proposition: Lemma min_idPr x y : reflect (min x y = y) (y <= x).
proof: Proof. exact: comparable_min_idPr. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(path fintype tuple bigop finset div prime finfun) mathcomp(finset)