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Theorem elqaalem3 25834

Description: Lemma for elqaa 25835. (Contributed by Mario Carneiro, 23-Jul-2014.) (Revised by AV, 3-Oct-2020.)

**Hypotheses**
Ref	Expression
elqaa.1	⊢ (𝜑 → 𝐴 ∈ ℂ)
elqaa.2	⊢ (𝜑 → 𝐹 ∈ ((Poly‘ℚ) ∖ {0_𝑝}))
elqaa.3	⊢ (𝜑 → (𝐹‘𝐴) = 0)
elqaa.4	⊢ 𝐵 = (coeff‘𝐹)
elqaa.5	⊢ 𝑁 = (𝑘 ∈ ℕ₀ ↦ inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑘) · 𝑛) ∈ ℤ}, ℝ, < ))
elqaa.6	⊢ 𝑅 = (seq0( · , 𝑁)‘(deg‘𝐹))

**Assertion**
Ref	Expression
elqaalem3	⊢ (𝜑 → 𝐴 ∈ 𝔸)

Distinct variable groups: 𝑘,𝑛,𝐴 𝐵,𝑘,𝑛 𝜑,𝑘 𝑘,𝑁,𝑛 𝑅,𝑘 Allowed substitution hints: 𝜑(𝑛) 𝑅(𝑛) 𝐹(𝑘,𝑛)

Proof of Theorem elqaalem3 Dummy variables 𝑓 𝑚 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		elqaa.1	. 2 ⊢ (𝜑 → 𝐴 ∈ ℂ)
2		cnex 11191	. . . . . . . 8 ⊢ ℂ ∈ V
3	2	a1i 11	. . . . . . 7 ⊢ (𝜑 → ℂ ∈ V)
4		elqaa.6	. . . . . . . . 9 ⊢ 𝑅 = (seq0( · , 𝑁)‘(deg‘𝐹))
5	4	fvexi 6906	. . . . . . . 8 ⊢ 𝑅 ∈ V
6	5	a1i 11	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝑅 ∈ V)
7		fvexd 6907	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝐹‘𝑧) ∈ V)
8		fconstmpt 5739	. . . . . . . 8 ⊢ (ℂ × {𝑅}) = (𝑧 ∈ ℂ ↦ 𝑅)
9	8	a1i 11	. . . . . . 7 ⊢ (𝜑 → (ℂ × {𝑅}) = (𝑧 ∈ ℂ ↦ 𝑅))
10		elqaa.2	. . . . . . . . . 10 ⊢ (𝜑 → 𝐹 ∈ ((Poly‘ℚ) ∖ {0_𝑝}))
11	10	eldifad 3961	. . . . . . . . 9 ⊢ (𝜑 → 𝐹 ∈ (Poly‘ℚ))
12		plyf 25712	. . . . . . . . 9 ⊢ (𝐹 ∈ (Poly‘ℚ) → 𝐹:ℂ⟶ℂ)
13	11, 12	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐹:ℂ⟶ℂ)
14	13	feqmptd 6961	. . . . . . 7 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ (𝐹‘𝑧)))
15	3, 6, 7, 9, 14	offval2 7690	. . . . . 6 ⊢ (𝜑 → ((ℂ × {𝑅}) ∘_f · 𝐹) = (𝑧 ∈ ℂ ↦ (𝑅 · (𝐹‘𝑧))))
16		fzfid 13938	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...(deg‘𝐹)) ∈ Fin)
17		nn0uz 12864	. . . . . . . . . . . . . 14 ⊢ ℕ₀ = (ℤ_≥‘0)
18		0zd 12570	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 0 ∈ ℤ)
19		ssrab2 4078	. . . . . . . . . . . . . . 15 ⊢ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ⊆ ℕ
20		fveq2 6892	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑘 = 𝑚 → (𝐵‘𝑘) = (𝐵‘𝑚))
21	20	oveq1d 7424	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑘 = 𝑚 → ((𝐵‘𝑘) · 𝑛) = ((𝐵‘𝑚) · 𝑛))
22	21	eleq1d 2819	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑘 = 𝑚 → (((𝐵‘𝑘) · 𝑛) ∈ ℤ ↔ ((𝐵‘𝑚) · 𝑛) ∈ ℤ))
23	22	rabbidv 3441	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 = 𝑚 → {𝑛 ∈ ℕ ∣ ((𝐵‘𝑘) · 𝑛) ∈ ℤ} = {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ})
