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Mirrors > Home > HSE Home > Th. List > hsn0elch | Structured version Visualization version GIF version |
Description: The zero subspace belongs to the set of closed subspaces of Hilbert space. (Contributed by NM, 14-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
hsn0elch | ⊢ {0ℎ} ∈ Cℋ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-hv0cl 29414 | . . . . 5 ⊢ 0ℎ ∈ ℋ | |
2 | snssi 4747 | . . . . 5 ⊢ (0ℎ ∈ ℋ → {0ℎ} ⊆ ℋ) | |
3 | 1, 2 | ax-mp 5 | . . . 4 ⊢ {0ℎ} ⊆ ℋ |
4 | 1 | elexi 3456 | . . . . 5 ⊢ 0ℎ ∈ V |
5 | 4 | snid 4601 | . . . 4 ⊢ 0ℎ ∈ {0ℎ} |
6 | 3, 5 | pm3.2i 472 | . . 3 ⊢ ({0ℎ} ⊆ ℋ ∧ 0ℎ ∈ {0ℎ}) |
7 | velsn 4581 | . . . . . 6 ⊢ (𝑥 ∈ {0ℎ} ↔ 𝑥 = 0ℎ) | |
8 | velsn 4581 | . . . . . 6 ⊢ (𝑦 ∈ {0ℎ} ↔ 𝑦 = 0ℎ) | |
9 | oveq12 7316 | . . . . . . . 8 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) = (0ℎ +ℎ 0ℎ)) | |
10 | 1 | hvaddid2i 29440 | . . . . . . . 8 ⊢ (0ℎ +ℎ 0ℎ) = 0ℎ |
11 | 9, 10 | eqtrdi 2792 | . . . . . . 7 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) = 0ℎ) |
12 | ovex 7340 | . . . . . . . 8 ⊢ (𝑥 +ℎ 𝑦) ∈ V | |
13 | 12 | elsn 4580 | . . . . . . 7 ⊢ ((𝑥 +ℎ 𝑦) ∈ {0ℎ} ↔ (𝑥 +ℎ 𝑦) = 0ℎ) |
14 | 11, 13 | sylibr 233 | . . . . . 6 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) ∈ {0ℎ}) |
15 | 7, 8, 14 | syl2anb 599 | . . . . 5 ⊢ ((𝑥 ∈ {0ℎ} ∧ 𝑦 ∈ {0ℎ}) → (𝑥 +ℎ 𝑦) ∈ {0ℎ}) |
16 | 15 | rgen2 3191 | . . . 4 ⊢ ∀𝑥 ∈ {0ℎ}∀𝑦 ∈ {0ℎ} (𝑥 +ℎ 𝑦) ∈ {0ℎ} |
17 | oveq2 7315 | . . . . . . . 8 ⊢ (𝑦 = 0ℎ → (𝑥 ·ℎ 𝑦) = (𝑥 ·ℎ 0ℎ)) | |
18 | hvmul0 29435 | . . . . . . . 8 ⊢ (𝑥 ∈ ℂ → (𝑥 ·ℎ 0ℎ) = 0ℎ) | |
19 | 17, 18 | sylan9eqr 2798 | . . . . . . 7 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 = 0ℎ) → (𝑥 ·ℎ 𝑦) = 0ℎ) |
20 | ovex 7340 | . . . . . . . 8 ⊢ (𝑥 ·ℎ 𝑦) ∈ V | |
21 | 20 | elsn 4580 | . . . . . . 7 ⊢ ((𝑥 ·ℎ 𝑦) ∈ {0ℎ} ↔ (𝑥 ·ℎ 𝑦) = 0ℎ) |
22 | 19, 21 | sylibr 233 | . . . . . 6 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 = 0ℎ) → (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
23 | 8, 22 | sylan2b 595 | . . . . 5 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ {0ℎ}) → (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
24 | 23 | rgen2 3191 | . . . 4 ⊢ ∀𝑥 ∈ ℂ ∀𝑦 ∈ {0ℎ} (𝑥 ·ℎ 𝑦) ∈ {0ℎ} |
25 | 16, 24 | pm3.2i 472 | . . 3 ⊢ (∀𝑥 ∈ {0ℎ}∀𝑦 ∈ {0ℎ} (𝑥 +ℎ 𝑦) ∈ {0ℎ} ∧ ∀𝑥 ∈ ℂ ∀𝑦 ∈ {0ℎ} (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
26 | issh2 29620 | . . 3 ⊢ ({0ℎ} ∈ Sℋ ↔ (({0ℎ} ⊆ ℋ ∧ 0ℎ ∈ {0ℎ}) ∧ (∀𝑥 ∈ {0ℎ}∀𝑦 ∈ {0ℎ} (𝑥 +ℎ 𝑦) ∈ {0ℎ} ∧ ∀𝑥 ∈ ℂ ∀𝑦 ∈ {0ℎ} (𝑥 ·ℎ 𝑦) ∈ {0ℎ}))) | |
27 | 6, 25, 26 | mpbir2an 709 | . 2 ⊢ {0ℎ} ∈ Sℋ |
28 | 4 | fconst2 7112 | . . . . . 6 ⊢ (𝑓:ℕ⟶{0ℎ} ↔ 𝑓 = (ℕ × {0ℎ})) |
