14:54)
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)
a problem (52 messages, latest: Jul 27 2023 at 05:58)
✔ 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)
Implementing Greedoids (15 messages, latest: Jul 23 2023 at 14:54)
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)
subgroup (12 messages, latest: Jul 18 2023 at 12:34)
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)
Matching wildcards (4 messages, latest: Jun 20 2023 at 00:06)
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)
confusion between equivalence and instance setoid (19 messages, latest: May 24 2023 at 16:38)
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)
Shapley-Folkman lemma (21 messages, latest: May 08 2023 at 07:54)
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)
Unfolding let definition (2 messages, latest: May 04 2023 at 23:29)
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)
Beginner Projects (27 messages, latest: Apr 02 2023 at 12:50)
✔ 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 of else (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 and nat.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 with 2 ≠ 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 or aeval (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)
Code smell? (175 messages, latest: Nov 26 2022 at 03:11)
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 to fin (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 to fin (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)
how to prove this? (97 messages, latest: Oct 25 2022 at 11:13)
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)
ideas to formalize non-standard analysis (29 messages, latest: Oct 24 2022 at 00:05)
✔ 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)
Installation on windows (6 messages, latest: Sep 26 2022 at 02:55)
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)
Flipping an equality (3 messages, latest: Sep 24 2022 at 22:10)
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 to hyp (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)
Write access (2 messages, latest: Aug 19 2022 at 08:35)
✔ 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 (3 messages, latest: Jul 25 2022 at 12:59)
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)
Explaining noncomputable (25 messages, latest: Jul 12 2022 at 16:55)
Modular arithmetic (28 messages, latest: Jul 12 2022 at 15:00)
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)
✔ showing parentheses (1 message, latest: Jul 02 2022 at 23:31)
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 vs set.insert_nonempty (1 message, latest: Jun 22 2022 at 15:02)
set.nonempty_insert vs set.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)
Maximal submodule (8 messages, latest: Jun 01 2022 at 07:32)
✔ 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)
Adding DFA regular expression equivalence to mathlib (9 messages, latest: May 05 2022 at 02:18)
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 and suggest (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)
Lean setup (4 messages, latest: Mar 29 2022 at 23:25)
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)
Hello (188 messages, latest: Mar 22 2022 at 00:20)
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)
Area of solution set (5 messages, latest: Mar 06 2022 at 17:58)
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)
help (68 messages, latest: Mar 05 2022 at 07:48)
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)
✔ well-foundedness of my own inductive? (8 messages, latest: Mar 01 2022 at 22:54)
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)
installation on Fedora (15 messages, latest: Feb 11 2022 at 21:37)
✔ 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)
suggested tasks for newcomers (38 messages, latest: Jan 11 2022 at 13:19)
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 of fin 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)
Shorter proof? (11 messages, latest: Jan 05 2022 at 20:41)
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} imples b = 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 from fin (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)
getting started questions (68 messages, latest: Dec 13 2021 at 20:41)