24	23	infeq1d 9472	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = 𝑚 → inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑘) · 𝑛) ∈ ℤ}, ℝ, < ) = inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ))
25		elqaa.5	. . . . . . . . . . . . . . . . . 18 ⊢ 𝑁 = (𝑘 ∈ ℕ₀ ↦ inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑘) · 𝑛) ∈ ℤ}, ℝ, < ))
26		ltso 11294	. . . . . . . . . . . . . . . . . . 19 ⊢ < Or ℝ
27	26	infex 9488	. . . . . . . . . . . . . . . . . 18 ⊢ inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ) ∈ V
28	24, 25, 27	fvmpt 6999	. . . . . . . . . . . . . . . . 17 ⊢ (𝑚 ∈ ℕ₀ → (𝑁‘𝑚) = inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ))
29	28	adantl 483	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑁‘𝑚) = inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ))
30		nnuz 12865	. . . . . . . . . . . . . . . . . 18 ⊢ ℕ = (ℤ_≥‘1)
31	19, 30	sseqtri 4019	. . . . . . . . . . . . . . . . 17 ⊢ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ⊆ (ℤ_≥‘1)
32		0z 12569	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ 0 ∈ ℤ
33		zq 12938	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (0 ∈ ℤ → 0 ∈ ℚ)
34	32, 33	ax-mp 5	. . . . . . . . . . . . . . . . . . . . 21 ⊢ 0 ∈ ℚ
35		elqaa.4	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ 𝐵 = (coeff‘𝐹)
36	35	coef2 25745	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐹 ∈ (Poly‘ℚ) ∧ 0 ∈ ℚ) → 𝐵:ℕ₀⟶ℚ)
37	11, 34, 36	sylancl 587	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → 𝐵:ℕ₀⟶ℚ)
38	37	ffvelcdmda 7087	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝐵‘𝑚) ∈ ℚ)
39		qmulz 12935	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐵‘𝑚) ∈ ℚ → ∃𝑛 ∈ ℕ ((𝐵‘𝑚) · 𝑛) ∈ ℤ)
40	38, 39	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → ∃𝑛 ∈ ℕ ((𝐵‘𝑚) · 𝑛) ∈ ℤ)
41		rabn0 4386	. . . . . . . . . . . . . . . . . 18 ⊢ ({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ≠ ∅ ↔ ∃𝑛 ∈ ℕ ((𝐵‘𝑚) · 𝑛) ∈ ℤ)
42	40, 41	sylibr 233	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ≠ ∅)
43		infssuzcl 12916	. . . . . . . . . . . . . . . . 17 ⊢ (({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ⊆ (ℤ_≥‘1) ∧ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ≠ ∅) → inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ) ∈ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ})
44	31, 42, 43	sylancr 588	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → inf({𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ}, ℝ, < ) ∈ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ})
