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Theorem coeeulem 25974

Description: Lemma for coeeu 25975. (Contributed by Mario Carneiro, 22-Jul-2014.)

**Hypotheses**
Ref	Expression
coeeu.1	⊢ (𝜑 → 𝐹 ∈ (Poly‘𝑆))
coeeu.2	⊢ (𝜑 → 𝐴 ∈ (ℂ ↑_m ℕ₀))
coeeu.3	⊢ (𝜑 → 𝐵 ∈ (ℂ ↑_m ℕ₀))
coeeu.4	⊢ (𝜑 → 𝑀 ∈ ℕ₀)
coeeu.5	⊢ (𝜑 → 𝑁 ∈ ℕ₀)
coeeu.6	⊢ (𝜑 → (𝐴 “ (ℤ_≥‘(𝑀 + 1))) = {0})
coeeu.7	⊢ (𝜑 → (𝐵 “ (ℤ_≥‘(𝑁 + 1))) = {0})
coeeu.8	⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))))
coeeu.9	⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))))

**Assertion**
Ref	Expression
coeeulem	⊢ (𝜑 → 𝐴 = 𝐵)

Distinct variable groups: 𝑧,𝑘,𝐵 𝜑,𝑘,𝑧 𝐴,𝑘,𝑧 𝑘,𝑀,𝑧 𝑘,𝑁,𝑧 Allowed substitution hints: 𝑆(𝑧,𝑘) 𝐹(𝑧,𝑘)

Proof of Theorem coeeulem Dummy variables 𝑦 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ssidd 4005	. . 3 ⊢ (𝜑 → ℂ ⊆ ℂ)
2		coeeu.4	. . . 4 ⊢ (𝜑 → 𝑀 ∈ ℕ₀)
3		coeeu.5	. . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
4	2, 3	nn0addcld 12541	. . 3 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ ℕ₀)
5		subcl 11464	. . . . . . 7 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 − 𝑦) ∈ ℂ)
6	5	adantl 481	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ)) → (𝑥 − 𝑦) ∈ ℂ)
7		coeeu.2	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ (ℂ ↑_m ℕ₀))
8		cnex 11195	. . . . . . . 8 ⊢ ℂ ∈ V
9		nn0ex 12483	. . . . . . . 8 ⊢ ℕ₀ ∈ V
10	8, 9	elmap 8869	. . . . . . 7 ⊢ (𝐴 ∈ (ℂ ↑_m ℕ₀) ↔ 𝐴:ℕ₀⟶ℂ)
11	7, 10	sylib 217	. . . . . 6 ⊢ (𝜑 → 𝐴:ℕ₀⟶ℂ)
12		coeeu.3	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ (ℂ ↑_m ℕ₀))
13	8, 9	elmap 8869	. . . . . . 7 ⊢ (𝐵 ∈ (ℂ ↑_m ℕ₀) ↔ 𝐵:ℕ₀⟶ℂ)
14	12, 13	sylib 217	. . . . . 6 ⊢ (𝜑 → 𝐵:ℕ₀⟶ℂ)
15	9	a1i 11	. . . . . 6 ⊢ (𝜑 → ℕ₀ ∈ V)
16		inidm 4218	. . . . . 6 ⊢ (ℕ₀ ∩ ℕ₀) = ℕ₀
17	6, 11, 14, 15, 15, 16	off 7692	. . . . 5 ⊢ (𝜑 → (𝐴 ∘_f − 𝐵):ℕ₀⟶ℂ)
18	8, 9	elmap 8869	. . . . 5 ⊢ ((𝐴 ∘_f − 𝐵) ∈ (ℂ ↑_m ℕ₀) ↔ (𝐴 ∘_f − 𝐵):ℕ₀⟶ℂ)
19	17, 18	sylibr 233	. . . 4 ⊢ (𝜑 → (𝐴 ∘_f − 𝐵) ∈ (ℂ ↑_m ℕ₀))
20		0cn 11211	. . . . . . 7 ⊢ 0 ∈ ℂ
21		snssi 4811	. . . . . . 7 ⊢ (0 ∈ ℂ → {0} ⊆ ℂ)
22	20, 21	ax-mp 5	. . . . . 6 ⊢ {0} ⊆ ℂ
23		ssequn2 4183	. . . . . 6 ⊢ ({0} ⊆ ℂ ↔ (ℂ ∪ {0}) = ℂ)
24	22, 23	mpbi 229	. . . . 5 ⊢ (ℂ ∪ {0}) = ℂ
25	24	oveq1i 7422	. . . 4 ⊢ ((ℂ ∪ {0}) ↑_m ℕ₀) = (ℂ ↑_m ℕ₀)
26	19, 25	eleqtrrdi 2843	. . 3 ⊢ (𝜑 → (𝐴 ∘_f − 𝐵) ∈ ((ℂ ∪ {0}) ↑_m ℕ₀))
27	4	nn0red 12538	. . . . . . . 8 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ ℝ)
28		nn0re 12486	. . . . . . . 8 ⊢ (𝑘 ∈ ℕ₀ → 𝑘 ∈ ℝ)
29		ltnle 11298	. . . . . . . 8 ⊢ (((𝑀 + 𝑁) ∈ ℝ ∧ 𝑘 ∈ ℝ) → ((𝑀 + 𝑁) < 𝑘 ↔ ¬ 𝑘 ≤ (𝑀 + 𝑁)))
30	27, 28, 29	syl2an 595	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝑀 + 𝑁) < 𝑘 ↔ ¬ 𝑘 ≤ (𝑀 + 𝑁)))
31	11	ffnd 6718	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐴 Fn ℕ₀)
32	14	ffnd 6718	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐵 Fn ℕ₀)
33		eqidd 2732	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝐴‘𝑘) = (𝐴‘𝑘))
34		eqidd 2732	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝐵‘𝑘) = (𝐵‘𝑘))
35	31, 32, 15, 15, 16, 33, 34	ofval 7685	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝐴 ∘_f − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
36	35	adantrr 714	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴 ∘_f − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
37	2	nn0red 12538	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑀 ∈ ℝ)
