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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 32550 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp) → (normop‘𝑇) ∈ ℝ) | |
| 3 | 1, 2 | mpan 703 | . 2 ⊢ (𝑇 ∈ ContOp → (normop‘𝑇) ∈ ℝ) |
| 4 | nmcoplb 32551 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) | |
| 5 | 1, 4 | mp3an1 1477 | . 2 ⊢ ((𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) |
| 6 | 1 | lnopfi 32490 | . . 3 ⊢ 𝑇: ℋ⟶ ℋ |
| 7 | elcnop 32378 | . . 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 722 | . 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 7072 | . . 3 ⊢ (𝑦 ∈ ℋ → (𝑇‘𝑦) ∈ ℋ) |
| 10 | normcl 31646 | . . 3 ⊢ ((𝑇‘𝑦) ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) | |
| 11 | 9, 10 | syl 18 | . 2 ⊢ (𝑦 ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) |
| 12 | 1 | lnopsubi 32495 | . 2 ⊢ ((𝑤 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘(𝑤 −ℎ 𝑥)) = ((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) |
| 13 | 3, 5, 8, 11, 12 | lnconi 32554 | 1 ⊢ (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∈ wcel 2145 ∀wral 3076 ∃wrex 3086 class class class wbr 5103 ⟶wf 6524 ‘cfv 6528 (class class class)co 7409 ℝcr 11156 · cmul 11162 < clt 11300 ≤ cle 11301 ℝ+crp 13075 ℋchba 31440 normℎcno 31444 −ℎ cmv 31446 normopcnop 31466 ContOpccop 31467 LinOpclo 31468 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 ax-1cn 11215 ax-icn 11216 ax-addcl 11217 ax-addrcl 11218 ax-mulcl 11219 ax-mulrcl 11220 ax-mulcom 11221 ax-addass 11222 ax-mulass 11223 ax-distr 11224 ax-i2m1 11225 ax-1ne0 11226 ax-1rid 11227 ax-rnegex 11228 ax-rrecex 11229 ax-cnre 11230 ax-pre-lttri 11231 ax-pre-lttrn 11232 ax-pre-ltadd 11233 ax-pre-mulgt0 11234 ax-pre-sup 11235 ax-hilex 31520 ax-hfvadd 31521 ax-hvcom 31522 ax-hvass 31523 ax-hv0cl 31524 ax-hvaddid 31525 ax-hfvmul 31526 ax-hvmulid 31527 ax-hvmulass 31528 ax-hvdistr1 31529 ax-hvdistr2 31530 ax-hvmul0 31531 ax-hfi 31600 ax-his1 31603 ax-his2 31604 ax-his3 31605 ax-his4 31606 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8696 df-map 8828 df-en 8953 df-dom 8954 df-sdom 8955 df-sup 9412 df-pnf 11302 df-mnf 11303 df-xr 11304 df-ltxr 11305 df-le 11306 df-sub 11500 df-neg 11501 df-div 11929 df-nn 12291 df-2 12360 df-3 12361 df-4 12362 df-n0 12562 df-z 12649 df-uz 12921 df-rp 13076 df-seq 14099 df-exp 14159 df-cj 15219 df-re 15220 df-im 15221 df-sqrt 15355 df-abs 15356 df-grpo 31014 df-gid 31015 df-ablo 31066 df-vc 31080 df-nv 31113 df-va 31116 df-ba 31117 df-sm 31118 df-0v 31119 df-nmcv 31121 df-hnorm 31489 df-hba 31490 df-hvsub 31492 df-nmop 32360 df-cnop 32361 df-lnop 32362 df-unop 32364 |
| This theorem is used by: lnopcon 32556 cnlnadjlem8 32595 |
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