wex - New Foundations Explorer

	New Foundations Explorer		< Previous Next > Nearby theorems
Mirrors > Home > NFE Home > Th. List > wex		Unicode version

Syntax Definition wex 1541

Description: Extend wff definition to include the existential quantifier ("there exists").

**Hypotheses**
Ref	Expression
wph
vx

**Assertion**
Ref	Expression
wex

See definition df-ex 1542 for more information.

Colors of variables: wff setvar class