proposition: Lemma max_minr : right_distributive (max : T -> T -> T) min.
proof: Proof. by move=> x y z; apply: comparable_max_minr. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(path fintype tuple bigop finset div prime finfun) mathcomp(finset)