Theorem falanfal 1509

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

Assertion

Ref	Expression
falanfal	⊢ ((⊥ ∧ ⊥) ↔ ⊥)

Proof of Theorem falanfal

Step	Hyp	Ref	Expression
1		anidm 676	1 ⊢ ((⊥ ∧ ⊥) ↔ ⊥)

Syntax hints:   ↔ wb 196   ∧ wa 384  ⊥wfal 1488

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 197  df-an 386

This theorem is referenced by: (None)