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| Mirrors > Home > MPE Home > Th. List > nmblore | Structured version Visualization version GIF version | ||
| Description: The norm of a bounded operator is a real number. (Contributed by NM, 8-Dec-2007.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| nmblore.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
| nmblore.2 | ⊢ 𝑌 = (BaseSet‘𝑊) |
| nmblore.3 | ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) |
| nmblore.5 | ⊢ 𝐵 = (𝑈 BLnOp 𝑊) |
| Ref | Expression |
|---|---|
| nmblore | ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → (𝑁‘𝑇) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nmblore.1 | . . . 4 ⊢ 𝑋 = (BaseSet‘𝑈) | |
| 2 | nmblore.2 | . . . 4 ⊢ 𝑌 = (BaseSet‘𝑊) | |
| 3 | nmblore.5 | . . . 4 ⊢ 𝐵 = (𝑈 BLnOp 𝑊) | |
| 4 | 1, 2, 3 | blof 31388 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → 𝑇:𝑋⟶𝑌) |
| 5 | nmblore.3 | . . . 4 ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) | |
| 6 | 1, 2, 5 | nmogtmnf 31373 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇:𝑋⟶𝑌) → -∞ < (𝑁‘𝑇)) |
| 7 | 4, 6 | syld3an3 1436 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → -∞ < (𝑁‘𝑇)) |
| 8 | eqid 2760 | . . . . 5 ⊢ (𝑈 LnOp 𝑊) = (𝑈 LnOp 𝑊) | |
| 9 | 5, 8, 3 | isblo 31385 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇 ∈ 𝐵 ↔ (𝑇 ∈ (𝑈 LnOp 𝑊) ∧ (𝑁‘𝑇) < +∞))) |
| 10 | 9 | simplbda 505 | . . 3 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) ∧ 𝑇 ∈ 𝐵) → (𝑁‘𝑇) < +∞) |
| 11 | 10 | 3impa 1127 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → (𝑁‘𝑇) < +∞) |
| 12 | 1, 2, 5 | nmoxr 31369 | . . . 4 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇:𝑋⟶𝑌) → (𝑁‘𝑇) ∈ ℝ*) |
| 13 | 4, 12 | syld3an3 1436 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → (𝑁‘𝑇) ∈ ℝ*) |
| 14 | xrrebnd 13299 | . . 3 ⊢ ((𝑁‘𝑇) ∈ ℝ* → ((𝑁‘𝑇) ∈ ℝ ↔ (-∞ < (𝑁‘𝑇) ∧ (𝑁‘𝑇) < +∞))) | |
| 15 | 13, 14 | syl 18 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → ((𝑁‘𝑇) ∈ ℝ ↔ (-∞ < (𝑁‘𝑇) ∧ (𝑁‘𝑇) < +∞))) |
| 16 | 7, 11, 15 | mpbir2and 726 | 1 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec ∧ 𝑇 ∈ 𝐵) → (𝑁‘𝑇) ∈ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 class class class wbr 5102 ⟶wf 6534 ‘cfv 6538 (class class class)co 7420 ℝcr 11200 +∞cpnf 11341 -∞cmnf 11342 ℝ*cxr 11343 < clt 11344 NrmCVeccnv 31187 BaseSetcba 31189 LnOp clno 31343 normOpOLD cnmoo 31344 BLnOp cblo 31345 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11257 ax-resscn 11258 ax-1cn 11259 ax-icn 11260 ax-addcl 11261 ax-addrcl 11262 ax-mulcl 11263 ax-mulrcl 11264 ax-mulcom 11265 ax-addass 11266 ax-mulass 11267 ax-distr 11268 ax-i2m1 11269 ax-1ne0 11270 ax-1rid 11271 ax-rnegex 11272 ax-rrecex 11273 ax-cnre 11274 ax-pre-lttri 11275 ax-pre-lttrn 11276 ax-pre-ltadd 11277 ax-pre-mulgt0 11278 ax-pre-sup 11279 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8300 df-wrecs 8331 df-recs 8380 df-rdg 8419 df-er 8718 df-map 8850 df-en 8975 df-dom 8976 df-sdom 8977 df-sup 9435 df-pnf 11346 df-mnf 11347 df-xr 11348 df-ltxr 11349 df-le 11350 df-sub 11544 df-neg 11545 df-div 11975 df-nn 12337 df-2 12406 df-3 12407 df-n0 12608 df-z 12695 df-uz 12967 df-rp 13122 df-seq 14146 df-exp 14206 df-cj 15267 df-re 15268 df-im 15269 df-sqrt 15403 df-abs 15404 df-grpo 31096 df-gid 31097 df-ginv 31098 df-ablo 31148 df-vc 31162 df-nv 31195 df-va 31198 df-ba 31199 df-sm 31200 df-0v 31201 df-nmcv 31203 df-lno 31347 df-nmoo 31348 df-blo 31349 |
| This theorem is used by: nmblolbii 31402 isblo3i 31404 blocni 31408 htthlem 31520 |
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