Theorem: Bimod.id_whiskerLeft_bimod
File: Mathlib/CategoryTheory/Monoidal/Bimod.lean

Proof steps:
state_before: C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ (regular X).whiskerLeft f = M.leftUnitorBimod.hom ≫ f ≫ N.leftUnitorBimod.inv
state_after: C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
          right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
      f =
    (isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
          ⋯).hom ≫
      f ≫
        (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
            ⋯).inv
tactic: dsimp [tensorHom, regular, leftUnitorBimod]
state_before: C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
          right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
      f =
    (isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
          ⋯).hom ≫
      f ≫
        (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
            ⋯).inv
state_after: case h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
            right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
        f).hom =
    ((isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
            ⋯).hom ≫
        f ≫
          (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
              ⋯).inv).hom
tactic: ext
state_before: case h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
            right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
        f).hom =
    ((isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
            ⋯).hom ≫
        f ≫
          (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
              ⋯).inv).hom
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ coequalizer.π
        ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.actRight ▷
          M.X)
        ((α_
              { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                  right_assoc := ⋯, middle_assoc := ⋯ }.X
              X.X M.X).hom ≫
          { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                right_assoc := ⋯, middle_assoc := ⋯ }.X ◁
            M.actLeft) ≫
      ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
          f).hom =
    coequalizer.π
        ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.actRight ▷
          M.X)
        ((α_
              { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                  right_assoc := ⋯, middle_assoc := ⋯ }.X
              X.X M.X).hom ≫
          { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                right_assoc := ⋯, middle_assoc := ⋯ }.X ◁
            M.actLeft) ≫
      ((isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
              ⋯).hom ≫
          f ≫
            (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
                ⋯).inv).hom
tactic: apply coequalizer.hom_ext
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ coequalizer.π
        ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.actRight ▷
          M.X)
        ((α_
              { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                  right_assoc := ⋯, middle_assoc := ⋯ }.X
              X.X M.X).hom ≫
          { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                right_assoc := ⋯, middle_assoc := ⋯ }.X ◁
            M.actLeft) ≫
      ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.whiskerLeft
          f).hom =
    coequalizer.π
        ({ X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
              right_assoc := ⋯, middle_assoc := ⋯ }.actRight ▷
          M.X)
        ((α_
              { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                  right_assoc := ⋯, middle_assoc := ⋯ }.X
              X.X M.X).hom ≫
          { X := X.X, actLeft := X.mul, one_actLeft := ⋯, left_assoc := ⋯, actRight := X.mul, actRight_one := ⋯,
                right_assoc := ⋯, middle_assoc := ⋯ }.X ◁
            M.actLeft) ≫
      ((isoOfIso { hom := LeftUnitorBimod.hom M, inv := LeftUnitorBimod.inv M, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
              ⋯).hom ≫
          f ≫
            (isoOfIso { hom := LeftUnitorBimod.hom N, inv := LeftUnitorBimod.inv N, hom_inv_id := ⋯, inv_hom_id := ⋯ } ⋯
                ⋯).inv).hom
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      colimMap
        (parallelPairHom (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) (X.mul ▷ N.X)
          ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft) ((X.X ⊗ X.X) ◁ f.hom) (X.X ◁ f.hom) ⋯ ⋯) =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      LeftUnitorBimod.hom M ≫ f.hom ≫ LeftUnitorBimod.inv N
tactic: dsimp
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      colimMap
        (parallelPairHom (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) (X.mul ▷ N.X)
          ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft) ((X.X ⊗ X.X) ◁ f.hom) (X.X ◁ f.hom) ⋯ ⋯) =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      LeftUnitorBimod.hom M ≫ f.hom ≫ LeftUnitorBimod.inv N
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      LeftUnitorBimod.hom M ≫ f.hom ≫ LeftUnitorBimod.inv N
