咋定义地主? 咋定义赚大钱??
只要两个同时定义清楚,前提就不成立了。。。。。
明显在故意模糊。。。。。
不知道现在老师都咋在教学生,误人子弟啊。。。。。。
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形式逻辑是指前提假设成立,不关心内容是什么。
-big-guy-
♂
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01/30/2014 postreply
14:07:19
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