fact: Definition isofnelweqf {X Y : UU} {n : nat} (w : X ≃ Y) (sx : isofnel n X) : isofnel n Y := hinhfun (nelstructweqf w) sx.
imports: UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.NegativePropositions UniMath.Combinatorics.StandardFiniteSets UniMath.MoreFoundations.Subtypes