elaa2lem - Mathbox for Glauco Siliprandi

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Theorem elaa2lem 40450

Description: Elementhood in the set of nonzero algebraic numbers. ' Only if ' part of elaa2 40451. (Contributed by Glauco Siliprandi, 5-Apr-2020.) (Revised by AV, 1-Oct-2020.)

**Hypotheses**
Ref	Expression
elaa2lem.a	⊢ (𝜑 → 𝐴 ∈ 𝔸)
elaa2lem.an0	⊢ (𝜑 → 𝐴 ≠ 0)
elaa2lem.g	⊢ (𝜑 → 𝐺 ∈ (Poly‘ℤ))
elaa2lem.gn0	⊢ (𝜑 → 𝐺 ≠ 0_𝑝)
elaa2lem.ga	⊢ (𝜑 → (𝐺‘𝐴) = 0)
elaa2lem.m	⊢ 𝑀 = inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < )
elaa2lem.i	⊢ 𝐼 = (𝑘 ∈ ℕ₀ ↦ ((coeff‘𝐺)‘(𝑘 + 𝑀)))
elaa2lem.f	⊢ 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘)))

**Assertion**
Ref	Expression
elaa2lem	⊢ (𝜑 → ∃𝑓 ∈ (Poly‘ℤ)(((coeff‘𝑓)‘0) ≠ 0 ∧ (𝑓‘𝐴) = 0))

Distinct variable groups: 𝐴,𝑓 𝐴,𝑘,𝑧 𝑓,𝐹 𝑘,𝐺 𝑛,𝐺 𝑧,𝐺 𝑘,𝐼,𝑧 𝑘,𝑀 𝑛,𝑀 𝑧,𝑀 𝜑,𝑘,𝑧 Allowed substitution hints: 𝜑(𝑓,𝑛) 𝐴(𝑛) 𝐹(𝑧,𝑘,𝑛) 𝐺(𝑓) 𝐼(𝑓,𝑛) 𝑀(𝑓)

Proof of Theorem elaa2lem Dummy variable 𝑗 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		elaa2lem.f	. . . 4 ⊢ 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘)))
2	1	a1i 11	. . 3 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘))))
3		zsscn 11385	. . . . 5 ⊢ ℤ ⊆ ℂ
4	3	a1i 11	. . . 4 ⊢ (𝜑 → ℤ ⊆ ℂ)
5		elaa2lem.g	. . . . . . . . 9 ⊢ (𝜑 → 𝐺 ∈ (Poly‘ℤ))
6		dgrcl 23989	. . . . . . . . 9 ⊢ (𝐺 ∈ (Poly‘ℤ) → (deg‘𝐺) ∈ ℕ₀)
7	5, 6	syl 17	. . . . . . . 8 ⊢ (𝜑 → (deg‘𝐺) ∈ ℕ₀)
8	7	nn0zd 11480	. . . . . . 7 ⊢ (𝜑 → (deg‘𝐺) ∈ ℤ)
9		elaa2lem.m	. . . . . . . . 9 ⊢ 𝑀 = inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < )
10		ssrab2 3687	. . . . . . . . . 10 ⊢ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ ℕ₀
11		nn0uz 11722	. . . . . . . . . . . . 13 ⊢ ℕ₀ = (ℤ_≥‘0)
12	10, 11	sseqtri 3637	. . . . . . . . . . . 12 ⊢ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0)
13	12	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0))
14		elaa2lem.gn0	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝐺 ≠ 0_𝑝)
15	14	neneqd 2799	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ¬ 𝐺 = 0_𝑝)
16		eqid 2622	. . . . . . . . . . . . . . . . . 18 ⊢ (deg‘𝐺) = (deg‘𝐺)
17		eqid 2622	. . . . . . . . . . . . . . . . . 18 ⊢ (coeff‘𝐺) = (coeff‘𝐺)
18	16, 17	dgreq0 24021	. . . . . . . . . . . . . . . . 17 ⊢ (𝐺 ∈ (Poly‘ℤ) → (𝐺 = 0_𝑝 ↔ ((coeff‘𝐺)‘(deg‘𝐺)) = 0))
19	5, 18	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐺 = 0_𝑝 ↔ ((coeff‘𝐺)‘(deg‘𝐺)) = 0))
20	15, 19	mtbid 314	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ¬ ((coeff‘𝐺)‘(deg‘𝐺)) = 0)
21	20	neqned 2801	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((coeff‘𝐺)‘(deg‘𝐺)) ≠ 0)
22	7, 21	jca 554	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((deg‘𝐺) ∈ ℕ₀ ∧ ((coeff‘𝐺)‘(deg‘𝐺)) ≠ 0))
23		fveq2 6191	. . . . . . . . . . . . . . 15 ⊢ (𝑛 = (deg‘𝐺) → ((coeff‘𝐺)‘𝑛) = ((coeff‘𝐺)‘(deg‘𝐺)))
24	23	neeq1d 2853	. . . . . . . . . . . . . 14 ⊢ (𝑛 = (deg‘𝐺) → (((coeff‘𝐺)‘𝑛) ≠ 0 ↔ ((coeff‘𝐺)‘(deg‘𝐺)) ≠ 0))
25	24	elrab 3363	. . . . . . . . . . . . 13 ⊢ ((deg‘𝐺) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ↔ ((deg‘𝐺) ∈ ℕ₀ ∧ ((coeff‘𝐺)‘(deg‘𝐺)) ≠ 0))
26	22, 25	sylibr 224	. . . . . . . . . . . 12 ⊢ (𝜑 → (deg‘𝐺) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
27		ne0i 3921	. . . . . . . . . . . 12 ⊢ ((deg‘𝐺) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} → {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ≠ ∅)
28	26, 27	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ≠ ∅)
29		infssuzcl 11772	. . . . . . . . . . 11 ⊢ (({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0) ∧ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ≠ ∅) → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
