satffunlem2lem1 - Mathbox for Mario Carneiro

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Theorem satffunlem2lem1 34884

Description: Lemma 1 for satffunlem2 34888. (Contributed by AV, 28-Oct-2023.)

**Hypotheses**
Ref	Expression
satffunlem2lem1.s	⊢ 𝑆 = (𝑀 Sat 𝐸)
satffunlem2lem1.a	⊢ 𝐴 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)))
satffunlem2lem1.b	⊢ 𝐵 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)}

**Assertion**
Ref	Expression
satffunlem2lem1	⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → Fun {⟨𝑥, 𝑦⟩ ∣ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴))})

Distinct variable groups: 𝑦,𝐴 𝑦,𝐵 𝑖,𝑀,𝑢 𝑣,𝑀,𝑢 𝑖,𝑁,𝑢,𝑥,𝑦 𝑣,𝑁,𝑥,𝑦 𝑆,𝑖,𝑢,𝑥,𝑦 𝑣,𝑆 𝑖,𝑎,𝑢 𝑣,𝑎 𝑧,𝑖,𝑢 𝑧,𝑣 Allowed substitution hints: 𝐴(𝑥,𝑧,𝑣,𝑢,𝑖,𝑎) 𝐵(𝑥,𝑧,𝑣,𝑢,𝑖,𝑎) 𝑆(𝑧,𝑎) 𝐸(𝑥,𝑦,𝑧,𝑣,𝑢,𝑖,𝑎) 𝑀(𝑥,𝑦,𝑧,𝑎) 𝑁(𝑧,𝑎)

Proof of Theorem satffunlem2lem1 Dummy variables 𝑗 𝑠 𝑤 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		simpl 482	. . . . . . . . . . . . . . 15 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → 𝑢 = 𝑠)
2	1	fveq2d 6885	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (1^st ‘𝑢) = (1^st ‘𝑠))
3		simpr 484	. . . . . . . . . . . . . . 15 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → 𝑣 = 𝑟)
4	3	fveq2d 6885	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (1^st ‘𝑣) = (1^st ‘𝑟))
5	2, 4	oveq12d 7419	. . . . . . . . . . . . 13 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)))
6	5	eqeq2d 2735	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ↔ 𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟))))
7		satffunlem2lem1.a	. . . . . . . . . . . . . 14 ⊢ 𝐴 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)))
8	1	fveq2d 6885	. . . . . . . . . . . . . . . 16 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (2^nd ‘𝑢) = (2^nd ‘𝑠))
9	3	fveq2d 6885	. . . . . . . . . . . . . . . 16 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (2^nd ‘𝑣) = (2^nd ‘𝑟))
10	8, 9	ineq12d 4205	. . . . . . . . . . . . . . 15 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)) = ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))
11	10	difeq2d 4114	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))) = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))
12	7, 11	eqtrid 2776	. . . . . . . . . . . . 13 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → 𝐴 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))
13	12	eqeq2d 2735	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (𝑦 = 𝐴 ↔ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
14	6, 13	anbi12d 630	. . . . . . . . . . 11 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))))
15	14	cbvrexdva 3229	. . . . . . . . . 10 ⊢ (𝑢 = 𝑠 → (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ ∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))))
16		simpr 484	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → 𝑖 = 𝑗)
17		fveq2 6881	. . . . . . . . . . . . . . 15 ⊢ (𝑢 = 𝑠 → (1^st ‘𝑢) = (1^st ‘𝑠))
18	17	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (1^st ‘𝑢) = (1^st ‘𝑠))
19	16, 18	goaleq12d 34831	. . . . . . . . . . . . 13 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → ∀_𝑔𝑖(1^st ‘𝑢) = ∀_𝑔𝑗(1^st ‘𝑠))
20	19	eqeq2d 2735	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ↔ 𝑥 = ∀_𝑔𝑗(1^st ‘𝑠)))
21		satffunlem2lem1.b	. . . . . . . . . . . . . 14 ⊢ 𝐵 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)}
22	21	eqeq2i 2737	. . . . . . . . . . . . 13 ⊢ (𝑦 = 𝐵 ↔ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)})
23		opeq1 4865	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑖 = 𝑗 → ⟨𝑖, 𝑧⟩ = ⟨𝑗, 𝑧⟩)
24	23	sneqd 4632	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑖 = 𝑗 → {⟨𝑖, 𝑧⟩} = {⟨𝑗, 𝑧⟩})
25		sneq 4630	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑖 = 𝑗 → {𝑖} = {𝑗})
26	25	difeq2d 4114	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑖 = 𝑗 → (ω ∖ {𝑖}) = (ω ∖ {𝑗}))
27	26	reseq2d 5971	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑖 = 𝑗 → (𝑎 ↾ (ω ∖ {𝑖})) = (𝑎 ↾ (ω ∖ {𝑗})))
28	24, 27	uneq12d 4156	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑖 = 𝑗 → ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) = ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))))
29	28	adantl 481	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) = ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))))
30		fveq2 6881	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑢 = 𝑠 → (2^nd ‘𝑢) = (2^nd ‘𝑠))
31	30	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (2^nd ‘𝑢) = (2^nd ‘𝑠))
