Theorem normlem0 28892

Description: Lemma used to derive properties of norm. Part of Theorem 3.3(ii) of [Beran] p. 97. (Contributed by NM, 7-Oct-1999.) (New usage is discouraged.)

Hypotheses

Ref	Expression
normlem1.1	⊢ 𝑆 ∈ ℂ
normlem1.2	⊢ 𝐹 ∈ ℋ
normlem1.3	⊢ 𝐺 ∈ ℋ

Assertion

Ref	Expression
normlem0	⊢ ((𝐹 −ℎ (𝑆 ·ℎ 𝐺)) ·ih (𝐹 −ℎ (𝑆 ·ℎ 𝐺))) = (((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺))) + ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))))

Proof of Theorem normlem0

Step	Hyp	Ref	Expression
1		normlem1.2	. . . . 5 ⊢ 𝐹 ∈ ℋ
2		normlem1.1	. . . . . 6 ⊢ 𝑆 ∈ ℂ
3		normlem1.3	. . . . . 6 ⊢ 𝐺 ∈ ℋ
4	2, 3	hvmulcli 28797	. . . . 5 ⊢ (𝑆 ·ℎ 𝐺) ∈ ℋ
5	1, 4	hvsubvali 28803	. . . 4 ⊢ (𝐹 −ℎ (𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-1 ·ℎ (𝑆 ·ℎ 𝐺)))
6	2	mulm1i 11074	. . . . . . 7 ⊢ (-1 · 𝑆) = -𝑆
7	6	oveq1i 7145	. . . . . 6 ⊢ ((-1 · 𝑆) ·ℎ 𝐺) = (-𝑆 ·ℎ 𝐺)
8		neg1cn 11739	. . . . . . 7 ⊢ -1 ∈ ℂ
9	8, 2, 3	hvmulassi 28829	. . . . . 6 ⊢ ((-1 · 𝑆) ·ℎ 𝐺) = (-1 ·ℎ (𝑆 ·ℎ 𝐺))
10	7, 9	eqtr3i 2823	. . . . 5 ⊢ (-𝑆 ·ℎ 𝐺) = (-1 ·ℎ (𝑆 ·ℎ 𝐺))
11	10	oveq2i 7146	. . . 4 ⊢ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-1 ·ℎ (𝑆 ·ℎ 𝐺)))
12	5, 11	eqtr4i 2824	. . 3 ⊢ (𝐹 −ℎ (𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))
13	12, 12	oveq12i 7147	. 2 ⊢ ((𝐹 −ℎ (𝑆 ·ℎ 𝐺)) ·ih (𝐹 −ℎ (𝑆 ·ℎ 𝐺))) = ((𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))
14	2	negcli 10943	. . . 4 ⊢ -𝑆 ∈ ℂ
15	14, 3	hvmulcli 28797	. . 3 ⊢ (-𝑆 ·ℎ 𝐺) ∈ ℋ
16	1, 15	hvaddcli 28801	. . 3 ⊢ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ∈ ℋ
17		ax-his2 28866	. . 3 ⊢ ((𝐹 ∈ ℋ ∧ (-𝑆 ·ℎ 𝐺) ∈ ℋ ∧ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ∈ ℋ) → ((𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) + ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))))
18	1, 15, 16, 17	mp3an 1458	. 2 ⊢ ((𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) + ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))))
19		his7 28873	. . . . 5 ⊢ ((𝐹 ∈ ℋ ∧ 𝐹 ∈ ℋ ∧ (-𝑆 ·ℎ 𝐺) ∈ ℋ) → (𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (𝐹 ·ih (-𝑆 ·ℎ 𝐺))))
20	1, 1, 15, 19	mp3an 1458	. . . 4 ⊢ (𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (𝐹 ·ih (-𝑆 ·ℎ 𝐺)))
21		his5 28869	. . . . . . 7 ⊢ ((-𝑆 ∈ ℂ ∧ 𝐹 ∈ ℋ ∧ 𝐺 ∈ ℋ) → (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐹 ·ih 𝐺)))
22	14, 1, 3, 21	mp3an 1458	. . . . . 6 ⊢ (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐹 ·ih 𝐺))
23	2	cjnegi 14533	. . . . . . 7 ⊢ (∗‘-𝑆) = -(∗‘𝑆)
24	23	oveq1i 7145	. . . . . 6 ⊢ ((∗‘-𝑆) · (𝐹 ·ih 𝐺)) = (-(∗‘𝑆) · (𝐹 ·ih 𝐺))
25	22, 24	eqtri 2821	. . . . 5 ⊢ (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = (-(∗‘𝑆) · (𝐹 ·ih 𝐺))
26	25	oveq2i 7146	. . . 4 ⊢ ((𝐹 ·ih 𝐹) + (𝐹 ·ih (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺)))
27	20, 26	eqtri 2821	. . 3 ⊢ (𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺)))
28		ax-his3 28867	. . . . 5 ⊢ ((-𝑆 ∈ ℂ ∧ 𝐺 ∈ ℋ ∧ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ∈ ℋ) → ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = (-𝑆 · (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))))
29	14, 3, 16, 28	mp3an 1458	. . . 4 ⊢ ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = (-𝑆 · (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))))
30		his7 28873	. . . . . . 7 ⊢ ((𝐺 ∈ ℋ ∧ 𝐹 ∈ ℋ ∧ (-𝑆 ·ℎ 𝐺) ∈ ℋ) → (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + (𝐺 ·ih (-𝑆 ·ℎ 𝐺))))
31	3, 1, 15, 30	mp3an 1458	. . . . . 6 ⊢ (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + (𝐺 ·ih (-𝑆 ·ℎ 𝐺)))
32		his5 28869	. . . . . . . 8 ⊢ ((-𝑆 ∈ ℂ ∧ 𝐺 ∈ ℋ ∧ 𝐺 ∈ ℋ) → (𝐺 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
33	14, 3, 3, 32	mp3an 1458	. . . . . . 7 ⊢ (𝐺 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐺 ·ih 𝐺))
34	33	oveq2i 7146	. . . . . 6 ⊢ ((𝐺 ·ih 𝐹) + (𝐺 ·ih (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
35	31, 34	eqtri 2821	. . . . 5 ⊢ (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
36	35	oveq2i 7146	. . . 4 ⊢ (-𝑆 · (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))) = (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺))))
37	3, 1	hicli 28864	. . . . . 6 ⊢ (𝐺 ·ih 𝐹) ∈ ℂ
38	14	cjcli 14520	. . . . . . 7 ⊢ (∗‘-𝑆) ∈ ℂ
39	3, 3	hicli 28864	. . . . . . 7 ⊢ (𝐺 ·ih 𝐺) ∈ ℂ
40	38, 39	mulcli 10637	. . . . . 6 ⊢ ((∗‘-𝑆) · (𝐺 ·ih 𝐺)) ∈ ℂ
41	14, 37, 40	adddii 10642	. . . . 5 ⊢ (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺))))
42	14, 38, 39	mulassi 10641	. . . . . . 7 ⊢ ((-𝑆 · (∗‘-𝑆)) · (𝐺 ·ih 𝐺)) = (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
43	23	oveq2i 7146	. . . . . . . . 9 ⊢ (-𝑆 · (∗‘-𝑆)) = (-𝑆 · -(∗‘𝑆))
44	2	cjcli 14520	. . . . . . . . . 10 ⊢ (∗‘𝑆) ∈ ℂ
45	2, 44	mul2negi 11077	. . . . . . . . 9 ⊢ (-𝑆 · -(∗‘𝑆)) = (𝑆 · (∗‘𝑆))
46	43, 45	eqtri 2821	. . . . . . . 8 ⊢ (-𝑆 · (∗‘-𝑆)) = (𝑆 · (∗‘𝑆))
47	46	oveq1i 7145	. . . . . . 7 ⊢ ((-𝑆 · (∗‘-𝑆)) · (𝐺 ·ih 𝐺)) = ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))
48	42, 47	eqtr3i 2823	. . . . . 6 ⊢ (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺))) = ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))
49	48	oveq2i 7146	. . . . 5 ⊢ ((-𝑆 · (𝐺 ·ih 𝐹)) + (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
50	41, 49	eqtri 2821	. . . 4 ⊢ (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
51	29, 36, 50	3eqtri 2825	. . 3 ⊢ ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
52	27, 51	oveq12i 7147	. 2 ⊢ ((𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) + ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))) = (((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺))) + ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))))
53	13, 18, 52	3eqtri 2825	1 ⊢ ((𝐹 −ℎ (𝑆 ·ℎ 𝐺)) ·ih (𝐹 −ℎ (𝑆 ·ℎ 𝐺))) = (((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺))) + ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))))