tactic: slice_lhs 1 2 => rw [ι_colimMap, parallelPairHom_app_one]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      LeftUnitorBimod.hom M ≫ f.hom ≫ LeftUnitorBimod.inv N
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      coequalizer.desc M.actLeft ⋯ ≫ f.hom ≫ LeftUnitorBimod.inv N
tactic: dsimp [LeftUnitorBimod.hom]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    coequalizer.π (X.mul ▷ M.X) ((α_ X.X X.X M.X).hom ≫ X.X ◁ M.actLeft) ≫
      coequalizer.desc M.actLeft ⋯ ≫ f.hom ≫ LeftUnitorBimod.inv N
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (M.actLeft ≫ f.hom) ≫ LeftUnitorBimod.inv N
tactic: slice_rhs 1 2 => rw [coequalizer.π_desc]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (M.actLeft ≫ f.hom) ≫ LeftUnitorBimod.inv N
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (M.actLeft ≫ f.hom) ≫
      (λ_ N.X).inv ≫ X.one ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: dsimp [LeftUnitorBimod.inv]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (M.actLeft ≫ f.hom) ≫
      (λ_ N.X).inv ≫ X.one ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (((X.X ◁ f.hom ≫ N.actLeft) ≫ (λ_ N.X).inv) ≫ X.one ▷ N.X) ≫
      coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 1 2 => rw [Hom.left_act_hom]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    (((X.X ◁ f.hom ≫ N.actLeft) ≫ (λ_ N.X).inv) ≫ X.one ▷ N.X) ≫
      coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (((λ_ (X.X ⊗ N.X)).inv ≫ 𝟙_ C ◁ N.actLeft) ≫ X.one ▷ N.X) ≫
        coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 2 3 => rw [leftUnitor_inv_naturality]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (((λ_ (X.X ⊗ N.X)).inv ≫ 𝟙_ C ◁ N.actLeft) ≫ X.one ▷ N.X) ≫
        coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (X.one ▷ (X.X ⊗ N.X) ≫ X.X ◁ N.actLeft) ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 3 4 => rw [whisker_exchange]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (X.one ▷ (X.X ⊗ N.X) ≫ X.X ◁ N.actLeft) ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        X.one ▷ (X.X ⊗ N.X) ≫
          ((α_ X.X X.X N.X).inv ≫ (α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft) ≫
            coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 4 4 => rw [← Iso.inv_hom_id_assoc (α_ X.X X.X N.X) (X.X ◁ N.actLeft)]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        X.one ▷ (X.X ⊗ N.X) ≫
          ((α_ X.X X.X N.X).inv ≫ (α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft) ≫
            coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        X.one ▷ (X.X ⊗ N.X) ≫
          (α_ X.X X.X N.X).inv ≫ X.mul ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 5 7 => rw [← Category.assoc, ← coequalizer.condition]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        X.one ▷ (X.X ⊗ N.X) ≫
          (α_ X.X X.X N.X).inv ≫ X.mul ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (((α_ (𝟙_ C) X.X N.X).inv ≫ X.one ▷ X.X ▷ N.X) ≫ X.mul ▷ N.X) ≫
          coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 3 4 => rw [associator_inv_naturality_left]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (((α_ (𝟙_ C) X.X N.X).inv ≫ X.one ▷ X.X ▷ N.X) ≫ X.mul ▷ N.X) ≫
          coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (α_ (𝟙_ C) X.X N.X).inv ≫
          (λ_ X.X).hom ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 4 5 => rw [← comp_whiskerRight, Mon_.one_mul]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (α_ (𝟙_ C) X.X N.X).inv ≫
          (λ_ X.X).hom ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
this : (λ_ (X.X ⊗ N.X)).inv ≫ (α_ (𝟙_ C) X.X N.X).inv ≫ (λ_ X.X).hom ▷ N.X = 𝟙 (X.X ⊗ N.X)
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (α_ (𝟙_ C) X.X N.X).inv ≫
          (λ_ X.X).hom ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: have : (λ_ (X.X ⊗ N.X)).inv ≫ (α_ (𝟙_ C) X.X N.X).inv ≫ ((λ_ X.X).hom ▷ N.X) = 𝟙 _ := by
    coherence
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
this : (λ_ (X.X ⊗ N.X)).inv ≫ (α_ (𝟙_ C) X.X N.X).inv ≫ (λ_ X.X).hom ▷ N.X = 𝟙 (X.X ⊗ N.X)
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫
      (λ_ (X.X ⊗ N.X)).inv ≫
        (α_ (𝟙_ C) X.X N.X).inv ≫
          (λ_ X.X).hom ▷ N.X ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
this : (λ_ (X.X ⊗ N.X)).inv ≫ (α_ (𝟙_ C) X.X N.X).inv ≫ (λ_ X.X).hom ▷ N.X = 𝟙 (X.X ⊗ N.X)
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫ 𝟙 (X.X ⊗ N.X) ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
tactic: slice_rhs 2 4 => rw [this]
state_before: case h.h
C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
A B : Mon_ C
M✝ : Bimod A B
inst✝² : HasCoequalizers C
inst✝¹ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorLeft X)
inst✝ : (X : C) → PreservesColimitsOfSize.{0, 0, v₁, v₁, u₁, u₁} (tensorRight X)
X Y : Mon_ C
M N : Bimod X Y
f : M ⟶ N
this : (λ_ (X.X ⊗ N.X)).inv ≫ (α_ (𝟙_ C) X.X N.X).inv ≫ (λ_ X.X).hom ▷ N.X = 𝟙 (X.X ⊗ N.X)
⊢ X.X ◁ f.hom ≫
      colimit.ι (parallelPair (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)) WalkingParallelPair.one =
    X.X ◁ f.hom ≫ 𝟙 (X.X ⊗ N.X) ≫ coequalizer.π (X.mul ▷ N.X) ((α_ X.X X.X N.X).hom ≫ X.X ◁ N.actLeft)
state_after: no goals
tactic: slice_rhs 1 2 => rw [Category.comp_id]