proposition: Lemma bitsFromInt32K: cancel bitsFromInt32 bitsToInt32.
proof: Proof. apply: inj_can_sym; auto using bitsToInt32K, bitsFromInt32_inj. Qed.
imports: Coq(ZArith.ZArith Extraction) mathcomp.ssreflect.ssreflect mathcomp(ssrbool eqtype ssrnat seq fintype ssrfun tuple) Bits(bits)