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authorHannes Schulze <contact@haschu.me>2026-04-14 16:04:44 +0200
committerHannes Schulze <contact@haschu.me>2026-04-15 13:22:40 +0200
commita5ff8efe5b5e314e0aa759318e5fb194e066f612 (patch)
tree4d13dd84ac4ced2360a51799f0e5c846bd733872 /Graded/GradedMonad.lean
parent43942e78f4b3ed4cfca3b508f06161d0983c545e (diff)
update lean
Diffstat (limited to 'Graded/GradedMonad.lean')
-rw-r--r--Graded/GradedMonad.lean20
1 files changed, 14 insertions, 6 deletions
diff --git a/Graded/GradedMonad.lean b/Graded/GradedMonad.lean
index d0af5f4..39d543c 100644
--- a/Graded/GradedMonad.lean
+++ b/Graded/GradedMonad.lean
@@ -54,17 +54,23 @@ def ofMonad (M : Monad C) : GradedMonad C where
toFunctor _ := M.toFunctor
η := M.η
μ _ _ := M.μ
- assoc X _ _ _ := by simp [M.assoc X]
- left_unit X _ := by simp [M.left_unit]
- right_unit X _ := by simp [M.right_unit]
+ assoc X _ _ _ := by simp only [Functor.comp_obj, eqToHom_refl, Category.comp_id]; exact M.assoc X
+ left_unit X _ := by simp only [eqToHom_refl, Category.comp_id]; exact M.left_unit X
+ right_unit X _ := by exact M.right_unit X
def toMonad (M : GradedMonad C) : Monad C :=
{ M 0 with
η := M.η
μ := M.μ 0 0
- assoc X := by simp [M.assoc X 0 0 0]
- left_unit X := by simp [M.left_unit X 0]
- right_unit X := by simp [M.right_unit X 0] }
+ assoc X := by
+ have h := M.assoc X 0 0 0
+ simp only [Functor.comp_obj, Nat.add_zero, eqToHom_refl, Category.comp_id] at h
+ exact h
+ left_unit X := by
+ have h := M.left_unit X 0
+ simp only [Functor.id_obj, Nat.add_zero, eqToHom_refl, Category.comp_id] at h
+ exact h
+ right_unit X := M.right_unit X 0 }
lemma toMonad_ofMonad {M : Monad C} : (ofMonad M).toMonad = M := rfl
@@ -83,6 +89,8 @@ def ofComp (F : C ⥤ C) : GradedMonad C where
η := NatTrans.id (𝟭 C)
μ n k := NatTrans.id (compFunctor F k ⋙ compFunctor F n) ≫ eqToHom (compFunctor_comp _ n k)
assoc X n k m := by simp [eqToHom_map]
+ left_unit X n := by simp [compFunctor]
+ right_unit X n := by simp [compFunctor]
end GradedMonad