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有人知道如何找到以下 ( Boolean Algebra) 的对偶吗?
Boolean Algebra
p*(q+r')
where*代表AND,+代表OR,'代表NOT.
*
AND
+
OR
'
NOT
我有以下内容,但不正确:
p + (qr')
not a and not b => not (a or b) 这里 a = p', b = (q+r')' = (q'r)。因此 p*(q+r') = (p'+q'r)'