fact: Definition inporbits s : {perm T} -> {perm {set T}} := restr_perm (porbits s) \o actperm 'P^*.
imports: mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq fintype) mathcomp(tuple path bigop finset div) mathcomp(fingroup perm action gproduct morphism) tools partition permcomp cycles cycletype