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Three-Valued Logic


A logical structure which does not assume the law of the excluded middle. Three truth values are possible: true, false, or undecided. There are 3072 such logics.


See also

Fuzzy Logic, Law of the Excluded Middle, Logic

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Cite this as:

Weisstein, Eric W. "Three-Valued Logic." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Three-ValuedLogic.html

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