proposition: Lemma dvdr_mull_l b a : b != 0 -> (b * a %| b) = (a %= 1).
proof: Proof. by move=> b0; rewrite mulrC dvdr_mulr_l. 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