Theorem ipasslem1 30775

Description: Lemma for ipassi 30785. 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 12394	. . . . . . . . . . 11 ⊢ (𝑘 ∈ ℕ0 → 𝑘 ∈ ℂ)
2		ax-1cn 11067	. . . . . . . . . . . 12 ⊢ 1 ∈ ℂ
3		ip1i.9	. . . . . . . . . . . . . 14 ⊢ 𝑈 ∈ CPreHilOLD
4	3	phnvi 30760	. . . . . . . . . . . . 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 30575	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ (𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋)) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
9	4, 8	mpan 690	. . . . . . . . . . . 12 ⊢ ((𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
10	2, 9	mp3an2 1451	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
11	1, 10	sylan 580	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)))
12	5, 7	nvsid 30571	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (1𝑆𝐴) = 𝐴)
13	4, 12	mpan 690	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ 𝑋 → (1𝑆𝐴) = 𝐴)
14	13	adantl 481	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (1𝑆𝐴) = 𝐴)
15	14	oveq2d 7365	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘𝑆𝐴)𝐺(1𝑆𝐴)) = ((𝑘𝑆𝐴)𝐺𝐴))
16	11, 15	eqtrd 2764	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1)𝑆𝐴) = ((𝑘𝑆𝐴)𝐺𝐴))
17	16	oveq1d 7364	. . . . . . . 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 30656	. . . . . . . . . . . . 13 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) ∈ ℂ)
21	4, 18, 20	mp3an13 1454	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ 𝑋 → (𝐴𝑃𝐵) ∈ ℂ)
22	21	mullidd 11133	. . . . . . . . . . 11 ⊢ (𝐴 ∈ 𝑋 → (1 · (𝐴𝑃𝐵)) = (𝐴𝑃𝐵))
23	22	adantl 481	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (1 · (𝐴𝑃𝐵)) = (𝐴𝑃𝐵))
24	23	oveq2d 7365	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
25	5, 7	nvscl 30570	. . . . . . . . . . . 12 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
26	4, 25	mp3an1 1450	. . . . . . . . . . 11 ⊢ ((𝑘 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
27	1, 26	sylan 580	. . . . . . . . . 10 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (𝑘𝑆𝐴) ∈ 𝑋)
28	5, 6, 7, 19, 3	ipdiri 30774	. . . . . . . . . . 11 ⊢ (((𝑘𝑆𝐴) ∈ 𝑋 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
29	18, 28	mp3an3 1452	. . . . . . . . . 10 ⊢ (((𝑘𝑆𝐴) ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
30	27, 29	sylancom 588	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (𝐴𝑃𝐵)))
31	24, 30	eqtr4d 2767	. . . . . . . 8 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = (((𝑘𝑆𝐴)𝐺𝐴)𝑃𝐵))
32	17, 31	eqtr4d 2767	. . . . . . 7 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))))
33		oveq1 7356	. . . . . . 7 ⊢ (((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵)) → (((𝑘𝑆𝐴)𝑃𝐵) + (1 · (𝐴𝑃𝐵))) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
34	32, 33	sylan9eq 2784	. . . . . 6 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
35		adddir 11106	. . . . . . . . 9 ⊢ ((𝑘 ∈ ℂ ∧ 1 ∈ ℂ ∧ (𝐴𝑃𝐵) ∈ ℂ) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
36	2, 35	mp3an2 1451	. . . . . . . 8 ⊢ ((𝑘 ∈ ℂ ∧ (𝐴𝑃𝐵) ∈ ℂ) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
37	1, 21, 36	syl2an 596	. . . . . . 7 ⊢ ((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
38	37	adantr 480	. . . . . 6 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → ((𝑘 + 1) · (𝐴𝑃𝐵)) = ((𝑘 · (𝐴𝑃𝐵)) + (1 · (𝐴𝑃𝐵))))
39	34, 38	eqtr4d 2767	. . . . 5 ⊢ (((𝑘 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) ∧ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))) → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))
40	39	exp31 419	. . . 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 2729	. . . . . 6 ⊢ (0vec‘𝑈) = (0vec‘𝑈)
43	5, 42, 19	dip0l 30662	. . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋) → ((0vec‘𝑈)𝑃𝐵) = 0)
44	4, 18, 43	mp2an 692	. . . 4 ⊢ ((0vec‘𝑈)𝑃𝐵) = 0
