Theorem smfpimcclem 41807

Description: Lemma for smfpimcc 41808 given the choice function 𝐶. (Contributed by Glauco Siliprandi, 23-Oct-2021.)

Hypotheses

Ref	Expression
smfpimcclem.n	⊢ Ⅎ𝑛𝜑
smfpimcclem.z	⊢ 𝑍 ∈ 𝑉
smfpimcclem.s	⊢ (𝜑 → 𝑆 ∈ 𝑊)
smfpimcclem.c	⊢ ((𝜑 ∧ 𝑦 ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) → (𝐶‘𝑦) ∈ 𝑦)
smfpimcclem.h	⊢ 𝐻 = (𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))

Assertion

Ref	Expression
smfpimcclem	⊢ (𝜑 → ∃ℎ(ℎ:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛))))

Distinct variable groups:   𝐴,ℎ   𝐴,𝑠,𝑦   𝐶,𝑠,𝑦   ℎ,𝐹   𝐹,𝑠,𝑦   ℎ,𝐻   𝑆,ℎ,𝑛   𝑆,𝑠,𝑦,𝑛   ℎ,𝑍,𝑛   𝑦,𝑍   𝜑,𝑦

Allowed substitution hints:   𝜑(ℎ,𝑛,𝑠)   𝐴(𝑛)   𝐶(ℎ,𝑛)   𝐹(𝑛)   𝐻(𝑦,𝑛,𝑠)   𝑉(𝑦,ℎ,𝑛,𝑠)   𝑊(𝑦,ℎ,𝑛,𝑠)   𝑍(𝑠)

Proof of Theorem smfpimcclem

Step	Hyp	Ref	Expression
1		smfpimcclem.n	. . 3 ⊢ Ⅎ𝑛𝜑
2		nfcv 2969	. . . . 5 ⊢ Ⅎ𝑠𝑆
3	2	ssrab2f 40115	. . . 4 ⊢ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ⊆ 𝑆
4		eqid 2825	. . . . . . 7 ⊢ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}
5		smfpimcclem.s	. . . . . . 7 ⊢ (𝜑 → 𝑆 ∈ 𝑊)
6	4, 5	rabexd 5038	. . . . . 6 ⊢ (𝜑 → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V)
7	6	adantr 474	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V)
8		simpl 476	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝜑)
9		simpr 479	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑛 ∈ 𝑍)
10		eqid 2825	. . . . . . . 8 ⊢ (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) = (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})
11	10	elrnmpt1 5607	. . . . . . 7 ⊢ ((𝑛 ∈ 𝑍 ∧ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V) → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
12	9, 7, 11	syl2anc 581	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
13	8, 12	jca 509	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝜑 ∧ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})))
14		eleq1 2894	. . . . . . . 8 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → (𝑦 ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ↔ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})))
15	14	anbi2d 624	. . . . . . 7 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → ((𝜑 ∧ 𝑦 ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) ↔ (𝜑 ∧ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))))
16		fveq2 6433	. . . . . . . 8 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → (𝐶‘𝑦) = (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
17		id 22	. . . . . . . 8 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → 𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})
18	16, 17	eleq12d 2900	. . . . . . 7 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → ((𝐶‘𝑦) ∈ 𝑦 ↔ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
19	15, 18	imbi12d 336	. . . . . 6 ⊢ (𝑦 = {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} → (((𝜑 ∧ 𝑦 ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) → (𝐶‘𝑦) ∈ 𝑦) ↔ ((𝜑 ∧ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})))
20		smfpimcclem.c	. . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) → (𝐶‘𝑦) ∈ 𝑦)
21	19, 20	vtoclg 3482	. . . . 5 ⊢ ({𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V → ((𝜑 ∧ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ ran (𝑛 ∈ 𝑍 ↦ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
22	7, 13, 21	sylc 65	. . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})
23	3, 22	sseldi 3825	. . 3 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ 𝑆)
24		smfpimcclem.h	. . 3 ⊢ 𝐻 = (𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
25	1, 23, 24	fmptdf 6636	. 2 ⊢ (𝜑 → 𝐻:𝑍⟶𝑆)
26		nfcv 2969	. . . . . . . . 9 ⊢ Ⅎ𝑠𝐶
27		nfrab1 3333	. . . . . . . . 9 ⊢ Ⅎ𝑠{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}
28	26, 27	nffv 6443	. . . . . . . 8 ⊢ Ⅎ𝑠(𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})
29		nfcv 2969	. . . . . . . . 9 ⊢ Ⅎ𝑠(◡(𝐹‘𝑛) “ 𝐴)
30		nfcv 2969	. . . . . . . . . 10 ⊢ Ⅎ𝑠dom (𝐹‘𝑛)
31	28, 30	nfin 4045	. . . . . . . . 9 ⊢ Ⅎ𝑠((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))
32	29, 31	nfeq 2981	. . . . . . . 8 ⊢ Ⅎ𝑠(◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))
33		ineq1 4034	. . . . . . . . 9 ⊢ (𝑠 = (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) → (𝑠 ∩ dom (𝐹‘𝑛)) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛)))
34	33	eqeq2d 2835	. . . . . . . 8 ⊢ (𝑠 = (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) → ((◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛)) ↔ (◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))))
35	28, 2, 32, 34	elrabf 3581	. . . . . . 7 ⊢ ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ↔ ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ 𝑆 ∧ (◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))))
36	22, 35	sylib 210	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ 𝑆 ∧ (◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))))
37	36	simprd 491	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛)))
38	24	a1i 11	. . . . . . 7 ⊢ (𝜑 → 𝐻 = (𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})))
39	22	elexd 3431	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ V)
40	38, 39	fvmpt2d 6540	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐻‘𝑛) = (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
41	40	ineq1d 4040	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛)))
42	37, 41	eqtr4d 2864	. . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
43	42	ex 403	. . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 → (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))))
44	1, 43	ralrimi 3166	. 2 ⊢ (𝜑 → ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
45		smfpimcclem.z	. . . . . 6 ⊢ 𝑍 ∈ 𝑉
46	45	elexi 3430	. . . . 5 ⊢ 𝑍 ∈ V
47	46	mptex 6742	. . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) ∈ V
48	24, 47	eqeltri 2902	. . 3 ⊢ 𝐻 ∈ V
49		feq1 6259	. . . 4 ⊢ (ℎ = 𝐻 → (ℎ:𝑍⟶𝑆 ↔ 𝐻:𝑍⟶𝑆))
50		nfcv 2969	. . . . . 6 ⊢ Ⅎ𝑛ℎ
51		nfmpt1 4970	. . . . . . 7 ⊢ Ⅎ𝑛(𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
52	24, 51	nfcxfr 2967	. . . . . 6 ⊢ Ⅎ𝑛𝐻
53	50, 52	nfeq 2981	. . . . 5 ⊢ Ⅎ𝑛 ℎ = 𝐻
54		fveq1 6432	. . . . . . 7 ⊢ (ℎ = 𝐻 → (ℎ‘𝑛) = (𝐻‘𝑛))
55	54	ineq1d 4040	. . . . . 6 ⊢ (ℎ = 𝐻 → ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛)) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
56	55	eqeq2d 2835	. . . . 5 ⊢ (ℎ = 𝐻 → ((◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛)) ↔ (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))))
57	53, 56	ralbid 3192	. . . 4 ⊢ (ℎ = 𝐻 → (∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛)) ↔ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))))
58	49, 57	anbi12d 626	. . 3 ⊢ (ℎ = 𝐻 → ((ℎ:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛))) ↔ (𝐻:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))))
59	48, 58	spcev 3517	. 2 ⊢ ((𝐻:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))) → ∃ℎ(ℎ:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛))))
60	25, 44, 59	syl2anc 581	1 ⊢ (𝜑 → ∃ℎ(ℎ:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛))))