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, replace b with b.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)
Daniel Busch (58 messages, latest: Nov 15 2021 at 18:52)
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)
Introduction (18 messages, latest: Oct 27 2021 at 00:33)
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)
Sum of prime reciprocals diverges (21 messages, latest: Sep 28 2021 at 13:51)
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)
linarith failed to find a contradiction (21 messages, latest: Sep 14 2021 at 20:03)
✔ 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 or ring 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)
type mismatch (87 messages, latest: Aug 05 2021 at 20:45)
✔ 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)
Cauchy-Schwarz inequality (16 messages, latest: Jul 09 2021 at 00:29)
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 vs pos for proofs involving nat (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)
Hypotheses on a group (45 messages, latest: Jul 01 2021 at 18:28)
Creating Lean project (36 messages, latest: Jul 01 2021 at 16:33)
Structure fields (2 messages, latest: Jul 01 2021 at 11:49)
API for Getting Proof State Information from the Compiler (15 messages, latest: Jul 01 2021 at 03:18)
Natural number game question - mul_left_cancel (25 messages, latest: Jun 30 2021 at 22:19)
matrices (24 messages, latest: Jun 30 2021 at 13:21)
install elan in external hard drive (11 messages, latest: Jun 30 2021 at 08:31)
Theorem Formalization (129 messages, latest: Jun 30 2021 at 06:37)
#eval (3 messages, latest: Jun 30 2021 at 05:35)
Typeclasses for pmf (17 messages, latest: Jun 29 2021 at 19:42)
coe and lift (11 messages, latest: Jun 29 2021 at 11:51)
power world level 8 in 19 rewrites (4 messages, latest: Jun 29 2021 at 00:26)
Nicolas (3 messages, latest: Jun 28 2021 at 19:33)
Playing with polynomials (116 messages, latest: Jun 28 2021 at 19:17)
an example (41 messages, latest: Jun 28 2021 at 18:47)
Natural numbers game (35 messages, latest: Jun 28 2021 at 15:46)
fold as opposite to unfold (9 messages, latest: Jun 28 2021 at 15:28)
hide implicit arguments from matching (16 messages, latest: Jun 28 2021 at 15:25)
Proof review: Infinity Hotel (1 message, latest: Jun 28 2021 at 13:12)
mathlib study guide (2 messages, latest: Jun 28 2021 at 11:37)
search (2 messages, latest: Jun 28 2021 at 09:47)
to_additive (18 messages, latest: Jun 28 2021 at 08:58)
oh noes i don't know how to manipulate the arrows (13 messages, latest: Jun 28 2021 at 08:31)
mod (27 messages, latest: Jun 28 2021 at 08:20)
symbol pushing (5 messages, latest: Jun 28 2021 at 03:34)
Introducing myself: Deniz Aydin (1 message, latest: Jun 27 2021 at 16:48)
Nondependent sigma to pair (3 messages, latest: Jun 27 2021 at 12:36)
a trivial question (13 messages, latest: Jun 27 2021 at 09:33)
assumption not used in wf recursion (6 messages, latest: Jun 27 2021 at 06:55)
custom representation in goal view (5 messages, latest: Jun 26 2021 at 20:50)
Retrieving a Cauchy Sequence from a Real? (11 messages, latest: Jun 26 2021 at 20:20)
exacts (16 messages, latest: Jun 26 2021 at 19:56)
rewriting and propositional equalities (21 messages, latest: Jun 26 2021 at 12:21)
decidable_eq (7 messages, latest: Jun 26 2021 at 10:04)
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)
Binary package not provided (9 messages, latest: Jun 25 2021 at 10:55)
lifting (17 messages, latest: Jun 24 2021 at 21:28)
group theory (92 messages, latest: Jun 24 2021 at 16:50)
dec_trivial in classical (29 messages, latest: Jun 24 2021 at 13:03)
Playing with free groups (65 messages, latest: Jun 23 2021 at 22:28)
Euler's number (5 messages, latest: Jun 23 2021 at 16:12)
substitution within a lambda (30 messages, latest: Jun 23 2021 at 10:11)
_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)
i'm just playing around with lean lol (4 messages, latest: Jun 22 2021 at 17:22)
cases tactic failed, unexpected failure when introducing aux (5 messages, latest: Jun 22 2021 at 12:14)
Error import tactic (6 messages, latest: Jun 22 2021 at 10:53)
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)
syntax help (3 messages, latest: Jun 21 2021 at 02:50)
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)
new member (65 messages, latest: Jun 17 2021 at 12:06)
