imo.imo1977_q6 | Mathlib porting status

Changes since the initial port

The following section lists changes to this file in mathlib3 and mathlib4 that occured after the initial port. Most recent changes are shown first. Hovering over a commit will show all commits associated with the same mathlib3 commit.

Changes in mathlib3

30882647

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

08b081ea

bump to nightly-2024-04-06-08

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

e34029c9

Diff

@@ -3,7 +3,7 @@ Copyright (c) 2021 Tian Chen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tian Chen
 -/
-import Data.Pnat.Basic
+import Data.PNat.Basic
 
 #align_import imo.imo1977_q6 from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"

08b081ea

bump to nightly-2023-09-24-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

5655435f

Diff

@@ -3,7 +3,7 @@ Copyright (c) 2021 Tian Chen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tian Chen
 -/
-import Mathbin.Data.Pnat.Basic
+import Data.Pnat.Basic
 
 #align_import imo.imo1977_q6 from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"

08b081ea

bump to nightly-2023-07-20-09

mathlib commit https://github.com/leanprover-community/mathlib/commit/8ea5598db6caeddde6cb734aa179cc2408dbd345

9c56d0dd

Diff

@@ -2,14 +2,11 @@
 Copyright (c) 2021 Tian Chen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tian Chen
-
-! This file was ported from Lean 3 source module imo.imo1977_q6
-! leanprover-community/mathlib commit 08b081ea92d80e3a41f899eea36ef6d56e0f1db0
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Data.Pnat.Basic
 
+#align_import imo.imo1977_q6 from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"
+
 /-!
 # IMO 1977 Q6

08b081ea

bump to nightly-2023-07-17-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/bf2428c9486c407ca38b5b3fb10b87dad0bc99fa

a159b65f

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tian Chen
 
 ! This file was ported from Lean 3 source module imo.imo1977_q6
-! leanprover-community/mathlib commit 308826471968962c6b59c7ff82a22757386603e3
+! leanprover-community/mathlib commit 08b081ea92d80e3a41f899eea36ef6d56e0f1db0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -13,6 +13,9 @@ import Mathbin.Data.Pnat.Basic
 /-!
 # IMO 1977 Q6
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 Suppose `f : ℕ+ → ℕ+` satisfies `f(f(n)) < f(n + 1)` for all `n`.
 Prove that `f(n) = n` for all `n`.

30882647

bump to nightly-2023-06-09-07

mathlib commit https://github.com/leanprover-community/mathlib/commit/7e5137f579de09a059a5ce98f364a04e221aabf0

16afdc39

Diff

@@ -34,7 +34,6 @@ theorem imo1977_q6_nat (f : ℕ → ℕ) (h : ∀ n, f (f n) < f (n + 1)) : ∀
       calc
         k ≤ f (f (n - 1)) := h_ind _ (h_ind (n - 1) (le_tsub_of_add_le_right hk))
         _ < f n := tsub_add_cancel_of_le (le_trans (Nat.succ_le_succ (Nat.zero_le _)) hk) ▸ h _
-        
   have hf : ∀ n, n ≤ f n := fun n => h' n n rfl.le
   have hf_mono : StrictMono f := strictMono_nat_of_lt_succ fun _ => lt_of_le_of_lt (hf _) (h _)
   intro

30882647

bump to nightly-2023-06-07-01

mathlib commit https://github.com/leanprover-community/mathlib/commit/a3209ddf94136d36e5e5c624b10b2a347cc9d090

176da745

Changes in mathlib4

mathlib3

mathlib4

30882647

chore: script to replace headers with #align_import statements (#5979)

depends on: #5966

Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

89aa3a3b

Diff

@@ -2,14 +2,11 @@
 Copyright (c) 2021 Tian Chen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tian Chen
-
-! This file was ported from Lean 3 source module imo.imo1977_q6
-! leanprover-community/mathlib commit 308826471968962c6b59c7ff82a22757386603e3
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Data.PNat.Basic
 
+#align_import imo.imo1977_q6 from "leanprover-community/mathlib"@"308826471968962c6b59c7ff82a22757386603e3"
+
 /-!
 # IMO 1977 Q6

30882647

feat: port Algebra.Category.BoolRingCat (#5053)

a9540a65

`imo.imo1977_q6` ⟷ `Archive.Imo.Imo1977Q6`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 1 + 88

imo.imo1977_q6 ⟷ Archive.Imo.Imo1977Q6

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 1 + 88

`imo.imo1977_q6` ⟷ `Archive.Imo.Imo1977Q6`