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Mirrors > Home > HSE Home > Th. List > eigorthi | Structured version Visualization version GIF version |
Description: A necessary and sufficient condition (that holds when 𝑇 is a Hermitian operator) for two eigenvectors 𝐴 and 𝐵 to be orthogonal. Generalization of Equation 1.31 of [Hughes] p. 49. (Contributed by NM, 23-Jan-2005.) (New usage is discouraged.) |
Ref | Expression |
---|---|
eigorthi.1 | ⊢ 𝐴 ∈ ℋ |
eigorthi.2 | ⊢ 𝐵 ∈ ℋ |
eigorthi.3 | ⊢ 𝐶 ∈ ℂ |
eigorthi.4 | ⊢ 𝐷 ∈ ℂ |
Ref | Expression |
---|---|
eigorthi | ⊢ ((((𝑇‘𝐴) = (𝐶 ·ℎ 𝐴) ∧ (𝑇‘𝐵) = (𝐷 ·ℎ 𝐵)) ∧ 𝐶 ≠ (∗‘𝐷)) → ((𝐴 ·ih (𝑇‘𝐵)) = ((𝑇‘𝐴) ·ih 𝐵) ↔ (𝐴 ·ih 𝐵) = 0)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 7178 | . . . 4 ⊢ ((𝑇‘𝐵) = (𝐷 ·ℎ 𝐵) → (𝐴 ·ih (𝑇‘𝐵)) = (𝐴 ·ih (𝐷 ·ℎ 𝐵))) | |
2 | eigorthi.4 | . . . . 5 ⊢ 𝐷 ∈ ℂ | |
3 | eigorthi.1 | . . . . 5 ⊢ 𝐴 ∈ ℋ | |
4 | eigorthi.2 | . . . . 5 ⊢ 𝐵 ∈ ℋ | |
5 | his5 29021 | . . . . 5 ⊢ ((𝐷 ∈ ℂ ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 ·ih (𝐷 ·ℎ 𝐵)) = ((∗‘𝐷) · (𝐴 ·ih 𝐵))) | |
6 | 2, 3, 4, 5 | mp3an 1462 | . . . 4 ⊢ (𝐴 ·ih (𝐷 ·ℎ 𝐵)) = ((∗‘𝐷) · (𝐴 ·ih 𝐵)) |
7 | 1, 6 | eqtrdi 2789 | . . 3 ⊢ ((𝑇‘𝐵) = (𝐷 ·ℎ 𝐵) → (𝐴 ·ih (𝑇‘𝐵)) = ((∗‘𝐷) · (𝐴 ·ih 𝐵))) |
8 | oveq1 7177 | . . . 4 ⊢ ((𝑇‘𝐴) = (𝐶 ·ℎ 𝐴) → ((𝑇‘𝐴) ·ih 𝐵) = ((𝐶 ·ℎ 𝐴) ·ih 𝐵)) | |
9 | eigorthi.3 | . . . . 5 ⊢ 𝐶 ∈ ℂ | |
10 | ax-his3 29019 | . . . . 5 ⊢ ((𝐶 ∈ ℂ ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝐶 ·ℎ 𝐴) ·ih 𝐵) = (𝐶 · (𝐴 ·ih 𝐵))) | |
11 | 9, 3, 4, 10 | mp3an 1462 | . . . 4 ⊢ ((𝐶 ·ℎ 𝐴) ·ih 𝐵) = (𝐶 · (𝐴 ·ih 𝐵)) |
12 | 8, 11 | eqtrdi 2789 | . . 3 ⊢ ((𝑇‘𝐴) = (𝐶 ·ℎ 𝐴) → ((𝑇‘𝐴) ·ih 𝐵) = (𝐶 · (𝐴 ·ih 𝐵))) |
13 | 7, 12 | eqeqan12rd 2757 | . 2 ⊢ (((𝑇‘𝐴) = (𝐶 ·ℎ 𝐴) ∧ (𝑇‘𝐵) = (𝐷 ·ℎ 𝐵)) → ((𝐴 ·ih (𝑇‘𝐵)) = ((𝑇‘𝐴) ·ih 𝐵) ↔ ((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)))) |
14 | 3, 4 | hicli 29016 | . . . . . . . 8 ⊢ (𝐴 ·ih 𝐵) ∈ ℂ |
15 | 2 | cjcli 14618 | . . . . . . . . 9 ⊢ (∗‘𝐷) ∈ ℂ |
16 | mulcan2 11356 | . . . . . . . . 9 ⊢ (((∗‘𝐷) ∈ ℂ ∧ 𝐶 ∈ ℂ ∧ ((𝐴 ·ih 𝐵) ∈ ℂ ∧ (𝐴 ·ih 𝐵) ≠ 0)) → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) ↔ (∗‘𝐷) = 𝐶)) | |
17 | 15, 9, 16 | mp3an12 1452 | . . . . . . . 8 ⊢ (((𝐴 ·ih 𝐵) ∈ ℂ ∧ (𝐴 ·ih 𝐵) ≠ 0) → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) ↔ (∗‘𝐷) = 𝐶)) |
18 | 14, 17 | mpan 690 | . . . . . . 7 ⊢ ((𝐴 ·ih 𝐵) ≠ 0 → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) ↔ (∗‘𝐷) = 𝐶)) |
19 | eqcom 2745 | . . . . . . 7 ⊢ ((∗‘𝐷) = 𝐶 ↔ 𝐶 = (∗‘𝐷)) | |
20 | 18, 19 | bitrdi 290 | . . . . . 6 ⊢ ((𝐴 ·ih 𝐵) ≠ 0 → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) ↔ 𝐶 = (∗‘𝐷))) |
21 | 20 | biimpcd 252 | . . . . 5 ⊢ (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) → ((𝐴 ·ih 𝐵) ≠ 0 → 𝐶 = (∗‘𝐷))) |
