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| Mirrors > Home > MPE Home > Th. List > tchnmfval | Structured version Visualization version GIF version | ||
| Description: The norm of a subcomplex pre-Hilbert space augmented with norm. (Contributed by Mario Carneiro, 8-Oct-2015.) |
| Ref | Expression |
|---|---|
| tcphval.n | ⊢ 𝐺 = (toℂPreHil‘𝑊) |
| tcphnmval.n | ⊢ 𝑁 = (norm‘𝐺) |
| tcphnmval.v | ⊢ 𝑉 = (Base‘𝑊) |
| tcphnmval.h | ⊢ , = (·𝑖‘𝑊) |
| Ref | Expression |
|---|---|
| tchnmfval | ⊢ (𝑊 ∈ Grp → 𝑁 = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tcphnmval.n | . 2 ⊢ 𝑁 = (norm‘𝐺) | |
| 2 | eqid 2737 | . . . 4 ⊢ (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) | |
| 3 | fvrn0 6863 | . . . . 5 ⊢ (√‘(𝑥 , 𝑥)) ∈ (ran √ ∪ {∅}) | |
| 4 | 3 | a1i 11 | . . . 4 ⊢ (𝑥 ∈ 𝑉 → (√‘(𝑥 , 𝑥)) ∈ (ran √ ∪ {∅})) |
| 5 | 2, 4 | fmpti 7059 | . . 3 ⊢ (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))):𝑉⟶(ran √ ∪ {∅}) |
| 6 | tcphval.n | . . . . 5 ⊢ 𝐺 = (toℂPreHil‘𝑊) | |
| 7 | tcphnmval.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
| 8 | tcphnmval.h | . . . . 5 ⊢ , = (·𝑖‘𝑊) | |
| 9 | 6, 7, 8 | tcphval 25198 | . . . 4 ⊢ 𝐺 = (𝑊 toNrmGrp (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| 10 | cnex 11113 | . . . . . 6 ⊢ ℂ ∈ V | |
| 11 | sqrtf 15320 | . . . . . . 7 ⊢ √:ℂ⟶ℂ | |
| 12 | frn 6670 | . . . . . . 7 ⊢ (√:ℂ⟶ℂ → ran √ ⊆ ℂ) | |
| 13 | 11, 12 | ax-mp 5 | . . . . . 6 ⊢ ran √ ⊆ ℂ |
| 14 | 10, 13 | ssexi 5260 | . . . . 5 ⊢ ran √ ∈ V |
| 15 | p0ex 5322 | . . . . 5 ⊢ {∅} ∈ V | |
| 16 | 14, 15 | unex 7692 | . . . 4 ⊢ (ran √ ∪ {∅}) ∈ V |
| 17 | 9, 7, 16 | tngnm 24629 | . . 3 ⊢ ((𝑊 ∈ Grp ∧ (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))):𝑉⟶(ran √ ∪ {∅})) → (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (norm‘𝐺)) |
| 18 | 5, 17 | mpan2 692 | . 2 ⊢ (𝑊 ∈ Grp → (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (norm‘𝐺)) |
| 19 | 1, 18 | eqtr4id 2791 | 1 ⊢ (𝑊 ∈ Grp → 𝑁 = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ∪ cun 3888 ⊆ wss 3890 ∅c0 4274 {csn 4568 ↦ cmpt 5167 ran crn 5626 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 ℂcc 11030 √csqrt 15189 Basecbs 17173 ·𝑖cip 17219 Grpcgrp 18903 normcnm 24554 toℂPreHilctcph 25147 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-sup 9349 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-rp 12937 df-seq 13958 df-exp 14018 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-sets 17128 df-slot 17146 df-ndx 17158 df-base 17174 df-plusg 17227 df-tset 17233 df-ds 17236 df-0g 17398 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-grp 18906 df-minusg 18907 df-sbg 18908 df-nm 24560 df-tng 24562 df-tcph 25149 |
| This theorem is referenced by: tcphnmval 25209 cphtcphnm 25210 tcphds 25211 rrxnm 25371 |
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