Theorem cbvex2v 2031

Description: Rule used to change bound variables, using implicit substitution. (Contributed by NM, 26-Jul-1995.)

Hypothesis

Ref	Expression
cbval2v.1

Assertion

Ref	Expression
cbvex2v

Distinct variable groups:   ,,   ,,   ,   ,

Proof of Theorem cbvex2v

Step	Hyp	Ref	Expression
1		nfv 1707	. 2
2		nfv 1707	. 2
3		nfv 1707	. 2
4		nfv 1707	. 2
5		cbval2v.1	. 2
6	1, 2, 3, 4, 5	cbvex2 2028	1

Syntax hints:  ->wi 4  <->wb 184  /\wa 369  E.wex 1612

This theorem is referenced by:  cbvex4v  2034  2eu6OLD  2384

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-11 1842  ax-12 1854  ax-13 1999

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