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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 29611 | . . . 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 6573 | . . . . 5 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
4 | breq1 5076 | . . . . . 6 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
5 | 4 | rexbidv 3224 | . . . . 5 ⊢ (𝑓 = 𝐹 → (∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥 ↔ ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥)) |
6 | 3, 5 | imbi12d 345 | . . . 4 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥))) |
7 | 6 | rspccv 3556 | . . 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 1110 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹 ∈ Cauchy ∧ 𝐹:ℕ⟶𝐻) → ∃𝑥 ∈ 𝐻 𝐹 ⇝𝑣 𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ∀wral 3064 ∃wrex 3065 class class class wbr 5073 ⟶wf 6422 ℕcn 11983 Cauchyccauold 29296 ⇝𝑣 chli 29297 Sℋ csh 29298 Cℋ cch 29299 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-rep 5208 ax-sep 5221 ax-nul 5228 ax-pow 5286 ax-pr 5350 ax-un 7578 ax-cnex 10937 ax-resscn 10938 ax-1cn 10939 ax-icn 10940 ax-addcl 10941 ax-addrcl 10942 ax-mulcl 10943 ax-mulrcl 10944 ax-mulcom 10945 ax-addass 10946 ax-mulass 10947 ax-distr 10948 ax-i2m1 10949 ax-1ne0 10950 ax-1rid 10951 ax-rnegex 10952 ax-rrecex 10953 ax-cnre 10954 ax-pre-lttri 10955 ax-pre-lttrn 10956 ax-pre-ltadd 10957 ax-pre-mulgt0 10958 ax-pre-sup 10959 ax-addf 10960 ax-mulf 10961 ax-hilex 29369 ax-hfvadd 29370 ax-hvcom 29371 ax-hvass 29372 ax-hv0cl 29373 ax-hvaddid 29374 ax-hfvmul 29375 ax-hvmulid 29376 ax-hvmulass 29377 ax-hvdistr1 29378 ax-hvdistr2 29379 ax-hvmul0 29380 ax-hfi 29449 ax-his1 29452 ax-his2 29453 ax-his3 29454 ax-his4 29455 ax-hcompl 29572 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rmo 3072 df-rab 3073 df-v 3431 df-sbc 3716 df-csb 3832 df-dif 3889 df-un 3891 df-in 3893 df-ss 3903 df-pss 3905 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5074 df-opab 5136 df-mpt 5157 df-tr 5191 df-id 5484 df-eprel 5490 df-po 5498 df-so 5499 df-fr 5539 df-we 5541 df-xp 5590 df-rel 5591 df-cnv 5592 df-co 5593 df-dm 5594 df-rn 5595 df-res 5596 df-ima 5597 df-pred 6195 df-ord 6262 df-on 6263 df-lim 6264 df-suc 6265 df-iota 6384 df-fun 6428 df-fn 6429 df-f 6430 df-f1 6431 df-fo 6432 df-f1o 6433 df-fv 6434 df-riota 7224 df-ov 7270 df-oprab 7271 df-mpo 7272 df-om 7703 df-1st 7820 df-2nd 7821 df-frecs 8084 df-wrecs 8115 df-recs 8189 df-rdg 8228 df-er 8485 df-map 8604 df-pm 8605 df-en 8721 df-dom 8722 df-sdom 8723 df-sup 9188 df-inf 9189 df-pnf 11021 df-mnf 11022 df-xr 11023 df-ltxr 11024 df-le 11025 df-sub 11217 df-neg 11218 df-div 11643 df-nn 11984 df-2 12046 df-3 12047 df-4 12048 df-n0 12244 df-z 12330 df-uz 12593 df-q 12699 df-rp 12741 df-xneg 12858 df-xadd 12859 df-xmul 12860 df-icc 13096 df-seq 13732 df-exp 13793 df-cj 14820 df-re 14821 df-im 14822 df-sqrt 14956 df-abs 14957 df-topgen 17164 df-psmet 20599 df-xmet 20600 df-met 20601 df-bl 20602 df-mopn 20603 df-top 22053 df-topon 22070 df-bases 22106 df-lm 22390 df-haus 22476 df-cau 24430 df-grpo 28863 df-gid 28864 df-ginv 28865 df-gdiv 28866 df-ablo 28915 df-vc 28929 df-nv 28962 df-va 28965 df-ba 28966 df-sm 28967 df-0v 28968 df-vs 28969 df-nmcv 28970 df-ims 28971 df-hnorm 29338 df-hvsub 29341 df-hlim 29342 df-hcau 29343 df-ch 29591 |
This theorem is referenced by: (None) |
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