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Theorem ffvelcdmi 5816
Description: A function's value belongs to its codomain. (Contributed by NM, 6-Apr-2005.)
Hypothesis
Ref Expression
ffvelcdmi.1  |-  F : A
--> B
Assertion
Ref Expression
ffvelcdmi  |-  ( C  e.  A  ->  ( F `  C )  e.  B )

Proof of Theorem ffvelcdmi
StepHypRef Expression
1 ffvelcdmi.1 . 2  |-  F : A
--> B
2 ffvelcdm 5815 . 2  |-  ( ( F : A --> B  /\  C  e.  A )  ->  ( F `  C
)  e.  B )
31, 2mpan 424 1  |-  ( C  e.  A  ->  ( F `  C )  e.  B )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2205   -->wf 5353   ` cfv 5357
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-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327
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-sbc 3046  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-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-fv 5365
This theorem is referenced by:  omgadd  11191  cjcl  11558  climmpt  12010  cn1lem  12024  climcn1lem  12029  fsumrelem  12182  efcl  12375  sincl  12417  coscl  12418  algcvg  12770  algcvgb  12772  algcvga  12773  algfx  12774  eucalgcvga  12780  eucalg  12781  sqpweven  12897  2sqpwodd  12898  ennnfonelemnn0  13257  relogcl  15853  konigsberglem5  16613  nninfomnilem  16922
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