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Theorem truantru 1496
Description: A identity. (Contributed by Anthony Hart, 22-Oct-2010.)
Assertion
Ref Expression
truantru ((⊤ ∧ ⊤) ↔ ⊤)

Proof of Theorem truantru
StepHypRef Expression
1 anidm 673 1 ((⊤ ∧ ⊤) ↔ ⊤)
Colors of variables: wff setvar class
Syntax hints:  wb 194  wa 382  wtru 1475
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 195  df-an 384
This theorem is referenced by: (None)
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