Theorem bj-vnex 15390

Description: vnex 4160 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.)

Assertion

Ref	Expression
bj-vnex	|- -. E. x x = _V

Proof of Theorem bj-vnex

Step	Hyp	Ref	Expression
1		bj-vprc 15388	. 2 |- -. _V e. _V
2		isset 2766	. 2 |- ( _V e. _V <-> E. x x = _V )
3	1, 2	mtbi 671	1 |- -. E. x x = _V

Syntax hints:   -. wn 3   = wceq 1364   E.wex 1503   e. wcel 2164   _Vcvv 2760

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-in1 615  ax-in2 616  ax-5 1458  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-13 2166  ax-14 2167  ax-ext 2175  ax-bdn 15309  ax-bdel 15313  ax-bdsep 15376

This theorem depends on definitions:  df-bi 117  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-clab 2180  df-cleq 2186  df-clel 2189  df-v 2762

This theorem is referenced by: (None)