Theorem truanfal

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

	Ref	Expression
Assertion	truanfal	⊢ ( ( ⊤ ∧ ⊥ ) ↔ ⊥ )

Proof

Step	Hyp	Ref	Expression
1		truan	⊢ ( ( ⊤ ∧ ⊥ ) ↔ ⊥ )