falorfal - Metamath Proof Explorer

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Theorem falorfal 1513

Description: A $\/$ identity. (Contributed by Anthony Hart, 22-Oct-2010.) (Proof shortened by Andrew Salmon, 13-May-2011.)

**Assertion**
Ref	Expression
falorfal	$\/$

**Proof of Theorem falorfal**
Step	Hyp	Ref	Expression
1		oridm 536	1 $\/$

Colors of variables: wff setvar class

Syntax hints:

wb 196 $\/$ wo 383

wfal 1488

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8

This theorem depends on definitions: df-bi 197 df-or 385

This theorem is referenced by: (None)