45	29, 44	eqeltrd 2834	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑁‘𝑚) ∈ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ})
46	19, 45	sselid 3981	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑁‘𝑚) ∈ ℕ)
47		nnmulcl 12236	. . . . . . . . . . . . . . 15 ⊢ ((𝑚 ∈ ℕ ∧ 𝑘 ∈ ℕ) → (𝑚 · 𝑘) ∈ ℕ)
48	47	adantl 483	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑘 ∈ ℕ)) → (𝑚 · 𝑘) ∈ ℕ)
49	17, 18, 46, 48	seqf 13989	. . . . . . . . . . . . 13 ⊢ (𝜑 → seq0( · , 𝑁):ℕ₀⟶ℕ)
50		dgrcl 25747	. . . . . . . . . . . . . 14 ⊢ (𝐹 ∈ (Poly‘ℚ) → (deg‘𝐹) ∈ ℕ₀)
51	11, 50	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → (deg‘𝐹) ∈ ℕ₀)
52	49, 51	ffvelcdmd 7088	. . . . . . . . . . . 12 ⊢ (𝜑 → (seq0( · , 𝑁)‘(deg‘𝐹)) ∈ ℕ)
53	4, 52	eqeltrid 2838	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑅 ∈ ℕ)
54	53	nncnd 12228	. . . . . . . . . 10 ⊢ (𝜑 → 𝑅 ∈ ℂ)
55	54	adantr 482	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝑅 ∈ ℂ)
56		elfznn0 13594	. . . . . . . . . 10 ⊢ (𝑚 ∈ (0...(deg‘𝐹)) → 𝑚 ∈ ℕ₀)
57	35	coef3 25746	. . . . . . . . . . . . . 14 ⊢ (𝐹 ∈ (Poly‘ℚ) → 𝐵:ℕ₀⟶ℂ)
58	11, 57	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐵:ℕ₀⟶ℂ)
59	58	adantr 482	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝐵:ℕ₀⟶ℂ)
60	59	ffvelcdmda 7087	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ ℕ₀) → (𝐵‘𝑚) ∈ ℂ)
61		expcl 14045	. . . . . . . . . . . 12 ⊢ ((𝑧 ∈ ℂ ∧ 𝑚 ∈ ℕ₀) → (𝑧↑𝑚) ∈ ℂ)
62	61	adantll 713	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ ℕ₀) → (𝑧↑𝑚) ∈ ℂ)
63	60, 62	mulcld 11234	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ ℕ₀) → ((𝐵‘𝑚) · (𝑧↑𝑚)) ∈ ℂ)
64	56, 63	sylan2 594	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ (0...(deg‘𝐹))) → ((𝐵‘𝑚) · (𝑧↑𝑚)) ∈ ℂ)
65	16, 55, 64	fsummulc2 15730	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝑅 · Σ𝑚 ∈ (0...(deg‘𝐹))((𝐵‘𝑚) · (𝑧↑𝑚))) = Σ𝑚 ∈ (0...(deg‘𝐹))(𝑅 · ((𝐵‘𝑚) · (𝑧↑𝑚))))
66		eqid 2733	. . . . . . . . . . 11 ⊢ (deg‘𝐹) = (deg‘𝐹)
67	35, 66	coeid2 25753	. . . . . . . . . 10 ⊢ ((𝐹 ∈ (Poly‘ℚ) ∧ 𝑧 ∈ ℂ) → (𝐹‘𝑧) = Σ𝑚 ∈ (0...(deg‘𝐹))((𝐵‘𝑚) · (𝑧↑𝑚)))
68	11, 67	sylan 581	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝐹‘𝑧) = Σ𝑚 ∈ (0...(deg‘𝐹))((𝐵‘𝑚) · (𝑧↑𝑚)))
69	68	oveq2d 7425	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝑅 · (𝐹‘𝑧)) = (𝑅 · Σ𝑚 ∈ (0...(deg‘𝐹))((𝐵‘𝑚) · (𝑧↑𝑚))))
70	55	adantr 482	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ ℕ₀) → 𝑅 ∈ ℂ)