32	29, 31	eleq12d 2819	. . . . . . . . . . . . . . . 16 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢) ↔ ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)))
33	32	ralbidv 3169	. . . . . . . . . . . . . . 15 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢) ↔ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)))
34	33	rabbidv 3432	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)} = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})
35	34	eqeq2d 2735	. . . . . . . . . . . . 13 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)} ↔ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}))
36	22, 35	bitrid 283	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → (𝑦 = 𝐵 ↔ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}))
37	20, 36	anbi12d 630	. . . . . . . . . . 11 ⊢ ((𝑢 = 𝑠 ∧ 𝑖 = 𝑗) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵) ↔ (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})))
38	37	cbvrexdva 3229	. . . . . . . . . 10 ⊢ (𝑢 = 𝑠 → (∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵) ↔ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})))
39	15, 38	orbi12d 915	. . . . . . . . 9 ⊢ (𝑢 = 𝑠 → ((∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ↔ (∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}))))
40	39	cbvrexvw 3227	. . . . . . . 8 ⊢ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ↔ ∃𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})))
41		fveq2 6881	. . . . . . . . . . . . 13 ⊢ (𝑣 = 𝑟 → (1^st ‘𝑣) = (1^st ‘𝑟))
42	17, 41	oveqan12d 7420	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)))
43	42	eqeq2d 2735	. . . . . . . . . . 11 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ↔ 𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟))))
44	7	eqeq2i 2737	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝐴 ↔ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))))
45		fveq2 6881	. . . . . . . . . . . . . . 15 ⊢ (𝑣 = 𝑟 → (2^nd ‘𝑣) = (2^nd ‘𝑟))
46	30, 45	ineqan12d 4206	. . . . . . . . . . . . . 14 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)) = ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))
47	46	difeq2d 4114	. . . . . . . . . . . . 13 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))) = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))
48	47	eqeq2d 2735	. . . . . . . . . . . 12 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))) ↔ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
49	44, 48	bitrid 283	. . . . . . . . . . 11 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → (𝑦 = 𝐴 ↔ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
50	43, 49	anbi12d 630	. . . . . . . . . 10 ⊢ ((𝑢 = 𝑠 ∧ 𝑣 = 𝑟) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))))
51	50	cbvrexdva 3229	. . . . . . . . 9 ⊢ (𝑢 = 𝑠 → (∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ ∃𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))))
52	51	cbvrexvw 3227	. . . . . . . 8 ⊢ (∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ ∃𝑠 ∈ (𝑆‘𝑁)∃𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
53	40, 52	orbi12i 911	. . . . . . 7 ⊢ ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ↔ (∃𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})) ∨ ∃𝑠 ∈ (𝑆‘𝑁)∃𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))))
54		simp-5l 782	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → Fun (𝑆‘suc 𝑁))
55		eldifi 4118	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → 𝑠 ∈ (𝑆‘suc 𝑁))
56	55	adantl 481	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → 𝑠 ∈ (𝑆‘suc 𝑁))
57	56	anim1i 614	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
58	57	ad2antrr 723	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
59		eldifi 4118	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → 𝑢 ∈ (𝑆‘suc 𝑁))
60	59	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → 𝑢 ∈ (𝑆‘suc 𝑁))
61	60	anim1i 614	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)))
62	54, 58, 61	3jca 1125	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → (Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))))
63		id 22	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
64	7	eqeq2i 2737	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑤 = 𝐴 ↔ 𝑤 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))))
65	64	biimpi 215	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑤 = 𝐴 → 𝑤 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))))
66	65	anim2i 616	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)))))
67		satffunlem 34881	. . . . . . . . . . . . . . . . . . 19 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣))))) → 𝑦 = 𝑤)
