1、 Validity is an interest to logicians because validity preserves truth.
有效性是逻辑学家的兴趣,因为有效性保存真理。
来源:
2、 Ok, I am not going to say what I was there, right Logicians study education by studying valid arguments forms.
好,我将要说我在这里是什么,逻辑学家通过研究有效的论点形式来研究教育。
来源: