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Mirrors > Home > HSE Home > Th. List > nmopge0 | Structured version Visualization version GIF version |
Description: The norm of any Hilbert space operator is nonnegative. (Contributed by NM, 9-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
nmopge0 | ⊢ (𝑇: ℋ⟶ ℋ → 0 ≤ (normop‘𝑇)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-hv0cl 27244 | . . . 4 ⊢ 0ℎ ∈ ℋ | |
2 | ffvelrn 6265 | . . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 0ℎ ∈ ℋ) → (𝑇‘0ℎ) ∈ ℋ) | |
3 | 1, 2 | mpan2 703 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → (𝑇‘0ℎ) ∈ ℋ) |
4 | normge0 27367 | . . 3 ⊢ ((𝑇‘0ℎ) ∈ ℋ → 0 ≤ (normℎ‘(𝑇‘0ℎ))) | |
5 | 3, 4 | syl 17 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → 0 ≤ (normℎ‘(𝑇‘0ℎ))) |
6 | norm0 27369 | . . . 4 ⊢ (normℎ‘0ℎ) = 0 | |
7 | 0le1 10430 | . . . 4 ⊢ 0 ≤ 1 | |
8 | 6, 7 | eqbrtri 4604 | . . 3 ⊢ (normℎ‘0ℎ) ≤ 1 |
9 | nmoplb 28150 | . . 3 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 0ℎ ∈ ℋ ∧ (normℎ‘0ℎ) ≤ 1) → (normℎ‘(𝑇‘0ℎ)) ≤ (normop‘𝑇)) | |
10 | 1, 8, 9 | mp3an23 1408 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → (normℎ‘(𝑇‘0ℎ)) ≤ (normop‘𝑇)) |
11 | normcl 27366 | . . . . 5 ⊢ ((𝑇‘0ℎ) ∈ ℋ → (normℎ‘(𝑇‘0ℎ)) ∈ ℝ) | |
12 | 3, 11 | syl 17 | . . . 4 ⊢ (𝑇: ℋ⟶ ℋ → (normℎ‘(𝑇‘0ℎ)) ∈ ℝ) |
13 | 12 | rexrd 9968 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → (normℎ‘(𝑇‘0ℎ)) ∈ ℝ*) |
14 | nmopxr 28109 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → (normop‘𝑇) ∈ ℝ*) | |
15 | 0xr 9965 | . . . 4 ⊢ 0 ∈ ℝ* | |
16 | xrletr 11865 | . . . 4 ⊢ ((0 ∈ ℝ* ∧ (normℎ‘(𝑇‘0ℎ)) ∈ ℝ* ∧ (normop‘𝑇) ∈ ℝ*) → ((0 ≤ (normℎ‘(𝑇‘0ℎ)) ∧ (normℎ‘(𝑇‘0ℎ)) ≤ (normop‘𝑇)) → 0 ≤ (normop‘𝑇))) | |
17 | 15, 16 | mp3an1 1403 | . . 3 ⊢ (((normℎ‘(𝑇‘0ℎ)) ∈ ℝ* ∧ (normop‘𝑇) ∈ ℝ*) → ((0 ≤ (normℎ‘(𝑇‘0ℎ)) ∧ (normℎ‘(𝑇‘0ℎ)) ≤ (normop‘𝑇)) → 0 ≤ (normop‘𝑇))) |
18 | 13, 14, 17 | syl2anc 691 | . 2 ⊢ (𝑇: ℋ⟶ ℋ → ((0 ≤ (normℎ‘(𝑇‘0ℎ)) ∧ (normℎ‘(𝑇‘0ℎ)) ≤ (normop‘𝑇)) → 0 ≤ (normop‘𝑇))) |
19 | 5, 10, 18 | mp2and 711 | 1 ⊢ (𝑇: ℋ⟶ ℋ → 0 ≤ (normop‘𝑇)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∈ wcel 1977 class class class wbr 4583 ⟶wf 5800 ‘cfv 5804 ℝcr 9814 0cc0 9815 1c1 9816 ℝ*cxr 9952 ≤ cle 9954 ℋchil 27160 normℎcno 27164 0ℎc0v 27165 normopcnop 27186 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 ax-hilex 27240 ax-hfvadd 27241 ax-hvcom 27242 ax-hvass 27243 ax-hv0cl 27244 ax-hvaddid 27245 ax-hfvmul 27246 ax-hvmulid 27247 ax-hvmulass 27248 ax-hvdistr1 27249 ax-hvdistr2 27250 ax-hvmul0 27251 ax-hfi 27320 ax-his1 27323 ax-his2 27324 ax-his3 27325 ax-his4 27326 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-sdom 7844 df-sup 8231 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-seq 12664 df-exp 12723 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-grpo 26731 df-gid 26732 df-ablo 26783 df-vc 26798 df-nv 26831 df-va 26834 df-ba 26835 df-sm 26836 df-0v 26837 df-nmcv 26839 df-hnorm 27209 df-hba 27210 df-hvsub 27212 df-nmop 28082 |
This theorem is referenced by: nmopgt0 28155 nmophmi 28274 cnlnadjlem7 28316 nmopadjlem 28332 nmopcoadji 28344 opsqrlem1 28383 |
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