68	62, 63, 66, 67	syl3an 1157	. . . . . . . . . . . . . . . . . 18 ⊢ (((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)
69	68	3exp 1116	. . . . . . . . . . . . . . . . 17 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
70	69	com23 86	. . . . . . . . . . . . . . . 16 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
71	70	rexlimdva 3147	. . . . . . . . . . . . . . 15 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
72		eqeq1 2728	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ↔ ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) = ∀_𝑔𝑖(1^st ‘𝑢)))
73		fvex 6894	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1^st ‘𝑠) ∈ V
74		fvex 6894	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1^st ‘𝑟) ∈ V
75		gonafv 34830	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((1^st ‘𝑠) ∈ V ∧ (1^st ‘𝑟) ∈ V) → ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) = ⟨1_o, ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩⟩)
76	73, 74, 75	mp2an 689	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) = ⟨1_o, ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩⟩
77		df-goal 34822	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ∀_𝑔𝑖(1^st ‘𝑢) = ⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩
78	76, 77	eqeq12i 2742	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) = ∀_𝑔𝑖(1^st ‘𝑢) ↔ ⟨1_o, ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩⟩ = ⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩)
79		1oex 8471	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 1_o ∈ V
80		opex 5454	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩ ∈ V
81	79, 80	opth 5466	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (⟨1_o, ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩⟩ = ⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩ ↔ (1_o = 2_o ∧ ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩ = ⟨𝑖, (1^st ‘𝑢)⟩))
82		1one2o 8641	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ 1_o ≠ 2_o
83		df-ne 2933	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (1_o ≠ 2_o ↔ ¬ 1_o = 2_o)
84		pm2.21 123	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (¬ 1_o = 2_o → (1_o = 2_o → 𝑦 = 𝑤))
85	83, 84	sylbi 216	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (1_o ≠ 2_o → (1_o = 2_o → 𝑦 = 𝑤))
86	82, 85	ax-mp 5	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1_o = 2_o → 𝑦 = 𝑤)
87	86	adantr 480	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((1_o = 2_o ∧ ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩ = ⟨𝑖, (1^st ‘𝑢)⟩) → 𝑦 = 𝑤)
88	81, 87	sylbi 216	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (⟨1_o, ⟨(1^st ‘𝑠), (1^st ‘𝑟)⟩⟩ = ⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩ → 𝑦 = 𝑤)
89	78, 88	sylbi 216	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) = ∀_𝑔𝑖(1^st ‘𝑢) → 𝑦 = 𝑤)
90	72, 89	syl6bi 253	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → 𝑦 = 𝑤))
91	90	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → 𝑦 = 𝑤))
92	91	com12 32	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤))
93	92	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤))
94	93	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
95	94	rexlimdva 3147	. . . . . . . . . . . . . . 15 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
96	71, 95	jaod 856	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
97	96	rexlimdva 3147	. . . . . . . . . . . . 13 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
98		simp-4l 780	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → Fun (𝑆‘suc 𝑁))
99	57	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
100		ssel 3967	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁) → (𝑢 ∈ (𝑆‘𝑁) → 𝑢 ∈ (𝑆‘suc 𝑁)))
101	100	ad3antlr 728	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → (𝑢 ∈ (𝑆‘𝑁) → 𝑢 ∈ (𝑆‘suc 𝑁)))
102	101	com12 32	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑢 ∈ (𝑆‘𝑁) → ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → 𝑢 ∈ (𝑆‘suc 𝑁)))
103	102	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → 𝑢 ∈ (𝑆‘suc 𝑁)))
104	103	impcom 407	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑢 ∈ (𝑆‘suc 𝑁))
105		eldifi 4118	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → 𝑣 ∈ (𝑆‘suc 𝑁))
106	105	ad2antll 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑣 ∈ (𝑆‘suc 𝑁))
107	104, 106	jca 511	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)))
108	98, 99, 107	3jca 1125	. . . . . . . . . . . . . . . . 17 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))))
109	108, 63, 66, 67	syl3an 1157	. . . . . . . . . . . . . . . 16 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)
