case h
C : Type u
inst✝² : Category C
I : MulticospanIndex C
K : Multifork I
inst✝¹ : HasProduct I.left
inst✝ : HasProduct I.right
b✝ : I.R
⊢ (Pi.lift (ι K) ≫ MulticospanIndex.fstPiMap I) ≫ Pi.π I.right b✝ =
    (Pi.lift (ι K) ≫ MulticospanIndex.sndPiMap I) ≫ Pi.π I.right b✝
C : Type u
inst✝² : Category C
I : MulticospanIndex C
K : Multifork I
inst✝¹ : HasProduct I.left
inst✝ : HasProduct I.right
⊢ Pi.lift (ι K) ≫ MulticospanIndex.fstPiMap I = Pi.lift (ι K) ≫ MulticospanIndex.sndPiMap I
ext
no goals
case h
C : Type u
inst✝² : Category C
I : MulticospanIndex C
K : Multifork I
inst✝¹ : HasProduct I.left
inst✝ : HasProduct I.right
b✝ : I.R
⊢ (Pi.lift (ι K) ≫ MulticospanIndex.fstPiMap I) ≫ Pi.π I.right b✝ =
    (Pi.lift (ι K) ≫ MulticospanIndex.sndPiMap I) ≫ Pi.π I.right b✝
simp