HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
GIF version

Syntax Definition wrex 1638
Description: Extend wff notation to include restricted existential quantification.
Hypotheses
Ref Expression
wph wff φ
vx set x
cA class A
Assertion
Ref Expression
wrex wff xA φ

See definition df-rex 1642 for more information.

Colors of variables: wff set class
Copyright terms: Public domain