Theorem fexafv2ex 45914

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	⊢ (𝐹 ∈ 𝑉 → (𝐹''''𝐴) ∈ V)

Proof of Theorem fexafv2ex

Step	Hyp	Ref	Expression
1		rnexg 7891	. 2 ⊢ (𝐹 ∈ 𝑉 → ran 𝐹 ∈ V)
2		afv2ex 45908	. 2 ⊢ (ran 𝐹 ∈ V → (𝐹''''𝐴) ∈ V)
3	1, 2	syl 17	1 ⊢ (𝐹 ∈ 𝑉 → (𝐹''''𝐴) ∈ V)

Syntax hints:   → wi 4   ∈ wcel 2106  Vcvv 3474  ran crn 5676  ''''cafv2 45902

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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-ext 2703  ax-sep 5298  ax-nul 5305  ax-pow 5362  ax-pr 5426  ax-un 7721

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-sb 2068  df-clab 2710  df-cleq 2724  df-clel 2810  df-ne 2941  df-rab 3433  df-v 3476  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-nul 4322  df-if 4528  df-pw 4603  df-sn 4628  df-pr 4630  df-op 4634  df-uni 4908  df-br 5148  df-opab 5210  df-cnv 5683  df-dm 5685  df-rn 5686  df-iota 6492  df-afv2 45903

This theorem is referenced by: (None)