Theorem truthtblfandf-P4.37d 502

Description: ( F ∧ F ) ⇔ F. †

Assertion

Ref	Expression
truthtblfandf-P4.37d	⊢ ((⊥ ∧ ⊥) ↔ ⊥)

Proof of Theorem truthtblfandf-P4.37d

Step	Hyp	Ref	Expression
1		idempotand-P4.25a 450	1 ⊢ ((⊥ ∧ ⊥) ↔ ⊥)

Syntax hints:   ↔ wff-bi 104   ∧ wff-and 132  ⊥wff-false 157

This theorem was proved from axioms:  ax-L1 11  ax-L2 12  ax-L3 13  ax-MP 14

This theorem depends on definitions:  df-bi-D2.1 107  df-and-D2.2 133  df-true-D2.4 155

This theorem is referenced by: (None)