| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > normge0 | Structured version Visualization version GIF version | ||
| Description: The norm of a vector is nonnegative. (Contributed by NM, 29-May-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| normge0 | ⊢ (𝐴 ∈ ℋ → 0 ≤ (normℎ‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hiidrcl 31352 | . . 3 ⊢ (𝐴 ∈ ℋ → (𝐴 ·ih 𝐴) ∈ ℝ) | |
| 2 | hiidge0 31355 | . . 3 ⊢ (𝐴 ∈ ℋ → 0 ≤ (𝐴 ·ih 𝐴)) | |
| 3 | 1, 2 | sqrtge0d 15460 | . 2 ⊢ (𝐴 ∈ ℋ → 0 ≤ (√‘(𝐴 ·ih 𝐴))) |
| 4 | normval 31381 | . 2 ⊢ (𝐴 ∈ ℋ → (normℎ‘𝐴) = (√‘(𝐴 ·ih 𝐴))) | |
| 5 | 3, 4 | breqtrrd 5132 | 1 ⊢ (𝐴 ∈ ℋ → 0 ≤ (normℎ‘𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 class class class wbr 5104 ‘cfv 6525 (class class class)co 7400 0cc0 11088 ≤ cle 11232 √csqrt 15272 ℋchba 31176 ·ih csp 31179 normℎcno 31180 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 ax-pre-sup 11166 ax-hv0cl 31260 ax-hvmul0 31267 ax-hfi 31336 ax-his1 31339 ax-his3 31341 ax-his4 31342 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5105 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-sup 9390 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-div 11860 df-nn 12222 df-2 12291 df-3 12292 df-n0 12493 df-z 12580 df-uz 12851 df-rp 13005 df-seq 14026 df-exp 14086 df-cj 15138 df-re 15139 df-im 15140 df-sqrt 15274 df-hnorm 31225 |
| This theorem is referenced by: norm-i 31386 normpyc 31403 bcsiALT 31436 bcs2 31439 pjhthlem1 31648 chscllem2 31895 pjdifnormii 31940 pjneli 31980 nmopge0 32168 unopnorm 32174 lnconi 32290 cnlnadjlem2 32325 cnlnadjlem7 32330 nmopcoadji 32358 leopnmid 32395 pjnormssi 32425 pjssposi 32429 hstle1 32483 hstle 32487 strlem3a 32509 strlem5 32512 jplem1 32525 cdj1i 32690 cdj3lem1 32691 cdj3lem2b 32694 |
| Copyright terms: Public domain | W3C validator |