fact: Definition toforallpaths_funextsec_comp {T : UU} {P : T -> UU} (f g : ∏ t, P t) : toforallpaths P f g ∘ funextsec P f g = idfun _.
imports: UniMath.Foundations.PartD UniMath.Foundations.UnivalenceAxiom UniMath.MoreFoundations.PartA