Theorem clim2prod 16101

Description: The limit of an infinite product with an initial segment added. (Contributed by Scott Fenton, 18-Dec-2017.)

Hypotheses

Ref	Expression
clim2prod.1	⊢ 𝑍 = (ℤ≥‘𝑀)
clim2prod.2	⊢ (𝜑 → 𝑁 ∈ 𝑍)
clim2prod.3	⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ)
clim2prod.4	⊢ (𝜑 → seq(𝑁 + 1)( · , 𝐹) ⇝ 𝐴)

Assertion

Ref	Expression
clim2prod	⊢ (𝜑 → seq𝑀( · , 𝐹) ⇝ ((seq𝑀( · , 𝐹)‘𝑁) · 𝐴))

Distinct variable groups:   𝐴,𝑘   𝑘,𝐹   𝜑,𝑘   𝑘,𝑀   𝑘,𝑁   𝑘,𝑍

Proof of Theorem clim2prod

Dummy variables 𝑛 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2763	. 2 ⊢ (ℤ≥‘(𝑁 + 1)) = (ℤ≥‘(𝑁 + 1))
2		clim2prod.1	. . . . 5 ⊢ 𝑍 = (ℤ≥‘𝑀)
3		uzssz 13026	. . . . 5 ⊢ (ℤ≥‘𝑀) ⊆ ℤ
4	2, 3	eqsstri 3959	. . . 4 ⊢ 𝑍 ⊆ ℤ
5		clim2prod.2	. . . 4 ⊢ (𝜑 → 𝑁 ∈ 𝑍)
6	4, 5	sselid 3911	. . 3 ⊢ (𝜑 → 𝑁 ∈ ℤ)
7	6	peano2zd 12846	. 2 ⊢ (𝜑 → (𝑁 + 1) ∈ ℤ)
8		clim2prod.4	. 2 ⊢ (𝜑 → seq(𝑁 + 1)( · , 𝐹) ⇝ 𝐴)
9	5, 2	eleqtrdi 2874	. . . . 5 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀))
10		eluzel2 13010	. . . . 5 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ)
11	9, 10	syl 18	. . . 4 ⊢ (𝜑 → 𝑀 ∈ ℤ)
12		clim2prod.3	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ)
13	2, 11, 12	prodf 16100	. . 3 ⊢ (𝜑 → seq𝑀( · , 𝐹):𝑍⟶ℂ)
14	13, 5	ffvelcdmd 7117	. 2 ⊢ (𝜑 → (seq𝑀( · , 𝐹)‘𝑁) ∈ ℂ)
15		seqex 14186	. . 3 ⊢ seq𝑀( · , 𝐹) ∈ V
16	15	a1i 11	. 2 ⊢ (𝜑 → seq𝑀( · , 𝐹) ∈ V)
17		peano2uz 13068	. . . . . . . 8 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘𝑀))
18		uzss 13028	. . . . . . . 8 ⊢ ((𝑁 + 1) ∈ (ℤ≥‘𝑀) → (ℤ≥‘(𝑁 + 1)) ⊆ (ℤ≥‘𝑀))
19	9, 17, 18	3syl 19	. . . . . . 7 ⊢ (𝜑 → (ℤ≥‘(𝑁 + 1)) ⊆ (ℤ≥‘𝑀))
20	19, 2	sseqtrrdi 3954	. . . . . 6 ⊢ (𝜑 → (ℤ≥‘(𝑁 + 1)) ⊆ 𝑍)
21	20	sselda 3913	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑘 ∈ 𝑍)
22	21, 12	syldan 603	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝐹‘𝑘) ∈ ℂ)
23	1, 7, 22	prodf 16100	. . 3 ⊢ (𝜑 → seq(𝑁 + 1)( · , 𝐹):(ℤ≥‘(𝑁 + 1))⟶ℂ)
24	23	ffvelcdmda 7116	. 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (seq(𝑁 + 1)( · , 𝐹)‘𝑘) ∈ ℂ)
25		fveq2 6916	. . . . . 6 ⊢ (𝑥 = (𝑁 + 1) → (seq𝑀( · , 𝐹)‘𝑥) = (seq𝑀( · , 𝐹)‘(𝑁 + 1)))
26		fveq2 6916	. . . . . . 7 ⊢ (𝑥 = (𝑁 + 1) → (seq(𝑁 + 1)( · , 𝐹)‘𝑥) = (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1)))
27	26	oveq2d 7467	. . . . . 6 ⊢ (𝑥 = (𝑁 + 1) → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1))))
28	25, 27	eqeq12d 2779	. . . . 5 ⊢ (𝑥 = (𝑁 + 1) → ((seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) ↔ (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1)))))
29	28	imbi2d 343	. . . 4 ⊢ (𝑥 = (𝑁 + 1) → ((𝜑 → (seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥))) ↔ (𝜑 → (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1))))))
30		fveq2 6916	. . . . . 6 ⊢ (𝑥 = 𝑛 → (seq𝑀( · , 𝐹)‘𝑥) = (seq𝑀( · , 𝐹)‘𝑛))
31		fveq2 6916	. . . . . . 7 ⊢ (𝑥 = 𝑛 → (seq(𝑁 + 1)( · , 𝐹)‘𝑥) = (seq(𝑁 + 1)( · , 𝐹)‘𝑛))
32	31	oveq2d 7467	. . . . . 6 ⊢ (𝑥 = 𝑛 → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)))
33	30, 32	eqeq12d 2779	. . . . 5 ⊢ (𝑥 = 𝑛 → ((seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) ↔ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))))