110	109	3exp 1116	. . . . . . . . . . . . . . 15 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
111	110	com23 86	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
112	111	rexlimdvva 3203	. . . . . . . . . . . . 13 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → (∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
113	97, 112	jaod 856	. . . . . . . . . . . 12 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → 𝑦 = 𝑤)))
114	113	com23 86	. . . . . . . . . . 11 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
115	114	rexlimdva 3147	. . . . . . . . . 10 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
116		eqeq1 2728	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ↔ ∀_𝑔𝑗(1^st ‘𝑠) = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣))))
117		df-goal 34822	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ∀_𝑔𝑗(1^st ‘𝑠) = ⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩
118		fvex 6894	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1^st ‘𝑢) ∈ V
119		fvex 6894	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (1^st ‘𝑣) ∈ V
120		gonafv 34830	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((1^st ‘𝑢) ∈ V ∧ (1^st ‘𝑣) ∈ V) → ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) = ⟨1_o, ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩⟩)
121	118, 119, 120	mp2an 689	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) = ⟨1_o, ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩⟩
122	117, 121	eqeq12i 2742	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (∀_𝑔𝑗(1^st ‘𝑠) = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ↔ ⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩ = ⟨1_o, ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩⟩)
123		2oex 8472	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ 2_o ∈ V
124		opex 5454	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ⟨𝑗, (1^st ‘𝑠)⟩ ∈ V
125	123, 124	opth 5466	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩ = ⟨1_o, ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩⟩ ↔ (2_o = 1_o ∧ ⟨𝑗, (1^st ‘𝑠)⟩ = ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩))
126	86	eqcoms 2732	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (2_o = 1_o → 𝑦 = 𝑤)
127	126	adantr 480	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((2_o = 1_o ∧ ⟨𝑗, (1^st ‘𝑠)⟩ = ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩) → 𝑦 = 𝑤)
128	125, 127	sylbi 216	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩ = ⟨1_o, ⟨(1^st ‘𝑢), (1^st ‘𝑣)⟩⟩ → 𝑦 = 𝑤)
129	122, 128	sylbi 216	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (∀_𝑔𝑗(1^st ‘𝑠) = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) → 𝑦 = 𝑤)
130	116, 129	syl6bi 253	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) → 𝑦 = 𝑤))
131	130	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) → 𝑦 = 𝑤))
132	131	com12 32	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤))
133	132	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤))
134	133	rexlimivw 3143	. . . . . . . . . . . . . . . 16 ⊢ (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤))
135	134	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
136		eqeq1 2728	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ↔ ∀_𝑔𝑖(1^st ‘𝑢) = ∀_𝑔𝑗(1^st ‘𝑠)))
137	77, 117	eqeq12i 2742	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (∀_𝑔𝑖(1^st ‘𝑢) = ∀_𝑔𝑗(1^st ‘𝑠) ↔ ⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩ = ⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩)
138		opex 5454	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ⟨𝑖, (1^st ‘𝑢)⟩ ∈ V
139	123, 138	opth 5466	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (⟨2_o, ⟨𝑖, (1^st ‘𝑢)⟩⟩ = ⟨2_o, ⟨𝑗, (1^st ‘𝑠)⟩⟩ ↔ (2_o = 2_o ∧ ⟨𝑖, (1^st ‘𝑢)⟩ = ⟨𝑗, (1^st ‘𝑠)⟩))
140		vex 3470	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ 𝑖 ∈ V
141	140, 118	opth 5466	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (⟨𝑖, (1^st ‘𝑢)⟩ = ⟨𝑗, (1^st ‘𝑠)⟩ ↔ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)))
142	141	anbi2i 622	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((2_o = 2_o ∧ ⟨𝑖, (1^st ‘𝑢)⟩ = ⟨𝑗, (1^st ‘𝑠)⟩) ↔ (2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠))))
143	137, 139, 142	3bitri 297	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (∀_𝑔𝑖(1^st ‘𝑢) = ∀_𝑔𝑗(1^st ‘𝑠) ↔ (2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠))))
144	136, 143	bitrdi 287	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ↔ (2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)))))
