MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  wex Structured version   Visualization version   GIF version

Syntax Definition wex 1692
Description: Extend wff definition to include the existential quantifier ("there exists").
Hypotheses
Ref Expression
wph wff 𝜑
vx setvar 𝑥
Assertion
Ref Expression
wex wff 𝑥𝜑

See definition df-ex 1693 for more information.

Colors of variables: wff setvar class
  Copyright terms: Public domain W3C validator