Theorem fnimafnex 43429

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 “ (𝐺‘𝐴)) ∈ V

Proof of Theorem fnimafnex

Step	Hyp	Ref	Expression
1		fnimafnex.f	. . 3 ⊢ 𝐹 Fn 𝐵
2		fnfun 6618	. . 3 ⊢ (𝐹 Fn 𝐵 → Fun 𝐹)
3	1, 2	ax-mp 5	. 2 ⊢ Fun 𝐹
4		fvex 6871	. 2 ⊢ (𝐺‘𝐴) ∈ V
5		funimaexg 6603	. 2 ⊢ ((Fun 𝐹 ∧ (𝐺‘𝐴) ∈ V) → (𝐹 “ (𝐺‘𝐴)) ∈ V)
6	3, 4, 5	mp2an 692	1 ⊢ (𝐹 “ (𝐺‘𝐴)) ∈ V

Syntax hints:   ∈ wcel 2109  Vcvv 3447   “ cima 5641  Fun wfun 6505   Fn wfn 6506  ‘cfv 6511

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 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2701  ax-rep 5234  ax-sep 5251  ax-nul 5261  ax-pr 5387

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-mo 2533  df-clab 2708  df-cleq 2721  df-clel 2803  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3406  df-v 3449  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-nul 4297  df-if 4489  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-br 5108  df-opab 5170  df-id 5533  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-iota 6464  df-fun 6513  df-fn 6514  df-fv 6519

This theorem is referenced by: (None)