proposition: Lemma lcmr_mul2r a b c : lcmr (a * c) (b * c) %= lcmr a b * c.
proof: Proof. by rewrite eqd_sym mulr_lcml. 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