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Theorem bj-intnexr 13791
Description: intnexr 4130 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.)
Assertion
Ref Expression
bj-intnexr  |-  ( |^| A  =  _V  ->  -. 
|^| A  e.  _V )

Proof of Theorem bj-intnexr
StepHypRef Expression
1 bj-vprc 13778 . 2  |-  -.  _V  e.  _V
2 eleq1 2229 . 2  |-  ( |^| A  =  _V  ->  (
|^| A  e.  _V  <->  _V  e.  _V ) )
31, 2mtbiri 665 1  |-  ( |^| A  =  _V  ->  -. 
|^| A  e.  _V )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    = wceq 1343    e. wcel 2136   _Vcvv 2726   |^|cint 3824
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-5 1435  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-13 2138  ax-14 2139  ax-ext 2147  ax-bdn 13699  ax-bdel 13703  ax-bdsep 13766
This theorem depends on definitions:  df-bi 116  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-v 2728
This theorem is referenced by: (None)
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