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| Mirrors > Home > HSE Home > Th. List > normlem1 | Structured version Visualization version GIF version | ||
| Description: Lemma used to derive properties of norm. Part of Theorem 3.3(ii) of [Beran] p. 97. (Contributed by NM, 22-Aug-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| normlem1.1 | ⊢ 𝑆 ∈ ℂ |
| normlem1.2 | ⊢ 𝐹 ∈ ℋ |
| normlem1.3 | ⊢ 𝐺 ∈ ℋ |
| normlem1.4 | ⊢ 𝑅 ∈ ℝ |
| normlem1.5 | ⊢ (abs‘𝑆) = 1 |
| Ref | Expression |
|---|---|
| normlem1 | ⊢ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺))) = (((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) + (((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) + ((𝑅↑2) · (𝐺 ·ih 𝐺)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | normlem1.1 | . . . 4 ⊢ 𝑆 ∈ ℂ | |
| 2 | normlem1.4 | . . . . 5 ⊢ 𝑅 ∈ ℝ | |
| 3 | 2 | recni 11150 | . . . 4 ⊢ 𝑅 ∈ ℂ |
| 4 | 1, 3 | mulcli 11143 | . . 3 ⊢ (𝑆 · 𝑅) ∈ ℂ |
| 5 | normlem1.2 | . . 3 ⊢ 𝐹 ∈ ℋ | |
| 6 | normlem1.3 | . . 3 ⊢ 𝐺 ∈ ℋ | |
| 7 | 4, 5, 6 | normlem0 31198 | . 2 ⊢ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺))) = (((𝐹 ·ih 𝐹) + (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺))) + ((-(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) + (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺)))) |
| 8 | 1, 3 | cjmuli 15142 | . . . . . . . 8 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · (∗‘𝑅)) |
| 9 | 3 | cjrebi 15127 | . . . . . . . . . 10 ⊢ (𝑅 ∈ ℝ ↔ (∗‘𝑅) = 𝑅) |
| 10 | 2, 9 | mpbi 231 | . . . . . . . . 9 ⊢ (∗‘𝑅) = 𝑅 |
| 11 | 10 | oveq2i 7367 | . . . . . . . 8 ⊢ ((∗‘𝑆) · (∗‘𝑅)) = ((∗‘𝑆) · 𝑅) |
| 12 | 8, 11 | eqtri 2762 | . . . . . . 7 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · 𝑅) |
| 13 | 12 | negeqi 11377 | . . . . . 6 ⊢ -(∗‘(𝑆 · 𝑅)) = -((∗‘𝑆) · 𝑅) |
| 14 | 1 | cjcli 15122 | . . . . . . 7 ⊢ (∗‘𝑆) ∈ ℂ |
| 15 | 14, 3 | mulneg2i 11588 | . . . . . 6 ⊢ ((∗‘𝑆) · -𝑅) = -((∗‘𝑆) · 𝑅) |
| 16 | 13, 15 | eqtr4i 2765 | . . . . 5 ⊢ -(∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · -𝑅) |
| 17 | 16 | oveq1i 7366 | . . . 4 ⊢ (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺)) = (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺)) |
| 18 | 17 | oveq2i 7367 | . . 3 ⊢ ((𝐹 ·ih 𝐹) + (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺))) = ((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) |
| 19 | 1, 3 | mulneg2i 11588 | . . . . . 6 ⊢ (𝑆 · -𝑅) = -(𝑆 · 𝑅) |
| 20 | 19 | eqcomi 2748 | . . . . 5 ⊢ -(𝑆 · 𝑅) = (𝑆 · -𝑅) |
| 21 | 20 | oveq1i 7366 | . . . 4 ⊢ (-(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) = ((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) |
| 22 | 8 | oveq2i 7367 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) |
| 23 | 3 | cjcli 15122 | . . . . . . . . 9 ⊢ (∗‘𝑅) ∈ ℂ |
| 24 | 1, 3, 14, 23 | mul4i 11334 | . . . . . . . 8 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) |
| 25 | normlem1.5 | . . . . . . . . . . . 12 ⊢ (abs‘𝑆) = 1 | |
| 26 | 25 | oveq1i 7366 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (1↑2) |
| 27 | 1 | absvalsqi 15347 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (𝑆 · (∗‘𝑆)) |
| 28 | sq1 14148 | . . . . . . . . . . 11 ⊢ (1↑2) = 1 | |
| 29 | 26, 27, 28 | 3eqtr3i 2770 | . . . . . . . . . 10 ⊢ (𝑆 · (∗‘𝑆)) = 1 |
| 30 | 10 | oveq2i 7367 | . . . . . . . . . 10 ⊢ (𝑅 · (∗‘𝑅)) = (𝑅 · 𝑅) |
| 31 | 29, 30 | oveq12i 7368 | . . . . . . . . 9 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (1 · (𝑅 · 𝑅)) |
| 32 | 3, 3 | mulcli 11143 | . . . . . . . . . 10 ⊢ (𝑅 · 𝑅) ∈ ℂ |
| 33 | 32 | mullidi 11141 | . . . . . . . . 9 ⊢ (1 · (𝑅 · 𝑅)) = (𝑅 · 𝑅) |
| 34 | 31, 33 | eqtri 2762 | . . . . . . . 8 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 35 | 24, 34 | eqtri 2762 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 36 | 22, 35 | eqtri 2762 | . . . . . 6 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅 · 𝑅) |
| 37 | 3 | sqvali 14133 | . . . . . 6 ⊢ (𝑅↑2) = (𝑅 · 𝑅) |
| 38 | 36, 37 | eqtr4i 2765 | . . . . 5 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅↑2) |
| 39 | 38 | oveq1i 7366 | . . . 4 ⊢ (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺)) = ((𝑅↑2) · (𝐺 ·ih 𝐺)) |
| 40 | 21, 39 | oveq12i 7368 | . . 3 ⊢ ((-(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) + (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺))) = (((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) + ((𝑅↑2) · (𝐺 ·ih 𝐺))) |
| 41 | 18, 40 | oveq12i 7368 | . 2 ⊢ (((𝐹 ·ih 𝐹) + (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺))) + ((-(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) + (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺)))) = (((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) + (((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) + ((𝑅↑2) · (𝐺 ·ih 𝐺)))) |
| 42 | 7, 41 | eqtri 2762 | 1 ⊢ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺))) = (((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) + (((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) + ((𝑅↑2) · (𝐺 ·ih 𝐺)))) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 ‘cfv 6485 (class class class)co 7356 ℂcc 11027 ℝcr 11028 1c1 11030 + caddc 11032 · cmul 11034 -cneg 11369 2c2 12227 ↑cexp 14014 ∗ccj 15049 abscabs 15187 ℋchba 31008 ·ℎ csm 31010 ·ih csp 31011 −ℎ cmv 31014 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 ax-hfvadd 31089 ax-hfvmul 31094 ax-hvmulass 31096 ax-hfi 31168 ax-his1 31171 ax-his2 31172 ax-his3 31173 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-id 5513 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5571 df-we 5573 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-pred 6252 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8884 df-dom 8885 df-sdom 8886 df-sup 9345 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-2 12235 df-3 12236 df-n0 12429 df-z 12516 df-uz 12780 df-rp 12934 df-seq 13955 df-exp 14015 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-hvsub 31060 |
| This theorem is referenced by: normlem4 31202 |
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