71	70, 60, 62	mulassd 11237	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ ℕ₀) → ((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚)) = (𝑅 · ((𝐵‘𝑚) · (𝑧↑𝑚))))
72	56, 71	sylan2 594	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑚 ∈ (0...(deg‘𝐹))) → ((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚)) = (𝑅 · ((𝐵‘𝑚) · (𝑧↑𝑚))))
73	72	sumeq2dv 15649	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑚 ∈ (0...(deg‘𝐹))((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚)) = Σ𝑚 ∈ (0...(deg‘𝐹))(𝑅 · ((𝐵‘𝑚) · (𝑧↑𝑚))))
74	65, 69, 73	3eqtr4d 2783	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝑅 · (𝐹‘𝑧)) = Σ𝑚 ∈ (0...(deg‘𝐹))((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚)))
75	74	mpteq2dva 5249	. . . . . 6 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ (𝑅 · (𝐹‘𝑧))) = (𝑧 ∈ ℂ ↦ Σ𝑚 ∈ (0...(deg‘𝐹))((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚))))
76	15, 75	eqtrd 2773	. . . . 5 ⊢ (𝜑 → ((ℂ × {𝑅}) ∘_f · 𝐹) = (𝑧 ∈ ℂ ↦ Σ𝑚 ∈ (0...(deg‘𝐹))((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚))))
77		zsscn 12566	. . . . . . 7 ⊢ ℤ ⊆ ℂ
78	77	a1i 11	. . . . . 6 ⊢ (𝜑 → ℤ ⊆ ℂ)
79	54	adantr 482	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → 𝑅 ∈ ℂ)
80	46	nncnd 12228	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑁‘𝑚) ∈ ℂ)
81	46	nnne0d 12262	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑁‘𝑚) ≠ 0)
82	79, 80, 81	divcan2d 11992	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → ((𝑁‘𝑚) · (𝑅 / (𝑁‘𝑚))) = 𝑅)
83	82	oveq2d 7425	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → ((𝐵‘𝑚) · ((𝑁‘𝑚) · (𝑅 / (𝑁‘𝑚)))) = ((𝐵‘𝑚) · 𝑅))
84	58	ffvelcdmda 7087	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝐵‘𝑚) ∈ ℂ)
85	79, 80, 81	divcld 11990	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑅 / (𝑁‘𝑚)) ∈ ℂ)
86	84, 80, 85	mulassd 11237	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (((𝐵‘𝑚) · (𝑁‘𝑚)) · (𝑅 / (𝑁‘𝑚))) = ((𝐵‘𝑚) · ((𝑁‘𝑚) · (𝑅 / (𝑁‘𝑚)))))
87	79, 84	mulcomd 11235	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑅 · (𝐵‘𝑚)) = ((𝐵‘𝑚) · 𝑅))
88	83, 86, 87	3eqtr4rd 2784	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → (𝑅 · (𝐵‘𝑚)) = (((𝐵‘𝑚) · (𝑁‘𝑚)) · (𝑅 / (𝑁‘𝑚))))
89	56, 88	sylan2 594	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (𝑅 · (𝐵‘𝑚)) = (((𝐵‘𝑚) · (𝑁‘𝑚)) · (𝑅 / (𝑁‘𝑚))))
90		oveq2 7417	. . . . . . . . . . . . 13 ⊢ (𝑛 = (𝑁‘𝑚) → ((𝐵‘𝑚) · 𝑛) = ((𝐵‘𝑚) · (𝑁‘𝑚)))
91	90	eleq1d 2819	. . . . . . . . . . . 12 ⊢ (𝑛 = (𝑁‘𝑚) → (((𝐵‘𝑚) · 𝑛) ∈ ℤ ↔ ((𝐵‘𝑚) · (𝑁‘𝑚)) ∈ ℤ))
