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Porting note: was tidy #10936

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pitmonticone opened this issue Feb 24, 2024 · 0 comments
Open

Porting note: was tidy #10936

pitmonticone opened this issue Feb 24, 2024 · 0 comments
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porting-notes Mathlib3 to Mathlib4 porting notes.

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@pitmonticone
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Classifies porting notes claiming anything semantically equivalent to:

  • "used to be tidy"
  • "was tidy "

Examples

theorem A_fibre_over_judgePair_card {p : JudgePair J} (h : p.Distinct) :
(agreedContestants r p).card =
((A r).filter fun a : AgreedTriple C J => a.judgePair = p).card := by
rw [A_fibre_over_judgePair r h]
apply Finset.card_image_of_injOn
-- porting note: used to be `tidy`
unfold Set.InjOn; intros; ext; all_goals aesop
#align imo1998_q2.A_fibre_over_judge_pair_card Imo1998Q2.A_fibre_over_judgePair_card

/-- The right Kan extension of a functor. -/
@[simps!]
def ran [∀ X, HasLimitsOfShape (StructuredArrow X ι) D] : (S ⥤ D) ⥤ L ⥤ D :=
Adjunction.rightAdjointOfEquiv (fun F G => (Ran.equiv ι G F).symm) (by {
-- Porting note: was `tidy`
intros X' X Y f g
ext t
apply limit.hom_ext
intros j
dsimp [Ran.equiv]
simp })
set_option linter.uppercaseLean3 false in
#align category_theory.Ran CategoryTheory.ran

@pitmonticone pitmonticone added the porting-notes Mathlib3 to Mathlib4 porting notes. label Feb 24, 2024
mathlib-bors bot pushed a commit that referenced this issue Feb 27, 2024
Classifies by adding issue number (#10936) to porting notes claiming anything semantically equivalent to: 

- "used to be `tidy`"
- "was `tidy `"
riccardobrasca pushed a commit that referenced this issue Mar 1, 2024
Classifies by adding issue number (#10936) to porting notes claiming anything semantically equivalent to: 

- "used to be `tidy`"
- "was `tidy `"
kbuzzard pushed a commit that referenced this issue Mar 12, 2024
Classifies by adding issue number (#10936) to porting notes claiming anything semantically equivalent to: 

- "used to be `tidy`"
- "was `tidy `"
dagurtomas pushed a commit that referenced this issue Mar 22, 2024
Classifies by adding issue number (#10936) to porting notes claiming anything semantically equivalent to: 

- "used to be `tidy`"
- "was `tidy `"
Louddy pushed a commit that referenced this issue Apr 15, 2024
Classifies by adding issue number (#10936) to porting notes claiming anything semantically equivalent to: 

- "used to be `tidy`"
- "was `tidy `"
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Labels
porting-notes Mathlib3 to Mathlib4 porting notes.
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