theorem instCoeDepTypeThreeDimensionalSpatialRegionOfIs._proof_1
theorem instCoeDepTypeThreeDimensionalSpatialRegionOfIs._proof_1: ∀ (x : Type) [qszr71sj.ThreeDimensionalSpatialRegion.Is x], qszr71sj.ThreeDimensionalSpatialRegion.Is x
theorem instCoeDepTypeThreeDimensionalSpatialRegionOfIs._proof_1
theorem instCoeDepTypeThreeDimensionalSpatialRegionOfIs._proof_1: ∀ (x : Type) [qszr71sj.ThreeDimensionalSpatialRegion.Is x], qszr71sj.ThreeDimensionalSpatialRegion.Is x