abelthlem6 - Metamath Proof Explorer

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Theorem abelthlem6 25940

Description: Lemma for abelth 25945. (Contributed by Mario Carneiro, 2-Apr-2015.)

**Hypotheses**
Ref	Expression
abelth.1	⊢ (𝜑 → 𝐴:ℕ₀⟶ℂ)
abelth.2	⊢ (𝜑 → seq0( + , 𝐴) ∈ dom ⇝ )
abelth.3	⊢ (𝜑 → 𝑀 ∈ ℝ)
abelth.4	⊢ (𝜑 → 0 ≤ 𝑀)
abelth.5	⊢ 𝑆 = {𝑧 ∈ ℂ ∣ (abs‘(1 − 𝑧)) ≤ (𝑀 · (1 − (abs‘𝑧)))}
abelth.6	⊢ 𝐹 = (𝑥 ∈ 𝑆 ↦ Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑥↑𝑛)))
abelth.7	⊢ (𝜑 → seq0( + , 𝐴) ⇝ 0)
abelthlem6.1	⊢ (𝜑 → 𝑋 ∈ (𝑆 ∖ {1}))

**Assertion**
Ref	Expression
abelthlem6	⊢ (𝜑 → (𝐹‘𝑋) = ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))

Distinct variable groups: 𝑥,𝑛,𝑧,𝑀 𝑛,𝑋,𝑥,𝑧 𝐴,𝑛,𝑥,𝑧 𝜑,𝑛,𝑥 𝑆,𝑛,𝑥 Allowed substitution hints: 𝜑(𝑧) 𝑆(𝑧) 𝐹(𝑥,𝑧,𝑛)

Proof of Theorem abelthlem6 Dummy variables 𝑖 𝑘 𝑚 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		abelthlem6.1	. . . 4 ⊢ (𝜑 → 𝑋 ∈ (𝑆 ∖ {1}))
2	1	eldifad 3960	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑆)
3		oveq1 7413	. . . . . 6 ⊢ (𝑥 = 𝑋 → (𝑥↑𝑛) = (𝑋↑𝑛))
4	3	oveq2d 7422	. . . . 5 ⊢ (𝑥 = 𝑋 → ((𝐴‘𝑛) · (𝑥↑𝑛)) = ((𝐴‘𝑛) · (𝑋↑𝑛)))
5	4	sumeq2sdv 15647	. . . 4 ⊢ (𝑥 = 𝑋 → Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑥↑𝑛)) = Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑋↑𝑛)))
6		abelth.6	. . . 4 ⊢ 𝐹 = (𝑥 ∈ 𝑆 ↦ Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑥↑𝑛)))
7		sumex 15631	. . . 4 ⊢ Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑋↑𝑛)) ∈ V
8	5, 6, 7	fvmpt 6996	. . 3 ⊢ (𝑋 ∈ 𝑆 → (𝐹‘𝑋) = Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑋↑𝑛)))
9	2, 8	syl 17	. 2 ⊢ (𝜑 → (𝐹‘𝑋) = Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑋↑𝑛)))
10		nn0uz 12861	. . 3 ⊢ ℕ₀ = (ℤ_≥‘0)
11		0zd 12567	. . 3 ⊢ (𝜑 → 0 ∈ ℤ)
12		fveq2 6889	. . . . . 6 ⊢ (𝑘 = 𝑛 → (𝐴‘𝑘) = (𝐴‘𝑛))
13		oveq2 7414	. . . . . 6 ⊢ (𝑘 = 𝑛 → (𝑋↑𝑘) = (𝑋↑𝑛))
14	12, 13	oveq12d 7424	. . . . 5 ⊢ (𝑘 = 𝑛 → ((𝐴‘𝑘) · (𝑋↑𝑘)) = ((𝐴‘𝑛) · (𝑋↑𝑛)))
15		eqid 2733	. . . . 5 ⊢ (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘))) = (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))
16		ovex 7439	. . . . 5 ⊢ ((𝐴‘𝑛) · (𝑋↑𝑛)) ∈ V
17	14, 15, 16	fvmpt 6996	. . . 4 ⊢ (𝑛 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))‘𝑛) = ((𝐴‘𝑛) · (𝑋↑𝑛)))
18	17	adantl 483	. . 3 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))‘𝑛) = ((𝐴‘𝑛) · (𝑋↑𝑛)))
19		abelth.1	. . . . 5 ⊢ (𝜑 → 𝐴:ℕ₀⟶ℂ)
20	19	ffvelcdmda 7084	. . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (𝐴‘𝑛) ∈ ℂ)
21		abelth.5	. . . . . . 7 ⊢ 𝑆 = {𝑧 ∈ ℂ ∣ (abs‘(1 − 𝑧)) ≤ (𝑀 · (1 − (abs‘𝑧)))}
22	21	ssrab3 4080	. . . . . 6 ⊢ 𝑆 ⊆ ℂ
23	22, 2	sselid 3980	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ ℂ)
24		expcl 14042	. . . . 5 ⊢ ((𝑋 ∈ ℂ ∧ 𝑛 ∈ ℕ₀) → (𝑋↑𝑛) ∈ ℂ)
25	23, 24	sylan 581	. . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (𝑋↑𝑛) ∈ ℂ)
26	20, 25	mulcld 11231	. . 3 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝐴‘𝑛) · (𝑋↑𝑛)) ∈ ℂ)
27		fveq2 6889	. . . . . . . . 9 ⊢ (𝑘 = 𝑛 → (seq0( + , 𝐴)‘𝑘) = (seq0( + , 𝐴)‘𝑛))
28	27, 13	oveq12d 7424	. . . . . . . 8 ⊢ (𝑘 = 𝑛 → ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)) = ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))
29		eqid 2733	. . . . . . . 8 ⊢ (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))) = (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))
30		ovex 7439	. . . . . . . 8 ⊢ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) ∈ V