30	13, 28, 29	syl2anc 693	. . . . . . . . . 10 ⊢ (𝜑 → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
31	10, 30	sseldi 3601	. . . . . . . . 9 ⊢ (𝜑 → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ∈ ℕ₀)
32	9, 31	syl5eqel 2705	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℕ₀)
33	32	nn0zd 11480	. . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℤ)
34	8, 33	zsubcld 11487	. . . . . 6 ⊢ (𝜑 → ((deg‘𝐺) − 𝑀) ∈ ℤ)
35	9	a1i 11	. . . . . . . 8 ⊢ (𝜑 → 𝑀 = inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ))
36		infssuzle 11771	. . . . . . . . 9 ⊢ (({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0) ∧ (deg‘𝐺) ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}) → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ≤ (deg‘𝐺))
37	13, 26, 36	syl2anc 693	. . . . . . . 8 ⊢ (𝜑 → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ≤ (deg‘𝐺))
38	35, 37	eqbrtrd 4675	. . . . . . 7 ⊢ (𝜑 → 𝑀 ≤ (deg‘𝐺))
39	7	nn0red 11352	. . . . . . . 8 ⊢ (𝜑 → (deg‘𝐺) ∈ ℝ)
40	32	nn0red 11352	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℝ)
41	39, 40	subge0d 10617	. . . . . . 7 ⊢ (𝜑 → (0 ≤ ((deg‘𝐺) − 𝑀) ↔ 𝑀 ≤ (deg‘𝐺)))
42	38, 41	mpbird 247	. . . . . 6 ⊢ (𝜑 → 0 ≤ ((deg‘𝐺) − 𝑀))
43	34, 42	jca 554	. . . . 5 ⊢ (𝜑 → (((deg‘𝐺) − 𝑀) ∈ ℤ ∧ 0 ≤ ((deg‘𝐺) − 𝑀)))
44		elnn0z 11390	. . . . 5 ⊢ (((deg‘𝐺) − 𝑀) ∈ ℕ₀ ↔ (((deg‘𝐺) − 𝑀) ∈ ℤ ∧ 0 ≤ ((deg‘𝐺) − 𝑀)))
45	43, 44	sylibr 224	. . . 4 ⊢ (𝜑 → ((deg‘𝐺) − 𝑀) ∈ ℕ₀)
46		id 22	. . . . . . . . 9 ⊢ (𝐺 ∈ (Poly‘ℤ) → 𝐺 ∈ (Poly‘ℤ))
47		0zd 11389	. . . . . . . . 9 ⊢ (𝐺 ∈ (Poly‘ℤ) → 0 ∈ ℤ)
48	17	coef2 23987	. . . . . . . . 9 ⊢ ((𝐺 ∈ (Poly‘ℤ) ∧ 0 ∈ ℤ) → (coeff‘𝐺):ℕ₀⟶ℤ)
49	46, 47, 48	syl2anc 693	. . . . . . . 8 ⊢ (𝐺 ∈ (Poly‘ℤ) → (coeff‘𝐺):ℕ₀⟶ℤ)
50	5, 49	syl 17	. . . . . . 7 ⊢ (𝜑 → (coeff‘𝐺):ℕ₀⟶ℤ)
51	50	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (coeff‘𝐺):ℕ₀⟶ℤ)
52		simpr 477	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑘 ∈ ℕ₀)
53	32	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑀 ∈ ℕ₀)
54	52, 53	nn0addcld 11355	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝑘 + 𝑀) ∈ ℕ₀)
55	51, 54	ffvelrnd 6360	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) ∈ ℤ)
56		elaa2lem.i	. . . . 5 ⊢ 𝐼 = (𝑘 ∈ ℕ₀ ↦ ((coeff‘𝐺)‘(𝑘 + 𝑀)))
57	55, 56	fmptd 6385	. . . 4 ⊢ (𝜑 → 𝐼:ℕ₀⟶ℤ)
58		elplyr 23957	. . . 4 ⊢ ((ℤ ⊆ ℂ ∧ ((deg‘𝐺) − 𝑀) ∈ ℕ₀ ∧ 𝐼:ℕ₀⟶ℤ) → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘))) ∈ (Poly‘ℤ))
59	4, 45, 57, 58	syl3anc 1326	. . 3 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘))) ∈ (Poly‘ℤ))
60	2, 59	eqeltrd 2701	. 2 ⊢ (𝜑 → 𝐹 ∈ (Poly‘ℤ))
61		simpr 477	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → 𝑘 ≤ ((deg‘𝐺) − 𝑀))
62	61	iftrued 4094	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
63		iffalse 4095	. . . . . . . . . . 11 ⊢ (¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀) → if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0) = 0)
64	63	adantl 482	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0) = 0)
65		simpr 477	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀))
66	39	ad2antrr 762	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (deg‘𝐺) ∈ ℝ)
67	40	ad2antrr 762	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → 𝑀 ∈ ℝ)
68	66, 67	resubcld 10458	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ((deg‘𝐺) − 𝑀) ∈ ℝ)
69		nn0re 11301	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 ∈ ℕ₀ → 𝑘 ∈ ℝ)
70	69	ad2antlr 763	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → 𝑘 ∈ ℝ)
71	68, 70	ltnled 10184	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (((deg‘𝐺) − 𝑀) < 𝑘 ↔ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)))
