proposition: Lemma num_lt_minl a x y : Num.min x%:num y%:num < a = (x%:num < a) || (y%:num < a).
proof: Proof. by rewrite -comparable_lt_minl// real_comparable. Qed.
imports: HB(structures) Coq(ssreflect ssrfun ssrbool) mathcomp(ssrnat eqtype choice order ssralg ssrnum ssrint) mathcomp(mathcomp_extra)