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Theorem fabex 5098
Description: Existence of a set of functions. (Contributed by NM, 3-Dec-2007.)
Hypotheses
Ref Expression
fabex.1  |-  A  e. 
_V
fabex.2  |-  B  e. 
_V
fabex.3  |-  F  =  { x  |  ( x : A --> B  /\  ph ) }
Assertion
Ref Expression
fabex  |-  F  e. 
_V
Distinct variable groups:    x, A    x, B
Allowed substitution hints:    ph( x)    F( x)

Proof of Theorem fabex
StepHypRef Expression
1 fabex.1 . 2  |-  A  e. 
_V
2 fabex.2 . 2  |-  B  e. 
_V
3 fabex.3 . . 3  |-  F  =  { x  |  ( x : A --> B  /\  ph ) }
43fabexg 5097 . 2  |-  ( ( A  e.  _V  /\  B  e.  _V )  ->  F  e.  _V )
51, 2, 4mp2an 416 1  |-  F  e. 
_V
Colors of variables: wff set class
Syntax hints:    /\ wa 102    = wceq 1284    e. wcel 1433   {cab 2067   _Vcvv 2601   -->wf 4918
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-13 1444  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-sep 3896  ax-pow 3948  ax-pr 3964  ax-un 4188
This theorem depends on definitions:  df-bi 115  df-3an 921  df-tru 1287  df-nf 1390  df-sb 1686  df-eu 1944  df-mo 1945  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-ral 2353  df-rex 2354  df-v 2603  df-un 2977  df-in 2979  df-ss 2986  df-pw 3384  df-sn 3404  df-pr 3405  df-op 3407  df-uni 3602  df-br 3786  df-opab 3840  df-xp 4369  df-rel 4370  df-cnv 4371  df-dm 4373  df-rn 4374  df-fun 4924  df-fn 4925  df-f 4926
This theorem is referenced by: (None)
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