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Mirrors > Home > HSE Home > Th. List > lnopcnbd | Structured version Visualization version GIF version |
Description: A linear operator is continuous iff it is bounded. (Contributed by NM, 14-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
lnopcnbd | ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ ContOp ↔ 𝑇 ∈ BndLinOp)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nmcopex 30918 | . . . 4 ⊢ ((𝑇 ∈ LinOp ∧ 𝑇 ∈ ContOp) → (normop‘𝑇) ∈ ℝ) | |
2 | 1 | ex 413 | . . 3 ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ ContOp → (normop‘𝑇) ∈ ℝ)) |
3 | elbdop2 30760 | . . . 4 ⊢ (𝑇 ∈ BndLinOp ↔ (𝑇 ∈ LinOp ∧ (normop‘𝑇) ∈ ℝ)) | |
4 | 3 | baibr 537 | . . 3 ⊢ (𝑇 ∈ LinOp → ((normop‘𝑇) ∈ ℝ ↔ 𝑇 ∈ BndLinOp)) |
5 | 2, 4 | sylibd 238 | . 2 ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ ContOp → 𝑇 ∈ BndLinOp)) |
6 | nmopre 30759 | . . . 4 ⊢ (𝑇 ∈ BndLinOp → (normop‘𝑇) ∈ ℝ) | |
7 | nmbdoplb 30914 | . . . . 5 ⊢ ((𝑇 ∈ BndLinOp ∧ 𝑦 ∈ ℋ) → (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) | |
8 | 7 | ralrimiva 3143 | . . . 4 ⊢ (𝑇 ∈ BndLinOp → ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) |
9 | oveq1 7363 | . . . . . . 7 ⊢ (𝑥 = (normop‘𝑇) → (𝑥 · (normℎ‘𝑦)) = ((normop‘𝑇) · (normℎ‘𝑦))) | |
10 | 9 | breq2d 5117 | . . . . . 6 ⊢ (𝑥 = (normop‘𝑇) → ((normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦)) ↔ (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦)))) |
11 | 10 | ralbidv 3174 | . . . . 5 ⊢ (𝑥 = (normop‘𝑇) → (∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦)) ↔ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦)))) |
12 | 11 | rspcev 3581 | . . . 4 ⊢ (((normop‘𝑇) ∈ ℝ ∧ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ ((normop‘𝑇) · (normℎ‘𝑦))) → ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
13 | 6, 8, 12 | syl2anc 584 | . . 3 ⊢ (𝑇 ∈ BndLinOp → ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦))) |
14 | lnopcon 30924 | . . 3 ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ ContOp ↔ ∃𝑥 ∈ ℝ ∀𝑦 ∈ ℋ (normℎ‘(𝑇‘𝑦)) ≤ (𝑥 · (normℎ‘𝑦)))) | |
15 | 13, 14 | syl5ibr 245 | . 2 ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ BndLinOp → 𝑇 ∈ ContOp)) |
16 | 5, 15 | impbid 211 | 1 ⊢ (𝑇 ∈ LinOp → (𝑇 ∈ ContOp ↔ 𝑇 ∈ BndLinOp)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 = wceq 1541 ∈ wcel 2106 ∀wral 3064 ∃wrex 3073 class class class wbr 5105 ‘cfv 6496 (class class class)co 7356 ℝcr 11049 · cmul 11055 ≤ cle 11189 ℋchba 29808 normℎcno 29812 normopcnop 29834 ContOpccop 29835 LinOpclo 29836 BndLinOpcbo 29837 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7671 ax-inf2 9576 ax-cc 10370 ax-cnex 11106 ax-resscn 11107 ax-1cn 11108 ax-icn 11109 ax-addcl 11110 ax-addrcl 11111 ax-mulcl 11112 ax-mulrcl 11113 ax-mulcom 11114 ax-addass 11115 ax-mulass 11116 ax-distr 11117 ax-i2m1 11118 ax-1ne0 11119 ax-1rid 11120 ax-rnegex 11121 ax-rrecex 11122 ax-cnre 11123 ax-pre-lttri 11124 ax-pre-lttrn 11125 ax-pre-ltadd 11126 ax-pre-mulgt0 11127 ax-pre-sup 11128 ax-addf 