proposition: Lemma odivr_mul2r a b c : a != 0 -> b != 0 -> b * a %/? (c * a) = (b %/? c).
proof: Proof. by move=> a0 b0; rewrite mulrC [_ * a]mulrC odivr_mul2l. 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