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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 31099 | . . . . 5 ⊢ 0ℎ ∈ ℋ | |
| 2 | snssi 4724 | . . . . 5 ⊢ (0ℎ ∈ ℋ → {0ℎ} ⊆ ℋ) | |
| 3 | 1, 2 | ax-mp 5 | . . . 4 ⊢ {0ℎ} ⊆ ℋ |
| 4 | 1 | elexi 3455 | . . . . 5 ⊢ 0ℎ ∈ V |
| 5 | 4 | snid 4601 | . . . 4 ⊢ 0ℎ ∈ {0ℎ} |
| 6 | 3, 5 | pm3.2i 471 | . . 3 ⊢ ({0ℎ} ⊆ ℋ ∧ 0ℎ ∈ {0ℎ}) |
| 7 | velsn 4578 | . . . . . 6 ⊢ (𝑥 ∈ {0ℎ} ↔ 𝑥 = 0ℎ) | |
| 8 | velsn 4578 | . . . . . 6 ⊢ (𝑦 ∈ {0ℎ} ↔ 𝑦 = 0ℎ) | |
| 9 | oveq12 7372 | . . . . . . . 8 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) = (0ℎ +ℎ 0ℎ)) | |
| 10 | 1 | hvaddlidi 31125 | . . . . . . . 8 ⊢ (0ℎ +ℎ 0ℎ) = 0ℎ |
| 11 | 9, 10 | eqtrdi 2791 | . . . . . . 7 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) = 0ℎ) |
| 12 | ovex 7396 | . . . . . . . 8 ⊢ (𝑥 +ℎ 𝑦) ∈ V | |
| 13 | 12 | elsn 4577 | . . . . . . 7 ⊢ ((𝑥 +ℎ 𝑦) ∈ {0ℎ} ↔ (𝑥 +ℎ 𝑦) = 0ℎ) |
| 14 | 11, 13 | sylibr 235 | . . . . . 6 ⊢ ((𝑥 = 0ℎ ∧ 𝑦 = 0ℎ) → (𝑥 +ℎ 𝑦) ∈ {0ℎ}) |
| 15 | 7, 8, 14 | syl2anb 604 | . . . . 5 ⊢ ((𝑥 ∈ {0ℎ} ∧ 𝑦 ∈ {0ℎ}) → (𝑥 +ℎ 𝑦) ∈ {0ℎ}) |
| 16 | 15 | rgen2 3180 | . . . 4 ⊢ ∀𝑥 ∈ {0ℎ}∀𝑦 ∈ {0ℎ} (𝑥 +ℎ 𝑦) ∈ {0ℎ} |
| 17 | oveq2 7371 | . . . . . . . 8 ⊢ (𝑦 = 0ℎ → (𝑥 ·ℎ 𝑦) = (𝑥 ·ℎ 0ℎ)) | |
| 18 | hvmul0 31120 | . . . . . . . 8 ⊢ (𝑥 ∈ ℂ → (𝑥 ·ℎ 0ℎ) = 0ℎ) | |
| 19 | 17, 18 | sylan9eqr 2797 | . . . . . . 7 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 = 0ℎ) → (𝑥 ·ℎ 𝑦) = 0ℎ) |
| 20 | ovex 7396 | . . . . . . . 8 ⊢ (𝑥 ·ℎ 𝑦) ∈ V | |
| 21 | 20 | elsn 4577 | . . . . . . 7 ⊢ ((𝑥 ·ℎ 𝑦) ∈ {0ℎ} ↔ (𝑥 ·ℎ 𝑦) = 0ℎ) |
| 22 | 19, 21 | sylibr 235 | . . . . . 6 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 = 0ℎ) → (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
| 23 | 8, 22 | sylan2b 600 | . . . . 5 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ {0ℎ}) → (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
| 24 | 23 | rgen2 3180 | . . . 4 ⊢ ∀𝑥 ∈ ℂ ∀𝑦 ∈ {0ℎ} (𝑥 ·ℎ 𝑦) ∈ {0ℎ} |
| 25 | 16, 24 | pm3.2i 471 | . . 3 ⊢ (∀𝑥 ∈ {0ℎ}∀𝑦 ∈ {0ℎ} (𝑥 +ℎ 𝑦) ∈ {0ℎ} ∧ ∀𝑥 ∈ ℂ ∀𝑦 ∈ {0ℎ} (𝑥 ·ℎ 𝑦) ∈ {0ℎ}) |
| 26 | issh2 31305 | . . 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 717 | . 2 ⊢ {0ℎ} ∈ Sℋ |
| 28 | 4 | fconst2 7156 | . . . . . 6 ⊢ (𝑓:ℕ⟶{0ℎ} ↔ 𝑓 = (ℕ × {0ℎ})) |
| 29 | hlim0 31331 | . . . . . . 7 ⊢ (ℕ × {0ℎ}) ⇝𝑣 0ℎ | |
| 30 | breq1 5082 | . . . . . . 7 ⊢ (𝑓 = (ℕ × {0ℎ}) → (𝑓 ⇝𝑣 0ℎ ↔ (ℕ × {0ℎ}) ⇝𝑣 0ℎ)) | |
| 31 | 29, 30 | mpbiri 259 | . . . . . 6 ⊢ (𝑓 = (ℕ × {0ℎ}) → 𝑓 ⇝𝑣 0ℎ) |
| 32 | 28, 31 | sylbi 218 | . . . . 5 ⊢ (𝑓:ℕ⟶{0ℎ} → 𝑓 ⇝𝑣 0ℎ) |
| 33 | hlimuni 31334 | . . . . . 6 ⊢ ((𝑓 ⇝𝑣 0ℎ ∧ 𝑓 ⇝𝑣 𝑥) → 0ℎ = 𝑥) | |
| 34 | 33 | eleq1d 2825 | . . . . 5 ⊢ ((𝑓 ⇝𝑣 0ℎ ∧ 𝑓 ⇝𝑣 𝑥) → (0ℎ ∈ {0ℎ} ↔ 𝑥 ∈ {0ℎ})) |
| 35 | 32, 34 | sylan 586 | . . . 4 ⊢ ((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → (0ℎ ∈ {0ℎ} ↔ 𝑥 ∈ {0ℎ})) |