Nested Inductive Type Resolution with Match Syntax Issue (5 messages, latest: Jun 17 2021 at 11:21)
What do we call (name : type)? (10 messages, latest: Jun 17 2021 at 09:26)
binding power (2 messages, latest: Jun 17 2021 at 05:16)
create independet projects (3 messages, latest: Jun 16 2021 at 18:06)
Inductive Types (10 messages, latest: Jun 16 2021 at 06:05)
I am new here, how to use this chat? (2 messages, latest: Jun 16 2021 at 05:38)
brackets vs parentheses vs none (15 messages, latest: Jun 16 2021 at 04:00)
definition vs theorem (13 messages, latest: Jun 16 2021 at 00:26)
topological_fiber_bundle_core (1 message, latest: Jun 15 2021 at 21:54)
How to split union in universal statement (22 messages, latest: Jun 15 2021 at 15:55)
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)
stuck (20 messages, latest: Jun 14 2021 at 20:36)
Failed to load (21 messages, latest: Jun 14 2021 at 16:51)
how do i join project groups (4 messages, latest: Jun 14 2021 at 11:26)
equality of objects (19 messages, latest: Jun 14 2021 at 11:15)
Class vs structure (6 messages, latest: Jun 14 2021 at 04:25)
brakets, keys and parenthesis (11 messages, latest: Jun 13 2021 at 22:34)
git help (13 messages, latest: Jun 13 2021 at 08:33)
↥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)
nonempty vs inhabited (4 messages, latest: Jun 11 2021 at 09:02)
should I formalize WASM instead? (8 messages, latest: Jun 11 2021 at 04:46)
List membership (39 messages, latest: Jun 10 2021 at 19:19)
I still can't grasp universes (21 messages, latest: Jun 10 2021 at 18:55)
Match lhs and rhs of inequality (29 messages, latest: Jun 10 2021 at 16:17)
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)
Declaration (29 messages, latest: Jun 09 2021 at 11:59)
split sum (14 messages, latest: Jun 09 2021 at 10:25)
Andre Graubner (4 messages, latest: Jun 09 2021 at 07:45)
inductive map (14 messages, latest: Jun 09 2021 at 06:05)
'open' vs 'namespace' (4 messages, latest: Jun 08 2021 at 02:25)
How to apply eq_or_lt_of_le on a hypothesis (25 messages, latest: Jun 08 2021 at 02:09)
open IO (Error) in (3 messages, latest: Jun 08 2021 at 01:57)
Need a roadmap to learn undergrad mathematics through Lean (38 messages, latest: Jun 07 2021 at 20:03)
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)
How to use dvd_refl (16 messages, latest: Jun 06 2021 at 20:10)
mathlib3 exports as knowledge artifacts (8 messages, latest: Jun 06 2021 at 19:25)
Trimming \n from getLine (4 messages, latest: Jun 06 2021 at 17:23)
to_has_scalar (6 messages, latest: Jun 06 2021 at 15:11)
compare different actions (6 messages, latest: Jun 06 2021 at 07:20)
multiple inheritance (4 messages, latest: Jun 06 2021 at 07:17)
Introducing myself: Winston Yin (151 messages, latest: Jun 06 2021 at 01:24)
distributive law (42 messages, latest: Jun 05 2021 at 18:03)
unfolding "1" (12 messages, latest: Jun 05 2021 at 17:06)
Image of a linear map (6 messages, latest: Jun 05 2021 at 12:51)
Collinear set (19 messages, latest: Jun 05 2021 at 08:28)
Syntax (4 messages, latest: Jun 05 2021 at 00:31)
mixing real and natural numbers (23 messages, latest: Jun 04 2021 at 21:58)
keyboard shortcuts (1 message, latest: Jun 04 2021 at 21:54)
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)
education (3 messages, latest: Jun 04 2021 at 14:09)
the C abstract machine and code extraction (24 messages, latest: Jun 04 2021 at 08:53)
Kevin Allen: Introduction (5 messages, latest: Jun 03 2021 at 20:41)
seq equality inductively (18 messages, latest: Jun 03 2021 at 18:24)
Intersection of subalgebras (26 messages, latest: Jun 03 2021 at 16:58)
what does this definition mean? (6 messages, latest: Jun 03 2021 at 15:46)
inductive types = set theory? (17 messages, latest: Jun 03 2021 at 14:15)
square brackets in def (10 messages, latest: Jun 03 2021 at 13:07)
Inline subsitution (6 messages, latest: Jun 03 2021 at 06:26)
Parker Spires (introduction) (1 message, latest: Jun 02 2021 at 19:28)
primes (21 messages, latest: Jun 02 2021 at 14:14)
quotient, quotienting? (19 messages, latest: Jun 02 2021 at 11:35)
metaprogramming (3 messages, latest: Jun 02 2021 at 09:31)
lean forward logical verification course (4 messages, latest: Jun 02 2021 at 06:03)
An example (6 messages, latest: Jun 02 2021 at 03:49)
What does 'statically typed' and 'dynamically typed' mean? (27 messages, latest: Jun 01 2021 at 21:17)
