fact: Record ucycle_plain_quasicubic_connected : Prop := UcyclePlainQuasicubicConnected { ucycle_plain_quasicubic_connected_base :> ucycle_plain_quasicubic; ucycle_plain_quasicubic_connected_is_connected :> connected G }.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype path fingraph) fourcolor(hypermap jordan)