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| Mirrors > Home > MPE Home > Th. List > cphnmf | Structured version Visualization version GIF version | ||
| Description: The norm of a vector is a member of the scalar field in a subcomplex pre-Hilbert space. (Contributed by Mario Carneiro, 9-Oct-2015.) |
| Ref | Expression |
|---|---|
| nmsq.v | ⊢ 𝑉 = (Base‘𝑊) |
| nmsq.h | ⊢ , = (·𝑖‘𝑊) |
| nmsq.n | ⊢ 𝑁 = (norm‘𝑊) |
| cphnmcl.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| cphnmcl.k | ⊢ 𝐾 = (Base‘𝐹) |
| Ref | Expression |
|---|---|
| cphnmf | ⊢ (𝑊 ∈ ℂPreHil → 𝑁:𝑉⟶𝐾) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nmsq.v | . . 3 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | nmsq.h | . . 3 ⊢ , = (·𝑖‘𝑊) | |
| 3 | nmsq.n | . . 3 ⊢ 𝑁 = (norm‘𝑊) | |
| 4 | 1, 2, 3 | cphnmfval 25320 | . 2 ⊢ (𝑊 ∈ ℂPreHil → 𝑁 = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| 5 | simpl 487 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → 𝑊 ∈ ℂPreHil) | |
| 6 | cphphl 25299 | . . . . 5 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ PreHil) | |
| 7 | 6 | adantr 485 | . . . 4 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → 𝑊 ∈ PreHil) |
| 8 | simpr 489 | . . . 4 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → 𝑥 ∈ 𝑉) | |
| 9 | cphnmcl.f | . . . . 5 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 10 | cphnmcl.k | . . . . 5 ⊢ 𝐾 = (Base‘𝐹) | |
| 11 | 9, 2, 1, 10 | ipcl 21752 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉) → (𝑥 , 𝑥) ∈ 𝐾) |
| 12 | 7, 8, 8, 11 | syl3anc 1396 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → (𝑥 , 𝑥) ∈ 𝐾) |
| 13 | 1, 2, 3 | nmsq 25322 | . . . 4 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → ((𝑁‘𝑥)↑2) = (𝑥 , 𝑥)) |
| 14 | cphngp 25301 | . . . . . 6 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ NrmGrp) | |
| 15 | 1, 3 | nmcl 24742 | . . . . . 6 ⊢ ((𝑊 ∈ NrmGrp ∧ 𝑥 ∈ 𝑉) → (𝑁‘𝑥) ∈ ℝ) |
| 16 | 14, 15 | sylan 591 | . . . . 5 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → (𝑁‘𝑥) ∈ ℝ) |
| 17 | 16 | resqcld 14161 | . . . 4 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → ((𝑁‘𝑥)↑2) ∈ ℝ) |
| 18 | 13, 17 | eqeltrrd 2870 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → (𝑥 , 𝑥) ∈ ℝ) |
| 19 | 16 | sqge0d 14173 | . . . 4 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → 0 ≤ ((𝑁‘𝑥)↑2)) |
| 20 | 19, 13 | breqtrd 5141 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → 0 ≤ (𝑥 , 𝑥)) |
| 21 | 9, 10 | cphsqrtcl 25312 | . . 3 ⊢ ((𝑊 ∈ ℂPreHil ∧ ((𝑥 , 𝑥) ∈ 𝐾 ∧ (𝑥 , 𝑥) ∈ ℝ ∧ 0 ≤ (𝑥 , 𝑥))) → (√‘(𝑥 , 𝑥)) ∈ 𝐾) |
| 22 | 5, 12, 18, 20, 21 | syl13anc 1397 | . 2 ⊢ ((𝑊 ∈ ℂPreHil ∧ 𝑥 ∈ 𝑉) → (√‘(𝑥 , 𝑥)) ∈ 𝐾) |
| 23 | 4, 22 | fmpt3d 7112 | 1 ⊢ (𝑊 ∈ ℂPreHil → 𝑁:𝑉⟶𝐾) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 class class class wbr 5113 ⟶wf 6533 ‘cfv 6537 (class class class)co 7411 ℝcr 11099 0cc0 11100 ≤ cle 11244 2c2 12295 ↑cexp 14097 √csqrt 15284 Basecbs 17269 Scalarcsca 17313 ·𝑖cip 17315 PreHilcphl 21743 normcnm 24702 NrmGrpcngp 24703 ℂPreHilccph 25294 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-pre-sup 11178 ax-addf 11179 ax-mulf 11180 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-tpos 8222 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-er 8694 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-sup 9402 df-inf 9403 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12505 df-z 12592 df-dec 12712 df-uz 12863 df-q 12973 df-rp 13017 df-xneg 13137 df-xadd 13138 df-xmul 13139 df-ico 13378 df-fz 13536 df-seq 14038 df-exp 14098 df-cj 15150 df-re 15151 df-im 15152 df-sqrt 15286 df-abs 15287 df-struct 17207 df-sets 17224 df-slot 17242 df-ndx 17254 df-base 17270 df-ress 17291 df-plusg 17323 df-mulr 17324 df-starv 17325 df-sca 17326 df-vsca 17327 df-ip 17328 df-tset 17329 df-ple 17330 df-ds 17332 df-unif 17333 df-0g 17494 df-topgen 17496 df-mgm 18698 df-sgrp 18777 df-mnd 18793 df-grp 19003 df-minusg 19004 df-subg 19189 df-ghm 19284 df-cmn 19852 df-abl 19853 df-mgp 20217 df-rng 20231 df-ur 20264 df-ring 20317 df-cring 20318 df-oppr 20419 df-dvdsr 20439 df-unit 20440 df-subrg 20655 df-drng 20815 df-lmhm 21121 df-lvec 21202 df-sra 21272 df-rgmod 21273 df-psmet 21483 df-xmet 21484 df-met 21485 df-bl 21486 df-mopn 21487 df-cnfld 21492 df-phl 21745 df-top 23020 df-topon 23037 df-topsp 23059 df-bases 23072 df-xms 24446 df-ms 24447 df-nm 24708 df-ngp 24709 df-nlm 24712 df-cph 25296 |
| This theorem is referenced by: cphnmcl 25324 |
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