proposition: Lemma comparable_eq_minr : (min x y == y) = (y <= x).
proof: Proof. by rewrite !(fun_if, if_arg) eqxx; case: comparableP cmp_xy. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(path fintype tuple bigop finset div prime finfun) mathcomp(finset)