English
For i, i' with hi: e.f i = i', the i-th component of restrictionMap φ e equals the composition (K.restrictionXIso e hi).hom ≫ φ.f i' ≫ (L.restrictionXIso e hi).inv.
Русский
Для i, i' с hi: e.f i = i', i-й компонент restrictionMap φ e равен (K.restrictionXIso e hi).hom ≫ φ.f i' ≫ (L.restrictionXIso e hi).inv.
LaTeX
$$$$ (restrictionMap φ e).f i = (K.restrictionXIso e hi).hom \circ φ.f i' \circ (L.restrictionXIso e hi).inv $$$$
Lean4
instance [HasZeroMorphisms C] : (e.restrictionFunctor C).PreservesZeroMorphisms where