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| Mirrors > Home > HSE Home > Th. List > occl | Structured version Visualization version GIF version | ||
| Description: Closure of complement of Hilbert subset. Part of Remark 3.12 of [Beran] p. 107. (Contributed by NM, 8-Aug-2000.) (Proof shortened by Mario Carneiro, 14-May-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| occl | ⊢ (𝐴 ⊆ ℋ → (⊥‘𝐴) ∈ Cℋ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ocsh 31369 | . 2 ⊢ (𝐴 ⊆ ℋ → (⊥‘𝐴) ∈ Sℋ ) | |
| 2 | ax-hcompl 31288 | . . . . . . . . 9 ⊢ (𝑓 ∈ Cauchy → ∃𝑥 ∈ ℋ 𝑓 ⇝𝑣 𝑥) | |
| 3 | vex 3434 | . . . . . . . . . . 11 ⊢ 𝑓 ∈ V | |
| 4 | vex 3434 | . . . . . . . . . . 11 ⊢ 𝑥 ∈ V | |
| 5 | 3, 4 | breldm 5857 | . . . . . . . . . 10 ⊢ (𝑓 ⇝𝑣 𝑥 → 𝑓 ∈ dom ⇝𝑣 ) |
| 6 | 5 | rexlimivw 3135 | . . . . . . . . 9 ⊢ (∃𝑥 ∈ ℋ 𝑓 ⇝𝑣 𝑥 → 𝑓 ∈ dom ⇝𝑣 ) |
| 7 | 2, 6 | syl 17 | . . . . . . . 8 ⊢ (𝑓 ∈ Cauchy → 𝑓 ∈ dom ⇝𝑣 ) |
| 8 | 7 | ad2antlr 728 | . . . . . . 7 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → 𝑓 ∈ dom ⇝𝑣 ) |
| 9 | hlimf 31323 | . . . . . . . 8 ⊢ ⇝𝑣 :dom ⇝𝑣 ⟶ ℋ | |
| 10 | 9 | ffvelcdmi 7029 | . . . . . . 7 ⊢ (𝑓 ∈ dom ⇝𝑣 → ( ⇝𝑣 ‘𝑓) ∈ ℋ) |
| 11 | 8, 10 | syl 17 | . . . . . 6 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → ( ⇝𝑣 ‘𝑓) ∈ ℋ) |
| 12 | simplll 775 | . . . . . . . 8 ⊢ ((((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) ∧ 𝑥 ∈ 𝐴) → 𝐴 ⊆ ℋ) | |
| 13 | simpllr 776 | . . . . . . . 8 ⊢ ((((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) ∧ 𝑥 ∈ 𝐴) → 𝑓 ∈ Cauchy) | |
| 14 | simplr 769 | . . . . . . . 8 ⊢ ((((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) ∧ 𝑥 ∈ 𝐴) → 𝑓:ℕ⟶(⊥‘𝐴)) | |
| 15 | simpr 484 | . . . . . . . 8 ⊢ ((((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) ∧ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐴) | |
| 16 | 12, 13, 14, 15 | occllem 31389 | . . . . . . 7 ⊢ ((((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) ∧ 𝑥 ∈ 𝐴) → (( ⇝𝑣 ‘𝑓) ·ih 𝑥) = 0) |
| 17 | 16 | ralrimiva 3130 | . . . . . 6 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → ∀𝑥 ∈ 𝐴 (( ⇝𝑣 ‘𝑓) ·ih 𝑥) = 0) |
| 18 | ocel 31367 | . . . . . . 7 ⊢ (𝐴 ⊆ ℋ → (( ⇝𝑣 ‘𝑓) ∈ (⊥‘𝐴) ↔ (( ⇝𝑣 ‘𝑓) ∈ ℋ ∧ ∀𝑥 ∈ 𝐴 (( ⇝𝑣 ‘𝑓) ·ih 𝑥) = 0))) | |
| 19 | 18 | ad2antrr 727 | . . . . . 6 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → (( ⇝𝑣 ‘𝑓) ∈ (⊥‘𝐴) ↔ (( ⇝𝑣 ‘𝑓) ∈ ℋ ∧ ∀𝑥 ∈ 𝐴 (( ⇝𝑣 ‘𝑓) ·ih 𝑥) = 0))) |
| 20 | 11, 17, 19 | mpbir2and 714 | . . . . 5 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → ( ⇝𝑣 ‘𝑓) ∈ (⊥‘𝐴)) |
| 21 | ffun 6665 | . . . . . . 7 ⊢ ( ⇝𝑣 :dom ⇝𝑣 ⟶ ℋ → Fun ⇝𝑣 ) | |
| 22 | funfvbrb 6997 | . . . . . . 7 ⊢ (Fun ⇝𝑣 → (𝑓 ∈ dom ⇝𝑣 ↔ 𝑓 ⇝𝑣 ( ⇝𝑣 ‘𝑓))) | |
| 23 | 9, 21, 22 | mp2b 10 | . . . . . 6 ⊢ (𝑓 ∈ dom ⇝𝑣 ↔ 𝑓 ⇝𝑣 ( ⇝𝑣 ‘𝑓)) |
| 24 | 8, 23 | sylib 218 | . . . . 5 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → 𝑓 ⇝𝑣 ( ⇝𝑣 ‘𝑓)) |
| 25 | breq2 5090 | . . . . . 6 ⊢ (𝑥 = ( ⇝𝑣 ‘𝑓) → (𝑓 ⇝𝑣 𝑥 ↔ 𝑓 ⇝𝑣 ( ⇝𝑣 ‘𝑓))) | |
| 26 | 25 | rspcev 3565 | . . . . 5 ⊢ ((( ⇝𝑣 ‘𝑓) ∈ (⊥‘𝐴) ∧ 𝑓 ⇝𝑣 ( ⇝𝑣 ‘𝑓)) → ∃𝑥 ∈ (⊥‘𝐴)𝑓 ⇝𝑣 𝑥) |
| 27 | 20, 24, 26 | syl2anc 585 | . . . 4 ⊢ (((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) ∧ 𝑓:ℕ⟶(⊥‘𝐴)) → ∃𝑥 ∈ (⊥‘𝐴)𝑓 ⇝𝑣 𝑥) |
