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Theorem truantru 1393
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 644 1  |-  ( ( T.  /\ T.  )  <-> T.  )
Colors of variables: wff setvar class
Syntax hints:    <-> wb 184    /\ wa 369   T. wtru 1370
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 185  df-an 371
This theorem is referenced by: (None)
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