Theorem normlem0 28886

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 28791	. . . . 5 ⊢ (𝑆 ·ℎ 𝐺) ∈ ℋ
5	1, 4	hvsubvali 28797	. . . 4 ⊢ (𝐹 −ℎ (𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-1 ·ℎ (𝑆 ·ℎ 𝐺)))
6	2	mulm1i 11085	. . . . . . 7 ⊢ (-1 · 𝑆) = -𝑆
7	6	oveq1i 7166	. . . . . 6 ⊢ ((-1 · 𝑆) ·ℎ 𝐺) = (-𝑆 ·ℎ 𝐺)
8		neg1cn 11752	. . . . . . 7 ⊢ -1 ∈ ℂ
9	8, 2, 3	hvmulassi 28823	. . . . . 6 ⊢ ((-1 · 𝑆) ·ℎ 𝐺) = (-1 ·ℎ (𝑆 ·ℎ 𝐺))
10	7, 9	eqtr3i 2846	. . . . 5 ⊢ (-𝑆 ·ℎ 𝐺) = (-1 ·ℎ (𝑆 ·ℎ 𝐺))
11	10	oveq2i 7167	. . . 4 ⊢ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-1 ·ℎ (𝑆 ·ℎ 𝐺)))
12	5, 11	eqtr4i 2847	. . 3 ⊢ (𝐹 −ℎ (𝑆 ·ℎ 𝐺)) = (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))
13	12, 12	oveq12i 7168	. 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 10954	. . . 4 ⊢ -𝑆 ∈ ℂ
15	14, 3	hvmulcli 28791	. . 3 ⊢ (-𝑆 ·ℎ 𝐺) ∈ ℋ
16	1, 15	hvaddcli 28795	. . 3 ⊢ (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)) ∈ ℋ
17		ax-his2 28860	. . 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 1457	. 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 28867	. . . . 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 1457	. . . 4 ⊢ (𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (𝐹 ·ih (-𝑆 ·ℎ 𝐺)))
21		his5 28863	. . . . . . 7 ⊢ ((-𝑆 ∈ ℂ ∧ 𝐹 ∈ ℋ ∧ 𝐺 ∈ ℋ) → (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐹 ·ih 𝐺)))
22	14, 1, 3, 21	mp3an 1457	. . . . . 6 ⊢ (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐹 ·ih 𝐺))
23	2	cjnegi 14541	. . . . . . 7 ⊢ (∗‘-𝑆) = -(∗‘𝑆)
24	23	oveq1i 7166	. . . . . 6 ⊢ ((∗‘-𝑆) · (𝐹 ·ih 𝐺)) = (-(∗‘𝑆) · (𝐹 ·ih 𝐺))
25	22, 24	eqtri 2844	. . . . 5 ⊢ (𝐹 ·ih (-𝑆 ·ℎ 𝐺)) = (-(∗‘𝑆) · (𝐹 ·ih 𝐺))
26	25	oveq2i 7167	. . . 4 ⊢ ((𝐹 ·ih 𝐹) + (𝐹 ·ih (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺)))
27	20, 26	eqtri 2844	. . 3 ⊢ (𝐹 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐹 ·ih 𝐹) + (-(∗‘𝑆) · (𝐹 ·ih 𝐺)))
28		ax-his3 28861	. . . . 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 1457	. . . 4 ⊢ ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = (-𝑆 · (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))))
30		his7 28867	. . . . . . 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 1457	. . . . . 6 ⊢ (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + (𝐺 ·ih (-𝑆 ·ℎ 𝐺)))
32		his5 28863	. . . . . . . 8 ⊢ ((-𝑆 ∈ ℂ ∧ 𝐺 ∈ ℋ ∧ 𝐺 ∈ ℋ) → (𝐺 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
33	14, 3, 3, 32	mp3an 1457	. . . . . . 7 ⊢ (𝐺 ·ih (-𝑆 ·ℎ 𝐺)) = ((∗‘-𝑆) · (𝐺 ·ih 𝐺))
34	33	oveq2i 7167	. . . . . 6 ⊢ ((𝐺 ·ih 𝐹) + (𝐺 ·ih (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
35	31, 34	eqtri 2844	. . . . 5 ⊢ (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
36	35	oveq2i 7167	. . . 4 ⊢ (-𝑆 · (𝐺 ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺)))) = (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺))))
37	3, 1	hicli 28858	. . . . . 6 ⊢ (𝐺 ·ih 𝐹) ∈ ℂ
38	14	cjcli 14528	. . . . . . 7 ⊢ (∗‘-𝑆) ∈ ℂ
39	3, 3	hicli 28858	. . . . . . 7 ⊢ (𝐺 ·ih 𝐺) ∈ ℂ
40	38, 39	mulcli 10648	. . . . . 6 ⊢ ((∗‘-𝑆) · (𝐺 ·ih 𝐺)) ∈ ℂ
41	14, 37, 40	adddii 10653	. . . . 5 ⊢ (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺))))
42	14, 38, 39	mulassi 10652	. . . . . . 7 ⊢ ((-𝑆 · (∗‘-𝑆)) · (𝐺 ·ih 𝐺)) = (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))
43	23	oveq2i 7167	. . . . . . . . 9 ⊢ (-𝑆 · (∗‘-𝑆)) = (-𝑆 · -(∗‘𝑆))
44	2	cjcli 14528	. . . . . . . . . 10 ⊢ (∗‘𝑆) ∈ ℂ
45	2, 44	mul2negi 11088	. . . . . . . . 9 ⊢ (-𝑆 · -(∗‘𝑆)) = (𝑆 · (∗‘𝑆))
46	43, 45	eqtri 2844	. . . . . . . 8 ⊢ (-𝑆 · (∗‘-𝑆)) = (𝑆 · (∗‘𝑆))
47	46	oveq1i 7166	. . . . . . 7 ⊢ ((-𝑆 · (∗‘-𝑆)) · (𝐺 ·ih 𝐺)) = ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))
48	42, 47	eqtr3i 2846	. . . . . 6 ⊢ (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺))) = ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺))
49	48	oveq2i 7167	. . . . 5 ⊢ ((-𝑆 · (𝐺 ·ih 𝐹)) + (-𝑆 · ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
50	41, 49	eqtri 2844	. . . 4 ⊢ (-𝑆 · ((𝐺 ·ih 𝐹) + ((∗‘-𝑆) · (𝐺 ·ih 𝐺)))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
51	29, 36, 50	3eqtri 2848	. . 3 ⊢ ((-𝑆 ·ℎ 𝐺) ·ih (𝐹 +ℎ (-𝑆 ·ℎ 𝐺))) = ((-𝑆 · (𝐺 ·ih 𝐹)) + ((𝑆 · (∗‘𝑆)) · (𝐺 ·ih 𝐺)))
52	27, 51	oveq12i 7168	. 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 2848	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 1537   ∈ wcel 2114  ‘cfv 6355  (class class class)co 7156  ℂcc 10535  1c1 10538   + caddc 10540   · cmul 10542  -cneg 10871  ∗ccj 14455   ℋchba 28696   +_ℎ cva 28697   ·_ℎ csm 28698   ·_ih csp 28699   −_ℎ cmv 28702

