Theorem anclb 547

Description: Conjoin antecedent to left of consequent. Theorem *4.7 of [WhiteheadRussell] p. 120. (Contributed by NM, 25-Jul-1999.) (Proof shortened by Wolf Lammen, 24-Mar-2013.)

Assertion

Ref	Expression
anclb

Proof of Theorem anclb

Step	Hyp	Ref	Expression
1		ibar 504	. 2
2	1	pm5.74i 245	1

Syntax hints:  ->wi 4  <->wb 184  /\wa 369

This theorem is referenced by:  pm4.71  630  difin  3734  bnj1021  34022  dihglblem6  37067

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 185  df-an 371