fact: Definition ooextendable_homotopic {A B : Type} (C : B -> Type) (f : A -> B) {g : A -> B} (p : f == g) : ooExtendableAlong f C -> ooExtendableAlong g C := fun extf n => extendable_homotopic n C f p (extf n).
imports: HoTT.Basics HoTT.Types Equiv.PathSplit PathAny Cubical.DPath Cubical.DPathSquare Colimits.Coeq Colimits.MappingCylinder