Theorem truantru

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

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

Proof

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