def test_symbol_imaginary():
    a = Symbol('a', imaginary=True)

    assert a.is_real is False
    assert a.is_integer is False
    assert a.is_negative is False
    assert a.is_positive is False
    assert a.is_nonnegative is False
    assert a.is_nonpositive is False
    assert a.is_zero is False
    assert a.is_nonzero >= False  # since nonzero -> real
dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_assumptions.py/test_symbol_imaginary/operator `is` -> `>=`