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Theorem rnco2 6275
Description: The range of the composition of two classes. (Contributed by NM, 27-Mar-2008.)
Assertion
Ref Expression
rnco2 ran (𝐴𝐵) = (𝐴 “ ran 𝐵)

Proof of Theorem rnco2
StepHypRef Expression
1 rnco 6274 . 2 ran (𝐴𝐵) = ran (𝐴 ↾ ran 𝐵)
2 df-ima 5702 . 2 (𝐴 “ ran 𝐵) = ran (𝐴 ↾ ran 𝐵)
31, 2eqtr4i 2766 1 ran (𝐴𝐵) = (𝐴 “ ran 𝐵)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1537  ran crn 5690  cres 5691  cima 5692  ccom 5693
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-11 2155  ax-ext 2706  ax-sep 5302  ax-nul 5312  ax-pr 5438
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-sb 2063  df-clab 2713  df-cleq 2727  df-clel 2814  df-ral 3060  df-rex 3069  df-rab 3434  df-v 3480  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-sn 4632  df-pr 4634  df-op 4638  df-br 5149  df-opab 5211  df-xp 5695  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702
This theorem is referenced by:  dmco  6276  isf34lem7  10417  isf34lem6  10418  imasless  17587  gsumzf1o  19945  gsumzmhm  19970  gsumzinv  19978  dprdf1o  20067  pf1rcl  22369  ovolficcss  25518  volsup  25605  uniiccdif  25627  uniioombllem3  25634  dyadmbl  25649  itg1climres  25764  cvmlift3lem6  35309  mblfinlem2  37645  volsupnfl  37652
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