31	28, 29, 30	fvmpt 6996	. . . . . . 7 ⊢ (𝑛 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) = ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))
32	31	adantl 483	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) = ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))
33	10, 11, 20	serf 13993	. . . . . . . 8 ⊢ (𝜑 → seq0( + , 𝐴):ℕ₀⟶ℂ)
34	33	ffvelcdmda 7084	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (seq0( + , 𝐴)‘𝑛) ∈ ℂ)
35	34, 25	mulcld 11231	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) ∈ ℂ)
36		abelth.2	. . . . . . . . . 10 ⊢ (𝜑 → seq0( + , 𝐴) ∈ dom ⇝ )
37		abelth.3	. . . . . . . . . 10 ⊢ (𝜑 → 𝑀 ∈ ℝ)
38		abelth.4	. . . . . . . . . 10 ⊢ (𝜑 → 0 ≤ 𝑀)
39	19, 36, 37, 38, 21	abelthlem2 25936	. . . . . . . . 9 ⊢ (𝜑 → (1 ∈ 𝑆 ∧ (𝑆 ∖ {1}) ⊆ (0(ball‘(abs ∘ − ))1)))
40	39	simprd 497	. . . . . . . 8 ⊢ (𝜑 → (𝑆 ∖ {1}) ⊆ (0(ball‘(abs ∘ − ))1))
41	40, 1	sseldd 3983	. . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ (0(ball‘(abs ∘ − ))1))
42		abelth.7	. . . . . . . 8 ⊢ (𝜑 → seq0( + , 𝐴) ⇝ 0)
43	19, 36, 37, 38, 21, 6, 42	abelthlem5 25939	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 ∈ (0(ball‘(abs ∘ − ))1)) → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) ∈ dom ⇝ )
44	41, 43	mpdan 686	. . . . . 6 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) ∈ dom ⇝ )
45	10, 11, 32, 35, 44	isumclim2 15701	. . . . 5 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) ⇝ Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))
46		seqex 13965	. . . . . 6 ⊢ seq0( + , (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))) ∈ V
47	46	a1i 11	. . . . 5 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))) ∈ V)
48		0nn0 12484	. . . . . . . 8 ⊢ 0 ∈ ℕ₀
49	48	a1i 11	. . . . . . 7 ⊢ (𝜑 → 0 ∈ ℕ₀)
50		oveq1 7413	. . . . . . . . . . . . 13 ⊢ (𝑘 = 𝑖 → (𝑘 − 1) = (𝑖 − 1))
51	50	oveq2d 7422	. . . . . . . . . . . 12 ⊢ (𝑘 = 𝑖 → (0...(𝑘 − 1)) = (0...(𝑖 − 1)))
52	51	sumeq1d 15644	. . . . . . . . . . 11 ⊢ (𝑘 = 𝑖 → Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) = Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚))
53		oveq2 7414	. . . . . . . . . . 11 ⊢ (𝑘 = 𝑖 → (𝑋↑𝑘) = (𝑋↑𝑖))
54	52, 53	oveq12d 7424	. . . . . . . . . 10 ⊢ (𝑘 = 𝑖 → (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)) = (Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) · (𝑋↑𝑖)))
55		eqid 2733	. . . . . . . . . 10 ⊢ (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))) = (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))
56		ovex 7439	. . . . . . . . . 10 ⊢ (Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) · (𝑋↑𝑖)) ∈ V
57	54, 55, 56	fvmpt 6996	. . . . . . . . 9 ⊢ (𝑖 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑖) = (Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) · (𝑋↑𝑖)))
58	57	adantl 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑖) = (Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) · (𝑋↑𝑖)))
59		fzfid 13935	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (0...(𝑖 − 1)) ∈ Fin)
60	19	adantr 482	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → 𝐴:ℕ₀⟶ℂ)
61		elfznn0 13591	. . . . . . . . . . 11 ⊢ (𝑚 ∈ (0...(𝑖 − 1)) → 𝑚 ∈ ℕ₀)
62		ffvelcdm 7081	. . . . . . . . . . 11 ⊢ ((𝐴:ℕ₀⟶ℂ ∧ 𝑚 ∈ ℕ₀) → (𝐴‘𝑚) ∈ ℂ)
63	60, 61, 62	syl2an 597	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ₀) ∧ 𝑚 ∈ (0...(𝑖 − 1))) → (𝐴‘𝑚) ∈ ℂ)
64	59, 63	fsumcl 15676	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) ∈ ℂ)
65		expcl 14042	. . . . . . . . . 10 ⊢ ((𝑋 ∈ ℂ ∧ 𝑖 ∈ ℕ₀) → (𝑋↑𝑖) ∈ ℂ)
