Theorem fprodefsum 16290

Description: Move the exponential function from inside a finite product to outside a finite sum. (Contributed by Scott Fenton, 26-Dec-2017.)

Hypotheses

Ref	Expression
fprodefsum.1	⊢ 𝑍 = (ℤ≥‘𝑀)
fprodefsum.2	⊢ (𝜑 → 𝑁 ∈ 𝑍)
fprodefsum.3	⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ)

Assertion

Ref	Expression
fprodefsum	⊢ (𝜑 → ∏𝑘 ∈ (𝑀...𝑁)(exp‘𝐴) = (exp‘Σ𝑘 ∈ (𝑀...𝑁)𝐴))

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

Allowed substitution hint:   𝐴(𝑘)

Proof of Theorem fprodefsum

Dummy variables 𝑎 𝑚 𝑛 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		fprodefsum.2	. . . 4 ⊢ (𝜑 → 𝑁 ∈ 𝑍)
2		fprodefsum.1	. . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀)
3	1, 2	eleqtrdi 2874	. . 3 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀))
4		oveq2 7451	. . . . . . 7 ⊢ (𝑎 = 𝑀 → (𝑀...𝑎) = (𝑀...𝑀))
5	4	prodeq1d 16117	. . . . . 6 ⊢ (𝑎 = 𝑀 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
6	4	sumeq1d 15896	. . . . . . 7 ⊢ (𝑎 = 𝑀 → Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
7	6	fveq2d 6912	. . . . . 6 ⊢ (𝑎 = 𝑀 → (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
8	5, 7	eqeq12d 2779	. . . . 5 ⊢ (𝑎 = 𝑀 → (∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) ↔ ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
9	8	imbi2d 343	. . . 4 ⊢ (𝑎 = 𝑀 → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) ↔ (𝜑 → ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
10		oveq2 7451	. . . . . . 7 ⊢ (𝑎 = 𝑛 → (𝑀...𝑎) = (𝑀...𝑛))
11	10	prodeq1d 16117	. . . . . 6 ⊢ (𝑎 = 𝑛 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
12	10	sumeq1d 15896	. . . . . . 7 ⊢ (𝑎 = 𝑛 → Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
13	12	fveq2d 6912	. . . . . 6 ⊢ (𝑎 = 𝑛 → (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
14	11, 13	eqeq12d 2779	. . . . 5 ⊢ (𝑎 = 𝑛 → (∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) ↔ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
15	14	imbi2d 343	. . . 4 ⊢ (𝑎 = 𝑛 → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) ↔ (𝜑 → ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
16		oveq2 7451	. . . . . . 7 ⊢ (𝑎 = (𝑛 + 1) → (𝑀...𝑎) = (𝑀...(𝑛 + 1)))
17	16	prodeq1d 16117	. . . . . 6 ⊢ (𝑎 = (𝑛 + 1) → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
18	16	sumeq1d 15896	. . . . . . 7 ⊢ (𝑎 = (𝑛 + 1) → Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
19	18	fveq2d 6912	. . . . . 6 ⊢ (𝑎 = (𝑛 + 1) → (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
20	17, 19	eqeq12d 2779	. . . . 5 ⊢ (𝑎 = (𝑛 + 1) → (∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) ↔ ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
21	20	imbi2d 343	. . . 4 ⊢ (𝑎 = (𝑛 + 1) → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) ↔ (𝜑 → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
22		oveq2 7451	. . . . . . 7 ⊢ (𝑎 = 𝑁 → (𝑀...𝑎) = (𝑀...𝑁))
23	22	prodeq1d 16117	. . . . . 6 ⊢ (𝑎 = 𝑁 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
24	22	sumeq1d 15896	. . . . . . 7 ⊢ (𝑎 = 𝑁 → Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
25	24	fveq2d 6912	. . . . . 6 ⊢ (𝑎 = 𝑁 → (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
26	23, 25	eqeq12d 2779	. . . . 5 ⊢ (𝑎 = 𝑁 → (∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) ↔ ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
27	26	imbi2d 343	. . . 4 ⊢ (𝑎 = 𝑁 → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑎)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) ↔ (𝜑 → ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
28		fzsn 13727	. . . . . . . . 9 ⊢ (𝑀 ∈ ℤ → (𝑀...𝑀) = {𝑀})
29	28	adantl 487	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → (𝑀...𝑀) = {𝑀})
30	29	prodeq1d 16117	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
31		simpr 490	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ ℤ)
32		uzid 13007	. . . . . . . . . 10 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ (ℤ≥‘𝑀))
33	32, 2	eleqtrrdi 2875	. . . . . . . . 9 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ 𝑍)
34		fprodefsum.3	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ)
35		efcl 16277	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ ℂ → (exp‘𝐴) ∈ ℂ)
36	34, 35	syl 18	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (exp‘𝐴) ∈ ℂ)
37	36	fmpttd 7139	. . . . . . . . . 10 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (exp‘𝐴)):𝑍⟶ℂ)
38	37	ffvelcdmda 7108	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑀 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀) ∈ ℂ)
39	33, 38	sylan2 605	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀) ∈ ℂ)
