+ putStr "prop_four_cwx_is_identity... "
+ quickCheckWith qc_args prop_four_cwx_is_identity
+
+ putStr "prop_four_ccwx_is_identity... "
+ quickCheckWith qc_args prop_four_ccwx_is_identity
+
+ putStr "prop_four_cwy_is_identity... "
+ quickCheckWith qc_args prop_four_cwy_is_identity
+
+ putStr "prop_four_ccwy_is_identity... "
+ quickCheckWith qc_args prop_four_ccwy_is_identity
+
+ putStr "prop_four_cwz_is_identity... "
+ quickCheckWith qc_args prop_four_cwz_is_identity
+
+ putStr "prop_four_ccwz_is_identity... "
+ quickCheckWith qc_args prop_four_ccwz_is_identity
+