辨别有效论证与非有效论证是逻辑哲学的中心任务。

It is the main task for logical philosophy to distinguish the valid arguments from the invalid ones.

youdao

如果想使自己的论证更加有效，你不仅需要考虑在校大学生关于座位的说法，而且还需要考虑为了好座位支付了高额费用的校友们会怎样说。

To make the most effective argument possible, you should consider not only what students would say about seating but also what alumni who have paid a lot to get good seats might say.

youdao

这个论证仍旧可以说得通，像原来一样有效。

And the argument could still then and proceed, as was before.

youdao

And the argument could still then and proceed, as was before.

这个论证仍旧可以说得通，像原来一样有效。

耶鲁公开课 - 死亡课程节选

Now, the argument is valid.

现在,这个论证是有效的

耶鲁公开课 - 死亡课程节选