38	37	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 ∈ ℝ)
39	27	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 + 𝑁) ∈ ℝ)
40	28	adantl 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑘 ∈ ℝ)
41	40	adantrr 714	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑘 ∈ ℝ)
42	2	nn0cnd 12539	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑀 ∈ ℂ)
43	3	nn0cnd 12539	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ∈ ℂ)
44	42, 43	addcomd 11421	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑀 + 𝑁) = (𝑁 + 𝑀))
45		nn0uz 12869	. . . . . . . . . . . . . . . . . . . 20 ⊢ ℕ₀ = (ℤ_≥‘0)
46	3, 45	eleqtrdi 2842	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ∈ (ℤ_≥‘0))
47	2	nn0zd 12589	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑀 ∈ ℤ)
48		eluzadd 12856	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑁 ∈ (ℤ_≥‘0) ∧ 𝑀 ∈ ℤ) → (𝑁 + 𝑀) ∈ (ℤ_≥‘(0 + 𝑀)))
49	46, 47, 48	syl2anc 583	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑁 + 𝑀) ∈ (ℤ_≥‘(0 + 𝑀)))
50	44, 49	eqeltrd 2832	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ_≥‘(0 + 𝑀)))
51	42	addlidd 11420	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (0 + 𝑀) = 𝑀)
52	51	fveq2d 6895	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (ℤ_≥‘(0 + 𝑀)) = (ℤ_≥‘𝑀))
53	50, 52	eleqtrd 2834	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝑀))
54		eluzle 12840	. . . . . . . . . . . . . . . 16 ⊢ ((𝑀 + 𝑁) ∈ (ℤ_≥‘𝑀) → 𝑀 ≤ (𝑀 + 𝑁))
55	53, 54	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑀 ≤ (𝑀 + 𝑁))
56	55	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 ≤ (𝑀 + 𝑁))
57		simprr 770	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 + 𝑁) < 𝑘)
58	38, 39, 41, 56, 57	lelttrd 11377	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 < 𝑘)
59	38, 41	ltnled 11366	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 < 𝑘 ↔ ¬ 𝑘 ≤ 𝑀))
60	58, 59	mpbid 231	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ¬ 𝑘 ≤ 𝑀)
61		coeeu.6	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐴 “ (ℤ_≥‘(𝑀 + 1))) = {0})
62		plyco0 25942	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑀 ∈ ℕ₀ ∧ 𝐴:ℕ₀⟶ℂ) → ((𝐴 “ (ℤ_≥‘(𝑀 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀)))
63	2, 11, 62	syl2anc 583	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐴 “ (ℤ_≥‘(𝑀 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀)))
64	61, 63	mpbid 231	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ∀𝑘 ∈ ℕ₀ ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
65	64	r19.21bi 3247	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
66	65	adantrr 714	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
67	66	necon1bd 2957	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (¬ 𝑘 ≤ 𝑀 → (𝐴‘𝑘) = 0))
68	60, 67	mpd 15	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝐴‘𝑘) = 0)
69	3	nn0red 12538	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑁 ∈ ℝ)
70	69	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 ∈ ℝ)
71	2, 45	eleqtrdi 2842	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘0))
72	3	nn0zd 12589	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑁 ∈ ℤ)
73		eluzadd 12856	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑀 ∈ (ℤ_≥‘0) ∧ 𝑁 ∈ ℤ) → (𝑀 + 𝑁) ∈ (ℤ_≥‘(0 + 𝑁)))
74	71, 72, 73	syl2anc 583	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ_≥‘(0 + 𝑁)))
75	43	addlidd 11420	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (0 + 𝑁) = 𝑁)
