proposition: Lemma lcmr_mulr a b : lcmr b (a * b) %= a * b.
proof: Proof. by rewrite mulrC lcmr_mull. 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