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Syntax Definition wrex 2417
Description: Extend wff notation to include restricted existential quantification.
Ref Expression
wph wff 𝜑
vx setvar 𝑥
cA class 𝐴
Ref Expression
wrex wff 𝑥𝐴 𝜑

See definition df-rex 2422 for more information.

Colors of variables: wff set class
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