Theorem inex2 4140

Description: Separation Scheme (Aussonderung) using class notation. (Contributed by NM, 27-Apr-1994.)

Hypothesis

Ref	Expression
inex2.1	|- A e. _V

Assertion

Ref	Expression
inex2	|- ( B i^i A ) e. _V

Proof of Theorem inex2

Step	Hyp	Ref	Expression
1		incom 3329	. 2 |- ( B i^i A ) = ( A i^i B )
2		inex2.1	. . 3 |- A e. _V
3	2	inex1 4139	. 2 |- ( A i^i B ) e. _V
4	1, 3	eqeltri 2250	1 |- ( B i^i A ) e. _V

Syntax hints:   e. wcel 2148   _Vcvv 2739   i^i cin 3130

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-ext 2159  ax-sep 4123

This theorem depends on definitions:  df-bi 117  df-tru 1356  df-nf 1461  df-sb 1763  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-v 2741  df-in 3137

This theorem is referenced by:  ssex  4142  peano5nnnn  7893  peano5nni  8924  tgdom  13611  distop  13624