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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 25178 | . . . 4 ⊢ 𝐺 = (𝑊 toNrmGrp (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| 10 | cnex 11111 | . . . . . 6 ⊢ ℂ ∈ V | |
| 11 | sqrtf 15291 | . . . . . . 7 ⊢ √:ℂ⟶ℂ | |
| 12 | frn 6670 | . . . . . . 7 ⊢ (√:ℂ⟶ℂ → ran √ ⊆ ℂ) | |
| 13 | 11, 12 | ax-mp 5 | . . . . . 6 ⊢ ran √ ⊆ ℂ |
| 14 | 10, 13 | ssexi 5268 | . . . . 5 ⊢ ran √ ∈ V |
| 15 | p0ex 5330 | . . . . 5 ⊢ {∅} ∈ V | |
| 16 | 14, 15 | unex 7691 | . . . 4 ⊢ (ran √ ∪ {∅}) ∈ V |
| 17 | 9, 7, 16 | tngnm 24599 | . . 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 3900 ⊆ wss 3902 ∅c0 4286 {csn 4581 ↦ cmpt 5180 ran crn 5626 ⟶wf 6489 ‘cfv 6493 (class class class)co 7360 ℂcc 11028 √csqrt 15160 Basecbs 17140 ·𝑖cip 17186 Grpcgrp 18867 normcnm 24524 toℂPreHilctcph 25127 |
| 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 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 ax-pre-mulgt0 11107 ax-pre-sup 11108 |
| 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 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 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 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 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 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12150 df-2 12212 df-3 12213 df-4 12214 df-5 12215 df-6 12216 df-7 12217 df-8 12218 df-9 12219 df-n0 12406 df-z 12493 df-dec 12612 df-uz 12756 df-rp 12910 df-seq 13929 df-exp 13989 df-cj 15026 df-re 15027 df-im 15028 df-sqrt 15162 df-abs 15163 df-sets 17095 df-slot 17113 df-ndx 17125 df-base 17141 df-plusg 17194 df-tset 17200 df-ds 17203 df-0g 17365 df-mgm 18569 df-sgrp 18648 df-mnd 18664 df-grp 18870 df-minusg 18871 df-sbg 18872 df-nm 24530 df-tng 24532 df-tcph 25129 |
| This theorem is referenced by: tcphnmval 25189 cphtcphnm 25190 tcphds 25191 rrxnm 25351 |
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