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Theorem fnimafnex 44194
Description: The functional image of a function value exists. (Contributed by RP, 31-Oct-2024.)
Hypothesis
Ref Expression
fnimafnex.f 𝐹 Fn 𝐵
Assertion
Ref Expression
fnimafnex (𝐹 “ (𝐺𝐴)) ∈ V

Proof of Theorem fnimafnex
StepHypRef Expression
1 fnimafnex.f . . 3 𝐹 Fn 𝐵
2 fnfun 6635 . . 3 (𝐹 Fn 𝐵 → Fun 𝐹)
31, 2ax-mp 5 . 2 Fun 𝐹
4 fvex 6894 . 2 (𝐺𝐴) ∈ V
5 funimaexg 6622 . 2 ((Fun 𝐹 ∧ (𝐺𝐴) ∈ V) → (𝐹 “ (𝐺𝐴)) ∈ V)
63, 4, 5mp2an 704 1 (𝐹 “ (𝐺𝐴)) ∈ V
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wcel 2142  Vcvv 3454  cima 5663  Fun wfun 6530   Fn wfn 6531  cfv 6536
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734  ax-rep 5237  ax-sep 5256  ax-nul 5268  ax-pr 5403
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-sb 2096  df-mo 2566  df-clab 2741  df-cleq 2754  df-clel 2837  df-ne 2958  df-ral 3079  df-rex 3089  df-rab 3416  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-uni 4872  df-br 5109  df-opab 5173  df-id 5555  df-xp 5666  df-rel 5667  df-cnv 5668  df-co 5669  df-dm 5670  df-rn 5671  df-res 5672  df-ima 5673  df-iota 6492  df-fun 6538  df-fn 6539  df-fv 6544
This theorem is used by: (None)
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