72	65, 71	mpbird 247	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ((deg‘𝐺) − 𝑀) < 𝑘)
73	66, 67, 70	ltsubaddd 10623	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (((deg‘𝐺) − 𝑀) < 𝑘 ↔ (deg‘𝐺) < (𝑘 + 𝑀)))
74	72, 73	mpbid 222	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (deg‘𝐺) < (𝑘 + 𝑀))
75		olc 399	. . . . . . . . . . . . 13 ⊢ ((deg‘𝐺) < (𝑘 + 𝑀) → (𝐺 = 0_𝑝 ∨ (deg‘𝐺) < (𝑘 + 𝑀)))
76	74, 75	syl 17	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (𝐺 = 0_𝑝 ∨ (deg‘𝐺) < (𝑘 + 𝑀)))
77	5	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → 𝐺 ∈ (Poly‘ℤ))
78	54	adantr 481	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → (𝑘 + 𝑀) ∈ ℕ₀)
79	16, 17	dgrlt 24022	. . . . . . . . . . . . 13 ⊢ ((𝐺 ∈ (Poly‘ℤ) ∧ (𝑘 + 𝑀) ∈ ℕ₀) → ((𝐺 = 0_𝑝 ∨ (deg‘𝐺) < (𝑘 + 𝑀)) ↔ ((deg‘𝐺) ≤ (𝑘 + 𝑀) ∧ ((coeff‘𝐺)‘(𝑘 + 𝑀)) = 0)))
80	77, 78, 79	syl2anc 693	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ((𝐺 = 0_𝑝 ∨ (deg‘𝐺) < (𝑘 + 𝑀)) ↔ ((deg‘𝐺) ≤ (𝑘 + 𝑀) ∧ ((coeff‘𝐺)‘(𝑘 + 𝑀)) = 0)))
81	76, 80	mpbid 222	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ((deg‘𝐺) ≤ (𝑘 + 𝑀) ∧ ((coeff‘𝐺)‘(𝑘 + 𝑀)) = 0))
82	81	simprd 479	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) = 0)
83	64, 82	eqtr4d 2659	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ ℕ₀) ∧ ¬ 𝑘 ≤ ((deg‘𝐺) − 𝑀)) → if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
84	62, 83	pm2.61dan 832	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
85	84	mpteq2dva 4744	. . . . . . 7 ⊢ (𝜑 → (𝑘 ∈ ℕ₀ ↦ if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0)) = (𝑘 ∈ ℕ₀ ↦ ((coeff‘𝐺)‘(𝑘 + 𝑀))))
86	50, 4	fssd 6057	. . . . . . . . . 10 ⊢ (𝜑 → (coeff‘𝐺):ℕ₀⟶ℂ)
87	86	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (coeff‘𝐺):ℕ₀⟶ℂ)
88		elfznn0 12433	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (0...((deg‘𝐺) − 𝑀)) → 𝑘 ∈ ℕ₀)
89	88	adantl 482	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → 𝑘 ∈ ℕ₀)
90	32	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → 𝑀 ∈ ℕ₀)
91	89, 90	nn0addcld 11355	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝑘 + 𝑀) ∈ ℕ₀)
92	87, 91	ffvelrnd 6360	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) ∈ ℂ)
93		eqidd 2623	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...((deg‘𝐺) − 𝑀)) = (0...((deg‘𝐺) − 𝑀)))
94		simpl 473	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → 𝜑)
95	56	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐼 = (𝑘 ∈ ℕ₀ ↦ ((coeff‘𝐺)‘(𝑘 + 𝑀))))
96	95, 55	fvmpt2d 6293	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
97	94, 89, 96	syl2anc 693	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
98	97	adantlr 751	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
99	98	oveq1d 6665	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → ((𝐼‘𝑘) · (𝑧↑𝑘)) = (((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝑧↑𝑘)))
100	93, 99	sumeq12rdv 14438	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝑧↑𝑘)))
101	100	mpteq2dva 4744	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝑧↑𝑘))))
102	2, 101	eqtrd 2656	. . . . . . . 8 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝑧↑𝑘))))
103	60, 45, 92, 102	coeeq2 23998	. . . . . . 7 ⊢ (𝜑 → (coeff‘𝐹) = (𝑘 ∈ ℕ₀ ↦ if(𝑘 ≤ ((deg‘𝐺) − 𝑀), ((coeff‘𝐺)‘(𝑘 + 𝑀)), 0)))
104	85, 103, 95	3eqtr4d 2666	. . . . . 6 ⊢ (𝜑 → (coeff‘𝐹) = 𝐼)
105	104	fveq1d 6193	. . . . 5 ⊢ (𝜑 → ((coeff‘𝐹)‘0) = (𝐼‘0))
106		oveq1 6657	. . . . . . . . 9 ⊢ (𝑘 = 0 → (𝑘 + 𝑀) = (0 + 𝑀))
107	106	adantl 482	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 = 0) → (𝑘 + 𝑀) = (0 + 𝑀))
108	3, 33	sseldi 3601	. . . . . . . . . 10 ⊢ (𝜑 → 𝑀 ∈ ℂ)
109	108	addid2d 10237	. . . . . . . . 9 ⊢ (𝜑 → (0 + 𝑀) = 𝑀)
