1d66ff8231
Fixes a long-standing bug in the the `sorryAx` app unexpander that prevented it from applying. Now `sorry` pretty prints as `sorry`.
45 lines
1.5 KiB
Text
45 lines
1.5 KiB
Text
-- This file produces:
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-- PANIC at Lean.MetavarContext.getLevelDepth Lean.MetavarContext:839:14: unknown metavariable
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-- from Mathlib.CategoryTheory.Category.Basic
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class Category.{v, u} (obj : Type u) : Type max u (v + 1) where
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-- from Mathlib.CategoryTheory.Functor.Basic
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structure Functor' (C : Type u₁) [Category.{v₁} C] (D : Type u₂) [Category.{v₂} D] : Type max v₁ v₂ u₁ u₂ where
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-- from Mathlib.CategoryTheory.Types
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instance : Category (Type u) := sorry
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-- from Mathlib.CategoryTheory.Limits.HasLimits
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section
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variable {J : Type u₁} [Category.{v₁} J] {C : Type u} [Category.{v} C]
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class HasLimit (F : Functor' J C) : Prop where
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class HasLimitsOfSize (C : Type u) [Category.{v} C] : Prop where
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has_limit : ∀ (J : Type u₁) [Category.{v₁} J] (F : Functor' J C), HasLimit F
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instance {J : Type u₁} [Category.{v₁} J] [HasLimitsOfSize.{v₁, u₁} C] (F : Functor' J C) : HasLimit F :=
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sorry
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def limit (F : Functor' J C) [HasLimit F] : C := sorry
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def limit.π (F : Functor' J C) [HasLimit F] (j : J) : sorry := sorry
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end
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-- from Mathlib.CategoryTheory.Limits.Types
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instance hasLimitsOfSize : HasLimitsOfSize.{v} (Type max v u) := sorry
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set_option pp.mvars false
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/--
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error: type mismatch
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limit.π sorry sorry
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has type
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sorry : Sort _
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but is expected to have type
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limit f → sorry : Sort (imax (max (u + 1) (v + 1)) _)
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-/
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#guard_msgs in
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theorem pi_lift_π_apply {C : Type v} [Category.{v} C] (f : Functor' C (Type max v u)) :
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(limit.π sorry sorry : limit f → sorry) sorry = sorry :=
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sorry
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