proposition: Lemma freeon_comb_dprojs_V d t n0 : freeon (setT :\ n0) d (comb_V d n0 (dprojs_V d n0 t)).
proof: Proof. rewrite -freeon_all comb_dprojs_V_not_in_partition // => m0; by rewrite in_setD1 eqxx. Qed.
imports: mathcomp(all_ssreflect ssralg fingroup finalg zmodp matrix) Reals mathcomp(Rstruct) ssr_ext ssralg_ext ssrR Reals_ext f2 summary subgraph_partition tanner tanner_partition fdist channel checksum