wnan - Metamath Proof Explorer

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

Syntax Definition wnan 1447

Description: Extend wff definition to include alternative denial ('nand').

**Hypotheses**
Ref	Expression
wph
wps

**Assertion**
Ref	Expression
wnan	$-/\$

See definition df-nan 1448 for more information.

Colors of variables: wff setvar class