fact: Definition isfiniteweq {X : UU} (sx : isfinite X) : isfinite (X ≃ X) := hinhfun finstructonweq sx.
imports: UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.NegativePropositions UniMath.Combinatorics.StandardFiniteSets UniMath.MoreFoundations.Subtypes