34	33	imbi2d 343	. . . 4 ⊢ (𝑥 = 𝑛 → ((𝜑 → (seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥))) ↔ (𝜑 → (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)))))
35		fveq2 6916	. . . . . 6 ⊢ (𝑥 = (𝑛 + 1) → (seq𝑀( · , 𝐹)‘𝑥) = (seq𝑀( · , 𝐹)‘(𝑛 + 1)))
36		fveq2 6916	. . . . . . 7 ⊢ (𝑥 = (𝑛 + 1) → (seq(𝑁 + 1)( · , 𝐹)‘𝑥) = (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1)))
37	36	oveq2d 7467	. . . . . 6 ⊢ (𝑥 = (𝑛 + 1) → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))
38	35, 37	eqeq12d 2779	. . . . 5 ⊢ (𝑥 = (𝑛 + 1) → ((seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) ↔ (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1)))))
39	38	imbi2d 343	. . . 4 ⊢ (𝑥 = (𝑛 + 1) → ((𝜑 → (seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥))) ↔ (𝜑 → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))))
40		fveq2 6916	. . . . . 6 ⊢ (𝑥 = 𝑘 → (seq𝑀( · , 𝐹)‘𝑥) = (seq𝑀( · , 𝐹)‘𝑘))
41		fveq2 6916	. . . . . . 7 ⊢ (𝑥 = 𝑘 → (seq(𝑁 + 1)( · , 𝐹)‘𝑥) = (seq(𝑁 + 1)( · , 𝐹)‘𝑘))
42	41	oveq2d 7467	. . . . . 6 ⊢ (𝑥 = 𝑘 → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑘)))
43	40, 42	eqeq12d 2779	. . . . 5 ⊢ (𝑥 = 𝑘 → ((seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥)) ↔ (seq𝑀( · , 𝐹)‘𝑘) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑘))))
44	43	imbi2d 343	. . . 4 ⊢ (𝑥 = 𝑘 → ((𝜑 → (seq𝑀( · , 𝐹)‘𝑥) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑥))) ↔ (𝜑 → (seq𝑀( · , 𝐹)‘𝑘) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑘)))))
45	9	adantr 486	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑁 + 1) ∈ ℤ) → 𝑁 ∈ (ℤ≥‘𝑀))
46		seqp1 14199	. . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (𝐹‘(𝑁 + 1))))
47	45, 46	syl 18	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 + 1) ∈ ℤ) → (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (𝐹‘(𝑁 + 1))))
48		seq1 14197	. . . . . . . 8 ⊢ ((𝑁 + 1) ∈ ℤ → (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1)) = (𝐹‘(𝑁 + 1)))
49	48	adantl 487	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑁 + 1) ∈ ℤ) → (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1)) = (𝐹‘(𝑁 + 1)))
50	49	oveq2d 7467	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 + 1) ∈ ℤ) → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · (𝐹‘(𝑁 + 1))))
51	47, 50	eqtr4d 2801	. . . . 5 ⊢ ((𝜑 ∧ (𝑁 + 1) ∈ ℤ) → (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1))))
52	51	expcom 419	. . . 4 ⊢ ((𝑁 + 1) ∈ ℤ → (𝜑 → (seq𝑀( · , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑁 + 1)))))
53	19	sselda 3913	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑛 ∈ (ℤ≥‘𝑀))
54		seqp1 14199	. . . . . . . . . 10 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))))
55	53, 54	syl 18	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))))
56	55	adantr 486	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))))
57		oveq1 7458	. . . . . . . . 9 ⊢ ((seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) → ((seq𝑀( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))) = (((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) · (𝐹‘(𝑛 + 1))))
58	57	adantl 487	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → ((seq𝑀( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))) = (((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) · (𝐹‘(𝑛 + 1))))