110	109	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 = 0) → (0 + 𝑀) = 𝑀)
111	107, 110	eqtrd 2656	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 = 0) → (𝑘 + 𝑀) = 𝑀)
112	111	fveq2d 6195	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 = 0) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) = ((coeff‘𝐺)‘𝑀))
113		0nn0 11307	. . . . . . 7 ⊢ 0 ∈ ℕ₀
114	113	a1i 11	. . . . . 6 ⊢ (𝜑 → 0 ∈ ℕ₀)
115	50, 32	ffvelrnd 6360	. . . . . 6 ⊢ (𝜑 → ((coeff‘𝐺)‘𝑀) ∈ ℤ)
116	95, 112, 114, 115	fvmptd 6288	. . . . 5 ⊢ (𝜑 → (𝐼‘0) = ((coeff‘𝐺)‘𝑀))
117		eqidd 2623	. . . . 5 ⊢ (𝜑 → ((coeff‘𝐺)‘𝑀) = ((coeff‘𝐺)‘𝑀))
118	105, 116, 117	3eqtrd 2660	. . . 4 ⊢ (𝜑 → ((coeff‘𝐹)‘0) = ((coeff‘𝐺)‘𝑀))
119	35, 30	eqeltrd 2701	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
120		fveq2 6191	. . . . . . . 8 ⊢ (𝑛 = 𝑀 → ((coeff‘𝐺)‘𝑛) = ((coeff‘𝐺)‘𝑀))
121	120	neeq1d 2853	. . . . . . 7 ⊢ (𝑛 = 𝑀 → (((coeff‘𝐺)‘𝑛) ≠ 0 ↔ ((coeff‘𝐺)‘𝑀) ≠ 0))
122	121	elrab 3363	. . . . . 6 ⊢ (𝑀 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ↔ (𝑀 ∈ ℕ₀ ∧ ((coeff‘𝐺)‘𝑀) ≠ 0))
123	119, 122	sylib 208	. . . . 5 ⊢ (𝜑 → (𝑀 ∈ ℕ₀ ∧ ((coeff‘𝐺)‘𝑀) ≠ 0))
124	123	simprd 479	. . . 4 ⊢ (𝜑 → ((coeff‘𝐺)‘𝑀) ≠ 0)
125	118, 124	eqnetrd 2861	. . 3 ⊢ (𝜑 → ((coeff‘𝐹)‘0) ≠ 0)
126	5, 47	syl 17	. . . . . . 7 ⊢ (𝜑 → 0 ∈ ℤ)
127		aasscn 24073	. . . . . . . . . . 11 ⊢ 𝔸 ⊆ ℂ
128		elaa2lem.a	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐴 ∈ 𝔸)
129	127, 128	sseldi 3601	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 ∈ ℂ)
130	94, 129	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → 𝐴 ∈ ℂ)
131	130, 89	expcld 13008	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝐴↑𝑘) ∈ ℂ)
132	92, 131	mulcld 10060	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)) ∈ ℂ)
133		oveq1 6657	. . . . . . . . 9 ⊢ (𝑘 = (𝑗 − 𝑀) → (𝑘 + 𝑀) = ((𝑗 − 𝑀) + 𝑀))
134	133	fveq2d 6195	. . . . . . . 8 ⊢ (𝑘 = (𝑗 − 𝑀) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) = ((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)))
135		oveq2 6658	. . . . . . . 8 ⊢ (𝑘 = (𝑗 − 𝑀) → (𝐴↑𝑘) = (𝐴↑(𝑗 − 𝑀)))
136	134, 135	oveq12d 6668	. . . . . . 7 ⊢ (𝑘 = (𝑗 − 𝑀) → (((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)) = (((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))))
137	33, 126, 34, 132, 136	fsumshft 14512	. . . . . 6 ⊢ (𝜑 → Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)) = Σ𝑗 ∈ ((0 + 𝑀)...(((deg‘𝐺) − 𝑀) + 𝑀))(((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))))
138	3, 8	sseldi 3601	. . . . . . . . . 10 ⊢ (𝜑 → (deg‘𝐺) ∈ ℂ)
139	138, 108	npcand 10396	. . . . . . . . 9 ⊢ (𝜑 → (((deg‘𝐺) − 𝑀) + 𝑀) = (deg‘𝐺))
140	109, 139	oveq12d 6668	. . . . . . . 8 ⊢ (𝜑 → ((0 + 𝑀)...(((deg‘𝐺) − 𝑀) + 𝑀)) = (𝑀...(deg‘𝐺)))
141	140	sumeq1d 14431	. . . . . . 7 ⊢ (𝜑 → Σ𝑗 ∈ ((0 + 𝑀)...(((deg‘𝐺) − 𝑀) + 𝑀))(((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))) = Σ𝑗 ∈ (𝑀...(deg‘𝐺))(((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))))
142		elfzelz 12342	. . . . . . . . . . . . . 14 ⊢ (𝑗 ∈ (𝑀...(deg‘𝐺)) → 𝑗 ∈ ℤ)
143	142	adantl 482	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℤ)
144	3, 143	sseldi 3601	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℂ)
145	108	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑀 ∈ ℂ)
146	144, 145	npcand 10396	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((𝑗 − 𝑀) + 𝑀) = 𝑗)
147	146	fveq2d 6195	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) = ((coeff‘𝐺)‘𝑗))
148	147	oveq1d 6665	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))) = (((coeff‘𝐺)‘𝑗) · (𝐴↑(𝑗 − 𝑀))))
149	129	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝐴 ∈ ℂ)