45	5, 7, 42	nv0 30581	. . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (0𝑆𝐴) = (0vec‘𝑈))
46	4, 45	mpan 690	. . . . 5 ⊢ (𝐴 ∈ 𝑋 → (0𝑆𝐴) = (0vec‘𝑈))
47	46	oveq1d 7364	. . . 4 ⊢ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = ((0vec‘𝑈)𝑃𝐵))
48	21	mul02d 11314	. . . 4 ⊢ (𝐴 ∈ 𝑋 → (0 · (𝐴𝑃𝐵)) = 0)
49	44, 47, 48	3eqtr4a 2790	. . 3 ⊢ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵)))
50		oveq1 7356	. . . . . 6 ⊢ (𝑗 = 0 → (𝑗𝑆𝐴) = (0𝑆𝐴))
51	50	oveq1d 7364	. . . . 5 ⊢ (𝑗 = 0 → ((𝑗𝑆𝐴)𝑃𝐵) = ((0𝑆𝐴)𝑃𝐵))
52		oveq1 7356	. . . . 5 ⊢ (𝑗 = 0 → (𝑗 · (𝐴𝑃𝐵)) = (0 · (𝐴𝑃𝐵)))
53	51, 52	eqeq12d 2745	. . . 4 ⊢ (𝑗 = 0 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵))))
54	53	imbi2d 340	. . 3 ⊢ (𝑗 = 0 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((0𝑆𝐴)𝑃𝐵) = (0 · (𝐴𝑃𝐵)))))
55		oveq1 7356	. . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗𝑆𝐴) = (𝑘𝑆𝐴))
56	55	oveq1d 7364	. . . . 5 ⊢ (𝑗 = 𝑘 → ((𝑗𝑆𝐴)𝑃𝐵) = ((𝑘𝑆𝐴)𝑃𝐵))
57		oveq1 7356	. . . . 5 ⊢ (𝑗 = 𝑘 → (𝑗 · (𝐴𝑃𝐵)) = (𝑘 · (𝐴𝑃𝐵)))
58	56, 57	eqeq12d 2745	. . . 4 ⊢ (𝑗 = 𝑘 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵))))
59	58	imbi2d 340	. . 3 ⊢ (𝑗 = 𝑘 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((𝑘𝑆𝐴)𝑃𝐵) = (𝑘 · (𝐴𝑃𝐵)))))
60		oveq1 7356	. . . . . 6 ⊢ (𝑗 = (𝑘 + 1) → (𝑗𝑆𝐴) = ((𝑘 + 1)𝑆𝐴))
61	60	oveq1d 7364	. . . . 5 ⊢ (𝑗 = (𝑘 + 1) → ((𝑗𝑆𝐴)𝑃𝐵) = (((𝑘 + 1)𝑆𝐴)𝑃𝐵))
62		oveq1 7356	. . . . 5 ⊢ (𝑗 = (𝑘 + 1) → (𝑗 · (𝐴𝑃𝐵)) = ((𝑘 + 1) · (𝐴𝑃𝐵)))
63	61, 62	eqeq12d 2745	. . . 4 ⊢ (𝑗 = (𝑘 + 1) → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵))))
64	63	imbi2d 340	. . 3 ⊢ (𝑗 = (𝑘 + 1) → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → (((𝑘 + 1)𝑆𝐴)𝑃𝐵) = ((𝑘 + 1) · (𝐴𝑃𝐵)))))
65		oveq1 7356	. . . . . 6 ⊢ (𝑗 = 𝑁 → (𝑗𝑆𝐴) = (𝑁𝑆𝐴))
66	65	oveq1d 7364	. . . . 5 ⊢ (𝑗 = 𝑁 → ((𝑗𝑆𝐴)𝑃𝐵) = ((𝑁𝑆𝐴)𝑃𝐵))
67		oveq1 7356	. . . . 5 ⊢ (𝑗 = 𝑁 → (𝑗 · (𝐴𝑃𝐵)) = (𝑁 · (𝐴𝑃𝐵)))
68	66, 67	eqeq12d 2745	. . . 4 ⊢ (𝑗 = 𝑁 → (((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵)) ↔ ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵))))
69	68	imbi2d 340	. . 3 ⊢ (𝑗 = 𝑁 → ((𝐴 ∈ 𝑋 → ((𝑗𝑆𝐴)𝑃𝐵) = (𝑗 · (𝐴𝑃𝐵))) ↔ (𝐴 ∈ 𝑋 → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))))
70	41, 49, 54, 59, 64, 69	nn0indALT 12572	. 2 ⊢ (𝑁 ∈ ℕ0 → (𝐴 ∈ 𝑋 → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵))))
71	70	imp 406	1 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1086   = wceq 1540   ∈ wcel 2109  ‘cfv 6482  (class class class)co 7349  ℂcc 11007  0cc0 11009  1c1 11010   + caddc 11012   · cmul 11014  ℕ₀cn0 12384  NrmCVeccnv 30528   +_𝑣 cpv 30529  BaseSetcba 30530   ·_𝑠OLD cns 30531  0_veccn0v 30532  ·_𝑖OLDcdip 30644  CPreHil_OLDccphlo 30756

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-inf2 9537  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086  ax-pre-sup 11087

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-int 4897  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-se 5573  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-isom 6491  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-1st 7924  df-2nd 7925  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-1o 8388  df-er 8625  df-en 8873  df-dom 8874  df-sdom 8875  df-fin 8876  df-sup 9332  df-oi 9402  df-card 9835  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-div 11778  df-nn 12129  df-2 12191  df-3 12192  df-4 12193  df-n0 12385  df-z 12472  df-uz 12736  df-rp 12894  df-fz 13411  df-fzo 13558  df-seq 13909  df-exp 13969  df-hash 14238  df-cj 15006  df-re 15007  df-im 15008  df-sqrt 15142  df-abs 15143  df-clim 15395  df-sum 15594  df-grpo 30437  df-gid 30438  df-ginv 30439  df-ablo 30489  df-vc 30503  df-nv 30536  df-va 30539  df-ba 30540  df-sm 30541  df-0v 30542  df-nmcv 30544  df-dip 30645  df-ph 30757

This theorem is referenced by:  ipasslem2  30776  ipasslem3  30777  ipasslem4  30778