| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2760 | . . . 4 ⊢ (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) | |
| 3 | fvrn0 6909 | . . . . 5 ⊢ (√‘(𝑥 , 𝑥)) ∈ (ran √ ∪ {∅}) | |
| 4 | 3 | a1i 11 | . . . 4 ⊢ (𝑥 ∈ 𝑉 → (√‘(𝑥 , 𝑥)) ∈ (ran √ ∪ {∅})) |
| 5 | 2, 4 | fmpti 7108 | . . 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 25478 | . . . 4 ⊢ 𝐺 = (𝑊 toNrmGrp (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| 10 | cnex 11230 | . . . . . 6 ⊢ ℂ ∈ V | |
| 11 | sqrtf 15476 | . . . . . . 7 ⊢ √:ℂ⟶ℂ | |
| 12 | frn 6713 | . . . . . . 7 ⊢ (√:ℂ⟶ℂ → ran √ ⊆ ℂ) | |
| 13 | 11, 12 | ax-mp 5 | . . . . . 6 ⊢ ran √ ⊆ ℂ |
| 14 | 10, 13 | ssexi 5287 | . . . . 5 ⊢ ran √ ∈ V |
| 15 | p0ex 5349 | . . . . 5 ⊢ {∅} ∈ V | |
| 16 | 14, 15 | unex 7752 | . . . 4 ⊢ (ran √ ∪ {∅}) ∈ V |
| 17 | 9, 7, 16 | tngnm 24909 | . . 3 ⊢ ((𝑊 ∈ Grp ∧ (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))):𝑉⟶(ran √ ∪ {∅})) → (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (norm‘𝐺)) |
| 18 | 5, 17 | mpan2 704 | . 2 ⊢ (𝑊 ∈ Grp → (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥))) = (norm‘𝐺)) |
| 19 | 1, 18 | eqtr4id 2814 | 1 ⊢ (𝑊 ∈ Grp → 𝑁 = (𝑥 ∈ 𝑉 ↦ (√‘(𝑥 , 𝑥)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∪ cun 3897 ⊆ wss 3899 ∅c0 4279 {csn 4584 ↦ cmpt 5186 ran crn 5656 ⟶wf 6531 ‘cfv 6535 (class class class)co 7416 ℂcc 11147 √csqrt 15345 Basecbs 17326 ·𝑖cip 17372 Grpcgrp 19083 normcnm 24834 toℂPreHilctcph 25427 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7742 ax-cnex 11205 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 ax-pre-mulgt0 11226 ax-pre-sup 11227 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6301 df-ord 6362 df-on 6363 df-lim 6364 df-suc 6365 df-iota 6491 df-fun 6537 df-fn 6538 df-f 6539 df-f1 6540 df-fo 6541 df-f1o 6542 df-fv 6543 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-er 8703 df-en 8960 df-dom 8961 df-sdom 8962 df-sup 9419 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11492 df-neg 11493 df-div 11921 df-nn 12283 df-2 12352 df-3 12353 df-4 12354 df-5 12355 df-6 12356 df-7 12357 df-8 12358 df-9 12359 df-n0 12554 df-z 12641 df-dec 12762 df-uz 12913 df-rp 13068 df-seq 14091 df-exp 14151 df-cj 15211 df-re 15212 df-im 15213 df-sqrt 15347 df-abs 15348 df-sets 17281 df-slot 17299 df-ndx 17311 df-base 17327 df-plusg 17380 df-tset 17386 df-ds 17389 df-0g 17551 df-mgm 18755 df-sgrp 18847 df-mnd 18863 df-grp 19086 df-minusg 19087 df-sbg 19088 df-nm 24840 df-tng 24842 df-tcph 25429 |
| This theorem is used by: tcphnmval 25489 cphtcphnm 25490 tcphds 25491 rrxnm 25651 |
| Copyright terms: Public domain | W3C validator |