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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 31977 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp) → (normop‘𝑇) ∈ ℝ) | |
| 3 | 1, 2 | mpan 690 | . 2 ⊢ (𝑇 ∈ ContOp → (normop‘𝑇) ∈ ℝ) |
| 4 | nmcoplb 31978 | . . 3 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) | |
| 5 | 1, 4 | mp3an1 1450 | . 2 ⊢ ((𝑇 ∈ ContOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) |
| 6 | 1 | lnopfi 31917 | . . 3 ⊢ 𝑇: ℋ⟶ ℋ |
| 7 | elcnop 31805 | . . 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 709 | . 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 7017 | . . 3 ⊢ (𝑦 ∈ ℋ → (𝑇‘𝑦) ∈ ℋ) |
| 10 | normcl 31073 | . . 3 ⊢ ((𝑇‘𝑦) ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) | |
| 11 | 9, 10 | syl 17 | . 2 ⊢ (𝑦 ∈ ℋ → (normℎ‘(𝑇‘𝑦)) ∈ ℝ) |
| 12 | 1 | lnopsubi 31922 | . 2 ⊢ ((𝑤 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘(𝑤 −ℎ 𝑥)) = ((𝑇‘𝑤) −ℎ (𝑇‘𝑥))) |
| 13 | 3, 5, 8, 11, 12 | lnconi 31981 | 1 ⊢ (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2109 ∀wral 3044 ∃wrex 3053 class class class wbr 5092 ⟶wf 6478 ‘cfv 6482 (class class class)co 7349 ℝcr 11008 · cmul 11014 < clt 11149 ≤ cle 11150 ℝ+crp 12893 ℋchba 30867 normℎcno 30871 −ℎ cmv 30873 normopcnop 30893 ContOpccop 30894 LinOpclo 30895 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-pre-sup 11087 ax-hilex 30947 ax-hfvadd 30948 ax-hvcom 30949 ax-hvass 30950 ax-hv0cl 30951 ax-hvaddid 30952 ax-hfvmul 30953 ax-hvmulid 30954 ax-hvmulass 30955 ax-hvdistr1 30956 ax-hvdistr2 30957 ax-hvmul0 30958 ax-hfi 31027 ax-his1 31030 ax-his2 31031 ax-his3 31032 ax-his4 31033 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-er 8625 df-map 8755 df-en 8873 df-dom 8874 df-sdom 8875 df-sup 9332 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-div 11778 df-nn 12129 df-2 12191 df-3 12192 df-4 12193 df-n0 12385 df-z 12472 df-uz 12736 df-rp 12894 df-seq 13909 df-exp 13969 df-cj 15006 df-re 15007 df-im 15008 df-sqrt 15142 df-abs 15143 df-grpo 30441 df-gid 30442 df-ablo 30493 df-vc 30507 df-nv 30540 df-va 30543 df-ba 30544 df-sm 30545 df-0v 30546 df-nmcv 30548 df-hnorm 30916 df-hba 30917 df-hvsub 30919 df-nmop 31787 df-cnop 31788 df-lnop 31789 df-unop 31791 |
| This theorem is referenced by: lnopcon 31983 cnlnadjlem8 32022 |
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