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