You're still wrong. if NOT is allowed, there are at least 12 for 2

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送交者: james_hussein_bond 于 2008-04-30, 10:54:38:

回答: the question wasnt well defined. now it is. big deal. 由 Enlighten 于 2008-04-30, 10:49:34:

A, !A, B, !B, A&B, (!A)&B, A&!B, !(A&B), A|B, (!A)|B, A|!B, !(A|B)

Of course there are more (but equivalent ones) if you allow NOT to repeat.



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  • everything must be in A or B or C. (无内容) - Enlighten (0 bytes) 2008-04-30, 11:08:03 (222516)