92	91	elrab 3684	. . . . . . . . . . 11 ⊢ ((𝑁‘𝑚) ∈ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} ↔ ((𝑁‘𝑚) ∈ ℕ ∧ ((𝐵‘𝑚) · (𝑁‘𝑚)) ∈ ℤ))
93	92	simprbi 498	. . . . . . . . . 10 ⊢ ((𝑁‘𝑚) ∈ {𝑛 ∈ ℕ ∣ ((𝐵‘𝑚) · 𝑛) ∈ ℤ} → ((𝐵‘𝑚) · (𝑁‘𝑚)) ∈ ℤ)
94	45, 93	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ ℕ₀) → ((𝐵‘𝑚) · (𝑁‘𝑚)) ∈ ℤ)
95	56, 94	sylan2 594	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → ((𝐵‘𝑚) · (𝑁‘𝑚)) ∈ ℤ)
96		elqaa.3	. . . . . . . . . 10 ⊢ (𝜑 → (𝐹‘𝐴) = 0)
97		eqid 2733	. . . . . . . . . 10 ⊢ (𝑥 ∈ V, 𝑦 ∈ V ↦ ((𝑥 · 𝑦) mod (𝑁‘𝑚))) = (𝑥 ∈ V, 𝑦 ∈ V ↦ ((𝑥 · 𝑦) mod (𝑁‘𝑚)))
98	1, 10, 96, 35, 25, 4, 97	elqaalem2 25833	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (𝑅 mod (𝑁‘𝑚)) = 0)
99	53	adantr 482	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → 𝑅 ∈ ℕ)
100	56, 46	sylan2 594	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (𝑁‘𝑚) ∈ ℕ)
101		nnre 12219	. . . . . . . . . . 11 ⊢ (𝑅 ∈ ℕ → 𝑅 ∈ ℝ)
102		nnrp 12985	. . . . . . . . . . 11 ⊢ ((𝑁‘𝑚) ∈ ℕ → (𝑁‘𝑚) ∈ ℝ⁺)
103		mod0 13841	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ ℝ ∧ (𝑁‘𝑚) ∈ ℝ⁺) → ((𝑅 mod (𝑁‘𝑚)) = 0 ↔ (𝑅 / (𝑁‘𝑚)) ∈ ℤ))
104	101, 102, 103	syl2an 597	. . . . . . . . . 10 ⊢ ((𝑅 ∈ ℕ ∧ (𝑁‘𝑚) ∈ ℕ) → ((𝑅 mod (𝑁‘𝑚)) = 0 ↔ (𝑅 / (𝑁‘𝑚)) ∈ ℤ))
105	99, 100, 104	syl2anc 585	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → ((𝑅 mod (𝑁‘𝑚)) = 0 ↔ (𝑅 / (𝑁‘𝑚)) ∈ ℤ))
106	98, 105	mpbid 231	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (𝑅 / (𝑁‘𝑚)) ∈ ℤ)
107	95, 106	zmulcld 12672	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (((𝐵‘𝑚) · (𝑁‘𝑚)) · (𝑅 / (𝑁‘𝑚))) ∈ ℤ)
108	89, 107	eqeltrd 2834	. . . . . 6 ⊢ ((𝜑 ∧ 𝑚 ∈ (0...(deg‘𝐹))) → (𝑅 · (𝐵‘𝑚)) ∈ ℤ)
109	78, 51, 108	elplyd 25716	. . . . 5 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ Σ𝑚 ∈ (0...(deg‘𝐹))((𝑅 · (𝐵‘𝑚)) · (𝑧↑𝑚))) ∈ (Poly‘ℤ))
110	76, 109	eqeltrd 2834	. . . 4 ⊢ (𝜑 → ((ℂ × {𝑅}) ∘_f · 𝐹) ∈ (Poly‘ℤ))
111		eldifsn 4791	. . . . . . 7 ⊢ (𝐹 ∈ ((Poly‘ℚ) ∖ {0_𝑝}) ↔ (𝐹 ∈ (Poly‘ℚ) ∧ 𝐹 ≠ 0_𝑝))
112	10, 111	sylib 217	. . . . . 6 ⊢ (𝜑 → (𝐹 ∈ (Poly‘ℚ) ∧ 𝐹 ≠ 0_𝑝))
113	112	simprd 497	. . . . 5 ⊢ (𝜑 → 𝐹 ≠ 0_𝑝)
114		oveq1 7416	. . . . . . 7 ⊢ (((ℂ × {𝑅}) ∘_f · 𝐹) = 0_𝑝 → (((ℂ × {𝑅}) ∘_f · 𝐹) ∘_f / (ℂ × {𝑅})) = (0_𝑝 ∘_f / (ℂ × {𝑅})))
115	13	ffvelcdmda 7087	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝐹‘𝑧) ∈ ℂ)
116	53	nnne0d 12262	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑅 ≠ 0)
117	116	adantr 482	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝑅 ≠ 0)
