fact: Definition hfiber_pullback_along_pointed {A B C} {c : C} {a : A} (g : C -> A) (f : B -> A) (p : g c = a) : hfiber (g ^*' f) c <~> hfiber f a.
imports: HoTT.Basics HoTT.Types HFiber PathAny Cubical.PathSquare Diagrams.CommutativeSquares