fact: Definition stn_predicate {n : nat} (P : ⟦n⟧ -> UU) (k : nat) (h h' : k < n) : P (k,,h) -> P (k,,h').
imports: UniMath.Foundations.NaturalNumbers UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.NegativePropositions