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-sep 5203  ax-nul 5210  ax-pow 5266  ax-pr 5330  ax-un 7461  ax-resscn 10594  ax-1cn 10595  ax-icn 10596  ax-addcl 10597  ax-addrcl 10598  ax-mulcl 10599  ax-mulrcl 10600  ax-mulcom 10601  ax-addass 10602  ax-mulass 10603  ax-distr 10604  ax-i2m1 10605  ax-1ne0 10606  ax-1rid 10607  ax-rnegex 10608  ax-rrecex 10609  ax-cnre 10610  ax-pre-lttri 10611  ax-pre-lttrn 10612  ax-pre-ltadd 10613  ax-pre-mulgt0 10614  ax-hfvadd 28777  ax-hfvmul 28782  ax-hvmulass 28784  ax-hfi 28856  ax-his1 28859  ax-his2 28860  ax-his3 28861

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-nel 3124  df-ral 3143  df-rex 3144  df-reu 3145  df-rmo 3146  df-rab 3147  df-v 3496  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-iun 4921  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-po 5474  df-so 5475  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-res 5567  df-ima 5568  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-f1 6360  df-fo 6361  df-f1o 6362  df-fv 6363  df-riota 7114  df-ov 7159  df-oprab 7160  df-mpo 7161  df-er 8289  df-en 8510  df-dom 8511  df-sdom 8512  df-pnf 10677  df-mnf 10678  df-xr 10679  df-ltxr 10680  df-le 10681  df-sub 10872  df-neg 10873  df-div 11298  df-2 11701  df-cj 14458  df-re 14459  df-im 14460  df-hvsub 28748

This theorem is referenced by:  normlem1  28887