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In Boolean algebra, the logical relations are realized by logics

. Besides the conjunction

, the logical and-connection, there is the disjunction

, thelogical or-connection

, the negation

, theinversion of the logical state and the antivalence. The latter is called anticoincidence in English, expressing that the logical states are not coincident.

XOR-gate, value table and switch symbol

XOR-gate, value table and switch symbol

The logic function of antivalence is fulfilled by the XOR-gate. The output has the state "1" if all inputs are different, i.e. not coincident. The output is "0" if all inputs are the same.

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Englisch: anticoincidence
Updated at: 20.02.2009
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