145	144	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) ∧ 𝑥 = ∀_𝑔𝑖(1^st ‘𝑢)) → (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ↔ (2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)))))
146	55	a1i 11	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → 𝑠 ∈ (𝑆‘suc 𝑁)))
147		funfv1st2nd 8025	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ 𝑠 ∈ (𝑆‘suc 𝑁)) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠))
148	147	ex 412	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ (Fun (𝑆‘suc 𝑁) → (𝑠 ∈ (𝑆‘suc 𝑁) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠)))
149	148	adantr 480	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑠 ∈ (𝑆‘suc 𝑁) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠)))
150		funfv1st2nd 8025	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ 𝑢 ∈ (𝑆‘suc 𝑁)) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢))
151	150	ex 412	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ (Fun (𝑆‘suc 𝑁) → (𝑢 ∈ (𝑆‘suc 𝑁) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢)))
152	151	adantr 480	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑢 ∈ (𝑆‘suc 𝑁) → ((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢)))
153		fveqeq2 6890	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ⊢ ((1^st ‘𝑢) = (1^st ‘𝑠) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢) ↔ ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑢)))
154		eqtr2 2748	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ⊢ ((((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑢) ∧ ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠)) → (2^nd ‘𝑢) = (2^nd ‘𝑠))
155	28	eqcomd 2730	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 ⊢ (𝑖 = 𝑗 → ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) = ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))))
156	155	adantl 481	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) = ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))))
157		simpl 482	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → (2^nd ‘𝑢) = (2^nd ‘𝑠))
158	157	eqcomd 2730	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → (2^nd ‘𝑠) = (2^nd ‘𝑢))
159	156, 158	eleq12d 2819	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → (({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠) ↔ ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)))
160	159	ralbidv 3169	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → (∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠) ↔ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)))
161	160	rabbidv 3432	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2^nd ‘𝑢)})
162	161, 21	eqtr4di 2782	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} = 𝐵)
163		eqeq12 2741	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 ⊢ ((𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} ∧ 𝑤 = 𝐵) → (𝑦 = 𝑤 ↔ {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} = 𝐵))
164	162, 163	syl5ibrcom 246	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ⊢ (((2^nd ‘𝑢) = (2^nd ‘𝑠) ∧ 𝑖 = 𝑗) → ((𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} ∧ 𝑤 = 𝐵) → 𝑦 = 𝑤))
165	164	exp4b 430	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ⊢ ((2^nd ‘𝑢) = (2^nd ‘𝑠) → (𝑖 = 𝑗 → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
166	154, 165	syl 17	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ⊢ ((((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑢) ∧ ((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠)) → (𝑖 = 𝑗 → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
167	166	ex 412	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ⊢ (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑢) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → (𝑖 = 𝑗 → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤)))))
168	153, 167	syl6bi 253	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ ((1^st ‘𝑢) = (1^st ‘𝑠) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → (𝑖 = 𝑗 → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))))
169	168	com24 95	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ ((1^st ‘𝑢) = (1^st ‘𝑠) → (𝑖 = 𝑗 → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))))
170	169	impcom 407	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤)))))
171	170	com13 88	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ (((𝑆‘suc 𝑁)‘(1^st ‘𝑢)) = (2^nd ‘𝑢) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤)))))
172	59, 152, 171	syl56 36	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))))
173	172	com23 86	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (((𝑆‘suc 𝑁)‘(1^st ‘𝑠)) = (2^nd ‘𝑠) → (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))))