11129 ax-mulf 11130 ax-hilex 29888 ax-hfvadd 29889 ax-hvcom 29890 ax-hvass 29891 ax-hv0cl 29892 ax-hvaddid 29893 ax-hfvmul 29894 ax-hvmulid 29895 ax-hvmulass 29896 ax-hvdistr1 29897 ax-hvdistr2 29898 ax-hvmul0 29899 ax-hfi 29968 ax-his1 29971 ax-his2 29972 ax-his3 29973 ax-his4 29974 ax-hcompl 30091 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-iin 4957 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-se 5589 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-isom 6505 df-riota 7312 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7616 df-om 7802 df-1st 7920 df-2nd 7921 df-supp 8092 df-frecs 8211 df-wrecs 8242 df-recs 8316 df-rdg 8355 df-1o 8411 df-2o 8412 df-oadd 8415 df-omul 8416 df-er 8647 df-map 8766 df-pm 8767 df-ixp 8835 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-fsupp 9305 df-fi 9346 df-sup 9377 df-inf 9378 df-oi 9445 df-card 9874 df-acn 9877 df-pnf 11190 df-mnf 11191 df-xr 11192 df-ltxr 11193 df-le 11194 df-sub 11386 df-neg 11387 df-div 11812 df-nn 12153 df-2 12215 df-3 12216 df-4 12217 df-5 12218 df-6 12219 df-7 12220 df-8 12221 df-9 12222 df-n0 12413 df-z 12499 df-dec 12618 df-uz 12763 df-q 12873 df-rp 12915 df-xneg 13032 df-xadd 13033 df-xmul 13034 df-ioo 13267 df-ico 13269 df-icc 13270 df-fz 13424 df-fzo 13567 df-fl 13696 df-seq 13906 df-exp 13967 df-hash 14230 df-cj 14983 df-re 14984 df-im 14985 df-sqrt 15119 df-abs 15120 df-clim 15369 df-rlim 15370 df-sum 15570 df-struct 17018 df-sets 17035 df-slot 17053 df-ndx 17065 df-base 17083 df-ress 17112 df-plusg 17145 df-mulr 17146 df-starv 17147 df-sca 17148 df-vsca 17149 df-ip 17150 df-tset 17151 df-ple 17152 df-ds 17154 df-unif 17155 df-hom 17156 df-cco 17157 df-rest 17303 df-topn 17304 df-0g 17322 df-gsum 17323 df-topgen 17324 df-pt 17325 df-prds 17328 df-xrs 17383 df-qtop 17388 df-imas 17389 df-xps 17391 df-mre 17465 df-mrc 17466 df-acs 17468 df-mgm 18496 df-sgrp 18545 df-mnd 18556 df-submnd 18601 df-mulg 18871 df-cntz 19095 df-cmn 19562 df-psmet 20786 df-xmet 20787 df-met 20788 df-bl 20789 df-mopn 20790 df-fbas 20791 df-fg 20792 df-cnfld 20795 df-top 22241 df-topon 22258 df-topsp 22280 df-bases 22294 df-cld 22368 df-ntr 22369 df-cls 22370 df-nei 22447 df-cn 22576 df-cnp 22577 df-lm 22578 df-haus 22664 df-tx 22911 df-hmeo 23104 df-fil 23195 df-fm 23287 df-flim 23288 df-flf 23289 df-xms 23671 df-ms 23672 df-tms 23673 df-cfil 24617 df-cau 24618 df-cmet 24619 df-grpo 29382 df-gid 29383 df-ginv 29384 df-gdiv 29385 df-ablo 29434 df-vc 29448 df-nv 29481 df-va 29484 df-ba 29485 df-sm 29486 df-0v 29487 df-vs 29488 df-nmcv 29489 df-ims 29490 df-dip 29590 df-ssp 29611 df-ph 29702 df-cbn 29752 df-hnorm 29857 df-hba 29858 df-hvsub 29860 df-hlim 29861 df-hcau 29862 df-sh 30096 df-ch 30110 df-oc 30141 df-ch0 30142 df-shs 30197 df-pjh 30284 df-h0op 30637 df-nmop 30728 df-cnop 30729 df-lnop 30730 df-bdop 30731 df-unop 30732 df-hmop 30733 |
This theorem is referenced by: lncnopbd 30926 lnopcnre 30928 hmopidmchi 31040 |
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