proposition: Lemma addr_minr : @right_distributive R R +%R min.
proof: Proof. by move=> x y z; apply: real_addr_minr. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(ssrAC div fintype path bigop order finset fingroup) mathcomp(ssralg poly)