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Mirrors > Home > HSE Home > Th. List > chlimi | Structured version Visualization version GIF version |
Description: The limit property of a closed subspace of a Hilbert space. (Contributed by NM, 14-Sep-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
chlim.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
chlimi | ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isch2 29304 | . . . 4 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) | |
2 | 1 | simprbi 500 | . . 3 ⊢ (𝐻 ∈ Cℋ → ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻)) |
3 | nnex 11836 | . . . . . . 7 ⊢ ℕ ∈ V | |
4 | fex 7042 | . . . . . . 7 ⊢ ((𝐹:ℕ⟶𝐻 ∧ ℕ ∈ V) → 𝐹 ∈ V) | |
5 | 3, 4 | mpan2 691 | . . . . . 6 ⊢ (𝐹:ℕ⟶𝐻 → 𝐹 ∈ V) |
6 | 5 | adantr 484 | . . . . 5 ⊢ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐹 ∈ V) |
7 | feq1 6526 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
8 | breq1 5056 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
9 | 7, 8 | anbi12d 634 | . . . . . . . . 9 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥))) |
10 | 9 | imbi1d 345 | . . . . . . . 8 ⊢ (𝑓 = 𝐹 → (((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
11 | 10 | albidv 1928 | . . . . . . 7 ⊢ (𝑓 = 𝐹 → (∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
12 | 11 | spcgv 3511 | . . . . . 6 ⊢ (𝐹 ∈ V → (∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
13 | chlim.1 | . . . . . . 7 ⊢ 𝐴 ∈ V | |
14 | breq2 5057 | . . . . . . . . 9 ⊢ (𝑥 = 𝐴 → (𝐹 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝐴)) | |
15 | 14 | anbi2d 632 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴))) |
16 | eleq1 2825 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐻 ↔ 𝐴 ∈ 𝐻)) | |
17 | 15, 16 | imbi12d 348 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → (((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻))) |
18 | 13, 17 | spcv 3520 | . . . . . 6 ⊢ (∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
19 | 12, 18 | syl6 35 | . . . . 5 ⊢ (𝐹 ∈ V → (∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻))) |
20 | 6, 19 | syl 17 | . . . 4 ⊢ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → (∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻))) |
21 | 20 | pm2.43b 55 | . . 3 ⊢ (∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
22 | 2, 21 | syl 17 | . 2 ⊢ (𝐻 ∈ Cℋ → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
23 | 22 | 3impib 1118 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 ∀wal 1541 = wceq 1543 ∈ wcel 2110 Vcvv 3408 class class class wbr 5053 ⟶wf 6376 ℕcn 11830 ⇝𝑣 chli 29008 Sℋ csh 29009 Cℋ cch 29010 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-1cn 10787 ax-addcl 10789 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-map 8510 df-nn 11831 df-ch 29302 |
This theorem is referenced by: hhsscms 29359 chintcli 29412 chscllem4 29721 |
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