Theorem im2anan9r 836

Description: Deduction joining nested implications to form implication of conjunctions. (Contributed by NM, 29-Feb-1996.)

Hypotheses

Ref	Expression
im2an9.1
im2an9.2

Assertion

Ref	Expression
im2anan9r

Proof of Theorem im2anan9r

Step	Hyp	Ref	Expression
1		im2an9.1	. . 3
2		im2an9.2	. . 3
3	1, 2	im2anan9 835	. 2
4	3	ancoms 453	1

Syntax hints:  ->wi 4  /\wa 369

This theorem is referenced by:  pssnn  7758  lbreu  10518  catideu  15072  wlkdvspthlem  24609  exidu1  25328  rngoideu  25386

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