category_theory.limits.constructions.over.basic ⟷ Mathlib.CategoryTheory.Limits.Constructions.Over.Basic

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

@@ -3,11 +3,11 @@ Copyright (c) 2018 Johan Commelin. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Johan Commelin, Reid Barton, Bhavik Mehta
 -/
-import Mathbin.CategoryTheory.Limits.Connected
-import Mathbin.CategoryTheory.Limits.Constructions.Over.Products
-import Mathbin.CategoryTheory.Limits.Constructions.Over.Connected
-import Mathbin.CategoryTheory.Limits.Constructions.LimitsOfProductsAndEqualizers
-import Mathbin.CategoryTheory.Limits.Constructions.Equalizers
+import CategoryTheory.Limits.Connected
+import CategoryTheory.Limits.Constructions.Over.Products
+import CategoryTheory.Limits.Constructions.Over.Connected
+import CategoryTheory.Limits.Constructions.LimitsOfProductsAndEqualizers
+import CategoryTheory.Limits.Constructions.Equalizers
 
 #align_import category_theory.limits.constructions.over.basic from "leanprover-community/mathlib"@"728ef9dbb281241906f25cbeb30f90d83e0bb451"
 

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

@@ -2,11 +2,6 @@
 Copyright (c) 2018 Johan Commelin. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Johan Commelin, Reid Barton, Bhavik Mehta
-
-! This file was ported from Lean 3 source module category_theory.limits.constructions.over.basic
-! leanprover-community/mathlib commit 728ef9dbb281241906f25cbeb30f90d83e0bb451
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.CategoryTheory.Limits.Connected
 import Mathbin.CategoryTheory.Limits.Constructions.Over.Products
@@ -14,6 +9,8 @@ import Mathbin.CategoryTheory.Limits.Constructions.Over.Connected
 import Mathbin.CategoryTheory.Limits.Constructions.LimitsOfProductsAndEqualizers
 import Mathbin.CategoryTheory.Limits.Constructions.Equalizers
 
+#align_import category_theory.limits.constructions.over.basic from "leanprover-community/mathlib"@"728ef9dbb281241906f25cbeb30f90d83e0bb451"
+
 /-!
 # Limits in the over category
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/728ef9dbb281241906f25cbeb30f90d83e0bb451

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Johan Commelin, Reid Barton, Bhavik Mehta
 
 ! This file was ported from Lean 3 source module category_theory.limits.constructions.over.basic
-! leanprover-community/mathlib commit 15db1b4f26ba89c6eb0c78b0a44c7e779a788e29
+! leanprover-community/mathlib commit 728ef9dbb281241906f25cbeb30f90d83e0bb451
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -17,6 +17,9 @@ import Mathbin.CategoryTheory.Limits.Constructions.Equalizers
 /-!
 # Limits in the over category
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 Declare instances for limits in the over category: If `C` has finite wide pullbacks, `over B` has
 finite limits, and if `C` has arbitrary wide pullbacks then `over B` has limits.
 -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/9240e8be927a0955b9a82c6c85ef499ee3a626b8

@@ -49,6 +49,7 @@ instance {B : C} [HasEqualizers C] : HasEqualizers (Over B) :=
   letI : category (ULiftHom.{v} (ULift.{v} walking_parallel_pair)) := inferInstance
   exact has_limits_of_shape_of_equivalence (ULiftHomULiftCategory.equiv.{v, v} _).symm
 
+#print CategoryTheory.Over.hasFiniteLimits /-
 instance hasFiniteLimits {B : C} [HasFiniteWidePullbacks C] : HasFiniteLimits (Over B) :=
   by
   apply @has_finite_limits_of_has_equalizers_and_finite_products _ _ _ _
@@ -58,8 +59,10 @@ instance hasFiniteLimits {B : C} [HasFiniteWidePullbacks C] : HasFiniteLimits (O
       exact construct_products.over_binary_product_of_pullback
     · infer_instance
 #align category_theory.over.has_finite_limits CategoryTheory.Over.hasFiniteLimits
+-/
 
-instance has_limits {B : C} [HasWidePullbacks.{w} C] : HasLimitsOfSize.{w} (Over B) :=
+#print CategoryTheory.Over.hasLimits /-
+instance hasLimits {B : C} [HasWidePullbacks.{w} C] : HasLimitsOfSize.{w} (Over B) :=
   by
   apply @has_limits_of_has_equalizers_and_products _ _ _ _
   · exact construct_products.over_products_of_wide_pullbacks
@@ -67,7 +70,8 @@ instance has_limits {B : C} [HasWidePullbacks.{w} C] : HasLimitsOfSize.{w} (Over
     · haveI : has_pullbacks C := ⟨inferInstance⟩
       exact construct_products.over_binary_product_of_pullback
     · infer_instance
-#align category_theory.over.has_limits CategoryTheory.Over.has_limits
+#align category_theory.over.has_limits CategoryTheory.Over.hasLimits
+-/
 
 end CategoryTheory.Over
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/9240e8be927a0955b9a82c6c85ef499ee3a626b8

@@ -3,8 +3,8 @@ Copyright (c) 2018 Johan Commelin. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Johan Commelin, Reid Barton, Bhavik Mehta
 
-! This file was ported from Lean 3 source module category_theory.limits.constructions.over.default
-! leanprover-community/mathlib commit 3424a5932a77dcec2c177ce7d805acace6149299
+! This file was ported from Lean 3 source module category_theory.limits.constructions.over.basic
+! leanprover-community/mathlib commit 15db1b4f26ba89c6eb0c78b0a44c7e779a788e29
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/

Empty lines were removed by executing the following Python script twice

import os
import re


# Loop through each file in the repository
for dir_path, dirs, files in os.walk('.'):
  for filename in files:
    if filename.endswith('.lean'):
      file_path = os.path.join(dir_path, filename)

      # Open the file and read its contents
      with open(file_path, 'r') as file:
        content = file.read()

      # Use a regular expression to replace sequences of "variable" lines separated by empty lines
      # with sequences without empty lines
      modified_content = re.sub(r'(variable.*\n)\n(variable(?! .* in))', r'\1\2', content)

      # Write the modified content back to the file
      with open(file_path, 'w') as file:
        file.write(modified_content)

@@ -25,7 +25,6 @@ universe w v u
 open CategoryTheory CategoryTheory.Limits
 
 variable {C : Type u} [Category.{v} C]
-
 variable {X : C}
 
 namespace CategoryTheory.Over

• depends on: #5966

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

@@ -2,11 +2,6 @@
 Copyright (c) 2018 Johan Commelin. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Johan Commelin, Reid Barton, Bhavik Mehta
-
-! This file was ported from Lean 3 source module category_theory.limits.constructions.over.basic
-! leanprover-community/mathlib commit 15db1b4f26ba89c6eb0c78b0a44c7e779a788e29
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.CategoryTheory.Limits.Connected
 import Mathlib.CategoryTheory.Limits.Constructions.Over.Products
@@ -14,6 +9,8 @@ import Mathlib.CategoryTheory.Limits.Constructions.Over.Connected
 import Mathlib.CategoryTheory.Limits.Constructions.LimitsOfProductsAndEqualizers
 import Mathlib.CategoryTheory.Limits.Constructions.Equalizers
 
+#align_import category_theory.limits.constructions.over.basic from "leanprover-community/mathlib"@"15db1b4f26ba89c6eb0c78b0a44c7e779a788e29"
+
 /-!
 # Limits in the over category