118	115, 55, 117	divcan3d 11995	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑅 · (𝐹‘𝑧)) / 𝑅) = (𝐹‘𝑧))
119	118	mpteq2dva 5249	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ ((𝑅 · (𝐹‘𝑧)) / 𝑅)) = (𝑧 ∈ ℂ ↦ (𝐹‘𝑧)))
120		ovexd 7444	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝑅 · (𝐹‘𝑧)) ∈ V)
121	3, 120, 6, 15, 9	offval2 7690	. . . . . . . . 9 ⊢ (𝜑 → (((ℂ × {𝑅}) ∘_f · 𝐹) ∘_f / (ℂ × {𝑅})) = (𝑧 ∈ ℂ ↦ ((𝑅 · (𝐹‘𝑧)) / 𝑅)))
122	119, 121, 14	3eqtr4d 2783	. . . . . . . 8 ⊢ (𝜑 → (((ℂ × {𝑅}) ∘_f · 𝐹) ∘_f / (ℂ × {𝑅})) = 𝐹)
123	54, 116	div0d 11989	. . . . . . . . . 10 ⊢ (𝜑 → (0 / 𝑅) = 0)
124	123	mpteq2dv 5251	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ (0 / 𝑅)) = (𝑧 ∈ ℂ ↦ 0))
125		0cnd 11207	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 0 ∈ ℂ)
126		df-0p 25187	. . . . . . . . . . . 12 ⊢ 0_𝑝 = (ℂ × {0})
127		fconstmpt 5739	. . . . . . . . . . . 12 ⊢ (ℂ × {0}) = (𝑧 ∈ ℂ ↦ 0)
128	126, 127	eqtri 2761	. . . . . . . . . . 11 ⊢ 0_𝑝 = (𝑧 ∈ ℂ ↦ 0)
129	128	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → 0_𝑝 = (𝑧 ∈ ℂ ↦ 0))
130	3, 125, 6, 129, 9	offval2 7690	. . . . . . . . 9 ⊢ (𝜑 → (0_𝑝 ∘_f / (ℂ × {𝑅})) = (𝑧 ∈ ℂ ↦ (0 / 𝑅)))
131	124, 130, 129	3eqtr4d 2783	. . . . . . . 8 ⊢ (𝜑 → (0_𝑝 ∘_f / (ℂ × {𝑅})) = 0_𝑝)
132	122, 131	eqeq12d 2749	. . . . . . 7 ⊢ (𝜑 → ((((ℂ × {𝑅}) ∘_f · 𝐹) ∘_f / (ℂ × {𝑅})) = (0_𝑝 ∘_f / (ℂ × {𝑅})) ↔ 𝐹 = 0_𝑝))
133	114, 132	imbitrid 243	. . . . . 6 ⊢ (𝜑 → (((ℂ × {𝑅}) ∘_f · 𝐹) = 0_𝑝 → 𝐹 = 0_𝑝))
134	133	necon3d 2962	. . . . 5 ⊢ (𝜑 → (𝐹 ≠ 0_𝑝 → ((ℂ × {𝑅}) ∘_f · 𝐹) ≠ 0_𝑝))
135	113, 134	mpd 15	. . . 4 ⊢ (𝜑 → ((ℂ × {𝑅}) ∘_f · 𝐹) ≠ 0_𝑝)
136		eldifsn 4791	. . . 4 ⊢ (((ℂ × {𝑅}) ∘_f · 𝐹) ∈ ((Poly‘ℤ) ∖ {0_𝑝}) ↔ (((ℂ × {𝑅}) ∘_f · 𝐹) ∈ (Poly‘ℤ) ∧ ((ℂ × {𝑅}) ∘_f · 𝐹) ≠ 0_𝑝))
137	110, 135, 136	sylanbrc 584	. . 3 ⊢ (𝜑 → ((ℂ × {𝑅}) ∘_f · 𝐹) ∈ ((Poly‘ℤ) ∖ {0_𝑝}))
138	5	fconst 6778	. . . . . . 7 ⊢ (ℂ × {𝑅}):ℂ⟶{𝑅}
139		ffn 6718	. . . . . . 7 ⊢ ((ℂ × {𝑅}):ℂ⟶{𝑅} → (ℂ × {𝑅}) Fn ℂ)
140	138, 139	mp1i 13	. . . . . 6 ⊢ (𝜑 → (ℂ × {𝑅}) Fn ℂ)
141	13	ffnd 6719	. . . . . 6 ⊢ (𝜑 → 𝐹 Fn ℂ)
142		inidm 4219	. . . . . 6 ⊢ (ℂ ∩ ℂ) = ℂ
143	5	fvconst2 7205	. . . . . . 7 ⊢ (𝐴 ∈ ℂ → ((ℂ × {𝑅})‘𝐴) = 𝑅)
144	143	adantl 483	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ ℂ) → ((ℂ × {𝑅})‘𝐴) = 𝑅)
145	96	adantr 482	. . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ ℂ) → (𝐹‘𝐴) = 0)
146	140, 141, 3, 3, 142, 144, 145	ofval 7681	. . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ ℂ) → (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴) = (𝑅 · 0))
