fact: Definition monotonic_codom_step_it c t := proj1 (@monotonic_switch_progress (step_it ^~ t) c (monotonic_edom_step_it c t) (monotonic_edges_step_it t)).
imports: mathcomp(all_ssreflect ssralg fingroup zmodp poly ssrnum) mathcomp(matrix perm) ssr_ext ssralg_ext fdist subgraph_partition tanner