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| Mirrors > Home > MPE Home > Th. List > dipcl | Structured version Visualization version GIF version | ||
| Description: An inner product is a complex number. (Contributed by NM, 1-Feb-2007.) (Revised by Mario Carneiro, 5-May-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ipcl.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
| ipcl.7 | ⊢ 𝑃 = (·𝑖OLD‘𝑈) |
| Ref | Expression |
|---|---|
| dipcl | ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ipcl.1 | . . 3 ⊢ 𝑋 = (BaseSet‘𝑈) | |
| 2 | eqid 2763 | . . 3 ⊢ ( +𝑣 ‘𝑈) = ( +𝑣 ‘𝑈) | |
| 3 | eqid 2763 | . . 3 ⊢ ( ·𝑠OLD ‘𝑈) = ( ·𝑠OLD ‘𝑈) | |
| 4 | eqid 2763 | . . 3 ⊢ (normCV‘𝑈) = (normCV‘𝑈) | |
| 5 | ipcl.7 | . . 3 ⊢ 𝑃 = (·𝑖OLD‘𝑈) | |
| 6 | 1, 2, 3, 4, 5 | ipval 31055 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) = (Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) / 4)) |
| 7 | fzfid 14005 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (1...4) ∈ Fin) | |
| 8 | ax-icn 11154 | . . . . . . 7 ⊢ i ∈ ℂ | |
| 9 | elfznn 13577 | . . . . . . . 8 ⊢ (𝑘 ∈ (1...4) → 𝑘 ∈ ℕ) | |
| 10 | 9 | nnnn0d 12560 | . . . . . . 7 ⊢ (𝑘 ∈ (1...4) → 𝑘 ∈ ℕ0) |
| 11 | expcl 14111 | . . . . . . 7 ⊢ ((i ∈ ℂ ∧ 𝑘 ∈ ℕ0) → (i↑𝑘) ∈ ℂ) | |
| 12 | 8, 10, 11 | sylancr 598 | . . . . . 6 ⊢ (𝑘 ∈ (1...4) → (i↑𝑘) ∈ ℂ) |
| 13 | 12 | adantl 486 | . . . . 5 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝑘 ∈ (1...4)) → (i↑𝑘) ∈ ℂ) |
| 14 | 1, 2, 3, 4, 5 | ipval2lem4 31058 | . . . . . 6 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (i↑𝑘) ∈ ℂ) → (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2) ∈ ℂ) |
| 15 | 12, 14 | sylan2 604 | . . . . 5 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝑘 ∈ (1...4)) → (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2) ∈ ℂ) |
| 16 | 13, 15 | mulcld 11224 | . . . 4 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ 𝑘 ∈ (1...4)) → ((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) ∈ ℂ) |
| 17 | 7, 16 | fsumcl 15780 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) ∈ ℂ) |
| 18 | 4cn 12321 | . . . 4 ⊢ 4 ∈ ℂ | |
| 19 | 4ne0 12347 | . . . 4 ⊢ 4 ≠ 0 | |
| 20 | divcl 11873 | . . . 4 ⊢ ((Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) ∈ ℂ ∧ 4 ∈ ℂ ∧ 4 ≠ 0) → (Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) / 4) ∈ ℂ) | |
| 21 | 18, 19, 20 | mp3an23 1482 | . . 3 ⊢ (Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) ∈ ℂ → (Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) / 4) ∈ ℂ) |
| 22 | 17, 21 | syl 18 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (Σ𝑘 ∈ (1...4)((i↑𝑘) · (((normCV‘𝑈)‘(𝐴( +𝑣 ‘𝑈)((i↑𝑘)( ·𝑠OLD ‘𝑈)𝐵)))↑2)) / 4) ∈ ℂ) |
| 23 | 6, 22 | eqeltrd 2863 | 1 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) ∈ ℂ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 ‘cfv 6536 (class class class)co 7410 ℂcc 11093 0cc0 11095 1c1 11096 ici 11097 · cmul 11100 / cdiv 11866 2c2 12290 4c4 12292 ℕ0cn0 12499 ...cfz 13530 ↑cexp 14093 Σcsu 15733 NrmCVeccnv 30936 +𝑣 cpv 30937 BaseSetcba 30938 ·𝑠OLD cns 30939 normCVcnmcv 30942 ·𝑖OLDcdip 31052 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-inf2 9606 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 ax-pre-sup 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-se 5615 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9398 df-oi 9468 df-card 9921 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-div 11867 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-n0 12500 df-z 12587 df-uz 12858 df-rp 13012 df-fz 13531 df-fzo 13679 df-seq 14034 df-exp 14094 df-hash 14363 df-cj 15146 df-re 15147 df-im 15148 df-sqrt 15282 df-abs 15283 df-clim 15535 df-sum 15734 df-grpo 30845 df-ablo 30897 df-vc 30911 df-nv 30944 df-va 30947 df-ba 30948 df-sm 30949 df-0v 30950 df-nmcv 30952 df-dip 31053 |
| This theorem is referenced by: ipf 31065 ipipcj 31067 ip1ilem 31178 ip2i 31180 ipasslem1 31183 ipasslem2 31184 ipasslem4 31186 ipasslem5 31187 ipasslem7 31188 ipasslem8 31189 ipasslem9 31190 ipasslem10 31191 ipasslem11 31192 dipdi 31195 ip2dii 31196 dipassr 31198 dipsubdir 31200 dipsubdi 31201 pythi 31202 siilem1 31203 siilem2 31204 siii 31205 ipblnfi 31207 ip2eqi 31208 htthlem 31269 |
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