fact: Definition isofneluniv {n : nat} {X : UU} (P : hProp) : ((nelstruct n X) -> P) -> (isofnel n X -> P).
imports: UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.NegativePropositions UniMath.Combinatorics.StandardFiniteSets UniMath.MoreFoundations.Subtypes