_:b663913994 . _:b663913994 . _:b663913994 . _:b663913994 "(forall (x) (if (TwoDimensionalSpatialRegion x) (SpatialRegion x))) // axiom label in BFO2 CLIF: [039-001] " . _:b663913994 . _:b663913994 . _:b663913994 .