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Theorem fexafv2ex 44680
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 7745 . 2 (𝐹𝑉 → ran 𝐹 ∈ V)
2 afv2ex 44674 . 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 2110  Vcvv 3431  ran crn 5591  ''''cafv2 44668
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2015  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2158  ax-12 2175  ax-ext 2711  ax-sep 5227  ax-nul 5234  ax-pow 5292  ax-pr 5356  ax-un 7582
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2072  df-mo 2542  df-eu 2571  df-clab 2718  df-cleq 2732  df-clel 2818  df-ral 3071  df-rex 3072  df-rab 3075  df-v 3433  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4846  df-br 5080  df-opab 5142  df-cnv 5598  df-dm 5600  df-rn 5601  df-iota 6390  df-afv2 44669
This theorem is referenced by: (None)
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