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Related theorems GIF version |
| Description: Lemma used to derive properties of norm. Part of Theorem 3.3(ii) of [Beran] p. 97. |
| Ref | Expression |
|---|---|
| normlem1.1 | ⊢ S ∈ ℂ |
| normlem1.2 | ⊢ F ∈ ℋ |
| normlem1.3 | ⊢ G ∈ ℋ |
| normlem2.4 | ⊢ B = -(((∗ ‘S) · (F ·i G)) + (S · (G ·i F))) |
| normlem3.5 | ⊢ A = (G ·i G) |
| normlem3.6 | ⊢ C = (F ·i 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 | recn 4098 | . . . . . 6 ⊢ R ∈ ℂ |
| 5 | 2, 4 | mulcl 4105 | . . . . 5 ⊢ (S · R) ∈ ℂ |
| 6 | normlem1.3 | . . . . 5 ⊢ G ∈ ℋ | |
| 7 | 5, 6 | hvmulcl 4990 | . . . 4 ⊢ ((S · R) ·s G) ∈ ℋ |
| 8 | 1, 7 | hvsubcl 5002 | . . 3 ⊢ (F −v ((S · R) ·s G)) ∈ ℋ |
| 9 | hiidge0t 5056 | . . 3 ⊢ ((F −v ((S · R) ·s G)) ∈ ℋ → 0 ≤ ((F −v ((S · R) ·s G)) ·i (F −v ((S · R) ·s G)))) | |
| 10 | 8, 9 | ax-mp 6 | . 2 ⊢ 0 ≤ ((F −v ((S · R) ·s G)) ·i (F −v ((S · R) ·s G))) |
| 11 | normlem2.4 | . . 3 ⊢ B = -(((∗ ‘S) · (F ·i G)) + (S · (G ·i F))) | |
| 12 | normlem3.5 | . . 3 ⊢ A = (G ·i G) | |
| 13 | normlem3.6 | . . 3 ⊢ C = (F ·i F) | |
| 14 | normlem4.8 | . . 3 ⊢ (abs ‘S) = 1 | |
| 15 | 2, 1, 6, 11, 12, 13, 3, 14 | normlem4 5066 | . 2 ⊢ ((F −v ((S · R) ·s G)) ·i (F −v ((S · R) ·s G))) = (((A · (R↑2)) + (B · R)) + C) |
| 16 | 10, 15 | breqtr 2080 | 1 ⊢ 0 ≤ (((A · (R↑2)) + (B · R)) + C) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1091 ∈ wcel 1092 class class class wbr 2054 ‘cfv 2422 (class class class)co 3001 ℂcc 4026 ℝcr 4027 0cc0 4028 1c1 4029 + caddc 4031 · cmulc 4032 -cneg 4090 ≤ cle 4092 2c2 4454 ↑cexp 4675 ∗ccj 4788 abscabs 4789 ℋ chil 4958 ·s csm 4960 −v cmv 4962 ·i csp 4963 |
| This theorem is referenced by: normlem6 5068 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 ax-reg 1078 ax-inf 1079 ax-hvaddcl 4984 ax-hvzercl 4987 ax-hvmulcl 4989 ax-hvmulass 4992 ax-hvmulzer 4995 ax-hicl 5043 ax-his1 5045 ax-his2 5046 ax-his3 5047 ax-his4 5048 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3or 582 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ne 1192 df-ral 1205 df-rex 1206 df-reu 1207 df-rab 1208 df-v 1349 df-sbc 1441 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-pss 1494 df-nul 1708 df-if 1777 df-pw 1799 df-sn 1811 df-pr 1812 df-tp 1814 df-op 1815 df-uni 1920 df-int 1966 df-iun 1996 df-tr 2042 df-br 2063 df-opab 2098 df-eprel 2122 df-id 2125 df-po 2128 df-so 2138 df-sup 2154 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 df-lim 2204 df-suc 2205 df-om 2373 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-f 2434 df-f1 2435 df-fo 2436 df-f1o 2437 df-fv 2438 df-rdg 2970 df-opr 3003 df-oprab 3004 df-1st 3087 df-2nd 3088 df-1o 3104 df-oadd 3106 df-omul 3107 df-er 3200 df-ec 3202 df-qs 3205 df-ni 3794 df-pli 3795 df-mi 3796 df-lti 3797 df-plpq 3829 df-mpq 3830 df-enq 3831 df-nq 3832 df-plq 3833 df-mq 3834 df-rq 3835 df-ltq 3836 df-1q 3837 df-np 3880 df-1p 3881 df-plp 3882 df-mp 3883 df-ltp 3884 df-plpr 3958 df-mpr 3959 df-enr 3960 df-nr 3961 df-plr 3962 df-mr 3963 df-ltr 3964 df-0r 3965 df-1r 3966 df-m1r 3967 df-c 4034 df-0 4035 df-1 4036 df-i 4037 df-r 4038 df-plus 4039 df-mul 4040 df-lt 4041 df-sub 4133 df-neg 4135 df-div 4216 df-le 4277 df-n 4423 df-2 4462 df-n0 4535 df-z 4564 df-seq 4661 df-exp 4676 df-sqr 4728 df-re 4790 df-im 4791 df-cj 4792 df-abs 4793 df-hvsub 4996 |