• 2022-05-30
    用真值表判断公式的类型。即它们是不是永真式,永假式或可满足式[tex=7.643x1.357]lLdqtWZbDKBB00+/Mljt2N/4d67cqyMoqRByymdPjoAo1u3hw5yhws4FG9XSkNIuRsUd88BSIYGNU+gSroeP7r5usCAFaRfWlV44poq5N6Y=[/tex]