Theorem 19.39 1757

Description: Theorem 19.39 of [Margaris] p. 90. (Contributed by NM, 12-Mar-1993.)

Assertion

Ref	Expression
19.39

Proof of Theorem 19.39

Step	Hyp	Ref	Expression
1		19.2 1751	. . 3
2	1	imim1i 58	. 2
3		19.35 1687	. 2
4	2, 3	sylibr 212	1

Syntax hints:  ->wi 4  A.wal 1393  E.wex 1612

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-6 1747

This theorem depends on definitions:  df-bi 185  df-ex 1613