| come on, Doc Hua, u commit |
| 送交者: 空军大院 2009月04月24日09:01:01 于 [教育学术] 发送悄悄话 |
| 回 答: that's not a definition 由 要饭花子 于 2009-04-24 08:53:49 |
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the same felony again! i am defining a necessary condition here! Euclid can define a "point" as having no parts, right? Can you tell him that "you did not say if the point has no lines in it either", can you?
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