Theorem smfpimcclem 45038

Description: Lemma for smfpimcc 45039 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 2907	. . . . 5 ⊢ Ⅎ𝑠𝑆
3	2	ssrab2f 43317	. . . 4 ⊢ {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ⊆ 𝑆
4		eqid 2736	. . . . . . 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 5290	. . . . . 6 ⊢ (𝜑 → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V)
7	6	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → {𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))} ∈ V)
8		simpl 483	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝜑)
9		simpr 485	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑛 ∈ 𝑍)
10		eqid 2736	. . . . . . . 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 5913	. . . . . . 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 584	. . . . . 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 512	. . . . 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 2825	. . . . . . . 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 629	. . . . . . 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 6842	. . . . . . . 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 2832	. . . . . . 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 344	. . . . . 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 3525	. . . . 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	sselid 3942	. . 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 7065	. 2 ⊢ (𝜑 → 𝐻:𝑍⟶𝑆)
26		nfcv 2907	. . . . . . . . 9 ⊢ Ⅎ𝑠𝐶
27		nfrab1 3426	. . . . . . . . 9 ⊢ Ⅎ𝑠{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}
28	26, 27	nffv 6852	. . . . . . . 8 ⊢ Ⅎ𝑠(𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})
29		nfcv 2907	. . . . . . . . 9 ⊢ Ⅎ𝑠(◡(𝐹‘𝑛) “ 𝐴)
30		nfcv 2907	. . . . . . . . . 10 ⊢ Ⅎ𝑠dom (𝐹‘𝑛)
31	28, 30	nfin 4176	. . . . . . . . 9 ⊢ Ⅎ𝑠((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))
32	29, 31	nfeq 2920	. . . . . . . 8 ⊢ Ⅎ𝑠(◡(𝐹‘𝑛) “ 𝐴) = ((𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∩ dom (𝐹‘𝑛))
33		ineq1 4165	. . . . . . . . 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 2747	. . . . . . . 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 3641	. . . . . . 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 217	. . . . . 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 496	. . . . 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 3465	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}) ∈ V)
40	38, 39	fvmpt2d 6961	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐻‘𝑛) = (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
41	40	ineq1d 4171	. . . . 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 2779	. . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
43	42	ex 413	. . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 → (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))))
44	1, 43	ralrimi 3240	. 2 ⊢ (𝜑 → ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
45		smfpimcclem.z	. . . . . 6 ⊢ 𝑍 ∈ 𝑉
46	45	elexi 3464	. . . . 5 ⊢ 𝑍 ∈ V
47	46	mptex 7173	. . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))})) ∈ V
48	24, 47	eqeltri 2834	. . 3 ⊢ 𝐻 ∈ V
49		feq1 6649	. . . 4 ⊢ (ℎ = 𝐻 → (ℎ:𝑍⟶𝑆 ↔ 𝐻:𝑍⟶𝑆))
50		nfcv 2907	. . . . . 6 ⊢ Ⅎ𝑛ℎ
51		nfmpt1 5213	. . . . . . 7 ⊢ Ⅎ𝑛(𝑛 ∈ 𝑍 ↦ (𝐶‘{𝑠 ∈ 𝑆 ∣ (◡(𝐹‘𝑛) “ 𝐴) = (𝑠 ∩ dom (𝐹‘𝑛))}))
52	24, 51	nfcxfr 2905	. . . . . 6 ⊢ Ⅎ𝑛𝐻
53	50, 52	nfeq 2920	. . . . 5 ⊢ Ⅎ𝑛 ℎ = 𝐻
54		fveq1 6841	. . . . . . 7 ⊢ (ℎ = 𝐻 → (ℎ‘𝑛) = (𝐻‘𝑛))
55	54	ineq1d 4171	. . . . . 6 ⊢ (ℎ = 𝐻 → ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛)) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛)))
56	55	eqeq2d 2747	. . . . 5 ⊢ (ℎ = 𝐻 → ((◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛)) ↔ (◡(𝐹‘𝑛) “ 𝐴) = ((𝐻‘𝑛) ∩ dom (𝐹‘𝑛))))
57	53, 56	ralbid 3256	. . . 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 631	. . 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 3565	. 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 584	1 ⊢ (𝜑 → ∃ℎ(ℎ:𝑍⟶𝑆 ∧ ∀𝑛 ∈ 𝑍 (◡(𝐹‘𝑛) “ 𝐴) = ((ℎ‘𝑛) ∩ dom (𝐹‘𝑛))))

Syntax hints:   → wi 4   ∧ wa 396   = wceq 1541  ∃wex 1781  Ⅎwnf 1785   ∈ wcel 2106  ∀wral 3064  {crab 3407  Vcvv 3445   ∩ cin 3909   ↦ cmpt 5188  ^◡ccnv 5632  dom cdm 5633  ran crn 5634   “ cima 5636  ⟶wf 6492  ‘cfv 6496

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-10 2137  ax-11 2154  ax-12 2171  ax-ext 2707  ax-rep 5242  ax-sep 5256  ax-nul 5263  ax-pr 5384

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-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-ral 3065  df-rex 3074  df-reu 3354  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-nul 4283  df-if 4487  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-iun 4956  df-br 5106  df-opab 5168  df-mpt 5189  df-id 5531  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-res 5645  df-ima 5646  df-iota 6448  df-fun 6498  df-fn 6499  df-f 6500  df-f1 6501  df-fo 6502  df-f1o 6503  df-fv 6504

This theorem is referenced by:  smfpimcc  45039