Theorem coeeulem 23980

Description: Lemma for coeeu 23981. (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		ssid 3624	. . . 4 ⊢ ℂ ⊆ ℂ
2	1	a1i 11	. . 3 ⊢ (𝜑 → ℂ ⊆ ℂ)
3		coeeu.4	. . . 4 ⊢ (𝜑 → 𝑀 ∈ ℕ0)
4		coeeu.5	. . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ0)
5	3, 4	nn0addcld 11355	. . 3 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ ℕ0)
6		subcl 10280	. . . . . . 7 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 − 𝑦) ∈ ℂ)
7	6	adantl 482	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ)) → (𝑥 − 𝑦) ∈ ℂ)
8		coeeu.2	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ (ℂ ↑𝑚 ℕ0))
9		cnex 10017	. . . . . . . 8 ⊢ ℂ ∈ V
10		nn0ex 11298	. . . . . . . 8 ⊢ ℕ0 ∈ V
11	9, 10	elmap 7886	. . . . . . 7 ⊢ (𝐴 ∈ (ℂ ↑𝑚 ℕ0) ↔ 𝐴:ℕ0⟶ℂ)
12	8, 11	sylib 208	. . . . . 6 ⊢ (𝜑 → 𝐴:ℕ0⟶ℂ)
13		coeeu.3	. . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ (ℂ ↑𝑚 ℕ0))
14	9, 10	elmap 7886	. . . . . . 7 ⊢ (𝐵 ∈ (ℂ ↑𝑚 ℕ0) ↔ 𝐵:ℕ0⟶ℂ)
15	13, 14	sylib 208	. . . . . 6 ⊢ (𝜑 → 𝐵:ℕ0⟶ℂ)
16	10	a1i 11	. . . . . 6 ⊢ (𝜑 → ℕ0 ∈ V)
17		inidm 3822	. . . . . 6 ⊢ (ℕ0 ∩ ℕ0) = ℕ0
18	7, 12, 15, 16, 16, 17	off 6912	. . . . 5 ⊢ (𝜑 → (𝐴 ∘𝑓 − 𝐵):ℕ0⟶ℂ)
19	9, 10	elmap 7886	. . . . 5 ⊢ ((𝐴 ∘𝑓 − 𝐵) ∈ (ℂ ↑𝑚 ℕ0) ↔ (𝐴 ∘𝑓 − 𝐵):ℕ0⟶ℂ)
20	18, 19	sylibr 224	. . . 4 ⊢ (𝜑 → (𝐴 ∘𝑓 − 𝐵) ∈ (ℂ ↑𝑚 ℕ0))
21		0cn 10032	. . . . . . 7 ⊢ 0 ∈ ℂ
22		snssi 4339	. . . . . . 7 ⊢ (0 ∈ ℂ → {0} ⊆ ℂ)
23	21, 22	ax-mp 5	. . . . . 6 ⊢ {0} ⊆ ℂ
24		ssequn2 3786	. . . . . 6 ⊢ ({0} ⊆ ℂ ↔ (ℂ ∪ {0}) = ℂ)
25	23, 24	mpbi 220	. . . . 5 ⊢ (ℂ ∪ {0}) = ℂ
26	25	oveq1i 6660	. . . 4 ⊢ ((ℂ ∪ {0}) ↑𝑚 ℕ0) = (ℂ ↑𝑚 ℕ0)
27	20, 26	syl6eleqr 2712	. . 3 ⊢ (𝜑 → (𝐴 ∘𝑓 − 𝐵) ∈ ((ℂ ∪ {0}) ↑𝑚 ℕ0))
28	5	nn0red 11352	. . . . . . . 8 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ ℝ)
29		nn0re 11301	. . . . . . . 8 ⊢ (𝑘 ∈ ℕ0 → 𝑘 ∈ ℝ)
30		ltnle 10117	. . . . . . . 8 ⊢ (((𝑀 + 𝑁) ∈ ℝ ∧ 𝑘 ∈ ℝ) → ((𝑀 + 𝑁) < 𝑘 ↔ ¬ 𝑘 ≤ (𝑀 + 𝑁)))
31	28, 29, 30	syl2an 494	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑀 + 𝑁) < 𝑘 ↔ ¬ 𝑘 ≤ (𝑀 + 𝑁)))
32		ffn 6045	. . . . . . . . . . . 12 ⊢ (𝐴:ℕ0⟶ℂ → 𝐴 Fn ℕ0)
33	12, 32	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐴 Fn ℕ0)
34		ffn 6045	. . . . . . . . . . . 12 ⊢ (𝐵:ℕ0⟶ℂ → 𝐵 Fn ℕ0)
35	15, 34	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐵 Fn ℕ0)
36		eqidd 2623	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐴‘𝑘) = (𝐴‘𝑘))
37		eqidd 2623	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐵‘𝑘) = (𝐵‘𝑘))
38	33, 35, 16, 16, 17, 36, 37	ofval 6906	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
39	38	adantrr 753	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
40	3	nn0red 11352	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑀 ∈ ℝ)
41	40	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 ∈ ℝ)
42	28	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 + 𝑁) ∈ ℝ)
43	29	adantl 482	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ ℝ)
44	43	adantrr 753	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑘 ∈ ℝ)
45	3	nn0cnd 11353	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑀 ∈ ℂ)
46	4	nn0cnd 11353	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ∈ ℂ)
47	45, 46	addcomd 10238	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑀 + 𝑁) = (𝑁 + 𝑀))
48		nn0uz 11722	. . . . . . . . . . . . . . . . . . . 20 ⊢ ℕ0 = (ℤ≥‘0)
49	4, 48	syl6eleq 2711	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘0))
50	3	nn0zd 11480	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝑀 ∈ ℤ)
51		eluzadd 11716	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑁 ∈ (ℤ≥‘0) ∧ 𝑀 ∈ ℤ) → (𝑁 + 𝑀) ∈ (ℤ≥‘(0 + 𝑀)))
52	49, 50, 51	syl2anc 693	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝑁 + 𝑀) ∈ (ℤ≥‘(0 + 𝑀)))
53	47, 52	eqeltrd 2701	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ≥‘(0 + 𝑀)))
