Theorem rsp2eOLD 2917

Description: Obsolete proof of rsp2e 2916 as of 7-Jan-2020. (Contributed by FL, 4-Jun-2012.) (Proof modification is discouraged.) (New usage is discouraged.)

Assertion

Ref	Expression
rsp2eOLD

Proof of Theorem rsp2eOLD

Step	Hyp	Ref	Expression
1		simp1 996	. . 3
2		rspe 2915	. . . 4
3	2	3adant1 1014	. . 3
4		19.8a 1857	. . 3
5	1, 3, 4	syl2anc 661	. 2
6		df-rex 2813	. 2
7	5, 6	sylibr 212	1

Syntax hints:  ->wi 4  /\wa 369  /\w3a 973  E.wex 1612  e.wcel 1818  E.wrex 2808

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-5 1704  ax-6 1747  ax-7 1790  ax-12 1854

This theorem depends on definitions:  df-bi 185  df-an 371  df-3an 975  df-ex 1613  df-rex 2813