Theorem ipasslem1 28258

Description: Lemma for ipassi 28268. Show the inner product associative law for nonnegative integers. (Contributed by NM, 27-Apr-2007.) (New usage is discouraged.)

Hypotheses

Ref	Expression
ip1i.1	⊢ 𝑋 = (BaseSet‘𝑈)
ip1i.2	⊢ 𝐺 = ( +𝑣 ‘𝑈)
ip1i.4	⊢ 𝑆 = ( ·𝑠OLD ‘𝑈)
ip1i.7	⊢ 𝑃 = (·𝑖OLD‘𝑈)
ip1i.9	⊢ 𝑈 ∈ CPreHilOLD
ipasslem1.b	⊢ 𝐵 ∈ 𝑋

Assertion

Ref	Expression
ipasslem1	⊢ ((𝑁 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))

Proof of Theorem ipasslem1

Dummy variables 𝑗 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		nn0cn 11653	. . . . . . . . . . 11 ⊢ (𝑘 ∈ ℕ0 → 𝑘 ∈ ℂ)
2		ax-1cn 10330	. . . . . . . . . . . 12 ⊢ 1 ∈ ℂ
3		ip1i.9	. . . . . . . . . . . . . 14 ⊢ 𝑈 ∈ CPreHilOLD
4	3	phnvi 28243	. . . . . . . . . . . . 13 ⊢ 𝑈 ∈ NrmCVec
5		ip1i.1	. . . . . . . . . . . . . 14 ⊢ 𝑋 = (BaseSet‘𝑈)
6		ip1i.2	. . . . . . . . . . . . . 14 ⊢ 𝐺 = ( +𝑣 ‘𝑈)
7		ip1i.4	. . . . . . . . . . . . . 14 ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈)
8	5, 6, 7	nvdir 28058	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ (𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋)) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
9	4, 8	mpan 680	. . . . . . . . . . . 12 ⊢ ((𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
10	2, 9	mp3an2 1522	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
11	1, 10	sylan 575	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
12	5, 7	nvsid 28054	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (1𝑆𝐴) = 𝐴)
13	4, 12	mpan 680	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ 𝑋 → (1𝑆𝐴) = 𝐴)
14	13	adantl 475	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (1𝑆𝐴) = 𝐴)
15	14	oveq2d 6938	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)) = ((𝑘𝑆𝐴)𝐺𝐴))
16	11, 15	eqtrd 2813	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺𝐴))
17	16	oveq1d 6937	. . . . . . . 8 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵))
18		ipasslem1.b	. . . . . . . . . . . . 13 ⊢ 𝐵 ∈ 𝑋
19		ip1i.7	. . . . . . . . . . . . . 14 ⊢ 𝑃 = (·𝑖OLD‘𝑈)
20	5, 19	dipcl 28139	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) ∈ ℂ)
21	4, 18, 20	mp3an13 1525	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ 𝑋 → (𝐴𝑃𝐵) ∈ ℂ)
22	21	mulid2d 10395	. . . . . . . . . . 11 ⊢ (𝐴 ∈ 𝑋 → (1 · (𝐴𝑃𝐵)) = (𝐴𝑃𝐵))
23	22	adantl 475	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (1 · (𝐴𝑃𝐵)) = (𝐴𝑃𝐵))
24	23	oveq2d 6938	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
25	5, 7	nvscl 28053	. . . . . . . . . . . 12 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
26	4, 25	mp3an1 1521	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
27	1, 26	sylan 575	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
28	5, 6, 7, 19, 3	ipdiri 28257	. . . . . . . . . . 11 ⊢ (((𝑘𝑆𝐴) ∈ 𝑋 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
29	18, 28	mp3an3 1523	. . . . . . . . . 10 ⊢ (((𝑘𝑆𝐴) ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
30	27, 29	sylancom 582	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
31	24, 30	eqtr4d 2816	. . . . . . . 8 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵))
32	17, 31	eqtr4d 2816	. . . . . . 7 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))))
33		oveq1 6929	. . . . . . 7 ⊢ (((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵)) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