54	45	addid2d 10237	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (0 + 𝑀) = 𝑀)
55	54	fveq2d 6195	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (ℤ≥‘(0 + 𝑀)) = (ℤ≥‘𝑀))
56	53, 55	eleqtrd 2703	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ≥‘𝑀))
57		eluzle 11700	. . . . . . . . . . . . . . . 16 ⊢ ((𝑀 + 𝑁) ∈ (ℤ≥‘𝑀) → 𝑀 ≤ (𝑀 + 𝑁))
58	56, 57	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑀 ≤ (𝑀 + 𝑁))
59	58	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 ≤ (𝑀 + 𝑁))
60		simprr 796	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 + 𝑁) < 𝑘)
61	41, 42, 44, 59, 60	lelttrd 10195	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑀 < 𝑘)
62	41, 44	ltnled 10184	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑀 < 𝑘 ↔ ¬ 𝑘 ≤ 𝑀))
63	61, 62	mpbid 222	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ¬ 𝑘 ≤ 𝑀)
64		coeeu.6	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐴 “ (ℤ≥‘(𝑀 + 1))) = {0})
65		plyco0 23948	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝐴:ℕ0⟶ℂ) → ((𝐴 “ (ℤ≥‘(𝑀 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ0 ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀)))
66	3, 12, 65	syl2anc 693	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐴 “ (ℤ≥‘(𝑀 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ0 ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀)))
67	64, 66	mpbid 222	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
68	67	r19.21bi 2932	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
69	68	adantrr 753	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ≤ 𝑀))
70	69	necon1bd 2812	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (¬ 𝑘 ≤ 𝑀 → (𝐴‘𝑘) = 0))
71	63, 70	mpd 15	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝐴‘𝑘) = 0)
72	4	nn0red 11352	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑁 ∈ ℝ)
73	72	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 ∈ ℝ)
74	3, 48	syl6eleq 2711	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑀 ∈ (ℤ≥‘0))
75	4	nn0zd 11480	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝑁 ∈ ℤ)
76		eluzadd 11716	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑀 ∈ (ℤ≥‘0) ∧ 𝑁 ∈ ℤ) → (𝑀 + 𝑁) ∈ (ℤ≥‘(0 + 𝑁)))
77	74, 75, 76	syl2anc 693	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ≥‘(0 + 𝑁)))
78	46	addid2d 10237	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (0 + 𝑁) = 𝑁)
79	78	fveq2d 6195	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (ℤ≥‘(0 + 𝑁)) = (ℤ≥‘𝑁))
80	77, 79	eleqtrd 2703	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑀 + 𝑁) ∈ (ℤ≥‘𝑁))
81		eluzle 11700	. . . . . . . . . . . . . . . 16 ⊢ ((𝑀 + 𝑁) ∈ (ℤ≥‘𝑁) → 𝑁 ≤ (𝑀 + 𝑁))
82	80, 81	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑁 ≤ (𝑀 + 𝑁))
83	82	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 ≤ (𝑀 + 𝑁))
84	73, 42, 44, 83, 60	lelttrd 10195	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → 𝑁 < 𝑘)
85	73, 44	ltnled 10184	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝑁 < 𝑘 ↔ ¬ 𝑘 ≤ 𝑁))
86	84, 85	mpbid 222	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ¬ 𝑘 ≤ 𝑁)
87		coeeu.7	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐵 “ (ℤ≥‘(𝑁 + 1))) = {0})
88		plyco0 23948	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐵:ℕ0⟶ℂ) → ((𝐵 “ (ℤ≥‘(𝑁 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ0 ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁)))
89	4, 15, 88	syl2anc 693	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐵 “ (ℤ≥‘(𝑁 + 1))) = {0} ↔ ∀𝑘 ∈ ℕ0 ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁)))
90	87, 89	mpbid 222	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
91	90	r19.21bi 2932	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
92	91	adantrr 753	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ≤ 𝑁))
