Theorem truantru 1572

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

Assertion

Ref	Expression
truantru	⊢ ((⊤ ∧ ⊤) ↔ ⊤)

Proof of Theorem truantru

Step	Hyp	Ref	Expression
1		anidm 564	1 ⊢ ((⊤ ∧ ⊤) ↔ ⊤)

Syntax hints:   ↔ wb 205   ∧ wa 395  ⊤wtru 1540

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 206  df-an 396

This theorem is referenced by: (None)