150		elaa2lem.an0	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐴 ≠ 0)
151	150	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝐴 ≠ 0)
152	33	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑀 ∈ ℤ)
153	149, 151, 152, 143	expsubd 13019	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (𝐴↑(𝑗 − 𝑀)) = ((𝐴↑𝑗) / (𝐴↑𝑀)))
154	153	oveq2d 6666	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (((coeff‘𝐺)‘𝑗) · (𝐴↑(𝑗 − 𝑀))) = (((coeff‘𝐺)‘𝑗) · ((𝐴↑𝑗) / (𝐴↑𝑀))))
155	86	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (coeff‘𝐺):ℕ₀⟶ℂ)
156		0red 10041	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 0 ∈ ℝ)
157	40	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑀 ∈ ℝ)
158	143	zred 11482	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℝ)
159	32	nn0ge0d 11354	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 0 ≤ 𝑀)
160	159	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 0 ≤ 𝑀)
161		elfzle1 12344	. . . . . . . . . . . . . . . . 17 ⊢ (𝑗 ∈ (𝑀...(deg‘𝐺)) → 𝑀 ≤ 𝑗)
162	161	adantl 482	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑀 ≤ 𝑗)
163	156, 157, 158, 160, 162	letrd 10194	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 0 ≤ 𝑗)
164	143, 163	jca 554	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (𝑗 ∈ ℤ ∧ 0 ≤ 𝑗))
165		elnn0z 11390	. . . . . . . . . . . . . 14 ⊢ (𝑗 ∈ ℕ₀ ↔ (𝑗 ∈ ℤ ∧ 0 ≤ 𝑗))
166	164, 165	sylibr 224	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℕ₀)
167	155, 166	ffvelrnd 6360	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((coeff‘𝐺)‘𝑗) ∈ ℂ)
168	149, 166	expcld 13008	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (𝐴↑𝑗) ∈ ℂ)
169	129, 32	expcld 13008	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐴↑𝑀) ∈ ℂ)
170	169	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (𝐴↑𝑀) ∈ ℂ)
171	149, 151, 152	expne0d 13014	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (𝐴↑𝑀) ≠ 0)
172	167, 168, 170, 171	divassd 10836	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = (((coeff‘𝐺)‘𝑗) · ((𝐴↑𝑗) / (𝐴↑𝑀))))
173	172	eqcomd 2628	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (((coeff‘𝐺)‘𝑗) · ((𝐴↑𝑗) / (𝐴↑𝑀))) = ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
174	154, 173	eqtr2d 2657	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = (((coeff‘𝐺)‘𝑗) · (𝐴↑(𝑗 − 𝑀))))
175	148, 174	eqtr4d 2659	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))) = ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
176	175	sumeq2dv 14433	. . . . . . 7 ⊢ (𝜑 → Σ𝑗 ∈ (𝑀...(deg‘𝐺))(((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))) = Σ𝑗 ∈ (𝑀...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
177	141, 176	eqtrd 2656	. . . . . 6 ⊢ (𝜑 → Σ𝑗 ∈ ((0 + 𝑀)...(((deg‘𝐺) − 𝑀) + 𝑀))(((coeff‘𝐺)‘((𝑗 − 𝑀) + 𝑀)) · (𝐴↑(𝑗 − 𝑀))) = Σ𝑗 ∈ (𝑀...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
178	32, 11	syl6eleq 2711	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘0))
179		fzss1 12380	. . . . . . . 8 ⊢ (𝑀 ∈ (ℤ_≥‘0) → (𝑀...(deg‘𝐺)) ⊆ (0...(deg‘𝐺)))
180	178, 179	syl 17	. . . . . . 7 ⊢ (𝜑 → (𝑀...(deg‘𝐺)) ⊆ (0...(deg‘𝐺)))
181	167, 168	mulcld 10060	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → (((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) ∈ ℂ)
182	181, 170, 171	divcld 10801	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (𝑀...(deg‘𝐺))) → ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) ∈ ℂ)
183	33	ad2antrr 762	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑀 ∈ ℤ)
184	8	ad2antrr 762	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → (deg‘𝐺) ∈ ℤ)
185		eldifi 3732	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → 𝑗 ∈ (0...(deg‘𝐺)))
