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Theorem dmmpt 6196
Description: The domain of the mapping operation in general. (Contributed by NM, 16-May-1995.) (Revised by Mario Carneiro, 22-Mar-2015.)
Hypothesis
Ref Expression
dmmpt.1 𝐹 = (𝑥𝐴𝐵)
Assertion
Ref Expression
dmmpt dom 𝐹 = {𝑥𝐴𝐵 ∈ V}

Proof of Theorem dmmpt
StepHypRef Expression
1 dfdm4 5842 . 2 dom 𝐹 = ran 𝐹
2 dfrn4 6158 . 2 ran 𝐹 = (𝐹 “ V)
3 dmmpt.1 . . 3 𝐹 = (𝑥𝐴𝐵)
43mptpreima 6194 . 2 (𝐹 “ V) = {𝑥𝐴𝐵 ∈ V}
51, 2, 43eqtri 2761 1 dom 𝐹 = {𝑥𝐴𝐵 ∈ V}
Colors of variables: wff setvar class
Syntax hints:   = wceq 1541  wcel 2113  {crab 3397  Vcvv 3438  cmpt 5177  ccnv 5621  dom cdm 5622  ran crn 5623  cima 5625
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2182  ax-ext 2706  ax-sep 5239  ax-nul 5249  ax-pr 5375
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2567  df-clab 2713  df-cleq 2726  df-clel 2809  df-nfc 2883  df-rab 3398  df-v 3440  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4284  df-if 4478  df-sn 4579  df-pr 4581  df-op 4585  df-br 5097  df-opab 5159  df-mpt 5178  df-xp 5628  df-rel 5629  df-cnv 5630  df-dm 5632  df-rn 5633  df-res 5634  df-ima 5635
This theorem is referenced by:  dmmptss  6197  dmmptg  6198  dmmptd  6635  fvmpti  6938  fvmptss  6951  fvmptss2  6965  mptexgf  7166  tz9.12lem3  9699  cardf2  9853  pmtrsn  19446  00lsp  20930  rgrx0ndm  29616  abrexexd  32533  funcnvmpt  32694  mptctf  32744  issibf  34439  rdgprc0  35934  imageval  36071  dmmptdff  45409  dmmptssf  45418  dmmptdf2  45419  dvcosre  46098  itgsinexplem1  46140  stirlinglem14  46273  fvmptrabdm  47481
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