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| Mirrors > Home > HSE Home > Th. List > chcompl | Structured version Visualization version GIF version | ||
| Description: Completeness of a closed subspace of Hilbert space. (Contributed by NM, 4-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chcompl | ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹 ∈ Cauchy ∧ 𝐹:ℕ⟶𝐻) → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isch3 31329 | . . . 4 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥))) | |
| 2 | 1 | simprbi 497 | . . 3 ⊢ (𝐻 ∈ Cℋ → ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥)) |
| 3 | feq1 6648 | . . . . 5 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
| 4 | breq1 5103 | . . . . . 6 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
| 5 | 4 | rexbidv 3162 | . . . . 5 ⊢ (𝑓 = 𝐹 → (∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥 ↔ ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥)) |
| 6 | 3, 5 | imbi12d 344 | . . . 4 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥))) |
| 7 | 6 | rspccv 3575 | . . 3 ⊢ (∀𝑓 ∈ Cauchy (𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥) → (𝐹 ∈ Cauchy → (𝐹:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥))) |
| 8 | 2, 7 | syl 17 | . 2 ⊢ (𝐻 ∈ Cℋ → (𝐹 ∈ Cauchy → (𝐹:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥))) |
| 9 | 8 | 3imp 1111 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹 ∈ Cauchy ∧ 𝐹:ℕ⟶𝐻) → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ∃wrex 3062 class class class wbr 5100 ⟶wf 6496 ℕcn 12157 Cauchyccauold 31014 ⇝𝑣 chli 31015 Sℋ csh 31016 Cℋ cch 31017 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 ax-addf 11117 ax-mulf 11118 ax-hilex 31087 ax-hfvadd 31088 ax-hvcom 31089 ax-hvass 31090 ax-hv0cl 31091 ax-hvaddid 31092 ax-hfvmul 31093 ax-hvmulid 31094 ax-hvmulass 31095 ax-hvdistr1 31096 ax-hvdistr2 31097 ax-hvmul0 31098 ax-hfi 31167 ax-his1 31170 ax-his2 31171 ax-his3 31172 ax-his4 31173 ax-hcompl 31290 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-map 8777 df-pm 8778 df-en 8896 df-dom 8897 df-sdom 8898 df-sup 9357 df-inf 9358 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-n0 12414 df-z 12501 df-uz 12764 df-q 12874 df-rp 12918 df-xneg 13038 df-xadd 13039 df-xmul 13040 df-icc 13280 df-seq 13937 df-exp 13997 df-cj 15034 df-re 15035 df-im 15036 df-sqrt 15170 df-abs 15171 df-topgen 17375 df-psmet 21313 df-xmet 21314 df-met 21315 df-bl 21316 df-mopn 21317 df-top 22850 df-topon 22867 df-bases 22902 df-lm 23185 df-haus 23271 df-cau 25224 df-grpo 30581 df-gid 30582 df-ginv 30583 df-gdiv 30584 df-ablo 30633 df-vc 30647 df-nv 30680 df-va 30683 df-ba 30684 df-sm 30685 df-0v 30686 df-vs 30687 df-nmcv 30688 df-ims 30689 df-hnorm 31056 df-hvsub 31059 df-hlim 31060 df-hcau 31061 df-ch 31309 |
| This theorem is referenced by: (None) |
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