34	32, 33	sylan9eq 2833	. . . . . 6 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
35		adddir 10367	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ (𝐴𝑃𝐵) ∈ ℂ) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
36	2, 35	mp3an2 1522	. . . . . . . 8 ⊢ ((𝑘 ∈ ℂ ∧ (𝐴𝑃𝐵) ∈ ℂ) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
37	1, 21, 36	syl2an 589	. . . . . . 7 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
38	37	adantr 474	. . . . . 6 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
39	34, 38	eqtr4d 2816	. . . . 5 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))
40	39	exp31 412	. . . 4 ⊢ (𝑘 ∈ ℕ0 → (𝐴 ∈ 𝑋 → (((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵)) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))))
41	40	a2d 29	. . 3 ⊢ (𝑘 ∈ ℕ0 → ((𝐴 ∈ 𝑋 → ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → (𝐴 ∈ 𝑋 → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))))
42		eqid 2777	. . . . . 6 ⊢ (0vec‘𝑈) = (0vec‘𝑈)
43	5, 42, 19	dip0l 28145	. . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋) → ((0vec‘𝑈)𝑃𝐵) = 0)
44	4, 18, 43	mp2an 682	. . . 4 ⊢ ((0vec‘𝑈)𝑃𝐵) = 0
45	5, 7, 42	nv0 28064	. . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (0𝑆𝐴) = (0vec‘𝑈))
46	4, 45	mpan 680	. . . . 5 ⊢ (𝐴 ∈ 𝑋 → (0𝑆𝐴) = (0vec‘𝑈))
47	46	oveq1d 6937	. . . 4 ⊢ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = ((0vec‘𝑈)𝑃𝐵))
48	21	mul02d 10574	. . . 4 ⊢ (𝐴 ∈ 𝑋 → (0 · (𝐴𝑃𝐵)) = 0)
49	44, 47, 48	3eqtr4a 2839	. . 3 ⊢ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵)))
50		oveq1 6929	. . . . . 6 ⊢ (𝑗 = 0 → (𝑗𝑆𝐴) = (0𝑆𝐴))
51	50	oveq1d 6937	. . . . 5 ⊢ (𝑗 = 0 → ((𝑗𝑆𝐴)𝑃𝐵) = ((0𝑆𝐴)𝑃𝐵))
52		oveq1 6929	. . . . 5 ⊢ (𝑗 = 0 → (𝑗 · (𝐴𝑃𝐵)) = (0 · (𝐴𝑃𝐵)))
53	51, 52	eqeq12d 2792	. . . 4 ⊢ (𝑗 = 0 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵))))
54	53	imbi2d 332	. . 3 ⊢ (𝑗 = 0 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵)))))
55		oveq1 6929	. . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗𝑆𝐴) = (𝑘𝑆𝐴))
56	55	oveq1d 6937	. . . . 5 ⊢ (𝑗 = 𝑘 → ((𝑗𝑆𝐴)𝑃𝐵) = ((𝑘𝑆𝐴)𝑃𝐵))
57		oveq1 6929	. . . . 5 ⊢ (𝑗 = 𝑘 → (𝑗 · (𝐴𝑃𝐵)) = (𝑘 · (𝐴𝑃𝐵)))
58	56, 57	eqeq12d 2792	. . . 4 ⊢ (𝑗 = 𝑘 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))))
59	58	imbi2d 332	. . 3 ⊢ (𝑗 = 𝑘 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵)))))
60		oveq1 6929	. . . . . 6 ⊢ (𝑗 = (𝑘 + 1) → (𝑗𝑆𝐴) = ((𝑘 + 1)𝑆𝐴))
61	60	oveq1d 6937	. . . . 5 ⊢ (𝑗 = (𝑘 + 1) → ((𝑗𝑆𝐴)𝑃𝐵) = (((𝑘 + 1)𝑆𝐴)𝑃𝐵))
62		oveq1 6929	. . . . 5 ⊢ (𝑗 = (𝑘 + 1) → (𝑗 · (𝐴𝑃𝐵)) = ((𝑘 + 1) · (𝐴𝑃𝐵)))
63	61, 62	eqeq12d 2792	. . . 4 ⊢ (𝑗 = (𝑘 + 1) → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵))))
64	63	imbi2d 332	. . 3 ⊢ (𝑗 = (𝑘 + 1) → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))))
65		oveq1 6929	. . . . . 6 ⊢ (𝑗 = 𝑁 → (𝑗𝑆𝐴) = (𝑁𝑆𝐴))
66	65	oveq1d 6937	. . . . 5 ⊢ (𝑗 = 𝑁 → ((𝑗𝑆𝐴)𝑃𝐵) = ((𝑁𝑆𝐴)𝑃𝐵))
67		oveq1 6929	. . . . 5 ⊢ (𝑗 = 𝑁 → (𝑗 · (𝐴𝑃𝐵)) = (𝑁 · (𝐴𝑃𝐵)))
68	66, 67	eqeq12d 2792	. . . 4 ⊢ (𝑗 = 𝑁 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵))))
69	68	imbi2d 332	. . 3 ⊢ (𝑗 = 𝑁 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))))
70	41, 49, 54, 59, 64, 69	nn0indALT 11825	. 2 ⊢ (𝑁 ∈ ℕ0 → (𝐴 ∈ 𝑋 → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵))))
71	70	imp 397	1 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))