93	92	necon1bd 2812	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (¬ 𝑘 ≤ 𝑁 → (𝐵‘𝑘) = 0))
94	86, 93	mpd 15	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → (𝐵‘𝑘) = 0)
95	71, 94	oveq12d 6668	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) − (𝐵‘𝑘)) = (0 − 0))
96		0m0e0 11130	. . . . . . . . . 10 ⊢ (0 − 0) = 0
97	95, 96	syl6eq 2672	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴‘𝑘) − (𝐵‘𝑘)) = 0)
98	39, 97	eqtrd 2656	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑘 ∈ ℕ0 ∧ (𝑀 + 𝑁) < 𝑘)) → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = 0)
99	98	expr 643	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑀 + 𝑁) < 𝑘 → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = 0))
100	31, 99	sylbird 250	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (¬ 𝑘 ≤ (𝑀 + 𝑁) → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = 0))
101	100	necon1ad 2811	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (((𝐴 ∘𝑓 − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁)))
102	101	ralrimiva 2966	. . . 4 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 (((𝐴 ∘𝑓 − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁)))
103		plyco0 23948	. . . . 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))))
104	5, 18, 103	syl2anc 693	. . . 4 ⊢ (𝜑 → (((𝐴 ∘𝑓 − 𝐵) “ (ℤ≥‘((𝑀 + 𝑁) + 1))) = {0} ↔ ∀𝑘 ∈ ℕ0 (((𝐴 ∘𝑓 − 𝐵)‘𝑘) ≠ 0 → 𝑘 ≤ (𝑀 + 𝑁))))
105	102, 104	mpbird 247	. . 3 ⊢ (𝜑 → ((𝐴 ∘𝑓 − 𝐵) “ (ℤ≥‘((𝑀 + 𝑁) + 1))) = {0})
106		df-0p 23437	. . . . 5 ⊢ 0𝑝 = (ℂ × {0})
107		fconstmpt 5163	. . . . 5 ⊢ (ℂ × {0}) = (𝑧 ∈ ℂ ↦ 0)
108	106, 107	eqtri 2644	. . . 4 ⊢ 0𝑝 = (𝑧 ∈ ℂ ↦ 0)
109		elfznn0 12433	. . . . . . . 8 ⊢ (𝑘 ∈ (0...(𝑀 + 𝑁)) → 𝑘 ∈ ℕ0)
110	38	adantlr 751	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → ((𝐴 ∘𝑓 − 𝐵)‘𝑘) = ((𝐴‘𝑘) − (𝐵‘𝑘)))
111	110	oveq1d 6665	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) − (𝐵‘𝑘)) · (𝑧↑𝑘)))
112	12	adantr 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝐴:ℕ0⟶ℂ)
113	112	ffvelrnda 6359	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (𝐴‘𝑘) ∈ ℂ)
114	15	adantr 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝐵:ℕ0⟶ℂ)
115	114	ffvelrnda 6359	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (𝐵‘𝑘) ∈ ℂ)
116		expcl 12878	. . . . . . . . . . 11 ⊢ ((𝑧 ∈ ℂ ∧ 𝑘 ∈ ℕ0) → (𝑧↑𝑘) ∈ ℂ)
117	116	adantll 750	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (𝑧↑𝑘) ∈ ℂ)
118	113, 115, 117	subdird 10487	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (((𝐴‘𝑘) − (𝐵‘𝑘)) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
119	111, 118	eqtrd 2656	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
120	109, 119	sylan2 491	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → (((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘)) = (((𝐴‘𝑘) · (𝑧↑𝑘)) − ((𝐵‘𝑘) · (𝑧↑𝑘))))
121	120	sumeq2dv 14433	. . . . . 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))))
122		fzfid 12772	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...(𝑀 + 𝑁)) ∈ Fin)
123	113, 117	mulcld 10060	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
124	109, 123	sylan2 491	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
125	115, 117	mulcld 10060	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
126	109, 125	sylan2 491	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...(𝑀 + 𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
127	122, 124, 126	fsumsub 14520	. . . . . 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))))
128	122, 124	fsumcl 14464	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
129		coeeu.8	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))))
130		coeeu.9	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))))
