fact: Definition ssgraph m0 n0 n1 := [set n2 | (n1 \in 'V m0 :\ n0) && [exists m1, (m1 \in `F n1 :\ m0) && (n2 \in `V(m1, n1))]].
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