theorem instCoeThreeDimensionalSpatialRegionSpatialRegion._proof_1
theorem instCoeThreeDimensionalSpatialRegionSpatialRegion._proof_1: ∀ (v : d4qbfhxh.ThreeDimensionalSpatialRegion), d4qbfhxh.SpatialRegion.Is (Subtype.val v)
theorem instCoeThreeDimensionalSpatialRegionSpatialRegion._proof_1
theorem instCoeThreeDimensionalSpatialRegionSpatialRegion._proof_1: ∀ (v : d4qbfhxh.ThreeDimensionalSpatialRegion), d4qbfhxh.SpatialRegion.Is (Subtype.val v)