proposition: Lemma divr_mulKl a b : b != 0 -> (a * b) %/ b = a.
proof: Proof. by rewrite mulrC; apply: divr_mulKr. 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