186		elfznn0 12433	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑗 ∈ (0...(deg‘𝐺)) → 𝑗 ∈ ℕ₀)
187	186	nn0zd 11480	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑗 ∈ (0...(deg‘𝐺)) → 𝑗 ∈ ℤ)
188	185, 187	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℤ)
189	188	ad2antlr 763	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑗 ∈ ℤ)
190	183, 184, 189	3jca 1242	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → (𝑀 ∈ ℤ ∧ (deg‘𝐺) ∈ ℤ ∧ 𝑗 ∈ ℤ))
191		simpr 477	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → ¬ 𝑗 < 𝑀)
192	40	ad2antrr 762	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑀 ∈ ℝ)
193	189	zred 11482	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑗 ∈ ℝ)
194	192, 193	lenltd 10183	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → (𝑀 ≤ 𝑗 ↔ ¬ 𝑗 < 𝑀))
195	191, 194	mpbird 247	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑀 ≤ 𝑗)
196		elfzle2 12345	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑗 ∈ (0...(deg‘𝐺)) → 𝑗 ≤ (deg‘𝐺))
197	185, 196	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → 𝑗 ≤ (deg‘𝐺))
198	197	ad2antlr 763	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑗 ≤ (deg‘𝐺))
199	190, 195, 198	jca32 558	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → ((𝑀 ∈ ℤ ∧ (deg‘𝐺) ∈ ℤ ∧ 𝑗 ∈ ℤ) ∧ (𝑀 ≤ 𝑗 ∧ 𝑗 ≤ (deg‘𝐺))))
200		elfz2 12333	. . . . . . . . . . . . . . 15 ⊢ (𝑗 ∈ (𝑀...(deg‘𝐺)) ↔ ((𝑀 ∈ ℤ ∧ (deg‘𝐺) ∈ ℤ ∧ 𝑗 ∈ ℤ) ∧ (𝑀 ≤ 𝑗 ∧ 𝑗 ≤ (deg‘𝐺))))
201	199, 200	sylibr 224	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → 𝑗 ∈ (𝑀...(deg‘𝐺)))
202		eldifn 3733	. . . . . . . . . . . . . . 15 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → ¬ 𝑗 ∈ (𝑀...(deg‘𝐺)))
203	202	ad2antlr 763	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ 𝑗 < 𝑀) → ¬ 𝑗 ∈ (𝑀...(deg‘𝐺)))
204	201, 203	condan 835	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → 𝑗 < 𝑀)
205	204	adantr 481	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑗 < 𝑀)
206	9	a1i 11	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑀 = inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ))
207	12	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0))
208	185, 186	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℕ₀)
209	208	adantr 481	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑗 ∈ ℕ₀)
210		neqne 2802	. . . . . . . . . . . . . . . . . . 19 ⊢ (¬ ((coeff‘𝐺)‘𝑗) = 0 → ((coeff‘𝐺)‘𝑗) ≠ 0)
211	210	adantl 482	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → ((coeff‘𝐺)‘𝑗) ≠ 0)
212	209, 211	jca 554	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → (𝑗 ∈ ℕ₀ ∧ ((coeff‘𝐺)‘𝑗) ≠ 0))
213		fveq2 6191	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑛 = 𝑗 → ((coeff‘𝐺)‘𝑛) = ((coeff‘𝐺)‘𝑗))
214	213	neeq1d 2853	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑛 = 𝑗 → (((coeff‘𝐺)‘𝑛) ≠ 0 ↔ ((coeff‘𝐺)‘𝑗) ≠ 0))
215	214	elrab 3363	. . . . . . . . . . . . . . . . 17 ⊢ (𝑗 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ↔ (𝑗 ∈ ℕ₀ ∧ ((coeff‘𝐺)‘𝑗) ≠ 0))
216	212, 215	sylibr 224	. . . . . . . . . . . . . . . 16 ⊢ ((𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑗 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
217	216	adantll 750	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑗 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0})
218		infssuzle 11771	. . . . . . . . . . . . . . 15 ⊢ (({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0} ⊆ (ℤ_≥‘0) ∧ 𝑗 ∈ {𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}) → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ≤ 𝑗)
219	207, 217, 218	syl2anc 693	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → inf({𝑛 ∈ ℕ₀ ∣ ((coeff‘𝐺)‘𝑛) ≠ 0}, ℝ, < ) ≤ 𝑗)
