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Mirrors > Home > HSE Home > Th. List > normlem5 | 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, 10-Aug-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
normlem1.1 | ⊢ 𝑆 ∈ ℂ |
normlem1.2 | ⊢ 𝐹 ∈ ℋ |
normlem1.3 | ⊢ 𝐺 ∈ ℋ |
normlem2.4 | ⊢ 𝐵 = -(((∗‘𝑆) · (𝐹 ·ih 𝐺)) + (𝑆 · (𝐺 ·ih 𝐹))) |
normlem3.5 | ⊢ 𝐴 = (𝐺 ·ih 𝐺) |
normlem3.6 | ⊢ 𝐶 = (𝐹 ·ih 𝐹) |
normlem4.7 | ⊢ 𝑅 ∈ ℝ |
normlem4.8 | ⊢ (abs‘𝑆) = 1 |
Ref | Expression |
---|---|
normlem5 | ⊢ 0 ≤ (((𝐴 · (𝑅↑2)) + (𝐵 · 𝑅)) + 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | normlem1.2 | . . . 4 ⊢ 𝐹 ∈ ℋ | |
2 | normlem1.1 | . . . . . 6 ⊢ 𝑆 ∈ ℂ | |
3 | normlem4.7 | . . . . . . 7 ⊢ 𝑅 ∈ ℝ | |
4 | 3 | recni 10641 | . . . . . 6 ⊢ 𝑅 ∈ ℂ |
5 | 2, 4 | mulcli 10634 | . . . . 5 ⊢ (𝑆 · 𝑅) ∈ ℂ |
6 | normlem1.3 | . . . . 5 ⊢ 𝐺 ∈ ℋ | |
7 | 5, 6 | hvmulcli 28775 | . . . 4 ⊢ ((𝑆 · 𝑅) ·ℎ 𝐺) ∈ ℋ |
8 | 1, 7 | hvsubcli 28782 | . . 3 ⊢ (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ∈ ℋ |
9 | hiidge0 28859 | . . 3 ⊢ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ∈ ℋ → 0 ≤ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)))) | |
10 | 8, 9 | ax-mp 5 | . 2 ⊢ 0 ≤ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺))) |
11 | normlem2.4 | . . 3 ⊢ 𝐵 = -(((∗‘𝑆) · (𝐹 ·ih 𝐺)) + (𝑆 · (𝐺 ·ih 𝐹))) | |
12 | normlem3.5 | . . 3 ⊢ 𝐴 = (𝐺 ·ih 𝐺) | |
13 | normlem3.6 | . . 3 ⊢ 𝐶 = (𝐹 ·ih 𝐹) | |
14 | normlem4.8 | . . 3 ⊢ (abs‘𝑆) = 1 | |
15 | 2, 1, 6, 11, 12, 13, 3, 14 | normlem4 28874 | . 2 ⊢ ((𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺)) ·ih (𝐹 −ℎ ((𝑆 · 𝑅) ·ℎ 𝐺))) = (((𝐴 · (𝑅↑2)) + (𝐵 · 𝑅)) + 𝐶) |
16 | 10, 15 | breqtri 5077 | 1 ⊢ 0 ≤ (((𝐴 · (𝑅↑2)) + (𝐵 · 𝑅)) + 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 class class class wbr 5052 ‘cfv 6341 (class class class)co 7142 ℂcc 10521 ℝcr 10522 0cc0 10523 1c1 10524 + caddc 10526 · cmul 10528 ≤ cle 10662 -cneg 10857 2c2 11679 ↑cexp 13419 ∗ccj 14440 abscabs 14578 ℋchba 28680 ·ℎ csm 28682 ·ih csp 28683 −ℎ cmv 28686 |
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 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 ax-un 7447 ax-cnex 10579 ax-resscn 10580 ax-1cn 10581 ax-icn 10582 ax-addcl 10583 ax-addrcl 10584 ax-mulcl 10585 ax-mulrcl 10586 ax-mulcom 10587 ax-addass 10588 ax-mulass 10589 ax-distr 10590 ax-i2m1 10591 ax-1ne0 10592 ax-1rid 10593 ax-rnegex 10594 ax-rrecex 10595 ax-cnre 10596 ax-pre-lttri 10597 ax-pre-lttrn 10598 ax-pre-ltadd 10599 ax-pre-mulgt0 10600 ax-pre-sup 10601 ax-hfvadd 28761 ax-hv0cl 28764 ax-hfvmul 28766 ax-hvmulass 28768 ax-hvmul0 28771 ax-hfi 28840 ax-his1 28843 ax-his2 28844 ax-his3 28845 ax-his4 28846 |
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 3488 df-sbc 3764 df-csb 3872 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-pss 3942 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-tp 4558 df-op 4560 df-uni 4825 df-iun 4907 df-br 5053 df-opab 5115 df-mpt 5133 df-tr 5159 df-id 5446 df-eprel 5451 df-po 5460 df-so 5461 df-fr 5500 df-we 5502 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-pred 6134 df-ord 6180 df-on 6181 df-lim 6182 df-suc 6183 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-riota 7100 df-ov 7145 df-oprab 7146 df-mpo 7147 df-om 7567 df-2nd 7676 df-wrecs 7933 df-recs 7994 df-rdg 8032 df-er 8275 df-en 8496 df-dom 8497 df-sdom 8498 df-sup 8892 df-pnf 10663 df-mnf 10664 df-xr 10665 df-ltxr 10666 df-le 10667 df-sub 10858 df-neg 10859 df-div 11284 df-nn 11625 df-2 11687 df-3 11688 df-n0 11885 df-z 11969 df-uz 12231 df-rp 12377 df-seq 13360 df-exp 13420 df-cj 14443 df-re 14444 df-im 14445 df-sqrt 14579 df-abs 14580 df-hvsub 28732 |
This theorem is referenced by: normlem6 28876 |
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