fact: Definition fibseqhf {X Y Z : UU} (f : X -> Y) (g : Y -> Z) (z : Z) (ye : hfiber g z) : fibseqstr (hfibersftogf f g z ye) (hfibersgftog f g z) ye := make_fibseqstr _ _ _ _ (isweqezmaphf f g z ye).
imports: UniMath.Foundations.Preamble