proposition: Corollary dropmsb_joinmsb n b (p:BITS n) : dropmsb (joinmsb (b, p)) = p.
proof: Proof. by rewrite /dropmsb joinmsbK. Qed.
imports: Coq(ZArith.ZArith) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq fintype tuple div zmodp ssralg) ssrextra.nat ssrextra.tuple spec.spec