So again we have a deductively valid argument but it's not deductively valid in actually we're a lot further on in modal logical then we are in deontic logic.

所以我们有一个演绎的有效论点,但是这不是演绎有效的,实际上我们模态逻辑有很多要讲的,然后我们再讲道义逻辑。

youdao

So again we have a deductively valid argument but it's not deductively valid in actually we're a lot further on in modal logical then we are in deontic logic.

所以我们有一个演绎的有效论点,但是这不是演绎有效的,实际上我们模态逻辑有很多要讲的,然后我们再讲道义逻辑。

youdao