59	14	adantr 486	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (seq𝑀( · , 𝐹)‘𝑁) ∈ ℂ)
60	23	ffvelcdmda 7116	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (seq(𝑁 + 1)( · , 𝐹)‘𝑛) ∈ ℂ)
61		peano2uz 13068	. . . . . . . . . . . . . 14 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → (𝑛 + 1) ∈ (ℤ≥‘𝑀))
62	61, 2	eleqtrrdi 2875	. . . . . . . . . . . . 13 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → (𝑛 + 1) ∈ 𝑍)
63	53, 62	syl 18	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑛 + 1) ∈ 𝑍)
64	12	ralrimiva 3158	. . . . . . . . . . . . 13 ⊢ (𝜑 → ∀𝑘 ∈ 𝑍 (𝐹‘𝑘) ∈ ℂ)
65		fveq2 6916	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = (𝑛 + 1) → (𝐹‘𝑘) = (𝐹‘(𝑛 + 1)))
66	65	eleq1d 2849	. . . . . . . . . . . . . 14 ⊢ (𝑘 = (𝑛 + 1) → ((𝐹‘𝑘) ∈ ℂ ↔ (𝐹‘(𝑛 + 1)) ∈ ℂ))
67	66	rspcv 3576	. . . . . . . . . . . . 13 ⊢ ((𝑛 + 1) ∈ 𝑍 → (∀𝑘 ∈ 𝑍 (𝐹‘𝑘) ∈ ℂ → (𝐹‘(𝑛 + 1)) ∈ ℂ))
68	64, 67	mpan9 516	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → (𝐹‘(𝑛 + 1)) ∈ ℂ)
69	63, 68	syldan 603	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (𝐹‘(𝑛 + 1)) ∈ ℂ)
70	59, 60, 69	mulassd 11371	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) · (𝐹‘(𝑛 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1)))))
71	70	adantr 486	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → (((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) · (𝐹‘(𝑛 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1)))))
72		seqp1 14199	. . . . . . . . . . . 12 ⊢ (𝑛 ∈ (ℤ≥‘(𝑁 + 1)) → (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1)) = ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))))
73	72	adantl 487	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1)) = ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1))))
74	73	oveq2d 7467	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1)))))
75	74	adantr 486	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · ((seq(𝑁 + 1)( · , 𝐹)‘𝑛) · (𝐹‘(𝑛 + 1)))))
76	71, 75	eqtr4d 2801	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → (((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) · (𝐹‘(𝑛 + 1))) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))
77	56, 58, 76	3eqtrd 2802	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ (ℤ≥‘(𝑁 + 1))) ∧ (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))
78	77	exp31 425	. . . . . 6 ⊢ (𝜑 → (𝑛 ∈ (ℤ≥‘(𝑁 + 1)) → ((seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))))
79	78	com12 33	. . . . 5 ⊢ (𝑛 ∈ (ℤ≥‘(𝑁 + 1)) → (𝜑 → ((seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛)) → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))))
80	79	a2d 30	. . . 4 ⊢ (𝑛 ∈ (ℤ≥‘(𝑁 + 1)) → ((𝜑 → (seq𝑀( · , 𝐹)‘𝑛) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑛))) → (𝜑 → (seq𝑀( · , 𝐹)‘(𝑛 + 1)) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘(𝑛 + 1))))))
81	29, 34, 39, 44, 52, 80	uzind4 13073	. . 3 ⊢ (𝑘 ∈ (ℤ≥‘(𝑁 + 1)) → (𝜑 → (seq𝑀( · , 𝐹)‘𝑘) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑘))))
82	81	impcom 413	. 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (seq𝑀( · , 𝐹)‘𝑘) = ((seq𝑀( · , 𝐹)‘𝑁) · (seq(𝑁 + 1)( · , 𝐹)‘𝑘)))
83	1, 7, 8, 14, 16, 24, 82	climmulc2 15848	1 ⊢ (𝜑 → seq𝑀( · , 𝐹) ⇝ ((seq𝑀( · , 𝐹)‘𝑁) · 𝐴))

