MathPHP\SetTheory\SetOperationsTest::dataProviderForIsNotSubset PHP Method

    public function dataProviderForIsNotSubset()
    {
        return [[[1], []], [[1, 2], [1]], [[1, 2, 3], [1, 2]], [[1, 2, 3, 4], [1, 2, 3]], [[1, 2, 'b'], [1, 2, 3, 'a', 4.5, new Set([1, 2])]], [[1, 2, 3, 'a', 4.5, new Set([1, 2])], [1, 2, 'a', new Set([1, 2])]], [[1, 2, 3, 'a', 4.5, new Set([1, 2]), -1, -2, 2.4, 3.5], [1, 2, 'a', new Set([1, 2]), -1, 2.4]]];
    }