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| Mirrors > Home > HSE Home > Th. List > lnopconi | Structured version Visualization version GIF version | ||
| Description: A condition equivalent to "𝑇 is continuous" when 𝑇 is linear. Theorem 3.5(iii) of [Beran] p. 99. (Contributed by NM, 7-Feb-2006.) (Proof shortened by Mario Carneiro, 17-Nov-2013.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| lnopcon.1 | ⊢ 𝑇 ∈ LinOp |
| Ref | Expression |
|---|---|
| lnopconi | ⊢ (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lnopcon.1 | . . 3 ⊢ 𝑇 ∈ LinOp | |
| 2 | nmcopex 32351 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp) → (normop‘𝑇) ∈ ℝ) | |
| 3 | 1, 2 | mpan 702 | . 2 ⊢ (𝑇 ∈ ContOp → (normop‘𝑇) ∈ ℝ) |
| 4 | nmcoplb 32352 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) | |
| 5 | 1, 4 | mp3an1 1475 | . 2 ⊢ ((𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) |
| 6 | 1 | lnopfi 32291 | . . 3 ⊢ 𝑇: ℋ⟶ ℋ |
| 7 | elcnop 32179 | . . 3 ⊢ (𝑇 ∈ ContOp ↔ (𝑇: ℋ⟶ ℋ ∧ ∀𝑥 ∈ ℋ ∀𝑧 ∈ ℝ+ ∃𝑦 ∈ ℝ+ ∀𝑤 ∈ ℋ ((normℎ‘(𝑤 −ℎ 𝑥)) < 𝑦 → (normℎ‘((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) < 𝑧))) | |
| 8 | 6, 7 | mpbiran 721 | . 2 ⊢ (𝑇 ∈ ContOp ↔ ∀𝑥 ∈ ℋ ∀𝑧 ∈ ℝ+ ∃𝑦 ∈ ℝ+ ∀𝑤 ∈ ℋ ((normℎ‘(𝑤 −ℎ 𝑥)) < 𝑦 → (normℎ‘((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) < 𝑧)) |
| 9 | 6 | ffvelcdmi 7082 | . . 3 ⊢ (𝑦 ∈ ℋ → (𝑇‘𝑦) ∈ ℋ) |
| 10 | normcl 31447 | . . 3 ⊢ ((𝑇‘𝑦) ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) | |
| 11 | 9, 10 | syl 18 | . 2 ⊢ (𝑦 ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) |
| 12 | 1 | lnopsubi 32296 | . 2 ⊢ ((𝑤 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘(𝑤 −ℎ 𝑥)) = ((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) |
| 13 | 3, 5, 8, 11, 12 | lnconi 32355 | 1 ⊢ (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∈ wcel 2150 ∀wral 3086 ∃wrex 3096 class class class wbr 5114 ⟶wf 6536 ‘cfv 6540 (class class class)co 7414 ℝcr 11102 · cmul 11108 < clt 11246 ≤ cle 11247 ℝ+crp 13019 ℋchba 31241 normℎcno 31245 −ℎ cmv 31247 normopcnop 31267 ContOpccop 31268 LinOpclo 31269 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-10 2183 ax-11 2199 ax-12 2220 ax-ext 2742 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5340 ax-pr 5408 ax-un 7736 ax-cnex 11159 ax-resscn 11160 ax-1cn 11161 ax-icn 11162 ax-addcl 11163 ax-addrcl 11164 ax-mulcl 11165 ax-mulrcl 11166 ax-mulcom 11167 ax-addass 11168 ax-mulass 11169 ax-distr 11170 ax-i2m1 11171 ax-1ne0 11172 ax-1rid 11173 ax-rnegex 11174 ax-rrecex 11175 ax-cnre 11176 ax-pre-lttri 11177 ax-pre-lttrn 11178 ax-pre-ltadd 11179 ax-pre-mulgt0 11180 ax-pre-sup 11181 ax-hilex 31321 ax-hfvadd 31322 ax-hvcom 31323 ax-hvass 31324 ax-hv0cl 31325 ax-hvaddid 31326 ax-hfvmul 31327 ax-hvmulid 31328 ax-hvmulass 31329 ax-hvdistr1 31330 ax-hvdistr2 31331 ax-hvmul0 31332 ax-hfi 31401 ax-his1 31404 ax-his2 31405 ax-his3 31406 ax-his4 31407 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2099 df-mo 2574 df-eu 2604 df-clab 2749 df-cleq 2762 df-clel 2845 df-nfc 2919 df-ne 2966 df-nel 3072 df-ral 3087 df-rex 3097 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3464 df-sbc 3753 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5560 df-eprel 5565 df-po 5573 df-so 5574 df-fr 5618 df-we 5620 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7866 df-1st 7989 df-2nd 7990 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8697 df-map 8829 df-en 8947 df-dom 8948 df-sdom 8949 df-sup 9405 df-pnf 11248 df-mnf 11249 df-xr 11250 df-ltxr 11251 df-le 11252 df-sub 11446 df-neg 11447 df-div 11875 df-nn 12237 df-2 12306 df-3 12307 df-4 12308 df-n0 12508 df-z 12595 df-uz 12866 df-rp 13020 df-seq 14041 df-exp 14101 df-cj 15153 df-re 15154 df-im 15155 df-sqrt 15289 df-abs 15290 df-grpo 30815 df-gid 30816 df-ablo 30867 df-vc 30881 df-nv 30914 df-va 30917 df-ba 30918 df-sm 30919 df-0v 30920 df-nmcv 30922 df-hnorm 31290 df-hba 31291 df-hvsub 31293 df-nmop 32161 df-cnop 32162 df-lnop 32163 df-unop 32165 |
| This theorem is referenced by: lnopcon 32357 cnlnadjlem8 32396 |
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