131	129, 130	eqtr3d 2658	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))))
132	131	fveq1d 6193	. . . . . . . . 9 ⊢ (𝜑 → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧))
133	132	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧))
134		simpr 477	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 𝑧 ∈ ℂ)
135		sumex 14418	. . . . . . . . . 10 ⊢ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ V
136		eqid 2622	. . . . . . . . . . 11 ⊢ (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))
137	136	fvmpt2 6291	. . . . . . . . . 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)))
138	134, 135, 137	sylancl 694	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))
139		fzss2 12381	. . . . . . . . . . . 12 ⊢ ((𝑀 + 𝑁) ∈ (ℤ≥‘𝑀) → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
140	56, 139	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
141	140	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...𝑀) ⊆ (0...(𝑀 + 𝑁)))
142	141	sselda 3603	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑀)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
143	142, 124	syldan 487	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑀)) → ((𝐴‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
144		eldifn 3733	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → ¬ 𝑘 ∈ (0...𝑀))
145	144	adantl 482	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ¬ 𝑘 ∈ (0...𝑀))
146		eldifi 3732	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
147	146, 109	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀)) → 𝑘 ∈ ℕ0)
148		simpr 477	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ ℕ0)
149	148, 48	syl6eleq 2711	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈ (ℤ≥‘0))
150	50	adantr 481	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑀 ∈ ℤ)
151		elfz5 12334	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑘 ∈ (ℤ≥‘0) ∧ 𝑀 ∈ ℤ) → (𝑘 ∈ (0...𝑀) ↔ 𝑘 ≤ 𝑀))
152	149, 150, 151	syl2anc 693	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑘 ∈ (0...𝑀) ↔ 𝑘 ≤ 𝑀))
153	68, 152	sylibrd 249	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑀)))
154	153	adantlr 751	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → ((𝐴‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑀)))
155	154	necon1bd 2812	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (¬ 𝑘 ∈ (0...𝑀) → (𝐴‘𝑘) = 0))
156	147, 155	sylan2 491	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (¬ 𝑘 ∈ (0...𝑀) → (𝐴‘𝑘) = 0))
157	145, 156	mpd 15	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (𝐴‘𝑘) = 0)
158	157	oveq1d 6665	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) = (0 · (𝑧↑𝑘)))
159	134, 147, 116	syl2an 494	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (𝑧↑𝑘) ∈ ℂ)
160	159	mul02d 10234	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → (0 · (𝑧↑𝑘)) = 0)
161	158, 160	eqtrd 2656	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑀))) → ((𝐴‘𝑘) · (𝑧↑𝑘)) = 0)
162	141, 143, 161, 122	fsumss 14456	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)))
163	138, 162	eqtrd 2656	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑀)((𝐴‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)))
164		sumex 14418	. . . . . . . . . 10 ⊢ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ V
165		eqid 2622	. . . . . . . . . . 11 ⊢ (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘))) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))
166	165	fvmpt2 6291	. . . . . . . . . 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)))
167	134, 164, 166	sylancl 694	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))
168		fzss2 12381	. . . . . . . . . . . 12 ⊢ ((𝑀 + 𝑁) ∈ (ℤ≥‘𝑁) → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
169	80, 168	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
