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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 32122 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp) → (normop‘𝑇) ∈ ℝ) | |
| 3 | 1, 2 | mpan 697 | . 2 ⊢ (𝑇 ∈ ContOp → (normop‘𝑇) ∈ ℝ) |
| 4 | nmcoplb 32123 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) | |
| 5 | 1, 4 | mp3an1 1457 | . 2 ⊢ ((𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) |
| 6 | 1 | lnopfi 32062 | . . 3 ⊢ 𝑇: ℋ⟶ ℋ |
| 7 | elcnop 31950 | . . 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 716 | . 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 7028 | . . 3 ⊢ (𝑦 ∈ ℋ → (𝑇‘𝑦) ∈ ℋ) |
| 10 | normcl 31218 | . . 3 ⊢ ((𝑇‘𝑦) ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) | |
| 11 | 9, 10 | syl 17 | . 2 ⊢ (𝑦 ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) |
| 12 | 1 | lnopsubi 32067 | . 2 ⊢ ((𝑤 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘(𝑤 −ℎ 𝑥)) = ((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) |
| 13 | 3, 5, 8, 11, 12 | lnconi 32126 | 1 ⊢ (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∈ wcel 2121 ∀wral 3055 ∃wrex 3065 class class class wbr 5075 ⟶wf 6485 ‘cfv 6489 (class class class)co 7360 ℝcr 11032 · cmul 11038 < clt 11174 ≤ cle 11175 ℝ+crp 12937 ℋchba 31012 normℎcno 31016 −ℎ cmv 31018 normopcnop 31038 ContOpccop 31039 LinOpclo 31040 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 ax-pre-sup 11111 ax-hilex 31092 ax-hfvadd 31093 ax-hvcom 31094 ax-hvass 31095 ax-hv0cl 31096 ax-hvaddid 31097 ax-hfvmul 31098 ax-hvmulid 31099 ax-hvmulass 31100 ax-hvdistr1 31101 ax-hvdistr2 31102 ax-hvmul0 31103 ax-hfi 31172 ax-his1 31175 ax-his2 31176 ax-his3 31177 ax-his4 31178 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-map 8769 df-en 8888 df-dom 8889 df-sdom 8890 df-sup 9349 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-div 11803 df-nn 12170 df-2 12239 df-3 12240 df-4 12241 df-n0 12433 df-z 12520 df-uz 12784 df-rp 12938 df-seq 13959 df-exp 14019 df-cj 15056 df-re 15057 df-im 15058 df-sqrt 15192 df-abs 15193 df-grpo 30586 df-gid 30587 df-ablo 30638 df-vc 30652 df-nv 30685 df-va 30688 df-ba 30689 df-sm 30690 df-0v 30691 df-nmcv 30693 df-hnorm 31061 df-hba 31062 df-hvsub 31064 df-nmop 31932 df-cnop 31933 df-lnop 31934 df-unop 31936 |
| This theorem is referenced by: lnopcon 32128 cnlnadjlem8 32167 |
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