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Theorem fvclex 7138
Description: Existence of the class of values of a set. (Contributed by NM, 9-Nov-1995.)
Hypothesis
Ref Expression
fvclex.1  |-  F  e. 
_V
Assertion
Ref Expression
fvclex  |-  { y  |  E. x  y  =  ( F `  x ) }  e.  _V
Distinct variable group:    x, y, F

Proof of Theorem fvclex
StepHypRef Expression
1 fvclex.1 . . . 4  |-  F  e. 
_V
21rnex 7100 . . 3  |-  ran  F  e.  _V
3 p0ex 4853 . . 3  |-  { (/) }  e.  _V
42, 3unex 6956 . 2  |-  ( ran 
F  u.  { (/) } )  e.  _V
5 fvclss 6500 . 2  |-  { y  |  E. x  y  =  ( F `  x ) }  C_  ( ran  F  u.  { (/)
} )
64, 5ssexi 4803 1  |-  { y  |  E. x  y  =  ( F `  x ) }  e.  _V
Colors of variables: wff setvar class
Syntax hints:    = wceq 1483   E.wex 1704    e. wcel 1990   {cab 2608   _Vcvv 3200    u. cun 3572   (/)c0 3915   {csn 4177   ran crn 5115   ` cfv 5888
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-cnv 5122  df-dm 5124  df-rn 5125  df-iota 5851  df-fv 5896
This theorem is referenced by:  fvresex  7139
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