Theorem aevOLD 2062

Description: Obsolete proof of aev 1943 as of 30-Nov-2019. (Contributed by NM, 8-Nov-2006.) (Revised by Wolf Lammen, 7-Sep-2018.) (Proof modification is discouraged.) (New usage is discouraged.)

Assertion

Ref	Expression
aevOLD

Distinct variable group:   ,

Proof of Theorem aevOLD

Dummy variable is distinct from all other variables.

Step	Hyp	Ref	Expression
1		aevlem1 1939	. . 3
2		ax-7 1790	. . . 4
3	2	spimv 2009	. . 3
4	1, 3	syl 16	. 2
5		axc16g 1940	. 2
6	4, 5	mpd 15	1

Syntax hints:  ->wi 4  A.wal 1393

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-10 1837  ax-12 1854  ax-13 1999

This theorem depends on definitions:  df-bi 185  df-an 371  df-ex 1613  df-nf 1617