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Theorem prm 3513
Description: A pair containing a set is inhabited. (Contributed by Jim Kingdon, 21-Sep-2018.)
Hypothesis
Ref Expression
prnz.1  |-  A  e. 
_V
Assertion
Ref Expression
prm  |-  E. x  x  e.  { A ,  B }
Distinct variable groups:    x, A    x, B

Proof of Theorem prm
StepHypRef Expression
1 prnz.1 . 2  |-  A  e. 
_V
2 prmg 3511 . 2  |-  ( A  e.  _V  ->  E. x  x  e.  { A ,  B } )
31, 2ax-mp 7 1  |-  E. x  x  e.  { A ,  B }
Colors of variables: wff set class
Syntax hints:   E.wex 1421    e. wcel 1433   _Vcvv 2601   {cpr 3399
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063
This theorem depends on definitions:  df-bi 115  df-tru 1287  df-nf 1390  df-sb 1686  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-v 2603  df-un 2977  df-sn 3404  df-pr 3405
This theorem is referenced by: (None)
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