66	23, 65	sylan 581	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (𝑋↑𝑖) ∈ ℂ)
67	64, 66	mulcld 11231	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (Σ𝑚 ∈ (0...(𝑖 − 1))(𝐴‘𝑚) · (𝑋↑𝑖)) ∈ ℂ)
68	58, 67	eqeltrd 2834	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑖) ∈ ℂ)
69	11	peano2zd 12666	. . . . . . . . 9 ⊢ (𝜑 → (0 + 1) ∈ ℤ)
70		nnuz 12862	. . . . . . . . . . . 12 ⊢ ℕ = (ℤ_≥‘1)
71		1e0p1 12716	. . . . . . . . . . . . 13 ⊢ 1 = (0 + 1)
72	71	fveq2i 6892	. . . . . . . . . . . 12 ⊢ (ℤ_≥‘1) = (ℤ_≥‘(0 + 1))
73	70, 72	eqtri 2761	. . . . . . . . . . 11 ⊢ ℕ = (ℤ_≥‘(0 + 1))
74	73	eleq2i 2826	. . . . . . . . . 10 ⊢ (𝑛 ∈ ℕ ↔ 𝑛 ∈ (ℤ_≥‘(0 + 1)))
75		nnm1nn0 12510	. . . . . . . . . . . . 13 ⊢ (𝑛 ∈ ℕ → (𝑛 − 1) ∈ ℕ₀)
76	75	adantl 483	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 − 1) ∈ ℕ₀)
77		fveq2 6889	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = (𝑛 − 1) → (seq0( + , 𝐴)‘𝑘) = (seq0( + , 𝐴)‘(𝑛 − 1)))
78		oveq2 7414	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = (𝑛 − 1) → (𝑋↑𝑘) = (𝑋↑(𝑛 − 1)))
79	77, 78	oveq12d 7424	. . . . . . . . . . . . . 14 ⊢ (𝑘 = (𝑛 − 1) → ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)) = ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1))))
80	79	oveq2d 7422	. . . . . . . . . . . . 13 ⊢ (𝑘 = (𝑛 − 1) → (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))) = (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))))
81		eqid 2733	. . . . . . . . . . . . 13 ⊢ (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) = (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))
82		ovex 7439	. . . . . . . . . . . . 13 ⊢ (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))) ∈ V
83	80, 81, 82	fvmpt 6996	. . . . . . . . . . . 12 ⊢ ((𝑛 − 1) ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘(𝑛 − 1)) = (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))))
84	76, 83	syl 17	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘(𝑛 − 1)) = (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))))
85		ax-1cn 11165	. . . . . . . . . . . 12 ⊢ 1 ∈ ℂ
86		nncn 12217	. . . . . . . . . . . . 13 ⊢ (𝑛 ∈ ℕ → 𝑛 ∈ ℂ)
87	86	adantl 483	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℂ)
88		nn0ex 12475	. . . . . . . . . . . . . 14 ⊢ ℕ₀ ∈ V
89	88	mptex 7222	. . . . . . . . . . . . 13 ⊢ (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) ∈ V
90	89	shftval 15018	. . . . . . . . . . . 12 ⊢ ((1 ∈ ℂ ∧ 𝑛 ∈ ℂ) → (((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)‘𝑛) = ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘(𝑛 − 1)))
91	85, 87, 90	sylancr 588	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)‘𝑛) = ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘(𝑛 − 1)))
92		eqidd 2734	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑚 ∈ (0...(𝑛 − 1))) → (𝐴‘𝑚) = (𝐴‘𝑚))
93	76, 10	eleqtrdi 2844	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 − 1) ∈ (ℤ_≥‘0))
94	19	adantr 482	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴:ℕ₀⟶ℂ)
95		elfznn0 13591	. . . . . . . . . . . . . . 15 ⊢ (𝑚 ∈ (0...(𝑛 − 1)) → 𝑚 ∈ ℕ₀)
96	94, 95, 62	syl2an 597	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑚 ∈ (0...(𝑛 − 1))) → (𝐴‘𝑚) ∈ ℂ)
97	92, 93, 96	fsumser 15673	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) = (seq0( + , 𝐴)‘(𝑛 − 1)))
98		expm1t 14053	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 ∈ ℂ ∧ 𝑛 ∈ ℕ) → (𝑋↑𝑛) = ((𝑋↑(𝑛 − 1)) · 𝑋))