220	206, 219	eqbrtrd 4675	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑀 ≤ 𝑗)
221	40	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑀 ∈ ℝ)
222	188	zred 11482	. . . . . . . . . . . . . . 15 ⊢ (𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺))) → 𝑗 ∈ ℝ)
223	222	ad2antlr 763	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → 𝑗 ∈ ℝ)
224	221, 223	lenltd 10183	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → (𝑀 ≤ 𝑗 ↔ ¬ 𝑗 < 𝑀))
225	220, 224	mpbid 222	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) ∧ ¬ ((coeff‘𝐺)‘𝑗) = 0) → ¬ 𝑗 < 𝑀)
226	205, 225	condan 835	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → ((coeff‘𝐺)‘𝑗) = 0)
227	226	oveq1d 6665	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → (((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) = (0 · (𝐴↑𝑗)))
228	129	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → 𝐴 ∈ ℂ)
229	208	adantl 482	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → 𝑗 ∈ ℕ₀)
230	228, 229	expcld 13008	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → (𝐴↑𝑗) ∈ ℂ)
231	230	mul02d 10234	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → (0 · (𝐴↑𝑗)) = 0)
232	227, 231	eqtrd 2656	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → (((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) = 0)
233	232	oveq1d 6665	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = (0 / (𝐴↑𝑀)))
234	129, 150, 33	expne0d 13014	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴↑𝑀) ≠ 0)
235	169, 234	div0d 10800	. . . . . . . . 9 ⊢ (𝜑 → (0 / (𝐴↑𝑀)) = 0)
236	235	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → (0 / (𝐴↑𝑀)) = 0)
237	233, 236	eqtrd 2656	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ((0...(deg‘𝐺)) ∖ (𝑀...(deg‘𝐺)))) → ((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = 0)
238		fzfid 12772	. . . . . . 7 ⊢ (𝜑 → (0...(deg‘𝐺)) ∈ Fin)
239	180, 182, 237, 238	fsumss 14456	. . . . . 6 ⊢ (𝜑 → Σ𝑗 ∈ (𝑀...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = Σ𝑗 ∈ (0...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
240	137, 177, 239	3eqtrd 2660	. . . . 5 ⊢ (𝜑 → Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)) = Σ𝑗 ∈ (0...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
241	89, 55	syldan 487	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → ((coeff‘𝐺)‘(𝑘 + 𝑀)) ∈ ℤ)
242	56	fvmpt2 6291	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ₀ ∧ ((coeff‘𝐺)‘(𝑘 + 𝑀)) ∈ ℤ) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
243	89, 241, 242	syl2anc 693	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
244	243	adantlr 751	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 = 𝐴) ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝐼‘𝑘) = ((coeff‘𝐺)‘(𝑘 + 𝑀)))
245		oveq1 6657	. . . . . . . . 9 ⊢ (𝑧 = 𝐴 → (𝑧↑𝑘) = (𝐴↑𝑘))
246	245	ad2antlr 763	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 = 𝐴) ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → (𝑧↑𝑘) = (𝐴↑𝑘))
247	244, 246	oveq12d 6668	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 = 𝐴) ∧ 𝑘 ∈ (0...((deg‘𝐺) − 𝑀))) → ((𝐼‘𝑘) · (𝑧↑𝑘)) = (((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)))
248	247	sumeq2dv 14433	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 = 𝐴) → Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))((𝐼‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)))
249		fzfid 12772	. . . . . . 7 ⊢ (𝜑 → (0...((deg‘𝐺) − 𝑀)) ∈ Fin)
250	249, 132	fsumcl 14464	. . . . . 6 ⊢ (𝜑 → Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)) ∈ ℂ)
251	2, 248, 129, 250	fvmptd 6288	. . . . 5 ⊢ (𝜑 → (𝐹‘𝐴) = Σ𝑘 ∈ (0...((deg‘𝐺) − 𝑀))(((coeff‘𝐺)‘(𝑘 + 𝑀)) · (𝐴↑𝑘)))
