theorem instCoeTwoDimensionalSpatialRegionSpatialRegion._proof_1
theorem instCoeTwoDimensionalSpatialRegionSpatialRegion._proof_1: ∀ (v : d4qbfhxh.TwoDimensionalSpatialRegion), d4qbfhxh.SpatialRegion.Is (Subtype.val v)
theorem instCoeTwoDimensionalSpatialRegionSpatialRegion._proof_1
theorem instCoeTwoDimensionalSpatialRegionSpatialRegion._proof_1: ∀ (v : d4qbfhxh.TwoDimensionalSpatialRegion), d4qbfhxh.SpatialRegion.Is (Subtype.val v)