Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > HSE Home > Th. List > ocin | Structured version Visualization version GIF version |
Description: Intersection of a Hilbert subspace and its complement. Part of Proposition 1 of [Kalmbach] p. 65. (Contributed by NM, 11-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ocin | ⊢ (𝐴 ∈ Sℋ → (𝐴 ∩ (⊥‘𝐴)) = 0ℋ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shocel 29545 | . . . . . . 7 ⊢ (𝐴 ∈ Sℋ → (𝑥 ∈ (⊥‘𝐴) ↔ (𝑥 ∈ ℋ ∧ ∀𝑦 ∈ 𝐴 (𝑥 ·ih 𝑦) = 0))) | |
2 | oveq2 7263 | . . . . . . . . . 10 ⊢ (𝑦 = 𝑥 → (𝑥 ·ih 𝑦) = (𝑥 ·ih 𝑥)) | |
3 | 2 | eqeq1d 2740 | . . . . . . . . 9 ⊢ (𝑦 = 𝑥 → ((𝑥 ·ih 𝑦) = 0 ↔ (𝑥 ·ih 𝑥) = 0)) |
4 | 3 | rspccv 3549 | . . . . . . . 8 ⊢ (∀𝑦 ∈ 𝐴 (𝑥 ·ih 𝑦) = 0 → (𝑥 ∈ 𝐴 → (𝑥 ·ih 𝑥) = 0)) |
5 | his6 29362 | . . . . . . . . 9 ⊢ (𝑥 ∈ ℋ → ((𝑥 ·ih 𝑥) = 0 ↔ 𝑥 = 0ℎ)) | |
6 | 5 | biimpd 228 | . . . . . . . 8 ⊢ (𝑥 ∈ ℋ → ((𝑥 ·ih 𝑥) = 0 → 𝑥 = 0ℎ)) |
7 | 4, 6 | sylan9r 508 | . . . . . . 7 ⊢ ((𝑥 ∈ ℋ ∧ ∀𝑦 ∈ 𝐴 (𝑥 ·ih 𝑦) = 0) → (𝑥 ∈ 𝐴 → 𝑥 = 0ℎ)) |
8 | 1, 7 | syl6bi 252 | . . . . . 6 ⊢ (𝐴 ∈ Sℋ → (𝑥 ∈ (⊥‘𝐴) → (𝑥 ∈ 𝐴 → 𝑥 = 0ℎ))) |
9 | 8 | com23 86 | . . . . 5 ⊢ (𝐴 ∈ Sℋ → (𝑥 ∈ 𝐴 → (𝑥 ∈ (⊥‘𝐴) → 𝑥 = 0ℎ))) |
10 | 9 | impd 410 | . . . 4 ⊢ (𝐴 ∈ Sℋ → ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ (⊥‘𝐴)) → 𝑥 = 0ℎ)) |
11 | sh0 29479 | . . . . . 6 ⊢ (𝐴 ∈ Sℋ → 0ℎ ∈ 𝐴) | |
12 | oc0 29553 | . . . . . 6 ⊢ (𝐴 ∈ Sℋ → 0ℎ ∈ (⊥‘𝐴)) | |
13 | 11, 12 | jca 511 | . . . . 5 ⊢ (𝐴 ∈ Sℋ → (0ℎ ∈ 𝐴 ∧ 0ℎ ∈ (⊥‘𝐴))) |
14 | eleq1 2826 | . . . . . 6 ⊢ (𝑥 = 0ℎ → (𝑥 ∈ 𝐴 ↔ 0ℎ ∈ 𝐴)) | |
15 | eleq1 2826 | . . . . . 6 ⊢ (𝑥 = 0ℎ → (𝑥 ∈ (⊥‘𝐴) ↔ 0ℎ ∈ (⊥‘𝐴))) | |
16 | 14, 15 | anbi12d 630 | . . . . 5 ⊢ (𝑥 = 0ℎ → ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ (⊥‘𝐴)) ↔ (0ℎ ∈ 𝐴 ∧ 0ℎ ∈ (⊥‘𝐴)))) |
17 | 13, 16 | syl5ibrcom 246 | . . . 4 ⊢ (𝐴 ∈ Sℋ → (𝑥 = 0ℎ → (𝑥 ∈ 𝐴 ∧ 𝑥 ∈ (⊥‘𝐴)))) |
18 | 10, 17 | impbid 211 | . . 3 ⊢ (𝐴 ∈ Sℋ → ((𝑥 ∈ 𝐴 ∧ 𝑥 ∈ (⊥‘𝐴)) ↔ 𝑥 = 0ℎ)) |
19 | elin 3899 | . . 3 ⊢ (𝑥 ∈ (𝐴 ∩ (⊥‘𝐴)) ↔ (𝑥 ∈ 𝐴 ∧ 𝑥 ∈ (⊥‘𝐴))) | |
20 | elch0 29517 | . . 3 ⊢ (𝑥 ∈ 0ℋ ↔ 𝑥 = 0ℎ) | |
21 | 18, 19, 20 | 3bitr4g 313 | . 2 ⊢ (𝐴 ∈ Sℋ → (𝑥 ∈ (𝐴 ∩ (⊥‘𝐴)) ↔ 𝑥 ∈ 0ℋ)) |
22 | 21 | eqrdv 2736 | 1 ⊢ (𝐴 ∈ Sℋ → (𝐴 ∩ (⊥‘𝐴)) = 0ℋ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ∩ cin 3882 ‘cfv 6418 (class class class)co 7255 0cc0 10802 ℋchba 29182 ·ih csp 29185 0ℎc0v 29187 Sℋ csh 29191 ⊥cort 29193 0ℋc0h 29198 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-hilex 29262 ax-hfvadd 29263 ax-hv0cl 29266 ax-hfvmul 29268 ax-hvmul0 29273 ax-hfi 29342 ax-his2 29346 ax-his3 29347 ax-his4 29348 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-ltxr 10945 df-sh 29470 df-oc 29515 df-ch0 29516 |
This theorem is referenced by: ocnel 29561 chocunii 29564 pjhtheu 29657 pjpreeq 29661 omlsi 29667 ococi 29668 pjoc1i 29694 orthin 29709 ssjo 29710 chocini 29717 chscllem3 29902 |
Copyright terms: Public domain | W3C validator |