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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 11362 | . . . 4 ⊢ 𝑅 ∈ ℂ |
| 4 | 1, 3 | mulcli 11355 | . . 3 ⊢ (𝑆 · 𝑅) ∈ ℂ |
| 5 | normlem1.2 | . . 3 ⊢ 𝐹 ∈ ℋ | |
| 6 | normlem1.3 | . . 3 ⊢ 𝐺 ∈ ℋ | |
| 7 | 4, 5, 6 | normlem0 31768 | . 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 15399 | . . . . . . . 8 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · (∗‘𝑅)) |
| 9 | 3 | cjrebi 15384 | . . . . . . . . . 10 ⊢ (𝑅 ∈ ℝ ↔ (∗‘𝑅) = 𝑅) |
| 10 | 2, 9 | mpbi 233 | . . . . . . . . 9 ⊢ (∗‘𝑅) = 𝑅 |
| 11 | 10 | oveq2i 7462 | . . . . . . . 8 ⊢ ((∗‘𝑆) · (∗‘𝑅)) = ((∗‘𝑆) · 𝑅) |
| 12 | 8, 11 | eqtri 2786 | . . . . . . 7 ⊢ (∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · 𝑅) |
| 13 | 12 | negeqi 11589 | . . . . . 6 ⊢ -(∗‘(𝑆 · 𝑅)) = -((∗‘𝑆) · 𝑅) |
| 14 | 1 | cjcli 15379 | . . . . . . 7 ⊢ (∗‘𝑆) ∈ ℂ |
| 15 | 14, 3 | mulneg2i 11802 | . . . . . 6 ⊢ ((∗‘𝑆) · -𝑅) = -((∗‘𝑆) · 𝑅) |
| 16 | 13, 15 | eqtr4i 2789 | . . . . 5 ⊢ -(∗‘(𝑆 · 𝑅)) = ((∗‘𝑆) · -𝑅) |
| 17 | 16 | oveq1i 7461 | . . . 4 ⊢ ( -(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺)) = (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺)) |
| 18 | 17 | oveq2i 7462 | . . 3 ⊢ ((𝐹 ·ih 𝐹) + ( -(∗‘(𝑆 · 𝑅)) · (𝐹 ·ih 𝐺))) = ((𝐹 ·ih 𝐹) + (((∗‘𝑆) · -𝑅) · (𝐹 ·ih 𝐺))) |
| 19 | 1, 3 | mulneg2i 11802 | . . . . . 6 ⊢ (𝑆 · -𝑅) = -(𝑆 · 𝑅) |
| 20 | 19 | eqcomi 2772 | . . . . 5 ⊢ -(𝑆 · 𝑅) = (𝑆 · -𝑅) |
| 21 | 20 | oveq1i 7461 | . . . 4 ⊢ ( -(𝑆 · 𝑅) · (𝐺 ·ih 𝐹)) = ((𝑆 · -𝑅) · (𝐺 ·ih 𝐹)) |
| 22 | 8 | oveq2i 7462 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) |
| 23 | 3 | cjcli 15379 | . . . . . . . . 9 ⊢ (∗‘𝑅) ∈ ℂ |
| 24 | 1, 3, 14, 23 | mul4i 11546 | . . . . . . . 8 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) |
| 25 | normlem1.5 | . . . . . . . . . . . 12 ⊢ (abs‘𝑆) = 1 | |
| 26 | 25 | oveq1i 7461 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (1↑2) |
| 27 | 1 | absvalsqi 15605 | . . . . . . . . . . 11 ⊢ ((abs‘𝑆)↑2) = (𝑆 · (∗‘𝑆)) |
| 28 | sq1 14378 | . . . . . . . . . . 11 ⊢ (1↑2) = 1 | |
| 29 | 26, 27, 28 | 3eqtr3i 2794 | . . . . . . . . . 10 ⊢ (𝑆 · (∗‘𝑆)) = 1 |
| 30 | 10 | oveq2i 7462 | . . . . . . . . . 10 ⊢ (𝑅 · (∗‘𝑅)) = (𝑅 · 𝑅) |
| 31 | 29, 30 | oveq12i 7463 | . . . . . . . . 9 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (1 · (𝑅 · 𝑅)) |
| 32 | 3, 3 | mulcli 11355 | . . . . . . . . . 10 ⊢ (𝑅 · 𝑅) ∈ ℂ |
| 33 | 32 | mullidi 11353 | . . . . . . . . 9 ⊢ (1 · (𝑅 · 𝑅)) = (𝑅 · 𝑅) |
| 34 | 31, 33 | eqtri 2786 | . . . . . . . 8 ⊢ ((𝑆 · (∗‘𝑆)) · (𝑅 · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 35 | 24, 34 | eqtri 2786 | . . . . . . 7 ⊢ ((𝑆 · 𝑅) · ((∗‘𝑆) · (∗‘𝑅))) = (𝑅 · 𝑅) |
| 36 | 22, 35 | eqtri 2786 | . . . . . 6 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅 · 𝑅) |
| 37 | 3 | sqvali 14363 | . . . . . 6 ⊢ (𝑅↑2) = (𝑅 · 𝑅) |
| 38 | 36, 37 | eqtr4i 2789 | . . . . 5 ⊢ ((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) = (𝑅↑2) |
| 39 | 38 | oveq1i 7461 | . . . 4 ⊢ (((𝑆 · 𝑅) · (∗‘(𝑆 · 𝑅))) · (𝐺 ·ih 𝐺)) = ((𝑅↑2) · (𝐺 ·ih 𝐺)) |
| 40 | 21, 39 | oveq12i 7463 | . . 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 7463 | . 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 2786 | 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 |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2147 ‘cfv 6566 (class class class)co 7451 ℂcc 11237 ℝcr 11238 1c1 11240 + caddc 11242 · cmul 11244 -cneg 11581 2c2 12437 ↑cexp 14244 ∗ccj 15306 abscabs 15444 ℋchba 31578 ·ℎ csm 31580 ·ih csp 31581 −ℎ cmv 31584 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 ax-hfvadd 31659 ax-hfvmul 31664 ax-hvmulass 31666 ax-hfi 31738 ax-his1 31741 ax-his2 31742 ax-his3 31743 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-sup 9471 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-n0 12647 df-z 12734 df-uz 13006 df-rp 13161 df-seq 14185 df-exp 14245 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-hvsub 31630 |
| This theorem is used by: normlem4 31772 |
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