29 | hlim0 29646 | . . . . . . 7 ⊢ (ℕ × {0ℎ}) ⇝𝑣 0ℎ | |
30 | breq1 5084 | . . . . . . 7 ⊢ (𝑓 = (ℕ × {0ℎ}) → (𝑓 ⇝𝑣 0ℎ ↔ (ℕ × {0ℎ}) ⇝𝑣 0ℎ)) | |
31 | 29, 30 | mpbiri 258 | . . . . . 6 ⊢ (𝑓 = (ℕ × {0ℎ}) → 𝑓 ⇝𝑣 0ℎ) |
32 | 28, 31 | sylbi 216 | . . . . 5 ⊢ (𝑓:ℕ⟶{0ℎ} → 𝑓 ⇝𝑣 0ℎ) |
33 | hlimuni 29649 | . . . . . 6 ⊢ ((𝑓 ⇝𝑣 0ℎ ∧ 𝑓 ⇝𝑣 𝑥) → 0ℎ = 𝑥) | |
34 | 33 | eleq1d 2821 | . . . . 5 ⊢ ((𝑓 ⇝𝑣 0ℎ ∧ 𝑓 ⇝𝑣 𝑥) → (0ℎ ∈ {0ℎ} ↔ 𝑥 ∈ {0ℎ})) |
35 | 32, 34 | sylan 581 | . . . 4 ⊢ ((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → (0ℎ ∈ {0ℎ} ↔ 𝑥 ∈ {0ℎ})) |
36 | 5, 35 | mpbii 232 | . . 3 ⊢ ((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}) |
37 | 36 | gen2 1796 | . 2 ⊢ ∀𝑓∀𝑥((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}) |
38 | isch2 29634 | . 2 ⊢ ({0ℎ} ∈ Cℋ ↔ ({0ℎ} ∈ Sℋ ∧ ∀𝑓∀𝑥((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}))) | |
39 | 27, 37, 38 | mpbir2an 709 | 1 ⊢ {0ℎ} ∈ Cℋ |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 ∀wal 1537 = wceq 1539 ∈ wcel 2104 ∀wral 3062 ⊆ wss 3892 {csn 4565 class class class wbr 5081 × cxp 5598 ⟶wf 6454 (class class class)co 7307 ℂcc 10919 ℕcn 12023 ℋchba 29330 +ℎ cva 29331 ·ℎ csm 29332 0ℎc0v 29335 ⇝𝑣 chli 29338 Sℋ csh 29339 Cℋ cch 29340 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 ax-pre-sup 10999 ax-addf 11000 ax-mulf 11001 ax-hilex 29410 ax-hfvadd 29411 ax-hvcom 29412 ax-hvass 29413 ax-hv0cl 29414 ax-hvaddid 29415 ax-hfvmul 29416 ax-hvmulid 29417 ax-hvmulass 29418 ax-hvdistr1 29419 ax-hvdistr2 29420 ax-hvmul0 29421 ax-hfi 29490 ax-his1 29493 ax-his2 29494 ax-his3 29495 ax-his4 29496 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-1st 7863 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-map 8648 df-pm 8649 df-en 8765 df-dom 8766 df-sdom 8767 df-sup 9249 df-inf 9250 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-div 11683 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-n0 12284 df-z 12370 df-uz 12633 df-q 12739 df-rp 12781 df-xneg 12898 df-xadd 12899 df-xmul 12900 df-icc 13136 df-seq 13772 df-exp 13833 df-cj 14859 df-re 14860 df-im 14861 df-sqrt 14995 df-abs 14996 df-topgen 17203 df-psmet 20638 df-xmet 20639 df-met 20640 df-bl 20641 df-mopn 20642 df-top 22092 df-topon 22109 df-bases 22145 df-lm 22429 df-haus 22515 df-grpo 28904 df-gid 28905 df-ginv 28906 df-gdiv 28907 df-ablo 28956 df-vc 28970 df-nv 29003 df-va 29006 df-ba 29007 df-sm 29008 df-0v 29009 df-vs 29010 df-nmcv 29011 df-ims 29012 df-hnorm 29379 df-hvsub 29382 df-hlim 29383 df-sh 29618 df-ch 29632 |
This theorem is referenced by: h0elch 29666 h1de2ctlem 29966 |
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