40		fveq2 6908	. . . . . . . . 9 ⊢ (𝑚 = 𝑀 → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀))
41	40	prodsn 16158	. . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀) ∈ ℂ) → ∏𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀))
42	31, 39, 41	syl2anc 596	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ∏𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀))
43	33	adantl 487	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ 𝑍)
44		fvex 6921	. . . . . . . 8 ⊢ (exp‘⦋𝑀 / 𝑘⦌𝐴) ∈ V
45		nfcv 2926	. . . . . . . . 9 ⊢ Ⅎ𝑘𝑀
46		nfcv 2926	. . . . . . . . . 10 ⊢ Ⅎ𝑘exp
47		nfcsb1v 3875	. . . . . . . . . 10 ⊢ Ⅎ𝑘⦋𝑀 / 𝑘⦌𝐴
48	46, 47	nffv 6918	. . . . . . . . 9 ⊢ Ⅎ𝑘(exp‘⦋𝑀 / 𝑘⦌𝐴)
49		csbeq1a 3865	. . . . . . . . . 10 ⊢ (𝑘 = 𝑀 → 𝐴 = ⦋𝑀 / 𝑘⦌𝐴)
50	49	fveq2d 6912	. . . . . . . . 9 ⊢ (𝑘 = 𝑀 → (exp‘𝐴) = (exp‘⦋𝑀 / 𝑘⦌𝐴))
51		eqid 2763	. . . . . . . . 9 ⊢ (𝑘 ∈ 𝑍 ↦ (exp‘𝐴)) = (𝑘 ∈ 𝑍 ↦ (exp‘𝐴))
52	45, 48, 50, 51	fvmptf 7038	. . . . . . . 8 ⊢ ((𝑀 ∈ 𝑍 ∧ (exp‘⦋𝑀 / 𝑘⦌𝐴) ∈ V) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀) = (exp‘⦋𝑀 / 𝑘⦌𝐴))
53	43, 44, 52	sylancl 598	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑀) = (exp‘⦋𝑀 / 𝑘⦌𝐴))
54	30, 42, 53	3eqtrd 2802	. . . . . 6 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘⦋𝑀 / 𝑘⦌𝐴))
55	29	sumeq1d 15896	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
56	34	fmpttd 7139	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐴):𝑍⟶ℂ)
57	56	ffvelcdmda 7108	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑀 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀) ∈ ℂ)
58	33, 57	sylan2 605	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀) ∈ ℂ)
59		fveq2 6908	. . . . . . . . . 10 ⊢ (𝑚 = 𝑀 → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀))
60	59	sumsn 15941	. . . . . . . . 9 ⊢ ((𝑀 ∈ ℤ ∧ ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀) ∈ ℂ) → Σ𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀))
61	31, 58, 60	syl2anc 596	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → Σ𝑚 ∈ {𝑀} ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀))
62	34	ralrimiva 3158	. . . . . . . . . 10 ⊢ (𝜑 → ∀𝑘 ∈ 𝑍 𝐴 ∈ ℂ)
63	47	nfel1 2942	. . . . . . . . . . . 12 ⊢ Ⅎ𝑘⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ
64	49	eleq1d 2849	. . . . . . . . . . . 12 ⊢ (𝑘 = 𝑀 → (𝐴 ∈ ℂ ↔ ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ))
65	63, 64	rspc 3568	. . . . . . . . . . 11 ⊢ (𝑀 ∈ 𝑍 → (∀𝑘 ∈ 𝑍 𝐴 ∈ ℂ → ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ))
66	65	impcom 413	. . . . . . . . . 10 ⊢ ((∀𝑘 ∈ 𝑍 𝐴 ∈ ℂ ∧ 𝑀 ∈ 𝑍) → ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ)
67	62, 33, 66	syl2an 608	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ)
68		eqid 2763	. . . . . . . . . 10 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴)
69	68	fvmpts 7020	. . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑍 ∧ ⦋𝑀 / 𝑘⦌𝐴 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀) = ⦋𝑀 / 𝑘⦌𝐴)
70	43, 67, 69	syl2anc 596	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑀) = ⦋𝑀 / 𝑘⦌𝐴)
71	55, 61, 70	3eqtrd 2802	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ⦋𝑀 / 𝑘⦌𝐴)
72	71	fveq2d 6912	. . . . . 6 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘⦋𝑀 / 𝑘⦌𝐴))
73	54, 72	eqtr4d 2801	. . . . 5 ⊢ ((𝜑 ∧ 𝑀 ∈ ℤ) → ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
74	73	expcom 419	. . . 4 ⊢ (𝑀 ∈ ℤ → (𝜑 → ∏𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑀)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
75		simp3 1156	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
76	2	peano2uzs 13056	. . . . . . . . . . . 12 ⊢ (𝑛 ∈ 𝑍 → (𝑛 + 1) ∈ 𝑍)
77		simpr 490	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → (𝑛 + 1) ∈ 𝑍)
78		nfcsb1v 3875	. . . . . . . . . . . . . . . . . 18 ⊢ Ⅎ𝑘⦋(𝑛 + 1) / 𝑘⦌𝐴
79	78	nfel1 2942	. . . . . . . . . . . . . . . . 17 ⊢ Ⅎ𝑘⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ
80		csbeq1a 3865	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = (𝑛 + 1) → 𝐴 = ⦋(𝑛 + 1) / 𝑘⦌𝐴)
81	80	eleq1d 2849	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = (𝑛 + 1) → (𝐴 ∈ ℂ ↔ ⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ))
82	79, 81	rspc 3568	. . . . . . . . . . . . . . . 16 ⊢ ((𝑛 + 1) ∈ 𝑍 → (∀𝑘 ∈ 𝑍 𝐴 ∈ ℂ → ⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ))
83	62, 82	mpan9 516	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → ⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ)
84		efcl 16277	. . . . . . . . . . . . . . 15 ⊢ (⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ → (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴) ∈ ℂ)
85	83, 84	syl 18	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴) ∈ ℂ)
