proposition: Lemma eqdr0 a : (a %= 0) = (a == 0).
proof: Proof. by rewrite eqd_def dvdr0 dvd0r. 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