99	23, 98	sylan 581	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑋↑𝑛) = ((𝑋↑(𝑛 − 1)) · 𝑋))
100	23	adantr 482	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑋 ∈ ℂ)
101		expcl 14042	. . . . . . . . . . . . . . . 16 ⊢ ((𝑋 ∈ ℂ ∧ (𝑛 − 1) ∈ ℕ₀) → (𝑋↑(𝑛 − 1)) ∈ ℂ)
102	23, 75, 101	syl2an 597	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑋↑(𝑛 − 1)) ∈ ℂ)
103	100, 102	mulcomd 11232	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑋 · (𝑋↑(𝑛 − 1))) = ((𝑋↑(𝑛 − 1)) · 𝑋))
104	99, 103	eqtr4d 2776	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑋↑𝑛) = (𝑋 · (𝑋↑(𝑛 − 1))))
105	97, 104	oveq12d 7424	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)) = ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋 · (𝑋↑(𝑛 − 1)))))
106		nnnn0 12476	. . . . . . . . . . . . . 14 ⊢ (𝑛 ∈ ℕ → 𝑛 ∈ ℕ₀)
107	106	adantl 483	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℕ₀)
108		oveq1 7413	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = 𝑛 → (𝑘 − 1) = (𝑛 − 1))
109	108	oveq2d 7422	. . . . . . . . . . . . . . . 16 ⊢ (𝑘 = 𝑛 → (0...(𝑘 − 1)) = (0...(𝑛 − 1)))
110	109	sumeq1d 15644	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = 𝑛 → Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) = Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚))
111	110, 13	oveq12d 7424	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 𝑛 → (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)))
112		ovex 7439	. . . . . . . . . . . . . 14 ⊢ (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)) ∈ V
113	111, 55, 112	fvmpt 6996	. . . . . . . . . . . . 13 ⊢ (𝑛 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)))
114	107, 113	syl 17	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)))
115		ffvelcdm 7081	. . . . . . . . . . . . . 14 ⊢ ((seq0( + , 𝐴):ℕ₀⟶ℂ ∧ (𝑛 − 1) ∈ ℕ₀) → (seq0( + , 𝐴)‘(𝑛 − 1)) ∈ ℂ)
116	33, 75, 115	syl2an 597	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (seq0( + , 𝐴)‘(𝑛 − 1)) ∈ ℂ)
117	100, 116, 102	mul12d 11420	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))) = ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋 · (𝑋↑(𝑛 − 1)))))
118	105, 114, 117	3eqtr4d 2783	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) = (𝑋 · ((seq0( + , 𝐴)‘(𝑛 − 1)) · (𝑋↑(𝑛 − 1)))))
119	84, 91, 118	3eqtr4d 2783	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)‘𝑛) = ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛))
120	74, 119	sylan2br 596	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ_≥‘(0 + 1))) → (((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)‘𝑛) = ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛))
121	69, 120	seqfeq 13990	. . . . . . . 8 ⊢ (𝜑 → seq(0 + 1)( + , ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)) = seq(0 + 1)( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))))
122		fveq2 6889	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 𝑖 → (seq0( + , 𝐴)‘𝑘) = (seq0( + , 𝐴)‘𝑖))
123	122, 53	oveq12d 7424	. . . . . . . . . . . . 13 ⊢ (𝑘 = 𝑖 → ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)) = ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖)))
124		ovex 7439	. . . . . . . . . . . . 13 ⊢ ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖)) ∈ V
125	123, 29, 124	fvmpt 6996	. . . . . . . . . . . 12 ⊢ (𝑖 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑖) = ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖)))
126	125	adantl 483	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑖) = ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖)))
