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Theorem frnd 5518
Description: Deduction form of frn 5517. The range of a mapping. (Contributed by Glauco Siliprandi, 26-Jun-2021.)
Hypothesis
Ref Expression
frnd.1  |-  ( ph  ->  F : A --> B )
Assertion
Ref Expression
frnd  |-  ( ph  ->  ran  F  C_  B
)

Proof of Theorem frnd
StepHypRef Expression
1 frnd.1 . 2  |-  ( ph  ->  F : A --> B )
2 frn 5517 . 2  |-  ( F : A --> B  ->  ran  F  C_  B )
31, 2syl 14 1  |-  ( ph  ->  ran  F  C_  B
)
Colors of variables: wff set class
Syntax hints:    -> wi 4    C_ wss 3211   ran crn 4750   -->wf 5348
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107
This theorem depends on definitions:  df-bi 117  df-f 5356
This theorem is referenced by:  difinfsn  7391  ccatrn  11297  swrdrn  11349  pfxrn  11379  4sqlem11  13099  ennnfonelemfun  13168  ennnfonelemf1  13169  mhmima  13704  ghmrn  13974  conjnmz  13996  tgrest  15034  resttopon  15036  rest0  15044  cnrest2r  15102  cnptoprest2  15105  lmss  15111  txbasval  15132  upxp  15137  uptx  15139  hmeores  15180  unirnblps  15287  unirnbl  15288  lgseisenlem4  15946  uhgredgm  16131  upgredgssen  16134  umgredgssen  16135  edgupgren  16136  edgumgren  16137  gfsump1  16868
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