theorem instCoeDepTypeTwoDimensionalSpatialRegionOfIs._proof_1
theorem instCoeDepTypeTwoDimensionalSpatialRegionOfIs._proof_1: ∀ (x : Type) [qszr71sj.TwoDimensionalSpatialRegion.Is x], qszr71sj.TwoDimensionalSpatialRegion.Is x
theorem instCoeDepTypeTwoDimensionalSpatialRegionOfIs._proof_1
theorem instCoeDepTypeTwoDimensionalSpatialRegionOfIs._proof_1: ∀ (x : Type) [qszr71sj.TwoDimensionalSpatialRegion.Is x], qszr71sj.TwoDimensionalSpatialRegion.Is x