proposition: Lemma mul0B n (p: BITS n) : mulB #0 p = #0.
proof: Proof. by rewrite mulBC mulB0. Qed.
imports: HB(structures) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq fintype tuple zmodp div) ssrextra.tuple ssrextra.nat spec spec.properties operations mathcomp(ssralg)