proposition: Lemma mulr_lcml a b c : lcmr a b * c %= lcmr (a * c) (b * c).
proof: Proof. by rewrite ![_ * c]mulrC mulr_lcmr. Qed.
imports: HB(structures) Coq(ssreflect ssrfun ssrbool Arith.Wf_nat) mathcomp(eqtype ssrnat div seq path) mathcomp(ssralg fintype perm tuple choice generic_quotient) mathcomp(matrix bigop zmodp mxalgebra poly) stronglydiscrete