weu - New Foundations Explorer

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

Syntax Definition weu 2204

Description: Extend wff definition to include existential uniqueness ("there exists a unique

such that

").

**Hypotheses**
Ref	Expression
wph
vx

**Assertion**
Ref	Expression
weu

See definition df-eu 2208 for more information.

Colors of variables: wff setvar class