fact: Variables (n : nat) (C : {vspace 'rV[A]_n}).
imports: mathcomp(all_ssreflect ssralg ssrnum fingroup finalg perm) mathcomp(zmodp matrix vector order) mathcomp(lra mathcomp_extra Rstruct reals) Reals ssrR realType_ext Reals_ext ssr_ext ssralg_ext f2 fdist proba channel_code channel binary_symmetric_channel hamming pproba