universe constraint Type[0] ≤ CProp[0].
universe constraint CProp[0] ≤ Type[0].
universe constraint Type[1] ≤ CProp[1].
universe constraint CProp[1] ≤ Type[1].
universe constraint Type[0] ≤ CProp[0].
universe constraint CProp[0] ≤ Type[0].
universe constraint Type[1] ≤ CProp[1].
universe constraint CProp[1] ≤ Type[1].