Originally posted by 康bb at 2007-8-8 06:13 PM:
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sorry..小弟見識小

Originally posted by 水仙 at 2007-8-8 08:11 PM:- K8 Y6 k% c8 F1 u. s

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' j+ Q$ d* o6 q$ I* |可唔可以簡潔地解釋

Originally posted by d228216 at 2007/8/8 20:16:
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排中律大約解「邏輯」