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Mirrors > Home > MPE Home > Th. List > nvdif | Structured version Visualization version GIF version |
Description: The norm of the difference between two vectors. (Contributed by NM, 1-Dec-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
nvdif.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
nvdif.2 | ⊢ 𝐺 = ( +𝑣 ‘𝑈) |
nvdif.4 | ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) |
nvdif.6 | ⊢ 𝑁 = (normCV‘𝑈) |
Ref | Expression |
---|---|
nvdif | ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝑁‘(𝐴𝐺(-1𝑆𝐵))) = (𝑁‘(𝐵𝐺(-1𝑆𝐴)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1134 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → 𝑈 ∈ NrmCVec) | |
2 | neg1cn 12017 | . . . . . 6 ⊢ -1 ∈ ℂ | |
3 | 2 | a1i 11 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → -1 ∈ ℂ) |
4 | simp3 1136 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → 𝐵 ∈ 𝑋) | |
5 | nvdif.1 | . . . . . . . 8 ⊢ 𝑋 = (BaseSet‘𝑈) | |
6 | nvdif.4 | . . . . . . . 8 ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) | |
7 | 5, 6 | nvscl 28889 | . . . . . . 7 ⊢ ((𝑈 ∈ NrmCVec ∧ -1 ∈ ℂ ∧ 𝐴 ∈ 𝑋) → (-1𝑆𝐴) ∈ 𝑋) |
8 | 2, 7 | mp3an2 1447 | . . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (-1𝑆𝐴) ∈ 𝑋) |
9 | 8 | 3adant3 1130 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (-1𝑆𝐴) ∈ 𝑋) |
10 | nvdif.2 | . . . . . 6 ⊢ 𝐺 = ( +𝑣 ‘𝑈) | |
11 | 5, 10, 6 | nvdi 28893 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ (-1 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ∧ (-1𝑆𝐴) ∈ 𝑋)) → (-1𝑆(𝐵𝐺(-1𝑆𝐴))) = ((-1𝑆𝐵)𝐺(-1𝑆(-1𝑆𝐴)))) |
12 | 1, 3, 4, 9, 11 | syl13anc 1370 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (-1𝑆(𝐵𝐺(-1𝑆𝐴))) = ((-1𝑆𝐵)𝐺(-1𝑆(-1𝑆𝐴)))) |
13 | 5, 6 | nvnegneg 28912 | . . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (-1𝑆(-1𝑆𝐴)) = 𝐴) |
14 | 13 | 3adant3 1130 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (-1𝑆(-1𝑆𝐴)) = 𝐴) |
15 | 14 | oveq2d 7271 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → ((-1𝑆𝐵)𝐺(-1𝑆(-1𝑆𝐴))) = ((-1𝑆𝐵)𝐺𝐴)) |
16 | 5, 6 | nvscl 28889 | . . . . . . 7 ⊢ ((𝑈 ∈ NrmCVec ∧ -1 ∈ ℂ ∧ 𝐵 ∈ 𝑋) → (-1𝑆𝐵) ∈ 𝑋) |
17 | 2, 16 | mp3an2 1447 | . . . . . 6 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋) → (-1𝑆𝐵) ∈ 𝑋) |
18 | 17 | 3adant2 1129 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (-1𝑆𝐵) ∈ 𝑋) |
19 | simp2 1135 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → 𝐴 ∈ 𝑋) | |
20 | 5, 10 | nvcom 28884 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ (-1𝑆𝐵) ∈ 𝑋 ∧ 𝐴 ∈ 𝑋) → ((-1𝑆𝐵)𝐺𝐴) = (𝐴𝐺(-1𝑆𝐵))) |
21 | 1, 18, 19, 20 | syl3anc 1369 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → ((-1𝑆𝐵)𝐺𝐴) = (𝐴𝐺(-1𝑆𝐵))) |
22 | 12, 15, 21 | 3eqtrd 2782 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (-1𝑆(𝐵𝐺(-1𝑆𝐴))) = (𝐴𝐺(-1𝑆𝐵))) |
23 | 22 | fveq2d 6760 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝑁‘(-1𝑆(𝐵𝐺(-1𝑆𝐴)))) = (𝑁‘(𝐴𝐺(-1𝑆𝐵)))) |
24 | 5, 10 | nvgcl 28883 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋 ∧ (-1𝑆𝐴) ∈ 𝑋) → (𝐵𝐺(-1𝑆𝐴)) ∈ 𝑋) |
25 | 1, 4, 9, 24 | syl3anc 1369 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐵𝐺(-1𝑆𝐴)) ∈ 𝑋) |
26 | nvdif.6 | . . . 4 ⊢ 𝑁 = (normCV‘𝑈) | |
27 | 5, 6, 26 | nvm1 28928 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ (𝐵𝐺(-1𝑆𝐴)) ∈ 𝑋) → (𝑁‘(-1𝑆(𝐵𝐺(-1𝑆𝐴)))) = (𝑁‘(𝐵𝐺(-1𝑆𝐴)))) |
28 | 1, 25, 27 | syl2anc 583 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝑁‘(-1𝑆(𝐵𝐺(-1𝑆𝐴)))) = (𝑁‘(𝐵𝐺(-1𝑆𝐴)))) |
29 | 23, 28 | eqtr3d 2780 | 1 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝑁‘(𝐴𝐺(-1𝑆𝐵))) = (𝑁‘(𝐵𝐺(-1𝑆𝐴)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 1c1 10803 -cneg 11136 NrmCVeccnv 28847 +𝑣 cpv 28848 BaseSetcba 28849 ·𝑠OLD cns 28850 normCVcnmcv 28853 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-sup 9131 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-grpo 28756 df-gid 28757 df-ginv 28758 df-ablo 28808 df-vc 28822 df-nv 28855 df-va 28858 df-ba 28859 df-sm 28860 df-0v 28861 df-nmcv 28863 |
This theorem is referenced by: nvabs 28935 imsmetlem 28953 dipcj 28977 |
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