Syntax hints:   → wi 4   ∧ wa 386   ∧ w3a 1071   = wceq 1601   ∈ wcel 2106  ‘cfv 6135  (class class class)co 6922  ℂcc 10270  0cc0 10272  1c1 10273   + caddc 10275   · cmul 10277  ℕ₀cn0 11642  NrmCVeccnv 28011   +_𝑣 cpv 28012  BaseSetcba 28013   ·_𝑠OLD cns 28014  0_veccn0v 28015  ·_𝑖OLDcdip 28127  CPreHil_OLDccphlo 28239

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1839  ax-4 1853  ax-5 1953  ax-6 2021  ax-7 2054  ax-8 2108  ax-9 2115  ax-10 2134  ax-11 2149  ax-12 2162  ax-13 2333  ax-ext 2753  ax-rep 5006  ax-sep 5017  ax-nul 5025  ax-pow 5077  ax-pr 5138  ax-un 7226  ax-inf2 8835  ax-cnex 10328  ax-resscn 10329  ax-1cn 10330  ax-icn 10331  ax-addcl 10332  ax-addrcl 10333  ax-mulcl 10334  ax-mulrcl 10335  ax-mulcom 10336  ax-addass 10337  ax-mulass 10338  ax-distr 10339  ax-i2m1 10340  ax-1ne0 10341  ax-1rid 10342  ax-rnegex 10343  ax-rrecex 10344  ax-cnre 10345  ax-pre-lttri 10346  ax-pre-lttrn 10347  ax-pre-ltadd 10348  ax-pre-mulgt0 10349  ax-pre-sup 10350

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 837  df-3or 1072  df-3an 1073  df-tru 1605  df-fal 1615  df-ex 1824  df-nf 1828  df-sb 2012  df-mo 2550  df-eu 2586  df-clab 2763  df-cleq 2769  df-clel 2773  df-nfc 2920  df-ne 2969  df-nel 3075  df-ral 3094  df-rex 3095  df-reu 3096  df-rmo 3097  df-rab 3098  df-v 3399  df-sbc 3652  df-csb 3751  df-dif 3794  df-un 3796  df-in 3798  df-ss 3805  df-pss 3807  df-nul 4141  df-if 4307  df-pw 4380  df-sn 4398  df-pr 4400  df-tp 4402  df-op 4404  df-uni 4672  df-int 4711  df-iun 4755  df-br 4887  df-opab 4949  df-mpt 4966  df-tr 4988  df-id 5261  df-eprel 5266  df-po 5274  df-so 5275  df-fr 5314  df-se 5315  df-we 5316  df-xp 5361  df-rel 5362  df-cnv 5363  df-co 5364  df-dm 5365  df-rn 5366  df-res 5367  df-ima 5368  df-pred 5933  df-ord 5979  df-on 5980  df-lim 5981  df-suc 5982  df-iota 6099  df-fun 6137  df-fn 6138  df-f 6139  df-f1 6140  df-fo 6141  df-f1o 6142  df-fv 6143  df-isom 6144  df-riota 6883  df-ov 6925  df-oprab 6926  df-mpt2 6927  df-om 7344  df-1st 7445  df-2nd 7446  df-wrecs 7689  df-recs 7751  df-rdg 7789  df-1o 7843  df-oadd 7847  df-er 8026  df-en 8242  df-dom 8243  df-sdom 8244  df-fin 8245  df-sup 8636  df-oi 8704  df-card 9098  df-pnf 10413  df-mnf 10414  df-xr 10415  df-ltxr 10416  df-le 10417  df-sub 10608  df-neg 10609  df-div 11033  df-nn 11375  df-2 11438  df-3 11439  df-4 11440  df-n0 11643  df-z 11729  df-uz 11993  df-rp 12138  df-fz 12644  df-fzo 12785  df-seq 13120  df-exp 13179  df-hash 13436  df-cj 14246  df-re 14247  df-im 14248  df-sqrt 14382  df-abs 14383  df-clim 14627  df-sum 14825  df-grpo 27920  df-gid 27921  df-ginv 27922  df-ablo 27972  df-vc 27986  df-nv 28019  df-va 28022  df-ba 28023  df-sm 28024  df-0v 28025  df-nmcv 28027  df-dip 28128  df-ph 28240

This theorem is referenced by:  ipasslem2  28259  ipasslem3  28260  ipasslem4  28261