def test_universal_set(): X = UniversalSet() Z = Integers() # __contains assert None in X assert 1 in X # Contains_set assert X.contains_set(X) assert X.contains_set(Z) assert not X.contains_set(1) # __eq__ assert X == X assert X != Z # element assert X.element() is None assert X.element(1) == 1
def __init__(self): """Initialize a new instance.""" LinearSpace.__init__(self, field=UniversalSet())
def __init__(self): """Initialize a new instance.""" super(UniversalSpace, self).__init__(field=UniversalSet())
def __init__(self): """Initialize a universal space.""" LinearSpace.__init__(self, field=UniversalSet())