theorem instCoeSpatialRegionImmaterialEntity._proof_1
theorem instCoeSpatialRegionImmaterialEntity._proof_1: ∀ (v : qszr71sj.SpatialRegion), qszr71sj.ImmaterialEntity.Is (Subtype.val v)
theorem instCoeSpatialRegionImmaterialEntity._proof_1
theorem instCoeSpatialRegionImmaterialEntity._proof_1: ∀ (v : qszr71sj.SpatialRegion), qszr71sj.ImmaterialEntity.Is (Subtype.val v)