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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 28080 | . . . 4 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) | |
2 | 1 | simprbi 480 | . . 3 ⊢ (𝐻 ∈ Cℋ → ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻)) |
3 | nnex 11026 | . . . . . . 7 ⊢ ℕ ∈ V | |
4 | fex 6490 | . . . . . . 7 ⊢ ((𝐹:ℕ⟶𝐻 ∧ ℕ ∈ V) → 𝐹 ∈ V) | |
5 | 3, 4 | mpan2 707 | . . . . . 6 ⊢ (𝐹:ℕ⟶𝐻 → 𝐹 ∈ V) |
6 | 5 | adantr 481 | . . . . 5 ⊢ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐹 ∈ V) |
7 | feq1 6026 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
8 | breq1 4656 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
9 | 7, 8 | anbi12d 747 | . . . . . . . . 9 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥))) |
10 | 9 | imbi1d 331 | . . . . . . . 8 ⊢ (𝑓 = 𝐹 → (((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
11 | 10 | albidv 1849 | . . . . . . 7 ⊢ (𝑓 = 𝐹 → (∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
12 | 11 | spcgv 3293 | . . . . . 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 4657 | . . . . . . . . 9 ⊢ (𝑥 = 𝐴 → (𝐹 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝐴)) | |
15 | 14 | anbi2d 740 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴))) |
16 | eleq1 2689 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐻 ↔ 𝐴 ∈ 𝐻)) | |
17 | 15, 16 | imbi12d 334 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → (((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻))) |
18 | 13, 17 | spcv 3299 | . . . . . 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 1262 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∧ w3a 1037 ∀wal 1481 = wceq 1483 ∈ wcel 1990 Vcvv 3200 class class class wbr 4653 ⟶wf 5884 ℕcn 11020 ⇝𝑣 chli 27784 Sℋ csh 27785 Cℋ cch 27786 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-i2m1 10004 ax-1ne0 10005 ax-rrecex 10008 ax-cnre 10009 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-map 7859 df-nn 11021 df-ch 28078 |
This theorem is referenced by: hhsscms 28136 chintcli 28190 chscllem4 28499 |
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