76	75	fveq2d 6895	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (ℤ_≥‘(0 + 𝑁)) = (ℤ_≥‘𝑁))
77	74, 76	eleqtrd 2834	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝑁))
78		eluzle 12840	. . . . . . . . . . . . . . . 16 ⊢ ((𝑀 + 𝑁) ∈ (ℤ_≥‘𝑁) → 𝑁 ≤ (𝑀 + 𝑁))
79	77, 78	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑁 ≤ (𝑀 + 𝑁))
80	79	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 ≤ (𝑀 + 𝑁))
81	70, 39, 41, 80, 57	lelttrd 11377	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 < 𝑘)
82	70, 41	ltnled 11366	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑁 < 𝑘 ↔ ¬ 𝑘 ≤ 𝑁))
83	81, 82	mpbid 231	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ¬ 𝑘 ≤ 𝑁)
84		coeeu.7	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐵 “ (ℤ_≥‘(𝑁 + 1))) = {0})
85		plyco0 25942	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑁 ∈ ℕ₀ ∧ 𝐵:ℕ₀⟶ℂ) → ((𝐵 “ (ℤ_≥‘(𝑁 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁)))
86	3, 14, 85	syl2anc 583	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐵 “ (ℤ_≥‘(𝑁 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁)))
87	84, 86	mpbid 231	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ∀𝑘 ∈ ℕ₀ ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
88	87	r19.21bi 3247	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
89	88	adantrr 714	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
90	89	necon1bd 2957	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (¬ 𝑘 ≤ 𝑁 → (𝐵‘𝑘) = 0))
91	83, 90	mpd 15	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → (𝐵‘𝑘) = 0)
92	68, 91	oveq12d 7430	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) − (𝐵‘𝑘)) = (0 − 0))
93		0m0e0 12337	. . . . . . . . . 10 ⊢ (0 − 0) = 0
94	92, 93	eqtrdi 2787	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) − (𝐵‘𝑘)) = 0)
95	36, 94	eqtrd 2771	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ₀ ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴 ∘_f − 𝐵)‘𝑘) = 0)
96	95	expr 456	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝑀 + 𝑁) < 𝑘 → ((𝐴 ∘_f − 𝐵)‘𝑘) = 0))
97	30, 96	sylbird 260	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (¬ 𝑘 ≤ (𝑀 + 𝑁) → ((𝐴 ∘_f − 𝐵)‘𝑘) = 0))
98	97	necon1ad 2956	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (((𝐴 ∘_f − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁)))
99	98	ralrimiva 3145	. . . 4 ⊢ (𝜑 → ∀𝑘 ∈ ℕ₀ (((𝐴 ∘_f − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁)))
100		plyco0 25942	. . . . 5 ⊢ (((𝑀 + 𝑁) ∈ ℕ₀ ∧ (𝐴 ∘_f − 𝐵):ℕ₀⟶ℂ) → (((𝐴 ∘_f − 𝐵) “ (ℤ_≥‘((𝑀 + 𝑁) + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ (((𝐴 ∘_f − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁))))
101	4, 17, 100	syl2anc 583	. . . 4 ⊢ (𝜑 → (((𝐴 ∘_f − 𝐵) “ (ℤ_≥‘((𝑀 + 𝑁) + 1))) = {0} ↔ ∀𝑘 ∈ ℕ₀ (((𝐴 ∘_f − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁))))
102	99, 101	mpbird 257	. . 3 ⊢ (𝜑 → ((𝐴 ∘_f − 𝐵) “ (ℤ_≥‘((𝑀 + 𝑁) + 1))) = {0})
103		df-0p 25420	. . . . 5 ⊢ 0_𝑝 = (ℂ × {0})
104		fconstmpt 5738	. . . . 5 ⊢ (ℂ × {0}) = (𝑧 ∈ ℂ ↦ 0)
105	103, 104	eqtri 2759	. . . 4 ⊢ 0_𝑝 = (𝑧 ∈ ℂ ↦ 0)
106		elfznn0 13599	. . . . . . . 8 ⊢ (𝑘 ∈ (0...(𝑀 + 𝑁)) → 𝑘 ∈ ℕ₀)
107	35	adantlr 712	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → ((𝐴 ∘_f − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
108	107	oveq1d 7427	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) − (𝐵‘𝑘)) · (𝑧↑𝑘)))
