proposition: Lemma isinclstntonat ( n : nat ) : isincl ( stntonat n ).
proof: Proof. intro. use isinclpr1. intro x. apply ( pr2 ( natlth x n ) ). Defined.
imports: UniMath.Foundations.NaturalNumbers UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.NegativePropositions