proposition: Lemma pair_lt_nn a: (a < a) = false.
proof: Proof. by rewrite /pair_lt mulnC ltnn. Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq choice fintype order bigop ssralg) mathcomp(div ssrnum ssrint rat prime path binomial) mathcomp(tuple finset) gaia(fibm)