theorem BFO.ZeroDimensionalSpatialRegion.Is.toParent
theorem BFO.ZeroDimensionalSpatialRegion.Is.toParent: ∀ (x : Type) [Is x], SpatialRegion.Is x
theorem BFO.ZeroDimensionalSpatialRegion.Is.toParent
theorem BFO.ZeroDimensionalSpatialRegion.Is.toParent: ∀ (x : Type) [Is x], SpatialRegion.Is x