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Theorem falortru 1339
Description: A  \/ identity. (Contributed by Anthony Hart, 22-Oct-2010.)
Assertion
Ref Expression
falortru  |-  ( ( F.  \/ T.  )  <-> T.  )

Proof of Theorem falortru
StepHypRef Expression
1 tru 1289 . . 3  |- T.
21olci 684 . 2  |-  ( F.  \/ T.  )
32bitru 1297 1  |-  ( ( F.  \/ T.  )  <-> T.  )
Colors of variables: wff set class
Syntax hints:    <-> wb 103    \/ wo 662   T. wtru 1286   F. wfal 1290
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 663
This theorem depends on definitions:  df-bi 115  df-tru 1288
This theorem is referenced by:  falxortru  1353
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