127	33	ffvelcdmda 7084	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (seq0( + , 𝐴)‘𝑖) ∈ ℂ)
128	127, 66	mulcld 11231	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖)) ∈ ℂ)
129	126, 128	eqeltrd 2834	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑖) ∈ ℂ)
130	123	oveq2d 7422	. . . . . . . . . . . . 13 ⊢ (𝑘 = 𝑖 → (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))) = (𝑋 · ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖))))
131		ovex 7439	. . . . . . . . . . . . 13 ⊢ (𝑋 · ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖))) ∈ V
132	130, 81, 131	fvmpt 6996	. . . . . . . . . . . 12 ⊢ (𝑖 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘𝑖) = (𝑋 · ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖))))
133	132	adantl 483	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘𝑖) = (𝑋 · ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖))))
134	126	oveq2d 7422	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (𝑋 · ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑖)) = (𝑋 · ((seq0( + , 𝐴)‘𝑖) · (𝑋↑𝑖))))
135	133, 134	eqtr4d 2776	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘𝑖) = (𝑋 · ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑖)))
136	10, 11, 23, 45, 129, 135	isermulc2 15601	. . . . . . . . 9 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
137		0z 12566	. . . . . . . . . 10 ⊢ 0 ∈ ℤ
138		1z 12589	. . . . . . . . . 10 ⊢ 1 ∈ ℤ
139	89	isershft 15607	. . . . . . . . . 10 ⊢ ((0 ∈ ℤ ∧ 1 ∈ ℤ) → (seq0( + , (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) ↔ seq(0 + 1)( + , ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))))
140	137, 138, 139	mp2an 691	. . . . . . . . 9 ⊢ (seq0( + , (𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) ↔ seq(0 + 1)( + , ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
141	136, 140	sylib 217	. . . . . . . 8 ⊢ (𝜑 → seq(0 + 1)( + , ((𝑘 ∈ ℕ₀ ↦ (𝑋 · ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))) shift 1)) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
142	121, 141	eqbrtrrd 5172	. . . . . . 7 ⊢ (𝜑 → seq(0 + 1)( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
143	10, 49, 68, 142	clim2ser2 15599	. . . . . 6 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))) ⇝ ((𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) + (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0)))
144		seq1 13976	. . . . . . . . . . 11 ⊢ (0 ∈ ℤ → (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0) = ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘0))
145	137, 144	ax-mp 5	. . . . . . . . . 10 ⊢ (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0) = ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘0)
146		oveq1 7413	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = 0 → (𝑘 − 1) = (0 − 1))
147	146	oveq2d 7422	. . . . . . . . . . . . . . . 16 ⊢ (𝑘 = 0 → (0...(𝑘 − 1)) = (0...(0 − 1)))
148		risefall0lem 15967	. . . . . . . . . . . . . . . 16 ⊢ (0...(0 − 1)) = ∅
149	147, 148	eqtrdi 2789	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = 0 → (0...(𝑘 − 1)) = ∅)
150	149	sumeq1d 15644	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 0 → Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) = Σ𝑚 ∈ ∅ (𝐴‘𝑚))
151		sum0 15664	. . . . . . . . . . . . . 14 ⊢ Σ𝑚 ∈ ∅ (𝐴‘𝑚) = 0
152	150, 151	eqtrdi 2789	. . . . . . . . . . . . 13 ⊢ (𝑘 = 0 → Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) = 0)
