fact: Definition issurjective_kfinstruct {X : UU} (f : kfinstruct X) : issurjective f := pr22 f.
imports: UniMath.Foundations.Propositions UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Notations UniMath.Combinatorics.FiniteSets UniMath.Combinatorics.StandardFiniteSets