109	11	adantr 480	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝐴:ℕ₀⟶ℂ)
110	109	ffvelcdmda 7086	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (𝐴‘𝑘) ∈ ℂ)
111	14	adantr 480	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝐵:ℕ₀⟶ℂ)
112	111	ffvelcdmda 7086	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (𝐵‘𝑘) ∈ ℂ)
113		expcl 14050	. . . . . . . . . . 11 ⊢ ((𝑧 ∈ ℂ ∧ 𝑘 ∈ ℕ₀) → (𝑧↑𝑘) ∈ ℂ)
114	113	adantll 711	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (𝑧↑𝑘) ∈ ℂ)
115	110, 112, 114	subdird 11676	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (((𝐴‘𝑘) − (𝐵‘𝑘)) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
116	108, 115	eqtrd 2771	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
117	106, 116	sylan2 592	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → (((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
118	117	sumeq2dv 15654	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
119		fzfid 13943	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...(𝑀 + 𝑁)) ∈ Fin)
120	110, 114	mulcld 11239	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
121	106, 120	sylan2 592	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
122	112, 114	mulcld 11239	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
123	106, 122	sylan2 592	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
124	119, 121, 123	fsumsub 15739	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))) = (Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) − Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘))))
125	119, 121	fsumcl 15684	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
126		coeeu.8	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))))
127		coeeu.9	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))))
128	126, 127	eqtr3d 2773	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))))
129	128	fveq1d 6893	. . . . . . . . 9 ⊢ (𝜑 → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧))
130	129	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧))
131		simpr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝑧 ∈ ℂ)
132		sumex 15639	. . . . . . . . . 10 ⊢ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ V
133		eqid 2731	. . . . . . . . . . 11 ⊢ (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))
134	133	fvmpt2 7009	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℂ ∧ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ V) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))
135	131, 132, 134	sylancl 585	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))
136		fzss2 13546	. . . . . . . . . . . 12 ⊢ ((𝑀 + 𝑁) ∈ (ℤ_≥‘𝑀) → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
137	53, 136	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
138	137	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
139	138	sselda 3982	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑀)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
140	139, 121	syldan 590	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑀)) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
141		eldifn 4127	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → ¬ 𝑘 ∈ (0...𝑀))
142	141	adantl 481	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ¬ 𝑘 ∈ (0...𝑀))
143		eldifi 4126	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
144	143, 106	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → 𝑘 ∈ ℕ₀)
