MathPHP\SetTheory\SetOperationsTest::testPowerSet PHP Метод

    public function testPowerSet(Set $A, Set $expected)
    {
        $P⟮S⟯ = $A->powerSet();
        $this->assertEquals($expected, $P⟮S⟯);
        $this->assertEquals($expected->asArray(), $P⟮S⟯->asArray());
        $this->assertEquals(count($expected), count($P⟮S⟯));
    }