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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 31123 | . . . 4 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥))) | |
2 | 1 | simprbi 495 | . . 3 ⊢ (𝐻 ∈ Cℋ → ∀𝑓 ∈ Cauchy (𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥)) |
3 | feq1 6704 | . . . . 5 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
4 | breq1 5152 | . . . . . 6 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
5 | 4 | rexbidv 3168 | . . . . 5 ⊢ (𝑓 = 𝐹 → (∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥 ↔ ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥)) |
6 | 3, 5 | imbi12d 343 | . . . 4 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥))) |
7 | 6 | rspccv 3603 | . . 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 1108 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹 ∈ Cauchy ∧ 𝐹:ℕ⟶𝐻) → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ∀wral 3050 ∃wrex 3059 class class class wbr 5149 ⟶wf 6545 ℕcn 12245 Cauchyccauold 30808 ⇝𝑣 chli 30809 Sℋ csh 30810 Cℋ cch 30811 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5365 ax-pr 5429 ax-un 7741 ax-cnex 11196 ax-resscn 11197 ax-1cn 11198 ax-icn 11199 ax-addcl 11200 ax-addrcl 11201 ax-mulcl 11202 ax-mulrcl 11203 ax-mulcom 11204 ax-addass 11205 ax-mulass 11206 ax-distr 11207 ax-i2m1 11208 ax-1ne0 11209 ax-1rid 11210 ax-rnegex 11211 ax-rrecex 11212 ax-cnre 11213 ax-pre-lttri 11214 ax-pre-lttrn 11215 ax-pre-ltadd 11216 ax-pre-mulgt0 11217 ax-pre-sup 11218 ax-addf 11219 ax-mulf 11220 ax-hilex 30881 ax-hfvadd 30882 ax-hvcom 30883 ax-hvass 30884 ax-hv0cl 30885 ax-hvaddid 30886 ax-hfvmul 30887 ax-hvmulid 30888 ax-hvmulass 30889 ax-hvdistr1 30890 ax-hvdistr2 30891 ax-hvmul0 30892 ax-hfi 30961 ax-his1 30964 ax-his2 30965 ax-his3 30966 ax-his4 30967 ax-hcompl 31084 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2930 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3419 df-v 3463 df-sbc 3774 df-csb 3890 df-dif 3947 df-un 3949 df-in 3951 df-ss 3961 df-pss 3964 df-nul 4323 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-op 4637 df-uni 4910 df-iun 4999 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6307 df-ord 6374 df-on 6375 df-lim 6376 df-suc 6377 df-iota 6501 df-fun 6551 df-fn 6552 df-f 6553 df-f1 6554 df-fo 6555 df-f1o 6556 df-fv 6557 df-riota 7375 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7872 df-1st 7994 df-2nd 7995 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-er 8725 df-map 8847 df-pm 8848 df-en 8965 df-dom 8966 df-sdom 8967 df-sup 9467 df-inf 9468 df-pnf 11282 df-mnf 11283 df-xr 11284 df-ltxr 11285 df-le 11286 df-sub 11478 df-neg 11479 df-div 11904 df-nn 12246 df-2 12308 df-3 12309 df-4 12310 df-n0 12506 df-z 12592 df-uz 12856 df-q 12966 df-rp 13010 df-xneg 13127 df-xadd 13128 df-xmul 13129 df-icc 13366 df-seq 14003 df-exp 14063 df-cj 15082 df-re 15083 df-im 15084 df-sqrt 15218 df-abs 15219 df-topgen 17428 df-psmet 21288 df-xmet 21289 df-met 21290 df-bl 21291 df-mopn 21292 df-top 22840 df-topon 22857 df-bases 22893 df-lm 23177 df-haus 23263 df-cau 25228 df-grpo 30375 df-gid 30376 df-ginv 30377 df-gdiv 30378 df-ablo 30427 df-vc 30441 df-nv 30474 df-va 30477 df-ba 30478 df-sm 30479 df-0v 30480 df-vs 30481 df-nmcv 30482 df-ims 30483 df-hnorm 30850 df-hvsub 30853 df-hlim 30854 df-hcau 30855 df-ch 31103 |
This theorem is referenced by: (None) |
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