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Theorem bj-vprc 14508
Description: vprc 4134 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 14507 . . 3  |-  -.  E. x A. y  y  e.  x
2 vex 2740 . . . . . . 7  |-  y  e. 
_V
32tbt 247 . . . . . 6  |-  ( y  e.  x  <->  ( y  e.  x  <->  y  e.  _V ) )
43albii 1470 . . . . 5  |-  ( A. y  y  e.  x  <->  A. y ( y  e.  x  <->  y  e.  _V ) )
5 dfcleq 2171 . . . . 5  |-  ( x  =  _V  <->  A. y
( y  e.  x  <->  y  e.  _V ) )
64, 5bitr4i 187 . . . 4  |-  ( A. y  y  e.  x  <->  x  =  _V )
76exbii 1605 . . 3  |-  ( E. x A. y  y  e.  x  <->  E. x  x  =  _V )
81, 7mtbi 670 . 2  |-  -.  E. x  x  =  _V
9 isset 2743 . 2  |-  ( _V  e.  _V  <->  E. x  x  =  _V )
108, 9mtbir 671 1  |-  -.  _V  e.  _V
Colors of variables: wff set class
Syntax hints:   -. wn 3    <-> wb 105   A.wal 1351    = wceq 1353   E.wex 1492    e. wcel 2148   _Vcvv 2737
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 614  ax-in2 615  ax-5 1447  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-13 2150  ax-14 2151  ax-ext 2159  ax-bdn 14429  ax-bdel 14433  ax-bdsep 14496
This theorem depends on definitions:  df-bi 117  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-clab 2164  df-cleq 2170  df-clel 2173  df-v 2739
This theorem is referenced by:  bj-nvel  14509  bj-vnex  14510  bj-intexr  14520  bj-intnexr  14521
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