Syntax hints:   → wi 4   ∧ wa 386   = wceq 1658  ∃wex 1880  Ⅎwnf 1884   ∈ wcel 2166  ∀wral 3117  {crab 3121  Vcvv 3414   ∩ cin 3797   ↦ cmpt 4952  ^◡ccnv 5341  dom cdm 5342  ran crn 5343   “ cima 5345  ⟶wf 6119  ‘cfv 6123

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1896  ax-4 1910  ax-5 2011  ax-6 2077  ax-7 2114  ax-8 2168  ax-9 2175  ax-10 2194  ax-11 2209  ax-12 2222  ax-13 2391  ax-ext 2803  ax-rep 4994  ax-sep 5005  ax-nul 5013  ax-pow 5065  ax-pr 5127

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 881  df-3an 1115  df-tru 1662  df-ex 1881  df-nf 1885  df-sb 2070  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ne 3000  df-ral 3122  df-rex 3123  df-reu 3124  df-rab 3126  df-v 3416  df-sbc 3663  df-csb 3758  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-nul 4145  df-if 4307  df-sn 4398  df-pr 4400  df-op 4404  df-uni 4659  df-iun 4742  df-br 4874  df-opab 4936  df-mpt 4953  df-id 5250  df-xp 5348  df-rel 5349  df-cnv 5350  df-co 5351  df-dm 5352  df-rn 5353  df-res 5354  df-ima 5355  df-iota 6086  df-fun 6125  df-fn 6126  df-f 6127  df-f1 6128  df-fo 6129  df-f1o 6130  df-fv 6131

This theorem is referenced by:  smfpimcc  41808