Theorem falortru 1298

Description: A \/ identity. (Contributed by Anthony Hart, 22-Oct-2010.)

Assertion

Ref	Expression
falortru	|- ( ( F. \/ T. ) <-> T. )

Proof of Theorem falortru

Step	Hyp	Ref	Expression
1		tru 1247	. . 3 |- T.
2	1	olci 651	. 2 |- ( F. \/ T. )
3	2	bitru 1255	1 |- ( ( F. \/ T. ) <-> T. )

Syntax hints:   <-> wb 98   \/ wo 629   T. wtru 1244   F. wfal 1248

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 630

This theorem depends on definitions:  df-bi 110  df-tru 1246

This theorem is referenced by:  falxortru  1312