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Theorem fvco3d 6764
Description: Value of a function composition. Deduction form of fvco3 6763. (Contributed by Stanislas Polu, 9-Mar-2020.)
Hypotheses
Ref Expression
fvco3d.1 (𝜑𝐺:𝐴𝐵)
fvco3d.2 (𝜑𝐶𝐴)
Assertion
Ref Expression
fvco3d (𝜑 → ((𝐹𝐺)‘𝐶) = (𝐹‘(𝐺𝐶)))

Proof of Theorem fvco3d
StepHypRef Expression
1 fvco3d.1 . 2 (𝜑𝐺:𝐴𝐵)
2 fvco3d.2 . 2 (𝜑𝐶𝐴)
3 fvco3 6763 . 2 ((𝐺:𝐴𝐵𝐶𝐴) → ((𝐹𝐺)‘𝐶) = (𝐹‘(𝐺𝐶)))
41, 2, 3syl2anc 586 1 (𝜑 → ((𝐹𝐺)‘𝐶) = (𝐹‘(𝐺𝐶)))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1536  wcel 2113  ccom 5562  wf 6354  cfv 6358
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 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2796  ax-sep 5206  ax-nul 5213  ax-pow 5269  ax-pr 5333
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2966  df-ne 3020  df-ral 3146  df-rex 3147  df-rab 3150  df-v 3499  df-sbc 3776  df-dif 3942  df-un 3944  df-in 3946  df-ss 3955  df-nul 4295  df-if 4471  df-sn 4571  df-pr 4573  df-op 4577  df-uni 4842  df-br 5070  df-opab 5132  df-id 5463  df-xp 5564  df-rel 5565  df-cnv 5566  df-co 5567  df-dm 5568  df-rn 5569  df-res 5570  df-ima 5571  df-iota 6317  df-fun 6360  df-fn 6361  df-f 6362  df-fv 6366
This theorem is referenced by:  yonedainv  17534  frgpcyg  20723  pmtrcnel  30737  selvval2lem4  39142  extoimad  40521  imo72b2lem0  40522  imo72b2lem1  40527
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