153		oveq2 7414	. . . . . . . . . . . . 13 ⊢ (𝑘 = 0 → (𝑋↑𝑘) = (𝑋↑0))
154	152, 153	oveq12d 7424	. . . . . . . . . . . 12 ⊢ (𝑘 = 0 → (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)) = (0 · (𝑋↑0)))
155		ovex 7439	. . . . . . . . . . . 12 ⊢ (0 · (𝑋↑0)) ∈ V
156	154, 55, 155	fvmpt 6996	. . . . . . . . . . 11 ⊢ (0 ∈ ℕ₀ → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘0) = (0 · (𝑋↑0)))
157	48, 156	ax-mp 5	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘0) = (0 · (𝑋↑0))
158	145, 157	eqtri 2761	. . . . . . . . 9 ⊢ (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0) = (0 · (𝑋↑0))
159		expcl 14042	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ ℂ ∧ 0 ∈ ℕ₀) → (𝑋↑0) ∈ ℂ)
160	23, 48, 159	sylancl 587	. . . . . . . . . 10 ⊢ (𝜑 → (𝑋↑0) ∈ ℂ)
161	160	mul02d 11409	. . . . . . . . 9 ⊢ (𝜑 → (0 · (𝑋↑0)) = 0)
162	158, 161	eqtrid 2785	. . . . . . . 8 ⊢ (𝜑 → (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0) = 0)
163	162	oveq2d 7422	. . . . . . 7 ⊢ (𝜑 → ((𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) + (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0)) = ((𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) + 0))
164	10, 11, 32, 35, 44	isumcl 15704	. . . . . . . . 9 ⊢ (𝜑 → Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) ∈ ℂ)
165	23, 164	mulcld 11231	. . . . . . . 8 ⊢ (𝜑 → (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) ∈ ℂ)
166	165	addridd 11411	. . . . . . 7 ⊢ (𝜑 → ((𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) + 0) = (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
167	163, 166	eqtrd 2773	. . . . . 6 ⊢ (𝜑 → ((𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) + (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘0)) = (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
168	143, 167	breqtrd 5174	. . . . 5 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))) ⇝ (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
169	10, 11, 129	serf 13993	. . . . . 6 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))):ℕ₀⟶ℂ)
170	169	ffvelcdmda 7084	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘𝑖) ∈ ℂ)
171	10, 11, 68	serf 13993	. . . . . 6 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))):ℕ₀⟶ℂ)
172	171	ffvelcdmda 7084	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘𝑖) ∈ ℂ)
173		simpr 486	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → 𝑖 ∈ ℕ₀)
174	173, 10	eleqtrdi 2844	. . . . . 6 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → 𝑖 ∈ (ℤ_≥‘0))
175		simpl 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → 𝜑)
176		elfznn0 13591	. . . . . . 7 ⊢ (𝑛 ∈ (0...𝑖) → 𝑛 ∈ ℕ₀)
177	32, 35	eqeltrd 2834	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) ∈ ℂ)
178	175, 176, 177	syl2an 597	. . . . . 6 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ₀) ∧ 𝑛 ∈ (0...𝑖)) → ((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) ∈ ℂ)
179	113	adantl 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)))
180		fzfid 13935	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (0...(𝑛 − 1)) ∈ Fin)
181	19	adantr 482	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → 𝐴:ℕ₀⟶ℂ)
182	181, 95, 62	syl2an 597	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑚 ∈ (0...(𝑛 − 1))) → (𝐴‘𝑚) ∈ ℂ)
183	180, 182	fsumcl 15676	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) ∈ ℂ)
184	183, 25	mulcld 11231	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛)) ∈ ℂ)
185	179, 184	eqeltrd 2834	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) ∈ ℂ)
