Theorem 19.33 1695

Description: Theorem 19.33 of [Margaris] p. 90. (Contributed by NM, 12-Mar-1993.)

Assertion

Ref	Expression
19.33

Proof of Theorem 19.33

Step	Hyp	Ref	Expression
1		orc 385	. . 3
2	1	alimi 1633	. 2
3		olc 384	. . 3
4	3	alimi 1633	. 2
5	2, 4	jaoi 379	1

Syntax hints:  ->wi 4  \/wo 368  A.wal 1393

This theorem is referenced by:  19.33b  1696

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631

This theorem depends on definitions:  df-bi 185  df-or 370