86		nfcv 2926	. . . . . . . . . . . . . . 15 ⊢ Ⅎ𝑘(𝑛 + 1)
87	46, 78	nffv 6918	. . . . . . . . . . . . . . 15 ⊢ Ⅎ𝑘(exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴)
88	80	fveq2d 6912	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = (𝑛 + 1) → (exp‘𝐴) = (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴))
89	86, 87, 88, 51	fvmptf 7038	. . . . . . . . . . . . . 14 ⊢ (((𝑛 + 1) ∈ 𝑍 ∧ (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴) ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)) = (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴))
90	77, 85, 89	syl2anc 596	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)) = (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴))
91	68	fvmpts 7020	. . . . . . . . . . . . . . 15 ⊢ (((𝑛 + 1) ∈ 𝑍 ∧ ⦋(𝑛 + 1) / 𝑘⦌𝐴 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)) = ⦋(𝑛 + 1) / 𝑘⦌𝐴)
92	77, 83, 91	syl2anc 596	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)) = ⦋(𝑛 + 1) / 𝑘⦌𝐴)
93	92	fveq2d 6912	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1))) = (exp‘⦋(𝑛 + 1) / 𝑘⦌𝐴))
94	90, 93	eqtr4d 2801	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)) = (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1))))
95	76, 94	sylan2 605	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)) = (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1))))
96	95	3adant3 1150	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)) = (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1))))
97	75, 96	oveq12d 7461	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → (∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) · ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1))) = ((exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) · (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
98		simpr 490	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑛 ∈ 𝑍)
99	98, 2	eleqtrdi 2874	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝑛 ∈ (ℤ≥‘𝑀))
100		elfzuz 13679	. . . . . . . . . . . . . 14 ⊢ (𝑚 ∈ (𝑀...(𝑛 + 1)) → 𝑚 ∈ (ℤ≥‘𝑀))
101	100, 2	eleqtrrdi 2875	. . . . . . . . . . . . 13 ⊢ (𝑚 ∈ (𝑀...(𝑛 + 1)) → 𝑚 ∈ 𝑍)
102	37	ffvelcdmda 7108	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑚 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) ∈ ℂ)
103	101, 102	sylan2 605	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑚 ∈ (𝑀...(𝑛 + 1))) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) ∈ ℂ)
104	103	adantlr 728	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑚 ∈ (𝑀...(𝑛 + 1))) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) ∈ ℂ)
105		fveq2 6908	. . . . . . . . . . 11 ⊢ (𝑚 = (𝑛 + 1) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1)))
106	99, 104, 105	fprodp1 16165	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) · ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1))))
107	106	3adant3 1150	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) · ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘(𝑛 + 1))))
108	56	ffvelcdmda 7108	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑚 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
109	101, 108	sylan2 605	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑚 ∈ (𝑀...(𝑛 + 1))) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
110	109	adantlr 728	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑚 ∈ (𝑀...(𝑛 + 1))) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
111		fveq2 6908	. . . . . . . . . . . . 13 ⊢ (𝑚 = (𝑛 + 1) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))
112	99, 110, 111	fsump1 15951	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = (Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) + ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1))))
113	112	fveq2d 6912	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘(Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) + ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
114		fzfid 14143	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝑀...𝑛) ∈ Fin)
115		elfzuz 13679	. . . . . . . . . . . . . . . 16 ⊢ (𝑚 ∈ (𝑀...𝑛) → 𝑚 ∈ (ℤ≥‘𝑀))
116	115, 2	eleqtrrdi 2875	. . . . . . . . . . . . . . 15 ⊢ (𝑚 ∈ (𝑀...𝑛) → 𝑚 ∈ 𝑍)
117	116, 108	sylan2 605	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑚 ∈ (𝑀...𝑛)) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
118	117	adantlr 728	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑚 ∈ (𝑀...𝑛)) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
119	114, 118	fsumcl 15928	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ)
120	56	ffvelcdmda 7108	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑛 + 1) ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)) ∈ ℂ)
