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Theorem fabex 5560
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 5559 . 2  |-  ( ( A  e.  _V  /\  B  e.  _V )  ->  F  e.  _V )
51, 2, 4mp2an 426 1  |-  F  e. 
_V
Colors of variables: wff set class
Syntax hints:    /\ wa 104    = wceq 1398    e. wcel 2205   {cab 2220   _Vcvv 2815   -->wf 5353
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327  ax-un 4559
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-br 4115  df-opab 4177  df-xp 4760  df-rel 4761  df-cnv 4762  df-dm 4764  df-rn 4765  df-fun 5359  df-fn 5360  df-f 5361
This theorem is referenced by: (None)
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