| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 31622 | . . . 4 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) | |
| 2 | 1 | simprbi 503 | . . 3 ⊢ (𝐻 ∈ Cℋ → ∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻)) |
| 3 | nnex 12250 | . . . . . . 7 ⊢ ℕ ∈ V | |
| 4 | fex 7228 | . . . . . . 7 ⊢ ((𝐹:ℕ⟶𝐻 ∧ ℕ ∈ V) → 𝐹 ∈ V) | |
| 5 | 3, 4 | mpan2 704 | . . . . . 6 ⊢ (𝐹:ℕ⟶𝐻 → 𝐹 ∈ V) |
| 6 | 5 | adantr 486 | . . . . 5 ⊢ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐹 ∈ V) |
| 7 | feq1 6687 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓:ℕ⟶𝐻 ↔ 𝐹:ℕ⟶𝐻)) | |
| 8 | breq1 5114 | . . . . . . . . . 10 ⊢ (𝑓 = 𝐹 → (𝑓 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝑥)) | |
| 9 | 7, 8 | anbi12d 644 | . . . . . . . . 9 ⊢ (𝑓 = 𝐹 → ((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥))) |
| 10 | 9 | imbi1d 344 | . . . . . . . 8 ⊢ (𝑓 = 𝐹 → (((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
| 11 | 10 | albidv 1953 | . . . . . . 7 ⊢ (𝑓 = 𝐹 → (∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻))) |
| 12 | 11 | spcgv 3557 | . . . . . 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 5115 | . . . . . . . . 9 ⊢ (𝑥 = 𝐴 → (𝐹 ⇝𝑣 𝑥 ↔ 𝐹 ⇝𝑣 𝐴)) | |
| 15 | 14 | anbi2d 642 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) ↔ (𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴))) |
| 16 | eleq1 2853 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐻 ↔ 𝐴 ∈ 𝐻)) | |
| 17 | 15, 16 | imbi12d 347 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → (((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) ↔ ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻))) |
| 18 | 13, 17 | spcv 3566 | . . . . . 6 ⊢ (∀𝑥((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
| 19 | 12, 18 | syl6 36 | . . . . 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 18 | . . . 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 56 | . . 3 ⊢ (∀𝑓∀𝑥((𝑓:ℕ⟶𝐻 ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ 𝐻) → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
| 22 | 2, 21 | syl 18 | . 2 ⊢ (𝐻 ∈ Cℋ → ((𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻)) |
| 23 | 22 | 3impib 1134 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐹:ℕ⟶𝐻 ∧ 𝐹 ⇝𝑣 𝐴) → 𝐴 ∈ 𝐻) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∀wal 1568 = wceq 1570 ∈ wcel 2146 Vcvv 3457 class class class wbr 5111 ⟶wf 6536 ℕcn 12244 ⇝𝑣 chli 31326 Sℋ csh 31327 Cℋ cch 31328 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-cnex 11167 ax-1cn 11169 ax-addcl 11171 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7865 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-map 8828 df-nn 12245 df-ch 31620 |
| This theorem is used by: hhsscms 31677 chintcli 31730 chscllem4 32039 |
| Copyright terms: Public domain | W3C validator |