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Theorem rnco2 6273
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 6272 . 2 ran (𝐴𝐵) = ran (𝐴 ↾ ran 𝐵)
2 df-ima 5698 . 2 (𝐴 “ ran 𝐵) = ran (𝐴 ↾ ran 𝐵)
31, 2eqtr4i 2768 1 ran (𝐴𝐵) = (𝐴 “ ran 𝐵)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  ran crn 5686  cres 5687  cima 5688  ccom 5689
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-11 2157  ax-ext 2708  ax-sep 5296  ax-nul 5306  ax-pr 5432
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2065  df-clab 2715  df-cleq 2729  df-clel 2816  df-ral 3062  df-rex 3071  df-rab 3437  df-v 3482  df-dif 3954  df-un 3956  df-in 3958  df-ss 3968  df-nul 4334  df-if 4526  df-sn 4627  df-pr 4629  df-op 4633  df-br 5144  df-opab 5206  df-xp 5691  df-cnv 5693  df-co 5694  df-dm 5695  df-rn 5696  df-res 5697  df-ima 5698
This theorem is referenced by:  dmco  6274  isf34lem7  10419  isf34lem6  10420  imasless  17585  gsumzf1o  19930  gsumzmhm  19955  gsumzinv  19963  dprdf1o  20052  pf1rcl  22353  ovolficcss  25504  volsup  25591  uniiccdif  25613  uniioombllem3  25620  dyadmbl  25635  itg1climres  25749  cvmlift3lem6  35329  mblfinlem2  37665  volsupnfl  37672
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