174	146, 149, 173	3syld 60	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))))
175	174	imp 406	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤)))))
176	175	adantr 480	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) → (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤)))))
177	176	imp 406	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠)) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
178	177	adantld 490	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠))) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
179	178	ad2antrr 723	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) ∧ 𝑥 = ∀_𝑔𝑖(1^st ‘𝑢)) → ((2_o = 2_o ∧ (𝑖 = 𝑗 ∧ (1^st ‘𝑢) = (1^st ‘𝑠))) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
180	145, 179	sylbid 239	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) ∧ 𝑥 = ∀_𝑔𝑖(1^st ‘𝑢)) → (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) → (𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)} → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
181	180	impd 410	. . . . . . . . . . . . . . . . . . 19 ⊢ (((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) ∧ 𝑥 = ∀_𝑔𝑖(1^st ‘𝑢)) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → (𝑤 = 𝐵 → 𝑦 = 𝑤)))
182	181	ex 412	. . . . . . . . . . . . . . . . . 18 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → (𝑤 = 𝐵 → 𝑦 = 𝑤))))
183	182	com34 91	. . . . . . . . . . . . . . . . 17 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) → (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) → (𝑤 = 𝐵 → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤))))
184	183	impd 410	. . . . . . . . . . . . . . . 16 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
185	184	rexlimdva 3147	. . . . . . . . . . . . . . 15 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
186	135, 185	jaod 856	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
187	186	rexlimdva 3147	. . . . . . . . . . . . 13 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) → (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
188	133	a1i 11	. . . . . . . . . . . . . . 15 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ (𝑆‘𝑁)) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
189	188	rexlimdva 3147	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) ∧ 𝑢 ∈ (𝑆‘𝑁)) → (∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
190	189	rexlimdva 3147	. . . . . . . . . . . . 13 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) → (∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
191	187, 190	jaod 856	. . . . . . . . . . . 12 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → 𝑦 = 𝑤)))
192	191	com23 86	. . . . . . . . . . 11 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑗 ∈ ω) → ((𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
193	192	rexlimdva 3147	. . . . . . . . . 10 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)}) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
194	115, 193	jaod 856	. . . . . . . . 9 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ 𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
195	194	rexlimdva 3147	. . . . . . . 8 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (∃𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
196		simplll 772	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) → Fun (𝑆‘suc 𝑁))
197		ssel 3967	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁) → (𝑠 ∈ (𝑆‘𝑁) → 𝑠 ∈ (𝑆‘suc 𝑁)))
198	197	adantrd 491	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁) → ((𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → 𝑠 ∈ (𝑆‘suc 𝑁)))
199	198	adantl 481	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ((𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → 𝑠 ∈ (𝑆‘suc 𝑁)))
200	199	imp 406	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑠 ∈ (𝑆‘suc 𝑁))
201		eldifi 4118	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) → 𝑟 ∈ (𝑆‘suc 𝑁))
202	201	ad2antll 726	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑟 ∈ (𝑆‘suc 𝑁))
203	200, 202	jca 511	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
204	203	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
205	59	anim1i 614	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)))
206	205	adantl 481	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) → (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)))
207	196, 204, 206	3jca 1125	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) → (Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))))