with top with bottom (9 messages, latest: Jun 01 2021 at 11:27)
my code is so egregious (13 messages, latest: Jun 01 2021 at 10:57)
Notation (3 messages, latest: Jun 01 2021 at 09:07)
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)
"unfold" a proposition (31 messages, latest: May 31 2021 at 11:10)
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)
Monoid Morphism (20 messages, latest: May 30 2021 at 11:18)
review the formalized statement of CF 1526C2 (16 messages, latest: May 30 2021 at 10:48)
↑ (3 messages, latest: May 30 2021 at 06:41)
Studying mathlib as a knowledge artifact; seeking "expor… (6 messages, latest: May 30 2021 at 03:42)
Definition of set.finite (5 messages, latest: May 29 2021 at 18:29)
rw (9 messages, latest: May 29 2021 at 14:56)
why do inductive functions have to return prop (11 messages, latest: May 29 2021 at 08:53)
Constructor for extended structure (4 messages, latest: May 28 2021 at 16:38)
Hilbert spaces (3 messages, latest: May 28 2021 at 14:51)
Escaping Prop (27 messages, latest: May 28 2021 at 13:15)
ring tactic (3 messages, latest: May 28 2021 at 12:55)
subtraction in ring (7 messages, latest: May 28 2021 at 12:53)
How did Lean infer an algorithm for list.perm? (8 messages, latest: May 28 2021 at 09:48)
symmetry at h not working (12 messages, latest: May 28 2021 at 09:21)
leanpkg uncaught exception (1 message, latest: May 28 2021 at 09:01)
-0 (11 messages, latest: May 28 2021 at 08:55)
fin n (16 messages, latest: May 27 2021 at 14:42)
.mp (5 messages, latest: May 27 2021 at 14:00)
use of finset.sum_insert (6 messages, latest: May 27 2021 at 10:16)
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)
alias (15 messages, latest: May 26 2021 at 16:17)
cases timeout; using zfc sets (3 messages, latest: May 26 2021 at 02:20)
Euclidean Geometry (12 messages, latest: May 25 2021 at 14:09)
Finding Theorems (15 messages, latest: May 25 2021 at 13:13)
#check (6 messages, latest: May 25 2021 at 08:35)
refl and rfl (7 messages, latest: May 25 2021 at 06:41)
How does @ work? (18 messages, latest: May 25 2021 at 06:21)
Dot notation and coercions (20 messages, latest: May 24 2021 at 16:46)
change bound variable name (4 messages, latest: May 24 2021 at 14:53)
Tracing time of type class inference (42 messages, latest: May 24 2021 at 13:41)
introduce new constants and propositions (39 messages, latest: May 24 2021 at 13:10)
is_[XX] deprecated (13 messages, latest: May 24 2021 at 12:31)
open command (3 messages, latest: May 24 2021 at 08:39)
extending structures with implicit parameters (26 messages, latest: May 24 2021 at 06:51)
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)
First Proof (7 messages, latest: May 23 2021 at 15:00)
convert equality to inequality (7 messages, latest: May 22 2021 at 09:16)
Unexpected Occurrence of recursive function (2 messages, latest: May 21 2021 at 14:15)
use of by_cases (16 messages, latest: May 21 2021 at 09:33)
theorems in NNG (2 messages, latest: May 21 2021 at 09:10)
introduce new numbers (4 messages, latest: May 21 2021 at 08:59)
And versus currying (6 messages, latest: May 21 2021 at 06:05)
Lean4: Proving succ a ≤ zero is obviously false (19 messages, latest: May 20 2021 at 12:10)
local notations/definitions (21 messages, latest: May 20 2021 at 11:30)
Proving succ a ≤ zero is obviously false (6 messages, latest: May 19 2021 at 17:35)
Predicativity (11 messages, latest: May 18 2021 at 13:57)
group (27 messages, latest: May 17 2021 at 17:38)
<|> for more than two things (15 messages, latest: May 16 2021 at 17:19)
Tyler Billingsley (2 messages, latest: May 16 2021 at 05:22)
instance arguments in eqn compiler (10 messages, latest: May 15 2021 at 19:58)
Creating a new Lean project (60 messages, latest: May 15 2021 at 15:38)
Get decidable_eq from classical (2 messages, latest: May 15 2021 at 13:43)
Submitting code related to dihedral groups (3 messages, latest: May 14 2021 at 22:06)
expanding to_fun (8 messages, latest: May 14 2021 at 18:35)
Having ring understand when i ≠ -i (14 messages, latest: May 14 2021 at 13:23)
mul_zero _ and zero_mul 0 (14 messages, latest: May 14 2021 at 07:52)
Functional interpretations (4 messages, latest: May 13 2021 at 23:08)
towers of algebras (81 messages, latest: May 13 2021 at 20:02)
