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Theorem bj-vprc 16839
Description: vprc 4263 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.)
Assertion
Ref Expression
bj-vprc  |-  -.  _V  e.  _V

Proof of Theorem bj-vprc
Dummy variables  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 bj-nalset 16838 . . 3  |-  -.  E. x A. y  y  e.  x
2 vex 2824 . . . . . . 7  |-  y  e. 
_V
32tbt 247 . . . . . 6  |-  ( y  e.  x  <->  ( y  e.  x  <->  y  e.  _V ) )
43albii 1523 . . . . 5  |-  ( A. y  y  e.  x  <->  A. y ( y  e.  x  <->  y  e.  _V ) )
5 dfcleq 2232 . . . . 5  |-  ( x  =  _V  <->  A. y
( y  e.  x  <->  y  e.  _V ) )
64, 5bitr4i 187 . . . 4  |-  ( A. y  y  e.  x  <->  x  =  _V )
76exbii 1658 . . 3  |-  ( E. x A. y  y  e.  x  <->  E. x  x  =  _V )
81, 7mtbi 681 . 2  |-  -.  E. x  x  =  _V
9 isset 2828 . 2  |-  ( _V  e.  _V  <->  E. x  x  =  _V )
108, 9mtbir 682 1  |-  -.  _V  e.  _V
Colors of variables: wff set class
Syntax hints:   -. wn 3    <-> wb 105   A.wal 1400    = wceq 1402   E.wex 1545    e. wcel 2209   _Vcvv 2821
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 623  ax-in2 624  ax-5 1500  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-13 2211  ax-14 2212  ax-ext 2220  ax-bdn 16760  ax-bdel 16764  ax-bdsep 16827
This theorem depends on definitions:  df-bi 117  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-v 2823
This theorem is referenced by:  bj-nvel  16840  bj-vnex  16841  bj-intexr  16851  bj-intnexr  16852
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