22 | 21 | necon1d 2956 | . . . 4 ⊢ (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) → (𝐶 ≠ (∗‘𝐷) → (𝐴 ·ih 𝐵) = 0)) |
23 | 22 | com12 32 | . . 3 ⊢ (𝐶 ≠ (∗‘𝐷) → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) → (𝐴 ·ih 𝐵) = 0)) |
24 | oveq2 7178 | . . . 4 ⊢ ((𝐴 ·ih 𝐵) = 0 → ((∗‘𝐷) · (𝐴 ·ih 𝐵)) = ((∗‘𝐷) · 0)) | |
25 | oveq2 7178 | . . . . 5 ⊢ ((𝐴 ·ih 𝐵) = 0 → (𝐶 · (𝐴 ·ih 𝐵)) = (𝐶 · 0)) | |
26 | 9 | mul01i 10908 | . . . . . 6 ⊢ (𝐶 · 0) = 0 |
27 | 15 | mul01i 10908 | . . . . . 6 ⊢ ((∗‘𝐷) · 0) = 0 |
28 | 26, 27 | eqtr4i 2764 | . . . . 5 ⊢ (𝐶 · 0) = ((∗‘𝐷) · 0) |
29 | 25, 28 | eqtrdi 2789 | . . . 4 ⊢ ((𝐴 ·ih 𝐵) = 0 → (𝐶 · (𝐴 ·ih 𝐵)) = ((∗‘𝐷) · 0)) |
30 | 24, 29 | eqtr4d 2776 | . . 3 ⊢ ((𝐴 ·ih 𝐵) = 0 → ((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵))) |
31 | 23, 30 | impbid1 228 | . 2 ⊢ (𝐶 ≠ (∗‘𝐷) → (((∗‘𝐷) · (𝐴 ·ih 𝐵)) = (𝐶 · (𝐴 ·ih 𝐵)) ↔ (𝐴 ·ih 𝐵) = 0)) |
32 | 13, 31 | sylan9bb 513 | 1 ⊢ ((((𝑇‘𝐴) = (𝐶 ·ℎ 𝐴) ∧ (𝑇‘𝐵) = (𝐷 ·ℎ 𝐵)) ∧ 𝐶 ≠ (∗‘𝐷)) → ((𝐴 ·ih (𝑇‘𝐵)) = ((𝑇‘𝐴) ·ih 𝐵) ↔ (𝐴 ·ih 𝐵) = 0)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1542 ∈ wcel 2114 ≠ wne 2934 ‘cfv 6339 (class class class)co 7170 ℂcc 10613 0cc0 10615 · cmul 10620 ∗ccj 14545 ℋchba 28854 ·ℎ csm 28856 ·ih csp 28857 |
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 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2710 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7479 ax-resscn 10672 ax-1cn 10673 ax-icn 10674 ax-addcl 10675 ax-addrcl 10676 ax-mulcl 10677 ax-mulrcl 10678 ax-mulcom 10679 ax-addass 10680 ax-mulass 10681 ax-distr 10682 ax-i2m1 10683 ax-1ne0 10684 ax-1rid 10685 ax-rnegex 10686 ax-rrecex 10687 ax-cnre 10688 ax-pre-lttri 10689 ax-pre-lttrn 10690 ax-pre-ltadd 10691 ax-pre-mulgt0 10692 ax-hfvmul 28940 ax-hfi 29014 ax-his1 29017 ax-his3 29019 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-nel 3039 df-ral 3058 df-rex 3059 df-reu 3060 df-rmo 3061 df-rab 3062 df-v 3400 df-sbc 3681 df-csb 3791 df-dif 3846 df-un 3848 df-in 3850 df-ss 3860 df-nul 4212 df-if 4415 df-pw 4490 df-sn 4517 df-pr 4519 df-op 4523 df-uni 4797 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5429 df-po 5442 df-so 5443 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-iota 6297 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-riota 7127 df-ov 7173 df-oprab 7174 df-mpo 7175 df-er 8320 df-en 8556 df-dom 8557 df-sdom 8558 df-pnf 10755 df-mnf 10756 df-xr 10757 df-ltxr 10758 df-le 10759 df-sub 10950 df-neg 10951 df-div 11376 df-2 11779 df-cj 14548 df-re 14549 df-im 14550 |
This theorem is referenced by: eigorth 29773 |
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