print('sq6:', sq6)
print('sq6 simplified:', sq6.sample())
print()
-print(universe.project_out([x]))
-print('sq7 with out constraints involving y and a', sq7.project_out([a, z, x, y])) #drops dims that are passed
+print(universe.project([x]))
+print('sq7 with out constraints involving y and a', sq7.project([a, z, x, y])) #drops dims that are passed
print()
print('sq1 has {} parameters'.format(sq1.num_parameters()))
print()