121	76, 120	sylan2 605	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)) ∈ ℂ)
122		efadd 16289	. . . . . . . . . . . 12 ⊢ ((Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) ∈ ℂ ∧ ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)) ∈ ℂ) → (exp‘(Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) + ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))) = ((exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) · (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
123	119, 121, 122	syl2anc 596	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (exp‘(Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) + ((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))) = ((exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) · (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
124	113, 123	eqtrd 2798	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = ((exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) · (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
125	124	3adant3 1150	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = ((exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) · (exp‘((𝑘 ∈ 𝑍 ↦ 𝐴)‘(𝑛 + 1)))))
126	97, 107, 125	3eqtr4d 2808	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍 ∧ ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
127	126	3exp 1137	. . . . . . 7 ⊢ (𝜑 → (𝑛 ∈ 𝑍 → (∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
128	127	com12 33	. . . . . 6 ⊢ (𝑛 ∈ 𝑍 → (𝜑 → (∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
129	128	a2d 30	. . . . 5 ⊢ (𝑛 ∈ 𝑍 → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → (𝜑 → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
130	2	eqcomi 2772	. . . . 5 ⊢ (ℤ≥‘𝑀) = 𝑍
131	129, 130	eleq2s 2882	. . . 4 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → ((𝜑 → ∏𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑛)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))) → (𝜑 → ∏𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...(𝑛 + 1))((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))))
132	9, 15, 21, 27, 74, 131	uzind4 13060	. . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝜑 → ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))))
133	3, 132	mpcom 39	. 2 ⊢ (𝜑 → ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)))
134		fvres 6927	. . . . 5 ⊢ (𝑚 ∈ (𝑀...𝑁) → (((𝑘 ∈ 𝑍 ↦ (exp‘𝐴)) ↾ (𝑀...𝑁))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚))
135		fzssuz 13726	. . . . . . . 8 ⊢ (𝑀...𝑁) ⊆ (ℤ≥‘𝑀)
136	135, 2	sseqtrri 3962	. . . . . . 7 ⊢ (𝑀...𝑁) ⊆ 𝑍
137		resmpt 6041	. . . . . . 7 ⊢ ((𝑀...𝑁) ⊆ 𝑍 → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴)) ↾ (𝑀...𝑁)) = (𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴)))
138	136, 137	ax-mp 5	. . . . . 6 ⊢ ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴)) ↾ (𝑀...𝑁)) = (𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴))
139	138	fveq1i 6909	. . . . 5 ⊢ (((𝑘 ∈ 𝑍 ↦ (exp‘𝐴)) ↾ (𝑀...𝑁))‘𝑚) = ((𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴))‘𝑚)
140	134, 139	eqtr3di 2813	. . . 4 ⊢ (𝑚 ∈ (𝑀...𝑁) → ((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ((𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴))‘𝑚))
141	140	prodeq2i 16115	. . 3 ⊢ ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴))‘𝑚)
142		prodfc 16141	. . 3 ⊢ ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ (𝑀...𝑁) ↦ (exp‘𝐴))‘𝑚) = ∏𝑘 ∈ (𝑀...𝑁)(exp‘𝐴)
143	141, 142	eqtri 2786	. 2 ⊢ ∏𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ (exp‘𝐴))‘𝑚) = ∏𝑘 ∈ (𝑀...𝑁)(exp‘𝐴)
144		fvres 6927	. . . . . 6 ⊢ (𝑚 ∈ (𝑀...𝑁) → (((𝑘 ∈ 𝑍 ↦ 𝐴) ↾ (𝑀...𝑁))‘𝑚) = ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚))
145		resmpt 6041	. . . . . . . 8 ⊢ ((𝑀...𝑁) ⊆ 𝑍 → ((𝑘 ∈ 𝑍 ↦ 𝐴) ↾ (𝑀...𝑁)) = (𝑘 ∈ (𝑀...𝑁) ↦ 𝐴))
146	136, 145	ax-mp 5	. . . . . . 7 ⊢ ((𝑘 ∈ 𝑍 ↦ 𝐴) ↾ (𝑀...𝑁)) = (𝑘 ∈ (𝑀...𝑁) ↦ 𝐴)
147	146	fveq1i 6909	. . . . . 6 ⊢ (((𝑘 ∈ 𝑍 ↦ 𝐴) ↾ (𝑀...𝑁))‘𝑚) = ((𝑘 ∈ (𝑀...𝑁) ↦ 𝐴)‘𝑚)
148	144, 147	eqtr3di 2813	. . . . 5 ⊢ (𝑚 ∈ (𝑀...𝑁) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = ((𝑘 ∈ (𝑀...𝑁) ↦ 𝐴)‘𝑚))
149	148	sumeq2i 15894	. . . 4 ⊢ Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ (𝑀...𝑁) ↦ 𝐴)‘𝑚)
150		sumfc 15904	. . . 4 ⊢ Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ (𝑀...𝑁) ↦ 𝐴)‘𝑚) = Σ𝑘 ∈ (𝑀...𝑁)𝐴
151	149, 150	eqtri 2786	. . 3 ⊢ Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚) = Σ𝑘 ∈ (𝑀...𝑁)𝐴
152	151	fveq2i 6911	. 2 ⊢ (exp‘Σ𝑚 ∈ (𝑀...𝑁)((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑚)) = (exp‘Σ𝑘 ∈ (𝑀...𝑁)𝐴)
153	133, 143, 152	3eqtr3g 2821	1 ⊢ (𝜑 → ∏𝑘 ∈ (𝑀...𝑁)(exp‘𝐴) = (exp‘Σ𝑘 ∈ (𝑀...𝑁)𝐴))

