Difference between revisions of "Dual"
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Latest revision as of 16:07, 28 September 2008
A dual of a logical statement is a sort of inversion of the statement.
Rigorous definition
Consider a logic statement . For each individual element or operator in
, we replace:
Such a statement is the dual of the statement. An interesting fact of logic is that if a logical statement is true, then its dual is true.
See Also
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