147	1, 146	mpdan 686	. . . 4 ⊢ (𝜑 → (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴) = (𝑅 · 0))
148	54	mul01d 11413	. . . 4 ⊢ (𝜑 → (𝑅 · 0) = 0)
149	147, 148	eqtrd 2773	. . 3 ⊢ (𝜑 → (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴) = 0)
150		fveq1 6891	. . . . 5 ⊢ (𝑓 = ((ℂ × {𝑅}) ∘_f · 𝐹) → (𝑓‘𝐴) = (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴))
151	150	eqeq1d 2735	. . . 4 ⊢ (𝑓 = ((ℂ × {𝑅}) ∘_f · 𝐹) → ((𝑓‘𝐴) = 0 ↔ (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴) = 0))
152	151	rspcev 3613	. . 3 ⊢ ((((ℂ × {𝑅}) ∘_f · 𝐹) ∈ ((Poly‘ℤ) ∖ {0_𝑝}) ∧ (((ℂ × {𝑅}) ∘_f · 𝐹)‘𝐴) = 0) → ∃𝑓 ∈ ((Poly‘ℤ) ∖ {0_𝑝})(𝑓‘𝐴) = 0)
153	137, 149, 152	syl2anc 585	. 2 ⊢ (𝜑 → ∃𝑓 ∈ ((Poly‘ℤ) ∖ {0_𝑝})(𝑓‘𝐴) = 0)
154		elaa 25829	. 2 ⊢ (𝐴 ∈ 𝔸 ↔ (𝐴 ∈ ℂ ∧ ∃𝑓 ∈ ((Poly‘ℤ) ∖ {0_𝑝})(𝑓‘𝐴) = 0))
155	1, 153, 154	sylanbrc 584	1 ⊢ (𝜑 → 𝐴 ∈ 𝔸)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ≠ wne 2941 ∃wrex 3071 {crab 3433 Vcvv 3475 ∖ cdif 3946 ⊆ wss 3949 ∅c0 4323 {csn 4629 ↦ cmpt 5232 × cxp 5675 Fn wfn 6539 ⟶wf 6540 ‘cfv 6544 (class class class)co 7409 ∈ cmpo 7411 ∘_f cof 7668 infcinf 9436 ℂcc 11108 ℝcr 11109 0cc0 11110 1c1 11111 · cmul 11115 < clt 11248 / cdiv 11871 ℕcn 12212 ℕ₀cn0 12472 ℤcz 12558 ℤ_≥cuz 12822 ℚcq 12932 ℝ⁺crp 12974 ...cfz 13484 mod cmo 13834 seqcseq 13966 ↑cexp 14027 Σcsu 15632 0_𝑝c0p 25186 Polycply 25698 coeffccoe 25700 degcdgr 25701 𝔸caa 25827

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-inf2 9636 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 ax-pre-sup 11188

This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-int 4952 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-se 5633 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-isom 6553 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-of 7670 df-om 7856 df-1st 7975 df-2nd 7976 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-1o 8466 df-er 8703 df-map 8822 df-pm 8823 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9437 df-inf 9438 df-oi 9505 df-card 9934 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-div 11872 df-nn 12213 df-2 12275 df-3 12276 df-n0 12473 df-z 12559 df-uz 12823 df-q 12933 df-rp 12975 df-fz 13485 df-fzo 13628 df-fl 13757 df-mod 13835 df-seq 13967 df-exp 14028 df-hash 14291 df-cj 15046 df-re 15047 df-im 15048 df-sqrt 15182 df-abs 15183 df-clim 15432 df-rlim 15433 df-sum 15633 df-0p 25187 df-ply 25702 df-coe 25704 df-dgr 25705 df-aa 25828

This theorem is referenced by: elqaa 25835

W3C validator