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Exclusive disjunction

From Encyclopedia of Mathematics
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One of the logical connectives. The proposition $A\dot\lor B$, obtained from two propositions $A$ and $B$ using the exclusive disjunction $\dot\lor$, is taken to be true if $A$ is true and $B$ is false, or if $A$ is false and $B$ is true. In the remaining cases it is taken to be false. Thus, the exclusive disjunction can be expressed in terms of the ordinary (non-exclusive) disjunction by the formula

$$A\dot\lor B\Leftrightarrow(A\lor B)\&\neg(A\land B).$$

How to Cite This Entry:
Exclusive disjunction. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Exclusive_disjunction&oldid=11329
This article was adapted from an original article by V.N. Grishin (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article