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Syntax Definition wxo 1266
Description: Extend wff definition to include exclusive disjunction ('xor').
Hypotheses
Ref Expression
wph  wff  ph
wps  wff  ps
Assertion
Ref Expression
wxo  wff  ( ph  \/_ 
ps )

See definition df-xor 1267 for more information.

Colors of variables: wff set class
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