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Theorem bj-snex 16939
Description: snex 4322 from bounded separation. (Contributed by BJ, 5-Oct-2019.) (Proof modification is discouraged.)
Hypothesis
Ref Expression
bj-snex.1  |-  A  e. 
_V
Assertion
Ref Expression
bj-snex  |-  { A }  e.  _V

Proof of Theorem bj-snex
StepHypRef Expression
1 bj-snex.1 . 2  |-  A  e. 
_V
2 bj-snexg 16938 . 2  |-  ( A  e.  _V  ->  { A }  e.  _V )
31, 2ax-mp 5 1  |-  { A }  e.  _V
Colors of variables:    wff set class
This proof depends on syntax axioms:    e. wcel 2209   _Vcvv 2821   {csn 3709
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-pr 4346  ax-bdor 16842  ax-bdeq 16846  ax-bdsep 16910
This proof depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-v 2823  df-un 3224  df-sn 3715  df-pr 3716
This theorem is used by:  bj-d0clsepcl  16951
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