170	169	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (0...𝑁) ⊆ (0...(𝑀 + 𝑁)))
171	170	sselda 3603	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑁)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
172	171, 126	syldan 487	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ (0...𝑁)) → ((𝐵‘𝑘) · (𝑧↑𝑘)) ∈ ℂ)
173		eldifn 3733	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → ¬ 𝑘 ∈ (0...𝑁))
174	173	adantl 482	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ¬ 𝑘 ∈ (0...𝑁))
175		eldifi 3732	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → 𝑘 ∈ (0...(𝑀 + 𝑁)))
176	175, 109	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁)) → 𝑘 ∈ ℕ0)
177	75	adantr 481	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑁 ∈ ℤ)
178		elfz5 12334	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑘 ∈ (ℤ≥‘0) ∧ 𝑁 ∈ ℤ) → (𝑘 ∈ (0...𝑁) ↔ 𝑘 ≤ 𝑁))
179	149, 177, 178	syl2anc 693	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝑘 ∈ (0...𝑁) ↔ 𝑘 ≤ 𝑁))
180	91, 179	sylibrd 249	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑁)))
181	180	adantlr 751	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → ((𝐵‘𝑘) ≠ 0 → 𝑘 ∈ (0...𝑁)))
182	181	necon1bd 2812	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ℕ0) → (¬ 𝑘 ∈ (0...𝑁) → (𝐵‘𝑘) = 0))
183	176, 182	sylan2 491	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (¬ 𝑘 ∈ (0...𝑁) → (𝐵‘𝑘) = 0))
184	174, 183	mpd 15	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (𝐵‘𝑘) = 0)
185	184	oveq1d 6665	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) = (0 · (𝑧↑𝑘)))
186	134, 176, 116	syl2an 494	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (𝑧↑𝑘) ∈ ℂ)
187	186	mul02d 10234	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → (0 · (𝑧↑𝑘)) = 0)
188	185, 187	eqtrd 2656	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑧 ∈ ℂ) ∧ 𝑘 ∈ ((0...(𝑀 + 𝑁)) ∖ (0...𝑁))) → ((𝐵‘𝑘) · (𝑧↑𝑘)) = 0)
189	170, 172, 188, 122	fsumss 14456	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
190	167, 189	eqtrd 2656	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → ((𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)((𝐵‘𝑘) · (𝑧↑𝑘)))‘𝑧) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
191	133, 163, 190	3eqtr3d 2664	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘)))
192	128, 191	subeq0bd 10456	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐴‘𝑘) · (𝑧↑𝑘)) − Σ𝑘 ∈ (0...(𝑀 + 𝑁))((𝐵‘𝑘) · (𝑧↑𝑘))) = 0)
193	121, 127, 192	3eqtrrd 2661	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → 0 = Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘)))
194	193	mpteq2dva 4744	. . . 4 ⊢ (𝜑 → (𝑧 ∈ ℂ ↦ 0) = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘))))
195	108, 194	syl5eq 2668	. . 3 ⊢ (𝜑 → 0𝑝 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...(𝑀 + 𝑁))(((𝐴 ∘𝑓 − 𝐵)‘𝑘) · (𝑧↑𝑘))))
196	2, 5, 27, 105, 195	plyeq0 23967	. 2 ⊢ (𝜑 → (𝐴 ∘𝑓 − 𝐵) = (ℕ0 × {0}))
197		ofsubeq0 11017	. . 3 ⊢ ((ℕ0 ∈ V ∧ 𝐴:ℕ0⟶ℂ ∧ 𝐵:ℕ0⟶ℂ) → ((𝐴 ∘𝑓 − 𝐵) = (ℕ0 × {0}) ↔ 𝐴 = 𝐵))
198	16, 12, 15, 197	syl3anc 1326	. 2 ⊢ (𝜑 → ((𝐴 ∘𝑓 − 𝐵) = (ℕ0 × {0}) ↔ 𝐴 = 𝐵))
199	196, 198	mpbid 222	1 ⊢ (𝜑 → 𝐴 = 𝐵)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1483   ∈ wcel 1990   ≠ wne 2794  ∀wral 2912  Vcvv 3200   ∖ cdif 3571   ∪ cun 3572   ⊆ wss 3574  {csn 4177   class class class wbr 4653   ↦ cmpt 4729   × cxp 5112   “ cima 5117   Fn wfn 5883  ⟶wf 5884  ‘cfv 5888  (class class class)co 6650   ∘_𝑓 cof 6895   ↑_𝑚 cmap 7857  ℂcc 9934  ℝcr 9935  0cc0 9936  1c1 9937   + caddc 9939   · cmul 9941   < clt 10074   ≤ cle 10075   − cmin 10266  ℕ₀cn0 11292  ℤcz 11377  ℤ_≥cuz 11687  ...cfz 12326  ↑cexp 12860  Σcsu 14416  0_𝑝c0p 23436  Polycply 23940

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

This theorem is referenced by:  coeeu  23981