252	17, 16	coeid2 23995	. . . . . . . 8 ⊢ ((𝐺 ∈ (Poly‘ℤ) ∧ 𝐴 ∈ ℂ) → (𝐺‘𝐴) = Σ𝑗 ∈ (0...(deg‘𝐺))(((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)))
253	5, 129, 252	syl2anc 693	. . . . . . 7 ⊢ (𝜑 → (𝐺‘𝐴) = Σ𝑗 ∈ (0...(deg‘𝐺))(((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)))
254	253	oveq1d 6665	. . . . . 6 ⊢ (𝜑 → ((𝐺‘𝐴) / (𝐴↑𝑀)) = (Σ𝑗 ∈ (0...(deg‘𝐺))(((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
255	86	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → (coeff‘𝐺):ℕ₀⟶ℂ)
256	186	adantl 482	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → 𝑗 ∈ ℕ₀)
257	255, 256	ffvelrnd 6360	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → ((coeff‘𝐺)‘𝑗) ∈ ℂ)
258	129	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → 𝐴 ∈ ℂ)
259	258, 256	expcld 13008	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → (𝐴↑𝑗) ∈ ℂ)
260	257, 259	mulcld 10060	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...(deg‘𝐺))) → (((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) ∈ ℂ)
261	238, 169, 260, 234	fsumdivc 14518	. . . . . 6 ⊢ (𝜑 → (Σ𝑗 ∈ (0...(deg‘𝐺))(((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)) = Σ𝑗 ∈ (0...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
262	254, 261	eqtrd 2656	. . . . 5 ⊢ (𝜑 → ((𝐺‘𝐴) / (𝐴↑𝑀)) = Σ𝑗 ∈ (0...(deg‘𝐺))((((coeff‘𝐺)‘𝑗) · (𝐴↑𝑗)) / (𝐴↑𝑀)))
263	240, 251, 262	3eqtr4d 2666	. . . 4 ⊢ (𝜑 → (𝐹‘𝐴) = ((𝐺‘𝐴) / (𝐴↑𝑀)))
264		elaa2lem.ga	. . . . 5 ⊢ (𝜑 → (𝐺‘𝐴) = 0)
265	264	oveq1d 6665	. . . 4 ⊢ (𝜑 → ((𝐺‘𝐴) / (𝐴↑𝑀)) = (0 / (𝐴↑𝑀)))
266	263, 265, 235	3eqtrd 2660	. . 3 ⊢ (𝜑 → (𝐹‘𝐴) = 0)
267	125, 266	jca 554	. 2 ⊢ (𝜑 → (((coeff‘𝐹)‘0) ≠ 0 ∧ (𝐹‘𝐴) = 0))
268		fveq2 6191	. . . . . 6 ⊢ (𝑓 = 𝐹 → (coeff‘𝑓) = (coeff‘𝐹))
269	268	fveq1d 6193	. . . . 5 ⊢ (𝑓 = 𝐹 → ((coeff‘𝑓)‘0) = ((coeff‘𝐹)‘0))
270	269	neeq1d 2853	. . . 4 ⊢ (𝑓 = 𝐹 → (((coeff‘𝑓)‘0) ≠ 0 ↔ ((coeff‘𝐹)‘0) ≠ 0))
271		fveq1 6190	. . . . 5 ⊢ (𝑓 = 𝐹 → (𝑓‘𝐴) = (𝐹‘𝐴))
272	271	eqeq1d 2624	. . . 4 ⊢ (𝑓 = 𝐹 → ((𝑓‘𝐴) = 0 ↔ (𝐹‘𝐴) = 0))
273	270, 272	anbi12d 747	. . 3 ⊢ (𝑓 = 𝐹 → ((((coeff‘𝑓)‘0) ≠ 0 ∧ (𝑓‘𝐴) = 0) ↔ (((coeff‘𝐹)‘0) ≠ 0 ∧ (𝐹‘𝐴) = 0)))
274	273	rspcev 3309	. 2 ⊢ ((𝐹 ∈ (Poly‘ℤ) ∧ (((coeff‘𝐹)‘0) ≠ 0 ∧ (𝐹‘𝐴) = 0)) → ∃𝑓 ∈ (Poly‘ℤ)(((coeff‘𝑓)‘0) ≠ 0 ∧ (𝑓‘𝐴) = 0))
275	60, 267, 274	syl2anc 693	1 ⊢ (𝜑 → ∃𝑓 ∈ (Poly‘ℤ)(((coeff‘𝑓)‘0) ≠ 0 ∧ (𝑓‘𝐴) = 0))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 196 ∨ wo 383 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ≠ wne 2794 ∃wrex 2913 {crab 2916 ∖ cdif 3571 ⊆ wss 3574 ∅c0 3915 ifcif 4086 class class class wbr 4653 ↦ cmpt 4729 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 infcinf 8347 ℂcc 9934 ℝcr 9935 0cc0 9936 + caddc 9939 · cmul 9941 < clt 10074 ≤ cle 10075 − cmin 10266 / cdiv 10684 ℕ₀cn0 11292 ℤcz 11377 ℤ_≥cuz 11687 ...cfz 12326 ↑cexp 12860 Σcsu 14416 0_𝑝c0p 23436 Polycply 23940 coeffccoe 23942 degcdgr 23943 𝔸caa 24069

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 ax-addf 10015

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-fal 1489 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-of 6897 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-map 7859 df-pm 7860 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-sup 8348 df-inf 8349 df-oi 8415 df-card 8765 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-n0 11293 df-z 11378 df-uz 11688 df-rp 11833 df-fz 12327 df-fzo 12466 df-fl 12593 df-seq 12802 df-exp 12861 df-hash 13118 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-clim 14219 df-rlim 14220 df-sum 14417 df-0p 23437 df-ply 23944 df-coe 23946 df-dgr 23947 df-aa 24070

This theorem is referenced by: elaa2 40451

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