Theorem falanfal 1573

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

Assertion

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

Proof of Theorem falanfal

Step	Hyp	Ref	Expression
1		anidm 567	1 ⊢ ((⊥ ∧ ⊥) ↔ ⊥)

Syntax hints:   ↔ wb 208   ∧ wa 398  ⊥wfal 1549

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 209  df-an 399

This theorem is referenced by: (None)