| 28 | 27 | ex 412 | . . 3 ⊢ ((𝐴 ⊆ ℋ ∧ 𝑓 ∈ Cauchy) → (𝑓:ℕ⟶(⊥‘𝐴) → ∃𝑥 ∈ (⊥‘𝐴)𝑓 ⇝𝑣 𝑥)) |
| 29 | 28 | ralrimiva 3130 | . 2 ⊢ (𝐴 ⊆ ℋ → ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶(⊥‘𝐴) → ∃𝑥 ∈ (⊥‘𝐴)𝑓 ⇝𝑣 𝑥)) |
| 30 | isch3 31327 | . 2 ⊢ ((⊥‘𝐴) ∈ Cℋ ↔ ((⊥‘𝐴) ∈ Sℋ ∧ ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶(⊥‘𝐴) → ∃𝑥 ∈ (⊥‘𝐴)𝑓 ⇝𝑣 𝑥))) | |
| 31 | 1, 29, 30 | sylanbrc 584 | 1 ⊢ (𝐴 ⊆ ℋ → (⊥‘𝐴) ∈ Cℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ∃wrex 3062 ⊆ wss 3890 class class class wbr 5086 dom cdm 5624 Fun wfun 6486 ⟶wf 6488 ‘cfv 6492 (class class class)co 7360 0cc0 11029 ℕcn 12165 ℋchba 31005 ·ih csp 31008 Cauchyccauold 31012 ⇝𝑣 chli 31013 Sℋ csh 31014 Cℋ cch 31015 ⊥cort 31016 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-inf2 9553 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 ax-addf 11108 ax-mulf 11109 ax-hilex 31085 ax-hfvadd 31086 ax-hvcom 31087 ax-hvass 31088 ax-hv0cl 31089 ax-hvaddid 31090 ax-hfvmul 31091 ax-hvmulid 31092 ax-hvmulass 31093 ax-hvdistr1 31094 ax-hvdistr2 31095 ax-hvmul0 31096 ax-hfi 31165 ax-his1 31168 ax-his2 31169 ax-his3 31170 ax-his4 31171 ax-hcompl 31288 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-of 7624 df-om 7811 df-1st 7935 df-2nd 7936 df-supp 8104 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-2o 8399 df-er 8636 df-map 8768 df-pm 8769 df-ixp 8839 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-fsupp 9268 df-fi 9317 df-sup 9348 df-inf 9349 df-oi 9418 df-card 9854 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-dec 12636 df-uz 12780 df-q 12890 df-rp 12934 df-xneg 13054 df-xadd 13055 df-xmul 13056 df-ioo 13293 df-icc 13296 df-fz 13453 df-fzo 13600 df-seq 13955 df-exp 14015 df-hash 14284 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-clim 15441 df-sum 15640 df-struct 17108 df-sets 17125 df-slot 17143 df-ndx 17155 df-base 17171 df-ress 17192 df-plusg 17224 df-mulr 17225 df-starv 17226 df-sca 17227 df-vsca 17228 df-ip 17229 df-tset 17230 df-ple 17231 df-ds 17233 df-unif 17234 df-hom 17235 df-cco 17236 df-rest 17376 df-topn 17377 df-0g 17395 df-gsum 17396 df-topgen 17397 df-pt 17398 df-prds 17401 df-xrs 17457 df-qtop 17462 df-imas 17463 df-xps 17465 df-mre 17539 df-mrc 17540 df-acs 17542 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-submnd 18743 df-mulg 19035 df-cntz 19283 df-cmn 19748 df-psmet 21336 df-xmet 21337 df-met 21338 df-bl 21339 df-mopn 21340 df-cnfld 21345 df-top 22869 df-topon 22886 df-topsp 22908 df-bases 22921 df-cn 23202 df-cnp 23203 df-lm 23204 df-haus 23290 df-tx 23537 df-hmeo 23730 df-xms 24295 df-ms 24296 df-tms 24297 df-cau 25233 df-grpo 30579 df-gid 30580 df-ginv 30581 df-gdiv 30582 df-ablo 30631 df-vc 30645 df-nv 30678 df-va 30681 df-ba 30682 df-sm 30683 df-0v 30684 df-vs 30685 df-nmcv 30686 df-ims 30687 df-dip 30787 df-hnorm 31054 df-hvsub 31057 df-hlim 31058 df-hcau 31059 df-sh 31293 df-ch 31307 df-oc 31338 |
| This theorem is referenced by: shoccl 31391 hsupcl 31425 sshjcl 31441 dfch2 31493 ococin 31494 shjshsi 31578 sshhococi 31632 h1dei 31636 h1de2bi 31640 h1de2ctlem 31641 h1de2ci 31642 spansnch 31646 spansnpji 31664 h1da 32435 atom1d 32439 |
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