fact: Definition dproj_V m0 n0 (d t : 'rV['F_2]_n) := dproj d ('V(m0, n0) :\ n0) t.
imports: mathcomp(all_ssreflect ssralg fingroup finalg perm zmodp) mathcomp(matrix vector ssrnum) Reals Lra mathcomp(Rstruct) ssrR Reals_ext realType_ext ssr_ext ssralg_ext num_occ bigop_ext fdist channel pproba f2 linearcode subgraph_partition tanner tanner_partition hamming binary_symmetric_channel decoding channel_code summary checksum summary_tanner