proposition: Lemma C_not_empty : {c0 | c0 \in [set cw in Hamming.code m]}.
proof: Proof. exists 0; by rewrite inE mem0v. Qed.
imports: mathcomp(all_ssreflect ssralg fingroup finalg perm zmodp) mathcomp(matrix mxalgebra vector) mathcomp(Rstruct) realType_ext ssr_ext ssralg_ext f2 linearcode natbin ssrR hamming bigop_ext fdist proba channel channel_code decoding binary_symmetric_channel