145		simpr 484	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑘 ∈ ℕ₀)
146	145, 45	eleqtrdi 2842	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑘 ∈ (ℤ_≥‘0))
147	47	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑀 ∈ ℤ)
148		elfz5 13498	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑘 ∈ (ℤ_≥‘0) ∧ 𝑀 ∈ ℤ) → (𝑘 ∈ (0...𝑀) ↔ 𝑘 ≤ 𝑀))
149	146, 147, 148	syl2anc 583	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝑘 ∈ (0...𝑀) ↔ 𝑘 ≤ 𝑀))
150	65, 149	sylibrd 259	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑀)))
151	150	adantlr 712	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑀)))
152	151	necon1bd 2957	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (¬ 𝑘 ∈ (0...𝑀) → (𝐴‘𝑘) = 0))
153	144, 152	sylan2 592	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (¬ 𝑘 ∈ (0...𝑀) → (𝐴‘𝑘) = 0))
154	142, 153	mpd 15	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (𝐴‘𝑘) = 0)
155	154	oveq1d 7427	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) = (0 · (𝑧↑𝑘)))
156	131, 144, 113	syl2an 595	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (𝑧↑𝑘) ∈ ℂ)
157	156	mul02d 11417	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (0 · (𝑧↑𝑘)) = 0)
158	155, 157	eqtrd 2771	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) = 0)
159	138, 140, 158, 119	fsumss 15676	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)))
160	135, 159	eqtrd 2771	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)))
161		sumex 15639	. . . . . . . . . 10 ⊢ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ V
162		eqid 2731	. . . . . . . . . . 11 ⊢ (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))
163	162	fvmpt2 7009	. . . . . . . . . 10 ⊢ ((𝑧 ∈ ℂ ∧ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ V) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))
164	131, 161, 163	sylancl 585	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))
165		fzss2 13546	. . . . . . . . . . . 12 ⊢ ((𝑀 + 𝑁) ∈ (ℤ_≥‘𝑁) → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
166	77, 165	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
167	166	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
168	167	sselda 3982	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑁)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
169	168, 123	syldan 590	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑁)) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
170		eldifn 4127	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → ¬ 𝑘 ∈ (0...𝑁))
171	170	adantl 481	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ¬ 𝑘 ∈ (0...𝑁))
172		eldifi 4126	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
173	172, 106	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → 𝑘 ∈ ℕ₀)
174	72	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → 𝑁 ∈ ℤ)
175		elfz5 13498	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑘 ∈ (ℤ_≥‘0) ∧ 𝑁 ∈ ℤ) → (𝑘 ∈ (0...𝑁) ↔ 𝑘 ≤ 𝑁))
176	146, 174, 175	syl2anc 583	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → (𝑘 ∈ (0...𝑁) ↔ 𝑘 ≤ 𝑁))
177	88, 176	sylibrd 259	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ₀) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑁)))
178	177	adantlr 712	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑁)))
179	178	necon1bd 2957	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ₀) → (¬ 𝑘 ∈ (0...𝑁) → (𝐵‘𝑘) = 0))
