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Theorem dmexd 4943
Description: The domain of a set is a set. (Contributed by Glauco Siliprandi, 26-Jun-2021.)
Hypothesis
Ref Expression
dmexd.1  |-  ( ph  ->  A  e.  V )
Assertion
Ref Expression
dmexd  |-  ( ph  ->  dom  A  e.  _V )

Proof of Theorem dmexd
StepHypRef Expression
1 dmexd.1 . 2  |-  ( ph  ->  A  e.  V )
2 dmexg 4941 . 2  |-  ( A  e.  V  ->  dom  A  e.  _V )
31, 2syl 14 1  |-  ( ph  ->  dom  A  e.  _V )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2175   _Vcvv 2771   dom cdm 4674
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-io 710  ax-5 1469  ax-7 1470  ax-gen 1471  ax-ie1 1515  ax-ie2 1516  ax-8 1526  ax-10 1527  ax-11 1528  ax-i12 1529  ax-bndl 1531  ax-4 1532  ax-17 1548  ax-i9 1552  ax-ial 1556  ax-i5r 1557  ax-13 2177  ax-14 2178  ax-ext 2186  ax-sep 4161  ax-pow 4217  ax-pr 4252  ax-un 4479
This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1375  df-nf 1483  df-sb 1785  df-eu 2056  df-mo 2057  df-clab 2191  df-cleq 2197  df-clel 2200  df-nfc 2336  df-rex 2489  df-v 2773  df-un 3169  df-in 3171  df-ss 3178  df-pw 3617  df-sn 3638  df-pr 3639  df-op 3641  df-uni 3850  df-br 4044  df-opab 4105  df-cnv 4682  df-dm 4684  df-rn 4685
This theorem is referenced by:  hashdmprop2dom  10987
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