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∧ w3a 1103   = wceq 1570   ∈ wcel 2147  ∀wral 3080  Vcvv 3454  ⦋csb 3851   ⊆ wss 3900  {csn 4588   ↦ cmpt 5189   ↾ cres 5657  ‘cfv 6558  (class class class)co 7443  ℂcc 11225  1c1 11228   + caddc 11230   · cmul 11232  ℤcz 12720  ℤ_≥cuz 12992  ...cfz 13666  Σcsu 15882  ∏cprod 16101  expce 16256

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 5235  ax-sep 5252  ax-nul 5263  ax-pow 5331  ax-pr 5395  ax-un 7775  ax-inf2 9669  ax-cnex 11283  ax-resscn 11284  ax-1cn 11285  ax-icn 11286  ax-addcl 11287  ax-addrcl 11288  ax-mulcl 11289  ax-mulrcl 11290  ax-mulcom 11291  ax-addass 11292  ax-mulass 11293  ax-distr 11294  ax-i2m1 11295  ax-1ne0 11296  ax-1rid 11297  ax-rnegex 11298  ax-rrecex 11299  ax-cnre 11300  ax-pre-lttri 11301  ax-pre-lttrn 11302  ax-pre-ltadd 11303  ax-pre-mulgt0 11304  ax-pre-sup 11305