Syntax hints:   = wceq 1538   ∈ wcel 2111  ‘cfv 6324  (class class class)co 7135  ℂcc 10524  1c1 10527   + caddc 10529   · cmul 10531  -cneg 10860  ∗ccj 14447   ℋchba 28702   +_ℎ cva 28703   ·_ℎ csm 28704   ·_ih csp 28705   −_ℎ cmv 28708

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441  ax-resscn 10583  ax-1cn 10584  ax-icn 10585  ax-addcl 10586  ax-addrcl 10587  ax-mulcl 10588  ax-mulrcl 10589  ax-mulcom 10590  ax-addass 10591  ax-mulass 10592  ax-distr 10593  ax-i2m1 10594  ax-1ne0 10595  ax-1rid 10596  ax-rnegex 10597  ax-rrecex 10598  ax-cnre 10599  ax-pre-lttri 10600  ax-pre-lttrn 10601  ax-pre-ltadd 10602  ax-pre-mulgt0 10603  ax-hfvadd 28783  ax-hfvmul 28788  ax-hvmulass 28790  ax-hfi 28862  ax-his1 28865  ax-his2 28866  ax-his3 28867

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-nel 3092  df-ral 3111  df-rex 3112  df-reu 3113  df-rmo 3114  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-po 5438  df-so 5439  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-riota 7093  df-ov 7138  df-oprab 7139  df-mpo 7140  df-er 8272  df-en 8493  df-dom 8494  df-sdom 8495  df-pnf 10666  df-mnf 10667  df-xr 10668  df-ltxr 10669  df-le 10670  df-sub 10861  df-neg 10862  df-div 11287  df-2 11688  df-cj 14450  df-re 14451  df-im 14452  df-hvsub 28754

This theorem is referenced by:  normlem1  28893