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Syntax Definition wrex 2750
Description: Extend wff notation to include restricted existential quantification.
Ref Expression
wph  wff  ph
vx  setvar  x
cA  class  A
Ref Expression
wrex  wff  E. x  e.  A  ph

See definition df-rex 2755 for more information.

Colors of variables: wff setvar class
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