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 4839  df-uni 4871  df-int 4911  df-iun 4956  df-br 5107  df-opab 5171  df-mpt 5190  df-tr 5216  df-id 5550  df-eprel 5555  df-po 5563  df-so 5564  df-fr 5608  df-se 5609  df-we 5610  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-pred 6322  df-ord 6383  df-on 6384  df-lim 6385  df-suc 6386  df-iota 6512  df-fun 6560  df-fn 6561  df-f 6562  df-f1 6563  df-fo 6564  df-f1o 6565  df-fv 6566  df-isom 6567  df-riota 7400  df-ov 7446  df-oprab 7447  df-mpo 7448  df-om 7902  df-1st 8025  df-2nd 8026  df-frecs 8327  df-wrecs 8358  df-recs 8407  df-rdg 8446  df-1o 8504  df-er 8745  df-pm 8878  df-en 9002  df-dom 9003  df-sdom 9004  df-fin 9005  df-sup 9461  df-inf 9462  df-oi 9531  df-card 10047  df-pnf 11372  df-mnf 11373  df-xr 11374  df-ltxr 11375  df-le 11376  df-sub 11570  df-neg 11571  df-div 12001  df-nn 12363  df-2 12432  df-3 12433  df-n0 12634  df-z 12721  df-uz 12993  df-rp 13148  df-ico 13509  df-fz 13667  df-fzo 13816  df-fl 13959  df-seq 14172  df-exp 14232  df-fac 14445  df-bc 14474  df-hash 14502  df-shft 15249  df-cj 15295  df-re 15296  df-im 15297  df-sqrt 15431  df-abs 15432  df-limsup 15667  df-clim 15684  df-rlim 15685  df-sum 15883  df-prod 16102  df-ef 16262

This theorem is used by:  aks4d1p1p1  43305