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Theorem fexafv2ex 43776
Description: The alternate function value is always a set if the function (resp. the domain of the function) is a set. (Contributed by AV, 3-Sep-2022.)
Assertion
Ref Expression
fexafv2ex (𝐹𝑉 → (𝐹''''𝐴) ∈ V)

Proof of Theorem fexafv2ex
StepHypRef Expression
1 rnexg 7595 . 2 (𝐹𝑉 → ran 𝐹 ∈ V)
2 afv2ex 43770 . 2 (ran 𝐹 ∈ V → (𝐹''''𝐴) ∈ V)
31, 2syl 17 1 (𝐹𝑉 → (𝐹''''𝐴) ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2111  Vcvv 3441  ran crn 5520  ''''cafv2 43764
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-br 5031  df-opab 5093  df-cnv 5527  df-dm 5529  df-rn 5530  df-iota 6283  df-afv2 43765
This theorem is referenced by: (None)
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