_:b663520730 . _:b663520730 . _:b663520730 . _:b663520730 . _:b663520730 "(forall (x) (if (TwoDimensionalSpatialRegion x) (SpatialRegion x))) // axiom label in BFO2 CLIF: [039-001] " . _:b663520730 . _:b663520730 .