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Mirrors > Home > HSE Home > Th. List > shorth | Structured version Visualization version GIF version |
Description: Members of orthogonal subspaces are orthogonal. (Contributed by NM, 17-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
shorth | ⊢ (𝐻 ∈ Sℋ → (𝐺 ⊆ (⊥‘𝐻) → ((𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻) → (𝐴 ·ih 𝐵) = 0))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3910 | . . . . . 6 ⊢ (𝐺 ⊆ (⊥‘𝐻) → (𝐴 ∈ 𝐺 → 𝐴 ∈ (⊥‘𝐻))) | |
2 | 1 | anim1d 610 | . . . . 5 ⊢ (𝐺 ⊆ (⊥‘𝐻) → ((𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻) → (𝐴 ∈ (⊥‘𝐻) ∧ 𝐵 ∈ 𝐻))) |
3 | 2 | imp 406 | . . . 4 ⊢ ((𝐺 ⊆ (⊥‘𝐻) ∧ (𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻)) → (𝐴 ∈ (⊥‘𝐻) ∧ 𝐵 ∈ 𝐻)) |
4 | 3 | ancomd 461 | . . 3 ⊢ ((𝐺 ⊆ (⊥‘𝐻) ∧ (𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻)) → (𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻))) |
5 | shocorth 29555 | . . . . 5 ⊢ (𝐻 ∈ Sℋ → ((𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻)) → (𝐵 ·ih 𝐴) = 0)) | |
6 | 5 | imp 406 | . . . 4 ⊢ ((𝐻 ∈ Sℋ ∧ (𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻))) → (𝐵 ·ih 𝐴) = 0) |
7 | shss 29473 | . . . . . . . 8 ⊢ (𝐻 ∈ Sℋ → 𝐻 ⊆ ℋ) | |
8 | 7 | sseld 3916 | . . . . . . 7 ⊢ (𝐻 ∈ Sℋ → (𝐵 ∈ 𝐻 → 𝐵 ∈ ℋ)) |
9 | shocss 29549 | . . . . . . . 8 ⊢ (𝐻 ∈ Sℋ → (⊥‘𝐻) ⊆ ℋ) | |
10 | 9 | sseld 3916 | . . . . . . 7 ⊢ (𝐻 ∈ Sℋ → (𝐴 ∈ (⊥‘𝐻) → 𝐴 ∈ ℋ)) |
11 | 8, 10 | anim12d 608 | . . . . . 6 ⊢ (𝐻 ∈ Sℋ → ((𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻)) → (𝐵 ∈ ℋ ∧ 𝐴 ∈ ℋ))) |
12 | 11 | imp 406 | . . . . 5 ⊢ ((𝐻 ∈ Sℋ ∧ (𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻))) → (𝐵 ∈ ℋ ∧ 𝐴 ∈ ℋ)) |
13 | orthcom 29371 | . . . . 5 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ∈ ℋ) → ((𝐵 ·ih 𝐴) = 0 ↔ (𝐴 ·ih 𝐵) = 0)) | |
14 | 12, 13 | syl 17 | . . . 4 ⊢ ((𝐻 ∈ Sℋ ∧ (𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻))) → ((𝐵 ·ih 𝐴) = 0 ↔ (𝐴 ·ih 𝐵) = 0)) |
15 | 6, 14 | mpbid 231 | . . 3 ⊢ ((𝐻 ∈ Sℋ ∧ (𝐵 ∈ 𝐻 ∧ 𝐴 ∈ (⊥‘𝐻))) → (𝐴 ·ih 𝐵) = 0) |
16 | 4, 15 | sylan2 592 | . 2 ⊢ ((𝐻 ∈ Sℋ ∧ (𝐺 ⊆ (⊥‘𝐻) ∧ (𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻))) → (𝐴 ·ih 𝐵) = 0) |
17 | 16 | exp32 420 | 1 ⊢ (𝐻 ∈ Sℋ → (𝐺 ⊆ (⊥‘𝐻) → ((𝐴 ∈ 𝐺 ∧ 𝐵 ∈ 𝐻) → (𝐴 ·ih 𝐵) = 0))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ⊆ wss 3883 ‘cfv 6418 (class class class)co 7255 0cc0 10802 ℋchba 29182 ·ih csp 29185 Sℋ csh 29191 ⊥cort 29193 |
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-pre-mulgt0 10879 ax-hilex 29262 ax-hfvadd 29263 ax-hv0cl 29266 ax-hfvmul 29268 ax-hvmul0 29273 ax-hfi 29342 ax-his1 29345 ax-his2 29346 ax-his3 29347 |
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-reu 3070 df-rmo 3071 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-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-2 11966 df-cj 14738 df-re 14739 df-im 14740 df-sh 29470 df-oc 29515 |
This theorem is referenced by: pjoi0 29980 |
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