fact: Definition colFnextD1 l (c : 'cV[letter]_m) n0 m0 : seq letter := ColFnext l c (`F n0 :\ m0).
imports: mathcomp(all_ssreflect ssralg fingroup finalg perm zmodp) mathcomp(matrix) ssr_ext ssralg_ext num_occ f2 ssrR hamming tanner linearcode