送交者: 008 于 2005-4-20, 20:39:34:
回答: “考试悖论”的幼儿园解释 由 甄上瘾 于 2005-4-20, 16:57:48:
Let's say I were the teacher and I arranged the exam at Wednesday. I will not violate any of these two constraints:
条件一、下周要对你们考试；
I did
条件二、到底哪天考试，你们事先不可能知道。
Nobody knew the exam would be on Wednesday until then.