180	173, 179	sylan2 592	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (¬ 𝑘 ∈ (0...𝑁) → (𝐵‘𝑘) = 0))
181	171, 180	mpd 15	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (𝐵‘𝑘) = 0)
182	181	oveq1d 7427	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) = (0 · (𝑧↑𝑘)))
183	131, 173, 113	syl2an 595	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (𝑧↑𝑘) ∈ ℂ)
184	183	mul02d 11417	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (0 · (𝑧↑𝑘)) = 0)
185	182, 184	eqtrd 2771	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) = 0)
186	167, 169, 185, 119	fsumss 15676	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
187	164, 186	eqtrd 2771	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
188	130, 160, 187	3eqtr3d 2779	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
189	125, 188	subeq0bd 11645	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) − Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘))) = 0)
190	118, 124, 189	3eqtrrd 2776	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 0 = Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘)))
191	190	mpteq2dva 5248	. . . 4 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ 0) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘))))
192	105, 191	eqtrid 2783	. . 3 ⊢ (𝜑 → 0_𝑝 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘_f − 𝐵)‘𝑘) · (𝑧↑𝑘))))
193	1, 4, 26, 102, 192	plyeq0 25961	. 2 ⊢ (𝜑 → (𝐴 ∘_f − 𝐵) = (ℕ₀ × {0}))
194		ofsubeq0 12214	. . 3 ⊢ ((ℕ₀ ∈ V ∧ 𝐴:ℕ₀⟶ℂ ∧ 𝐵:ℕ₀⟶ℂ) → ((𝐴 ∘_f − 𝐵) = (ℕ₀ × {0}) ↔ 𝐴 = 𝐵))
195	9, 11, 14, 194	mp3an2i 1465	. 2 ⊢ (𝜑 → ((𝐴 ∘_f − 𝐵) = (ℕ₀ × {0}) ↔ 𝐴 = 𝐵))
196	193, 195	mpbid 231	1 ⊢ (𝜑 → 𝐴 = 𝐵)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1540 ∈ wcel 2105 ≠ wne 2939 ∀wral 3060 Vcvv 3473 ∖ cdif 3945 ∪ cun 3946 ⊆ wss 3948 {csn 4628 class class class wbr 5148 ↦ cmpt 5231 × cxp 5674 “ cima 5679 ⟶wf 6539 ‘cfv 6543 (class class class)co 7412 ∘_f cof 7672 ↑_m cmap 8824 ℂcc 11112 ℝcr 11113 0cc0 11114 1c1 11115 + caddc 11117 · cmul 11119 < clt 11253 ≤ cle 11254 − cmin 11449 ℕ₀cn0 12477 ℤcz 12563 ℤ_≥cuz 12827 ...cfz 13489 ↑cexp 14032 Σcsu 15637 0_𝑝c0p 25419 Polycply 25934

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-inf2 9640 ax-cnex 11170 ax-resscn 11171 ax-1cn 11172 ax-icn 11173 ax-addcl 11174 ax-addrcl 11175 ax-mulcl 11176 ax-mulrcl 11177 ax-mulcom 11178 ax-addass 11179 ax-mulass 11180 ax-distr 11181 ax-i2m1 11182 ax-1ne0 11183 ax-1rid 11184 ax-rnegex 11185 ax-rrecex 11186 ax-cnre 11187 ax-pre-lttri 11188 ax-pre-lttrn 11189 ax-pre-ltadd 11190 ax-pre-mulgt0 11191 ax-pre-sup 11192

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 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 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7674 df-om 7860 df-1st 7979 df-2nd 7980 df-frecs 8270 df-wrecs 8301 df-recs 8375 df-rdg 8414 df-1o 8470 df-er 8707 df-map 8826 df-pm 8827 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-sup 9441 df-inf 9442 df-oi 9509 df-card 9938 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-div 11877 df-nn 12218 df-2 12280 df-3 12281 df-n0 12478 df-z 12564 df-uz 12828 df-rp 12980 df-fz 13490 df-fzo 13633 df-fl 13762 df-seq 13972 df-exp 14033 df-hash 14296 df-cj 15051 df-re 15052 df-im 15053 df-sqrt 15187 df-abs 15188 df-clim 15437 df-rlim 15438 df-sum 15638 df-0p 25420

This theorem is referenced by: coeeu 25975

W3C validator