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Syntax Definition wxo 1304
Description: Extend wff definition to include exclusive disjunction ('xor').
Hypotheses
Ref Expression
wph wff φ
wps wff ψ
Assertion
Ref Expression
wxo wff (φ ⊻ ψ)
See definition df-xor 1305 for more information.
Colors of variables: wff setvar class
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