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三个符号说明三个问题

Posted by 11119999 at 2006-08-19 18:41:12 on Problem 1013
‘=’说明所称得东西都是真得;
 ‘<' 说明假的东西一定在这里,其他都是真的。同时曾经轻的东西如果现在又重,那么它也是真的。
  '>' 同上。
最后就推出来了。
  

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