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Theorem truantru 1401
Description: A  /\ identity. (Contributed by Anthony Hart, 22-Oct-2010.)
Assertion
Ref Expression
truantru  |-  ( ( T.  /\ T.  )  <-> T.  )

Proof of Theorem truantru
StepHypRef Expression
1 anidm 396 1  |-  ( ( T.  /\ T.  )  <-> T.  )
Colors of variables: wff set class
Syntax hints:    /\ wa 104    <-> wb 105   T. wtru 1354
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117
This theorem is referenced by: (None)
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