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Mirrors > Home > HSE Home > Th. List > nmopxr | Structured version Visualization version GIF version |
Description: The norm of a Hilbert space operator is an extended real. (Contributed by NM, 9-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
nmopxr | ⊢ (𝑇: ℋ⟶ ℋ → (normop‘𝑇) ∈ ℝ*) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nmopval 30246 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → (normop‘𝑇) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < )) | |
2 | nmopsetretHIL 30254 | . . . 4 ⊢ (𝑇: ℋ⟶ ℋ → {𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))} ⊆ ℝ) | |
3 | ressxr 11047 | . . . 4 ⊢ ℝ ⊆ ℝ* | |
4 | 2, 3 | sstrdi 3935 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → {𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))} ⊆ ℝ*) |
5 | supxrcl 13077 | . . 3 ⊢ ({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))} ⊆ ℝ* → sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < ) ∈ ℝ*) | |
6 | 4, 5 | syl 17 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < ) ∈ ℝ*) |
7 | 1, 6 | eqeltrd 2834 | 1 ⊢ (𝑇: ℋ⟶ ℋ → (normop‘𝑇) ∈ ℝ*) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1537 ∈ wcel 2101 {cab 2710 ∃wrex 3068 ⊆ wss 3889 class class class wbr 5077 ⟶wf 6443 ‘cfv 6447 supcsup 9227 ℝcr 10898 1c1 10900 ℝ*cxr 11036 < clt 11037 ≤ cle 11038 ℋchba 29309 normℎcno 29313 normopcnop 29335 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2103 ax-9 2111 ax-10 2132 ax-11 2149 ax-12 2166 ax-ext 2704 ax-rep 5212 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7608 ax-cnex 10955 ax-resscn 10956 ax-1cn 10957 ax-icn 10958 ax-addcl 10959 ax-addrcl 10960 ax-mulcl 10961 ax-mulrcl 10962 ax-mulcom 10963 ax-addass 10964 ax-mulass 10965 ax-distr 10966 ax-i2m1 10967 ax-1ne0 10968 ax-1rid 10969 ax-rnegex 10970 ax-rrecex 10971 ax-cnre 10972 ax-pre-lttri 10973 ax-pre-lttrn 10974 ax-pre-ltadd 10975 ax-pre-mulgt0 10976 ax-pre-sup 10977 ax-hilex 29389 ax-hfvadd 29390 ax-hvcom 29391 ax-hvass 29392 ax-hv0cl 29393 ax-hvaddid 29394 ax-hfvmul 29395 ax-hvmulid 29396 ax-hvmulass 29397 ax-hvdistr1 29398 ax-hvdistr2 29399 ax-hvmul0 29400 ax-hfi 29469 ax-his1 29472 ax-his2 29473 ax-his3 29474 ax-his4 29475 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2063 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2884 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3222 df-reu 3223 df-rab 3224 df-v 3436 df-sbc 3719 df-csb 3835 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3908 df-nul 4260 df-if 4463 df-pw 4538 df-sn 4565 df-pr 4567 df-op 4571 df-uni 4842 df-iun 4929 df-br 5078 df-opab 5140 df-mpt 5161 df-tr 5195 df-id 5491 df-eprel 5497 df-po 5505 df-so 5506 df-fr 5546 df-we 5548 df-xp 5597 df-rel 5598 df-cnv 5599 df-co 5600 df-dm 5601 df-rn 5602 df-res 5603 df-ima 5604 df-pred 6206 df-ord 6273 df-on 6274 df-lim 6275 df-suc 6276 df-iota 6399 df-fun 6449 df-fn 6450 df-f 6451 df-f1 6452 df-fo 6453 df-f1o 6454 df-fv 6455 df-riota 7252 df-ov 7298 df-oprab 7299 df-mpo 7300 df-om 7733 df-1st 7851 df-2nd 7852 df-frecs 8117 df-wrecs 8148 df-recs 8222 df-rdg 8261 df-er 8518 df-map 8637 df-en 8754 df-dom 8755 df-sdom 8756 df-sup 9229 df-pnf 11039 df-mnf 11040 df-xr 11041 df-ltxr 11042 df-le 11043 df-sub 11235 df-neg 11236 df-div 11661 df-nn 12002 df-2 12064 df-3 12065 df-4 12066 df-n0 12262 df-z 12348 df-uz 12611 df-rp 12759 df-seq 13750 df-exp 13811 df-cj 14838 df-re 14839 df-im 14840 df-sqrt 14974 df-abs 14975 df-grpo 28883 df-gid 28884 df-ablo 28935 df-vc 28949 df-nv 28982 df-va 28985 df-ba 28986 df-sm 28987 df-0v 28988 df-nmcv 28990 df-hnorm 29358 df-hba 29359 df-hvsub 29361 df-nmop 30229 |
This theorem is referenced by: nmopreltpnf 30259 nmopre 30260 nmopge0 30301 nmopgt0 30302 nmophmi 30421 nmopadjlem 30479 bdophsi 30486 bdopcoi 30488 |
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