| 36 | 5, 35 | mpbii 234 | . . 3 ⊢ ((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}) |
| 37 | 36 | gen2 1803 | . 2 ⊢ ∀𝑓∀𝑥((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}) |
| 38 | isch2 31319 | . 2 ⊢ ({0ℎ} ∈ Cℋ ↔ ({0ℎ} ∈ Sℋ ∧ ∀𝑓∀𝑥((𝑓:ℕ⟶{0ℎ} ∧ 𝑓 ⇝𝑣 𝑥) → 𝑥 ∈ {0ℎ}))) | |
| 39 | 27, 37, 38 | mpbir2an 717 | 1 ⊢ {0ℎ} ∈ Cℋ |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 ∀wal 1545 = wceq 1547 ∈ wcel 2119 ∀wral 3054 ⊆ wss 3890 {csn 4562 class class class wbr 5079 × cxp 5623 ⟶wf 6488 (class class class)co 7363 ℂcc 11034 ℕcn 12172 ℋchba 31015 +ℎ cva 31016 ·ℎ csm 31017 0ℎc0v 31020 ⇝𝑣 chli 31023 Sℋ csh 31024 Cℋ cch 31025 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-rep 5206 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-resscn 11093 ax-1cn 11094 ax-icn 11095 ax-addcl 11096 ax-addrcl 11097 ax-mulcl 11098 ax-mulrcl 11099 ax-mulcom 11100 ax-addass 11101 ax-mulass 11102 ax-distr 11103 ax-i2m1 11104 ax-1ne0 11105 ax-1rid 11106 ax-rnegex 11107 ax-rrecex 11108 ax-cnre 11109 ax-pre-lttri 11110 ax-pre-lttrn 11111 ax-pre-ltadd 11112 ax-pre-mulgt0 11113 ax-pre-sup 11114 ax-addf 11115 ax-mulf 11116 ax-hilex 31095 ax-hfvadd 31096 ax-hvcom 31097 ax-hvass 31098 ax-hv0cl 31099 ax-hvaddid 31100 ax-hfvmul 31101 ax-hvmulid 31102 ax-hvmulass 31103 ax-hvdistr1 31104 ax-hvdistr2 31105 ax-hvmul0 31106 ax-hfi 31175 ax-his1 31178 ax-his2 31179 ax-his3 31180 ax-his4 31181 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-nel 3040 df-ral 3055 df-rex 3065 df-rmo 3345 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-iun 4930 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7320 df-ov 7366 df-oprab 7367 df-mpo 7368 df-om 7814 df-1st 7938 df-2nd 7939 df-frecs 8228 df-wrecs 8259 df-recs 8308 df-rdg 8346 df-er 8640 df-map 8772 df-pm 8773 df-en 8891 df-dom 8892 df-sdom 8893 df-sup 9352 df-inf 9353 df-pnf 11179 df-mnf 11180 df-xr 11181 df-ltxr 11182 df-le 11183 df-sub 11377 df-neg 11378 df-div 11806 df-nn 12173 df-2 12242 df-3 12243 df-4 12244 df-n0 12436 df-z 12523 df-uz 12787 df-q 12897 df-rp 12941 df-xneg 13061 df-xadd 13062 df-xmul 13063 df-icc 13303 df-seq 13962 df-exp 14022 df-cj 15059 df-re 15060 df-im 15061 df-sqrt 15195 df-abs 15196 df-topgen 17404 df-psmet 21346 df-xmet 21347 df-met 21348 df-bl 21349 df-mopn 21350 df-top 22884 df-topon 22901 df-bases 22936 df-lm 23219 df-haus 23305 df-grpo 30589 df-gid 30590 df-ginv 30591 df-gdiv 30592 df-ablo 30641 df-vc 30655 df-nv 30688 df-va 30691 df-ba 30692 df-sm 30693 df-0v 30694 df-vs 30695 df-nmcv 30696 df-ims 30697 df-hnorm 31064 df-hvsub 31067 df-hlim 31068 df-sh 31303 df-ch 31317 |
| This theorem is referenced by: h0elch 31351 h1de2ctlem 31651 |
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