fact: Definition kfinstruct_union {I X : UU} (index : I → hsubtype X) (g : kfinstruct I) (index_finite : ∏ (i : I), kfinstruct (index i)) : kfinstruct (⋃ index).
imports: UniMath.Foundations.Propositions UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Notations UniMath.Combinatorics.FiniteSets UniMath.Combinatorics.StandardFiniteSets UniMath.MoreFoundations.Subtypes UniMath.Combinatorics.KFiniteTypes