186	175, 176, 185	syl2an 597	. . . . . 6 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ₀) ∧ 𝑛 ∈ (0...𝑖)) → ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛) ∈ ℂ)
187		eqidd 2734	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑚 ∈ (0...𝑛)) → (𝐴‘𝑚) = (𝐴‘𝑚))
188		simpr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → 𝑛 ∈ ℕ₀)
189	188, 10	eleqtrdi 2844	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → 𝑛 ∈ (ℤ_≥‘0))
190		elfznn0 13591	. . . . . . . . . . . . . . 15 ⊢ (𝑚 ∈ (0...𝑛) → 𝑚 ∈ ℕ₀)
191	181, 190, 62	syl2an 597	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ₀) ∧ 𝑚 ∈ (0...𝑛)) → (𝐴‘𝑚) ∈ ℂ)
192	187, 189, 191	fsumser 15673	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → Σ𝑚 ∈ (0...𝑛)(𝐴‘𝑚) = (seq0( + , 𝐴)‘𝑛))
193		fveq2 6889	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝐴‘𝑚) = (𝐴‘𝑛))
194	189, 191, 193	fsumm1 15694	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → Σ𝑚 ∈ (0...𝑛)(𝐴‘𝑚) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) + (𝐴‘𝑛)))
195	192, 194	eqtr3d 2775	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (seq0( + , 𝐴)‘𝑛) = (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) + (𝐴‘𝑛)))
196	195	oveq1d 7421	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((seq0( + , 𝐴)‘𝑛) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)) = ((Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) + (𝐴‘𝑛)) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)))
197	183, 20	pncan2d 11570	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) + (𝐴‘𝑛)) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)) = (𝐴‘𝑛))
198	196, 197	eqtr2d 2774	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (𝐴‘𝑛) = ((seq0( + , 𝐴)‘𝑛) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)))
199	198	oveq1d 7421	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝐴‘𝑛) · (𝑋↑𝑛)) = (((seq0( + , 𝐴)‘𝑛) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)) · (𝑋↑𝑛)))
200	34, 183, 25	subdird 11668	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (((seq0( + , 𝐴)‘𝑛) − Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚)) · (𝑋↑𝑛)) = (((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛))))
201	199, 200	eqtrd 2773	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝐴‘𝑛) · (𝑋↑𝑛)) = (((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛))))
202	32, 179	oveq12d 7424	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) − ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛)) = (((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (Σ𝑚 ∈ (0...(𝑛 − 1))(𝐴‘𝑚) · (𝑋↑𝑛))))
203	201, 18, 202	3eqtr4d 2783	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → ((𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))‘𝑛) = (((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) − ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛)))
204	175, 176, 203	syl2an 597	. . . . . 6 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ₀) ∧ 𝑛 ∈ (0...𝑖)) → ((𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))‘𝑛) = (((𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘)))‘𝑛) − ((𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘)))‘𝑛)))
205	174, 178, 186, 204	sersub 14008	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ₀) → (seq0( + , (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘))))‘𝑖) = ((seq0( + , (𝑘 ∈ ℕ₀ ↦ ((seq0( + , 𝐴)‘𝑘) · (𝑋↑𝑘))))‘𝑖) − (seq0( + , (𝑘 ∈ ℕ₀ ↦ (Σ𝑚 ∈ (0...(𝑘 − 1))(𝐴‘𝑚) · (𝑋↑𝑘))))‘𝑖)))
