fact: Definition step_conodes : hemi_comp_graph port := let cn := conodes c in if Bool.bool_dec step_trivIset true is left H then if step_cond then Build_hemi_comp_graph H step_coborder else cn else cn.
imports: mathcomp(all_ssreflect ssralg fingroup zmodp poly ssrnum) mathcomp(matrix perm) ssr_ext ssralg_ext fdist subgraph_partition tanner