208	207	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) ∧ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → (Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))))
209		simprl 768	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) ∧ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))))
210	66	ad2antll 726	. . . . . . . . . . . . . . . . . 18 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) ∧ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑢) ∩ (2^nd ‘𝑣)))))
211	208, 209, 210, 67	syl3anc 1368	. . . . . . . . . . . . . . . . 17 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) ∧ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → 𝑦 = 𝑤)
212	211	exp32 420	. . . . . . . . . . . . . . . 16 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
213	212	impancom 451	. . . . . . . . . . . . . . 15 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → ((𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
214	213	expdimp 452	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (𝑣 ∈ (𝑆‘suc 𝑁) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
215	214	rexlimdv 3145	. . . . . . . . . . . . 13 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤))
216	90	adantrd 491	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → 𝑦 = 𝑤))
217	216	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → 𝑦 = 𝑤))
218	217	ad3antlr 728	. . . . . . . . . . . . . 14 ⊢ ((((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) ∧ 𝑖 ∈ ω) → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → 𝑦 = 𝑤))
219	218	rexlimdva 3147	. . . . . . . . . . . . 13 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵) → 𝑦 = 𝑤))
220	215, 219	jaod 856	. . . . . . . . . . . 12 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) ∧ 𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → 𝑦 = 𝑤))
221	220	rexlimdva 3147	. . . . . . . . . . 11 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) → 𝑦 = 𝑤))
222		simplll 772	. . . . . . . . . . . . . . . 16 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → Fun (𝑆‘suc 𝑁))
223	203	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)))
224	100	adantl 481	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (𝑢 ∈ (𝑆‘𝑁) → 𝑢 ∈ (𝑆‘suc 𝑁)))
225	224	adantr 480	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑢 ∈ (𝑆‘𝑁) → 𝑢 ∈ (𝑆‘suc 𝑁)))
226	225	com12 32	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑢 ∈ (𝑆‘𝑁) → (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑢 ∈ (𝑆‘suc 𝑁)))
227	226	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑢 ∈ (𝑆‘suc 𝑁)))
228	227	impcom 407	. . . . . . . . . . . . . . . . 17 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑢 ∈ (𝑆‘suc 𝑁))
229	105	ad2antll 726	. . . . . . . . . . . . . . . . 17 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → 𝑣 ∈ (𝑆‘suc 𝑁))
230	228, 229	jca 511	. . . . . . . . . . . . . . . 16 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁)))
231	222, 223, 230	3jca 1125	. . . . . . . . . . . . . . 15 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → (Fun (𝑆‘suc 𝑁) ∧ (𝑠 ∈ (𝑆‘suc 𝑁) ∧ 𝑟 ∈ (𝑆‘suc 𝑁)) ∧ (𝑢 ∈ (𝑆‘suc 𝑁) ∧ 𝑣 ∈ (𝑆‘suc 𝑁))))
232	231, 63, 66, 67	syl3an 1157	. . . . . . . . . . . . . 14 ⊢ (((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∧ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)
233	232	3exp 1116	. . . . . . . . . . . . 13 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
234	233	impancom 451	. . . . . . . . . . . 12 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → ((𝑢 ∈ (𝑆‘𝑁) ∧ 𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))) → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤)))
235	234	rexlimdvv 3202	. . . . . . . . . . 11 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → (∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) → 𝑦 = 𝑤))
236	221, 235	jaod 856	. . . . . . . . . 10 ⊢ ((((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) ∧ (𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤))
237	236	ex 412	. . . . . . . . 9 ⊢ (((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) ∧ (𝑠 ∈ (𝑆‘𝑁) ∧ 𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁)))) → ((𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
238	237	rexlimdvva 3203	. . . . . . . 8 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (∃𝑠 ∈ (𝑆‘𝑁)∃𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
