imo.imo2001_q6Archive.Imo.Imo2001Q6

This file has been ported!

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.

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Changes in mathlib3port

mathlib3
mathlib3port
Diff
@@ -3,9 +3,9 @@ Copyright (c) 2021 Sara Díaz Real. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Sara Díaz Real
 -/
-import Mathbin.Algebra.Associated
+import Algebra.Associated
 import Mathbin.Tactic.Linarith.Default
-import Mathbin.Tactic.LinearCombination
+import Tactic.LinearCombination
 
 #align_import imo.imo2001_q6 from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"
 
Diff
@@ -2,16 +2,13 @@
 Copyright (c) 2021 Sara Díaz Real. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Sara Díaz Real
-
-! This file was ported from Lean 3 source module imo.imo2001_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.Algebra.Associated
 import Mathbin.Tactic.Linarith.Default
 import Mathbin.Tactic.LinearCombination
 
+#align_import imo.imo2001_q6 from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"
+
 /-!
 # IMO 2001 Q6
 
Diff
@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Sara Díaz Real
 
 ! This file was ported from Lean 3 source module imo.imo2001_q6
-! leanprover-community/mathlib commit 5f25c089cb34db4db112556f23c50d12da81b297
+! leanprover-community/mathlib commit 08b081ea92d80e3a41f899eea36ef6d56e0f1db0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -14,6 +14,9 @@ import Mathbin.Tactic.LinearCombination
 
 /-!
 # IMO 2001 Q6
+
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
 Let $a$, $b$, $c$, $d$ be integers with $a > b > c > d > 0$. Suppose that
 
 $$ a*c + b*d = (a + b - c + d) * (-a + b + c + d). $$

Changes in mathlib4

mathlib3
mathlib4
chore: script to replace headers with #align_import statements (#5979)

Open in Gitpod

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

Diff
@@ -2,16 +2,13 @@
 Copyright (c) 2021 Sara Díaz Real. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Sara Díaz Real
-
-! This file was ported from Lean 3 source module imo.imo2001_q6
-! leanprover-community/mathlib commit 5f25c089cb34db4db112556f23c50d12da81b297
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.Associated
 import Mathlib.Tactic.Linarith
 import Mathlib.Tactic.LinearCombination
 
+#align_import imo.imo2001_q6 from "leanprover-community/mathlib"@"5f25c089cb34db4db112556f23c50d12da81b297"
+
 /-!
 # IMO 2001 Q6
 Let $a$, $b$, $c$, $d$ be integers with $a > b > c > d > 0$. Suppose that
chore: use mathport output in FieldTheory.SplittingField.Construction (#5087)

The mathlib3 version was manually backported from the mathlib4 version. We use here the mathport output.

Dependencies 3 + 128

129 files ported (97.7%)
52204 lines ported (98.0%)
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The unported dependencies are