dec_trivial for zmod 8 (19 messages, latest: May 13 2021 at 18:34)
_.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)
Having some issues with importing (10 messages, latest: May 12 2021 at 18:28)
how to import (3 messages, latest: May 12 2021 at 12:29)
set ... with does nothing (4 messages, latest: May 11 2021 at 19:20)
ext tag (1 message, latest: May 10 2021 at 16:20)
Pattern matching and proving with rfl (8 messages, latest: May 10 2021 at 08:23)
Mathlib and lean server consumes too much memory on mac m1 (20 messages, latest: May 10 2021 at 04:05)
Less than or equal for nat (10 messages, latest: May 09 2021 at 18:11)
Prime-counting function (149 messages, latest: May 09 2021 at 10:11)
Avoiding deterministic timeout (5 messages, latest: May 08 2021 at 18:14)
features of Lean/Lean4 (32 messages, latest: May 08 2021 at 16:51)
Ambiguous overload (23 messages, latest: May 08 2021 at 10:02)
Distubing messages on start up (57 messages, latest: May 08 2021 at 07:59)
notation problems (17 messages, latest: May 07 2021 at 15:05)
how to import additional theorems and notation available in (13 messages, latest: May 07 2021 at 07:49)
Working with homemade inductive type (16 messages, latest: May 07 2021 at 02:42)
dependent lift with quotient (15 messages, latest: May 07 2021 at 01:25)
Lean Incremental Compilation? (6 messages, latest: May 06 2021 at 14:51)
variable vs constant (6 messages, latest: May 06 2021 at 12:56)
Simple question (1 message, latest: May 05 2021 at 22:46)
Simplicial complexes? (9 messages, latest: May 04 2021 at 13:23)
Proving 64 = (4:ℝ) ^ (3:ℝ) (6 messages, latest: May 03 2021 at 15:19)
Eigenproperties of symmetric matrices (146 messages, latest: Apr 29 2021 at 07:56)
avoid nonterminating meta defs (12 messages, latest: Apr 29 2021 at 06:35)
Trying to understand exprs (20 messages, latest: Apr 28 2021 at 22:35)
Stupid question about gcd (13 messages, latest: Apr 28 2021 at 18:29)
Different function signatures (5 messages, latest: Apr 27 2021 at 22:10)
Fix argument with tactic (3 messages, latest: Apr 27 2021 at 18:15)
Issue of Installation on generic Linux (19 messages, latest: Apr 27 2021 at 17:28)
A question of type class inference (44 messages, latest: Apr 26 2021 at 08:05)
Convert tactic proof (4 messages, latest: Apr 25 2021 at 20:02)
order_dual and continuity (5 messages, latest: Apr 25 2021 at 12:07)
Lean doesn't know how to extend two smuls (13 messages, latest: Apr 24 2021 at 19:07)
github access: Erdős–Szekeres (10 messages, latest: Apr 24 2021 at 06:57)
Extensionality for big operators (21 messages, latest: Apr 23 2021 at 23:50)
with_bot (56 messages, latest: Apr 23 2021 at 18:19)
equation compiler type mismatch (2 messages, latest: Apr 23 2021 at 16:40)
Build Elan Locally? (3 messages, latest: Apr 23 2021 at 15:10)
A simple series lemma (7 messages, latest: Apr 22 2021 at 21:27)
custom simp-sets (14 messages, latest: Apr 22 2021 at 03:46)
"omit" typeclass (10 messages, latest: Apr 21 2021 at 11:14)
dependent tuples with fin (12 messages, latest: Apr 21 2021 at 08:19)
introductions / github access (2 messages, latest: Apr 20 2021 at 18:42)
lifting into quotient (12 messages, latest: Apr 20 2021 at 13:44)
not_eq_impl_false (22 messages, latest: Apr 18 2021 at 15:40)
def nat greater than 0 (5 messages, latest: Apr 18 2021 at 14:54)
derangements mwe and questions (10 messages, latest: Apr 18 2021 at 00:22)
Elan error fetching from github (7 messages, latest: Apr 17 2021 at 17:03)
Which import to have HasToString? (2 messages, latest: Apr 17 2021 at 15:13)
rewrite and refl (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)
Trouble with library_search (9 messages, latest: Apr 17 2021 at 00:33)
Difficulty with exists (29 messages, latest: Apr 16 2021 at 20:00)
lambda abstraction (5 messages, latest: Apr 16 2021 at 17:20)
weird prime error (11 messages, latest: Apr 16 2021 at 00:17)
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)
kind programming language (2 messages, latest: Apr 15 2021 at 05:22)
Targeted Unfolding in a Hypothesis or Goal (30 messages, latest: Apr 15 2021 at 04:17)
funny lemma (3 messages, latest: Apr 14 2021 at 19:00)
simp [dite_eq_ite] introduces quot.sound (12 messages, latest: Apr 14 2021 at 18:47)
JB (39 messages, latest: Apr 14 2021 at 16:15)
choose typeclass instance (4 messages, latest: Apr 14 2021 at 13:41)
