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Theorem funmpt2 6388
Description: Functionality of a class given by a maps-to notation. (Contributed by FL, 17-Feb-2008.) (Revised by Mario Carneiro, 31-May-2014.)
Hypothesis
Ref Expression
funmpt2.1 𝐹 = (𝑥𝐴𝐵)
Assertion
Ref Expression
funmpt2 Fun 𝐹

Proof of Theorem funmpt2
StepHypRef Expression
1 funmpt 6387 . 2 Fun (𝑥𝐴𝐵)
2 funmpt2.1 . . 3 𝐹 = (𝑥𝐴𝐵)
32funeqi 6370 . 2 (Fun 𝐹 ↔ Fun (𝑥𝐴𝐵))
41, 3mpbir 233 1 Fun 𝐹
Colors of variables: wff setvar class
Syntax hints:   = wceq 1533  cmpt 5138  Fun wfun 6343
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-sep 5195  ax-nul 5202  ax-pr 5321
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ral 3143  df-rab 3147  df-v 3496  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-nul 4291  df-if 4467  df-sn 4561  df-pr 4563  df-op 4567  df-br 5059  df-opab 5121  df-mpt 5139  df-id 5454  df-xp 5555  df-rel 5556  df-cnv 5557  df-co 5558  df-fun 6351
This theorem is referenced by:  cantnfp1lem1  9135  tz9.12lem2  9211  tz9.12lem3  9212  rankf  9217  djuun  9349  cardf2  9366  fin23lem30  9758  hashf1rn  13707  funtopon  21522  qustgpopn  22722  ustn0  22823  metuval  23153  cphsscph  23848  ipasslem8  28608  xppreima2  30389  funcnvmpt  30406  fsuppcurry1  30455  fsuppcurry2  30456  gsummpt2co  30681  metidval  31125  pstmval  31130  brsiga  31437  measbasedom  31456  sseqval  31641  ballotlem7  31788  sinccvglem  32910  bj-evalfun  34358  bj-ccinftydisj  34489  bj-elccinfty  34490  bj-minftyccb  34501  iscard4  39893  harval3  39897  comptiunov2i  40044  icccncfext  42163  stoweidlem27  42306  stirlinglem14  42366  fourierdlem70  42455  fourierdlem71  42456  hoi2toco  42883  mptcfsupp  44422  lcoc0  44471  lincresunit2  44527
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