fact: Definition weqfibtototal_comp {X} (P Q:X->Type) (f:∏ x:X, (P x) ≃ (Q x)) : invmap (weqfibtototal P Q f) = funfibtototal Q P (λ x, invmap (f x)).
imports: UniMath.Foundations.All UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Equivalences