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1570   ∈ wcel 2147  ∀wral 3080  Vcvv 3454   ⊆ wss 3900   class class class wbr 5108  ‘cfv 6566  (class class class)co 7451  ℂcc 11237  1c1 11240   + caddc 11242   · cmul 11244  ℤcz 12733  ℤ_≥cuz 13005  seqcseq 14184   ⇝ cli 15695

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-rep 5238  ax-sep 5255  ax-nul 5266  ax-pow 5334  ax-pr 5398  ax-un 7783  ax-inf2 9679  ax-cnex 11295  ax-resscn 11296  ax-1cn 11297  ax-icn 11298  ax-addcl 11299  ax-addrcl 11300  ax-mulcl 11301  ax-mulrcl 11302  ax-mulcom 11303  ax-addass 11304  ax-mulass 11305  ax-distr 11306  ax-i2m1 11307  ax-1ne0 11308  ax-1rid 11309  ax-rnegex 11310  ax-rrecex 11311  ax-cnre 11312  ax-pre-lttri 11313  ax-pre-lttrn 11314  ax-pre-ltadd 11315  ax-pre-mulgt0 11316  ax-pre-sup 11317

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-nel 3066  df-ral 3081  df-rex 3091  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3456  df-sbc 3743  df-csb 3852  df-ss 3901  df-pss 4017  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-pw 4562  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-iun 4958  df-br 5109  df-opab 5174  df-mpt 5193  df-tr 5219  df-id 5553  df-eprel 5558  df-po 5566  df-so 5567  df-fr 5611  df-we 5613  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-res 5670  df-ima 5671  df-pred 6330  df-ord 6391  df-on 6392  df-lim 6393  df-suc 6394  df-iota 6520  df-fun 6568  df-fn 6569  df-f 6570  df-f1 6571  df-fo 6572  df-f1o 6573  df-fv 6574  df-riota 7408  df-ov 7454  df-oprab 7455  df-mpo 7456  df-om 7912  df-1st 8035  df-2nd 8036  df-frecs 8337  df-wrecs 8368  df-recs 8417  df-rdg 8456  df-er 8755  df-en 9012  df-dom 9013  df-sdom 9014  df-sup 9471  df-pnf 11384  df-mnf 11385  df-xr 11386  df-ltxr 11387  df-le 11388  df-sub 11582  df-neg 11583  df-div 12014  df-nn 12376  df-2 12445  df-3 12446  df-n0 12647  df-z 12734  df-uz 13006  df-rp 13161  df-fz 13680  df-seq 14185  df-exp 14245  df-cj 15309  df-re 15310  df-im 15311  df-sqrt 15445  df-abs 15446  df-clim 15699

This theorem is used by:  ntrivcvg  16110