Theorem stoic1b 1606

Description: Stoic logic Thema 1 (part b). The other part of thema 1 of Stoic logic; see stoic1a 1605. (Contributed by David A. Wheeler, 16-Feb-2019.)

Hypothesis

Ref	Expression
stoic1.1

Assertion

Ref	Expression
stoic1b

Proof of Theorem stoic1b

Step	Hyp	Ref	Expression
1		stoic1.1	. . 3
2	1	ancoms 453	. 2
3	2	stoic1a 1605	1

Syntax hints:  -.wn 3  ->wi 4  /\wa 369

This theorem is referenced by:  hashdomi  12448  hfext  29840

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-or 370  df-an 371