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Syntax Definition wrex 2517
Description: Extend wff notation to include restricted existential quantification.
Hypotheses
Ref Expression
wph  wff  ph
vx  set  x
cA  class  A
Assertion
Ref Expression
wrex  wff  E. x  e.  A  ph

See definition df-rex 2522 for more information.

Colors of variables: wff set class
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