206	10, 11, 45, 47, 168, 170, 172, 205	climsub 15575	. . . 4 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))) ⇝ (Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))))
207		1cnd 11206	. . . . . 6 ⊢ (𝜑 → 1 ∈ ℂ)
208	207, 23, 164	subdird 11668	. . . . 5 ⊢ (𝜑 → ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) = ((1 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) − (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))))
209	164	mullidd 11229	. . . . . 6 ⊢ (𝜑 → (1 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) = Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))
210	209	oveq1d 7421	. . . . 5 ⊢ (𝜑 → ((1 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) − (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))) = (Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))))
211	208, 210	eqtrd 2773	. . . 4 ⊢ (𝜑 → ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))) = (Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)) − (𝑋 · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛)))))
212	206, 211	breqtrrd 5176	. . 3 ⊢ (𝜑 → seq0( + , (𝑘 ∈ ℕ₀ ↦ ((𝐴‘𝑘) · (𝑋↑𝑘)))) ⇝ ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
213	10, 11, 18, 26, 212	isumclim 15700	. 2 ⊢ (𝜑 → Σ𝑛 ∈ ℕ₀ ((𝐴‘𝑛) · (𝑋↑𝑛)) = ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))
214	9, 213	eqtrd 2773	1 ⊢ (𝜑 → (𝐹‘𝑋) = ((1 − 𝑋) · Σ𝑛 ∈ ℕ₀ ((seq0( + , 𝐴)‘𝑛) · (𝑋↑𝑛))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 {crab 3433 Vcvv 3475 ∖ cdif 3945 ⊆ wss 3948 ∅c0 4322 {csn 4628 class class class wbr 5148 ↦ cmpt 5231 dom cdm 5676 ∘ ccom 5680 ⟶wf 6537 ‘cfv 6541 (class class class)co 7406 ℂcc 11105 ℝcr 11106 0cc0 11107 1c1 11108 + caddc 11110 · cmul 11112 ≤ cle 11246 − cmin 11441 ℕcn 12209 ℕ₀cn0 12469 ℤcz 12555 ℤ_≥cuz 12819 ...cfz 13481 seqcseq 13963 ↑cexp 14024 shift cshi 15010 abscabs 15178 ⇝ cli 15425 Σcsu 15629 ballcbl 20924

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 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7722 ax-inf2 9633 ax-cnex 11163 ax-resscn 11164 ax-1cn 11165 ax-icn 11166 ax-addcl 11167 ax-addrcl 11168 ax-mulcl 11169 ax-mulrcl 11170 ax-mulcom 11171 ax-addass 11172 ax-mulass 11173 ax-distr 11174 ax-i2m1 11175 ax-1ne0 11176 ax-1rid 11177 ax-rnegex 11178 ax-rrecex 11179 ax-cnre 11180 ax-pre-lttri 11181 ax-pre-lttrn 11182 ax-pre-ltadd 11183 ax-pre-mulgt0 11184 ax-pre-sup 11185

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 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-se 5632 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6298 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7362 df-ov 7409 df-oprab 7410 df-mpo 7411 df-om 7853 df-1st 7972 df-2nd 7973 df-frecs 8263 df-wrecs 8294 df-recs 8368 df-rdg 8407 df-1o 8463 df-er 8700 df-map 8819 df-pm 8820 df-en 8937 df-dom 8938 df-sdom 8939 df-fin 8940 df-sup 9434 df-inf 9435 df-oi 9502 df-card 9931 df-pnf 11247 df-mnf 11248 df-xr 11249 df-ltxr 11250 df-le 11251 df-sub 11443 df-neg 11444 df-div 11869 df-nn 12210 df-2 12272 df-3 12273 df-n0 12470 df-z 12556 df-uz 12820 df-rp 12972 df-xadd 13090 df-ico 13327 df-fz 13482 df-fzo 13625 df-fl 13754 df-seq 13964 df-exp 14025 df-hash 14288 df-shft 15011 df-cj 15043 df-re 15044 df-im 15045 df-sqrt 15179 df-abs 15180 df-limsup 15412 df-clim 15429 df-rlim 15430 df-sum 15630 df-psmet 20929 df-xmet 20930 df-met 20931 df-bl 20932

This theorem is referenced by: abelthlem7 25942

W3C validator