Inf of Ioo in ℝ (20 messages, latest: Apr 14 2021 at 13:17)
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)
Dealing with finite series (12 messages, latest: Apr 13 2021 at 09:03)
introducting myself: mikey liu (4 messages, latest: Apr 13 2021 at 03:19)
"code generation failed" (11 messages, latest: Apr 12 2021 at 22:16)
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)
Native high-performance arithmetic? (8 messages, latest: Apr 11 2021 at 23:11)
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)
quantification over zip (3 messages, latest: Apr 09 2021 at 20:47)
to_additive documentation (8 messages, latest: Apr 09 2021 at 19:54)
When will there be a stable Lean 4 release? (7 messages, latest: Apr 09 2021 at 11:17)
nat.rfl.dvd (60 messages, latest: Apr 09 2021 at 10:16)
find notation (5 messages, latest: Apr 09 2021 at 07:01)
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 and function.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)
Inner and Outer Automorphism Groups (11 messages, latest: Apr 04 2021 at 22:12)
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)
Printing axioms, theorems, definitions etc. in file (8 messages, latest: Apr 02 2021 at 15:49)
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)
Error installing elan (6 messages, latest: Apr 01 2021 at 21:34)
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)
How to run Lean programs from the command line (3 messages, latest: Mar 30 2021 at 17:01)
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)
Prove set membership (4 messages, latest: Mar 11 2021 at 15:33)
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)
smulas mul (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)
noncomputable theory (1 message, latest: Feb 08 2021 at 20:01)
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)
mathematics-in-lean (4 messages, latest: Jan 22 2021 at 18:01)
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 in let (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)
Beginner question (6 messages, latest: Jan 11 2021 at 18:00)
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 then x\|a or x\|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)
hello world (2 messages, latest: Jan 10 2021 at 06:22)
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 to perm 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 and Type (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)
trivial topology (11 messages, latest: Oct 21 2020 at 14:23)
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)
is_function (26 messages, latest: Oct 14 2020 at 21:30)
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)
Term Mode vs. Tactic Mode (4 messages, latest: Oct 12 2020 at 15:35)
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 vs simpa (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) for ring 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 of fintype (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)
Proof of add_left_cancel from Mathematics in Lean (2 messages, latest: Aug 26 2020 at 15:31)
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)
Access to Mathlib (2 messages, latest: Aug 22 2020 at 23:42)
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 and have (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 and rw (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 convert y ∈ z to y = 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)
list comprehensions (5 messages, latest: Jul 01 2020 at 02:14)
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)
don't know how to synthesize placeholder (20 messages, latest: Jun 30 2020 at 00:41)
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)
Defining the unit interval (36 messages, latest: Jun 07 2020 at 14:42)
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 vs rfl (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)
universe levels (45 messages, latest: May 24 2020 at 00:19)
[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 as add_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 . in rbmap'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)
Hi! (39 messages, latest: Jun 12 2019 at 20:18)
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)
something 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: Dec 20 2023 at 11:08 UTC