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Mirrors > Home > HSE Home > Th. List > ocorth | Structured version Visualization version GIF version |
Description: Members of a subset and its complement are orthogonal. (Contributed by NM, 9-Aug-2000.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ocorth | ⊢ (𝐻 ⊆ ℋ → ((𝐴 ∈ 𝐻 ∧ 𝐵 ∈ (⊥‘𝐻)) → (𝐴 ·ih 𝐵) = 0)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ocel 31304 | . . . . . 6 ⊢ (𝐻 ⊆ ℋ → (𝐵 ∈ (⊥‘𝐻) ↔ (𝐵 ∈ ℋ ∧ ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0))) | |
2 | 1 | simplbda 499 | . . . . 5 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻)) → ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0) |
3 | 2 | adantl 481 | . . . 4 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0) |
4 | oveq2 7453 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝐵 ·ih 𝑥) = (𝐵 ·ih 𝐴)) | |
5 | 4 | eqeq1d 2736 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → ((𝐵 ·ih 𝑥) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) |
6 | 5 | rspcv 3627 | . . . . . 6 ⊢ (𝐴 ∈ 𝐻 → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐵 ·ih 𝐴) = 0)) |
7 | 6 | ad2antlr 726 | . . . . 5 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐵 ·ih 𝐴) = 0)) |
8 | ssel2 3997 | . . . . . 6 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) → 𝐴 ∈ ℋ) | |
9 | ocss 31308 | . . . . . . 7 ⊢ (𝐻 ⊆ ℋ → (⊥‘𝐻) ⊆ ℋ) | |
10 | 9 | sselda 4002 | . . . . . 6 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻)) → 𝐵 ∈ ℋ) |
11 | orthcom 31131 | . . . . . 6 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝐴 ·ih 𝐵) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) | |
12 | 8, 10, 11 | syl2an 595 | . . . . 5 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → ((𝐴 ·ih 𝐵) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) |
13 | 7, 12 | sylibrd 259 | . . . 4 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐴 ·ih 𝐵) = 0)) |
14 | 3, 13 | mpd 15 | . . 3 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (𝐴 ·ih 𝐵) = 0) |
15 | 14 | anandis 677 | . 2 ⊢ ((𝐻 ⊆ ℋ ∧ (𝐴 ∈ 𝐻 ∧ 𝐵 ∈ (⊥‘𝐻))) → (𝐴 ·ih 𝐵) = 0) |
16 | 15 | ex 412 | 1 ⊢ (𝐻 ⊆ ℋ → ((𝐴 ∈ 𝐻 ∧ 𝐵 ∈ (⊥‘𝐻)) → (𝐴 ·ih 𝐵) = 0)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1537 ∈ wcel 2103 ∀wral 3063 ⊆ wss 3970 ‘cfv 6572 (class class class)co 7445 0cc0 11180 ℋchba 30942 ·ih csp 30945 ⊥cort 30953 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2105 ax-9 2113 ax-10 2136 ax-11 2153 ax-12 2173 ax-ext 2705 ax-sep 5320 ax-nul 5327 ax-pow 5386 ax-pr 5450 ax-un 7766 ax-resscn 11237 ax-1cn 11238 ax-icn 11239 ax-addcl 11240 ax-addrcl 11241 ax-mulcl 11242 ax-mulrcl 11243 ax-mulcom 11244 ax-addass 11245 ax-mulass 11246 ax-distr 11247 ax-i2m1 11248 ax-1ne0 11249 ax-1rid 11250 ax-rnegex 11251 ax-rrecex 11252 ax-cnre 11253 ax-pre-lttri 11254 ax-pre-lttrn 11255 ax-pre-ltadd 11256 ax-pre-mulgt0 11257 ax-hilex 31022 ax-hfvadd 31023 ax-hv0cl 31026 ax-hfvmul 31028 ax-hvmul0 31033 ax-hfi 31102 ax-his1 31105 ax-his2 31106 ax-his3 31107 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2890 df-ne 2943 df-nel 3049 df-ral 3064 df-rex 3073 df-rmo 3383 df-reu 3384 df-rab 3439 df-v 3484 df-sbc 3799 df-csb 3916 df-dif 3973 df-un 3975 df-in 3977 df-ss 3987 df-nul 4348 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-iun 5021 df-br 5170 df-opab 5232 df-mpt 5253 df-id 5597 df-po 5611 df-so 5612 df-xp 5705 df-rel 5706 df-cnv 5707 df-co 5708 df-dm 5709 df-rn 5710 df-res 5711 df-ima 5712 df-iota 6524 df-fun 6574 df-fn 6575 df-f 6576 df-f1 6577 df-fo 6578 df-f1o 6579 df-fv 6580 df-riota 7401 df-ov 7448 df-oprab 7449 df-mpo 7450 df-er 8759 df-en 9000 df-dom 9001 df-sdom 9002 df-pnf 11322 df-mnf 11323 df-xr 11324 df-ltxr 11325 df-le 11326 df-sub 11518 df-neg 11519 df-div 11944 df-2 12352 df-cj 15144 df-re 15145 df-im 15146 df-sh 31230 df-oc 31275 |
This theorem is referenced by: shocorth 31315 ococss 31316 riesz3i 32085 |
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