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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 11158 | . . . 4 ⊢ 𝑅 ∈ ℂ |
| 4 | 1, 3 | mulcli 11151 | . . 3 ⊢ (𝑆 · 𝑅) ∈ ℂ |
| 5 | normlem1.2 | . . 3 ⊢ 𝐹 ∈ ℋ | |
| 6 | normlem1.3 | . . 3 ⊢ 𝐺 ∈ ℋ | |
| 7 | 4, 5, 6 | normlem0 31197 | . 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 15124 | . . . . . . . 8 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · (∗‘𝑅)) |
| 9 | 3 | cjrebi 15109 | . . . . . . . . . 10 ⊢ (𝑅 ∈ ℝ ↔ (∗‘𝑅) = 𝑅) |
| 10 | 2, 9 | mpbi 230 | . . . . . . . . 9 ⊢ (∗‘𝑅) = 𝑅 |
| 11 | 10 | oveq2i 7379 | . . . . . . . 8 ⊢ ((∗‘𝑆) · (∗‘𝑅)) = ((∗‘𝑆) · 𝑅) |
| 12 | 8, 11 | eqtri 2760 | . . . . . . 7 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · 𝑅) |
| 13 | 12 | negeqi 11385 | . . . . . 6 ⊢ -(∗‘(𝑆 · 𝑅)) = -((∗‘𝑆) · 𝑅) |
| 14 | 1 | cjcli 15104 | . . . . . . 7 ⊢ (∗‘𝑆) ∈ ℂ |
| 15 | 14, 3 | mulneg2i 11596 | . . . . . 6 ⊢ ((∗‘𝑆) · -𝑅) = -((∗‘𝑆) · 𝑅) |
| 16 | 13, 15 | eqtr4i 2763 | . . . . 5 ⊢ -(∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · -𝑅) |
| 17 | 16 | oveq1i 7378 | . . . 4 ⊢ (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺)) = (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺)) |
| 18 | 17 | oveq2i 7379 | . . 3 ⊢ ((𝐹 ·ih 𝐹) + (-(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺))) = ((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) |
| 19 | 1, 3 | mulneg2i 11596 | . . . . . 6 ⊢ (𝑆 · -𝑅) = -(𝑆 · 𝑅) |
| 20 | 19 | eqcomi 2746 | . . . . 5 ⊢ -(𝑆 · 𝑅) = (𝑆 · -𝑅) |
| 21 | 20 | oveq1i 7378 | . . . 4 ⊢ (-(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) = ((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) |
| 22 | 8 | oveq2i 7379 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) |
| 23 | 3 | cjcli 15104 | . . . . . . . . 9 ⊢ (∗‘𝑅) ∈ ℂ |
| 24 | 1, 3, 14, 23 | mul4i 11342 | . . . . . . . 8 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) |
| 25 | normlem1.5 | . . . . . . . . . . . 12 ⊢ (abs‘𝑆) = 1 | |
| 26 | 25 | oveq1i 7378 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (1↑2) |
| 27 | 1 | absvalsqi 15329 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (𝑆 · (∗‘𝑆)) |
| 28 | sq1 14130 | . . . . . . . . . . 11 ⊢ (1↑2) = 1 | |
| 29 | 26, 27, 28 | 3eqtr3i 2768 | . . . . . . . . . 10 ⊢ (𝑆 · (∗‘𝑆)) = 1 |
| 30 | 10 | oveq2i 7379 | . . . . . . . . . 10 ⊢ (𝑅 · (∗‘𝑅)) = (𝑅 · 𝑅) |
| 31 | 29, 30 | oveq12i 7380 | . . . . . . . . 9 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (1 · (𝑅 · 𝑅)) |
| 32 | 3, 3 | mulcli 11151 | . . . . . . . . . 10 ⊢ (𝑅 · 𝑅) ∈ ℂ |
| 33 | 32 | mullidi 11149 | . . . . . . . . 9 ⊢ (1 · (𝑅 · 𝑅)) = (𝑅 · 𝑅) |
| 34 | 31, 33 | eqtri 2760 | . . . . . . . 8 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 35 | 24, 34 | eqtri 2760 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 36 | 22, 35 | eqtri 2760 | . . . . . 6 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅 · 𝑅) |
| 37 | 3 | sqvali 14115 | . . . . . 6 ⊢ (𝑅↑2) = (𝑅 · 𝑅) |
| 38 | 36, 37 | eqtr4i 2763 | . . . . 5 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅↑2) |
| 39 | 38 | oveq1i 7378 | . . . 4 ⊢ (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺)) = ((𝑅↑2) · (𝐺 ·ih 𝐺)) |
| 40 | 21, 39 | oveq12i 7380 | . . 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 7380 | . 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 2760 | 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 1542 ∈ wcel 2114 ‘cfv 6500 (class class class)co 7368 ℂcc 11036 ℝcr 11037 1c1 11039 + caddc 11041 · cmul 11043 -cneg 11377 2c2 12212 ↑cexp 13996 ∗ccj 15031 abscabs 15169 ℋchba 31007 ·ℎ csm 31009 ·ih csp 31010 −ℎ cmv 31013 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 ax-hfvadd 31088 ax-hfvmul 31093 ax-hvmulass 31095 ax-hfi 31167 ax-his1 31170 ax-his2 31171 ax-his3 31172 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-sup 9357 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-3 12221 df-n0 12414 df-z 12501 df-uz 12764 df-rp 12918 df-seq 13937 df-exp 13997 df-cj 15034 df-re 15035 df-im 15036 df-sqrt 15170 df-abs 15171 df-hvsub 31059 |
| This theorem is referenced by: normlem4 31201 |
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