239	195, 238	jaod 856	. . . . . . 7 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ((∃𝑠 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑟 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟)))) ∨ ∃𝑗 ∈ ω (𝑥 = ∀_𝑔𝑗(1^st ‘𝑠) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑_m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑗, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑗}))) ∈ (2^nd ‘𝑠)})) ∨ ∃𝑠 ∈ (𝑆‘𝑁)∃𝑟 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑠)⊼_𝑔(1^st ‘𝑟)) ∧ 𝑦 = ((𝑀 ↑_m ω) ∖ ((2^nd ‘𝑠) ∩ (2^nd ‘𝑟))))) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
240	53, 239	biimtrid 241	. . . . . 6 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)) → 𝑦 = 𝑤)))
241	240	impd 410	. . . . 5 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → (((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ∧ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → 𝑦 = 𝑤))
242	241	alrimivv 1923	. . . 4 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ∀𝑦∀𝑤(((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ∧ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → 𝑦 = 𝑤))
243		eqeq1 2728	. . . . . . . . . 10 ⊢ (𝑦 = 𝑤 → (𝑦 = 𝐴 ↔ 𝑤 = 𝐴))
244	243	anbi2d 628	. . . . . . . . 9 ⊢ (𝑦 = 𝑤 → ((𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ (𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)))
245	244	rexbidv 3170	. . . . . . . 8 ⊢ (𝑦 = 𝑤 → (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ ∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)))
246		eqeq1 2728	. . . . . . . . . 10 ⊢ (𝑦 = 𝑤 → (𝑦 = 𝐵 ↔ 𝑤 = 𝐵))
247	246	anbi2d 628	. . . . . . . . 9 ⊢ (𝑦 = 𝑤 → ((𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵) ↔ (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)))
248	247	rexbidv 3170	. . . . . . . 8 ⊢ (𝑦 = 𝑤 → (∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵) ↔ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)))
249	245, 248	orbi12d 915	. . . . . . 7 ⊢ (𝑦 = 𝑤 → ((∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ↔ (∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵))))
250	249	rexbidv 3170	. . . . . 6 ⊢ (𝑦 = 𝑤 → (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ↔ ∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵))))
251	244	2rexbidv 3211	. . . . . 6 ⊢ (𝑦 = 𝑤 → (∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ↔ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴)))
252	250, 251	orbi12d 915	. . . . 5 ⊢ (𝑦 = 𝑤 → ((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ↔ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))))
253	252	mo4 2552	. . . 4 ⊢ (∃*𝑦(∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ↔ ∀𝑦∀𝑤(((∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)) ∧ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑤 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑤 = 𝐴))) → 𝑦 = 𝑤))
254	242, 253	sylibr 233	. . 3 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ∃*𝑦(∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)))
255	254	alrimiv 1922	. 2 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → ∀𝑥∃*𝑦(∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)))
256		funopab 6573	. 2 ⊢ (Fun {⟨𝑥, 𝑦⟩ ∣ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴))} ↔ ∀𝑥∃*𝑦(∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴)))
257	255, 256	sylibr 233	1 ⊢ ((Fun (𝑆‘suc 𝑁) ∧ (𝑆‘𝑁) ⊆ (𝑆‘suc 𝑁)) → Fun {⟨𝑥, 𝑦⟩ ∣ (∃𝑢 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(∃𝑣 ∈ (𝑆‘suc 𝑁)(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴) ∨ ∃𝑖 ∈ ω (𝑥 = ∀_𝑔𝑖(1^st ‘𝑢) ∧ 𝑦 = 𝐵)) ∨ ∃𝑢 ∈ (𝑆‘𝑁)∃𝑣 ∈ ((𝑆‘suc 𝑁) ∖ (𝑆‘𝑁))(𝑥 = ((1^st ‘𝑢)⊼_𝑔(1^st ‘𝑣)) ∧ 𝑦 = 𝐴))})

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 844 ∧ w3a 1084 ∀wal 1531 = wceq 1533 ∈ wcel 2098 ∃*wmo 2524 ≠ wne 2932 ∀wral 3053 ∃wrex 3062 {crab 3424 Vcvv 3466 ∖ cdif 3937 ∪ cun 3938 ∩ cin 3939 ⊆ wss 3940 {csn 4620 ⟨cop 4626 {copab 5200 ↾ cres 5668 suc csuc 6356 Fun wfun 6527 ‘cfv 6533 (class class class)co 7401 ωcom 7848 1^st c1st 7966 2^nd c2nd 7967 1_oc1o 8454 2_oc2o 8455 ↑_m cmap 8816 ⊼_𝑔cgna 34814 ∀_𝑔cgol 34815 Sat csat 34816

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-sep 5289 ax-nul 5296 ax-pr 5417 ax-un 7718

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-ral 3054 df-rex 3063 df-rab 3425 df-v 3468 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-pss 3959 df-nul 4315 df-if 4521 df-pw 4596 df-sn 4621 df-pr 4623 df-op 4627 df-uni 4900 df-br 5139 df-opab 5201 df-mpt 5222 df-tr 5256 df-id 5564 df-eprel 5570 df-po 5578 df-so 5579 df-fr 5621 df-we 5623 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ord 6357 df-on 6358 df-lim 6359 df-suc 6360 df-iota 6485 df-fun 6535 df-fv 6541 df-ov 7404 df-om 7849 df-1st 7968 df-2nd 7969 df-1o 8461 df-2o 8462 df-gona 34821 df-goal 34822

This theorem is referenced by: satffunlem2 34888

W3C validator