fact: Record scycle_planar_bridgeless_plain_quasicubic_connected : Prop := ScyclePlanarBridgelessPlainQuasicubicConnected { scycle_planar_bridgeless_plain_quasicubic_connected_base :> ucycle_plain_quasicubic_connected; scycle_planar_bridgeless_plain_quasicubic_connected_is_simple : simple r; scycle_planar_bridgeless_plain_quasicubic_connected_is_planar :> planar G; scycle_planar_bridgeless_plain_quasicubic_connected_is_bridgeless :> bridgeless G }.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype path fingraph) fourcolor(hypermap jordan)