def test_three(self): a = predicats.eq(0) b = predicats.pred(a) assert b([]) is False
def test_four(self): a = predicats.eq(0) b = predicats.pred(a) assert b(0) is True
def test_two(self): a = predicats.eq(0) assert a(10) is False
def test_three(self): a = predicats.eq(0) assert a(-10) is False
def test_one(self): a = predicats.eq(0) assert a(0) is True
def test_four(self): a = predicats.gt(0) b = predicats.eq(2) c = a | b assert ~~c(1) is True
def test_three(self): a = predicats.eq(0) b = predicats.gt(10) c = a | b assert ~c(-1) is True
def test_four(self): a = predicats.gt(0) b = predicats.eq(2) c = a & b assert c(2) is True
def test_three(self): a = predicats.eq(0) b = predicats.gt(10) c = a & b assert c(-1) is False