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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 31748 | . . . . . 6 ⊢ (𝐻 ⊆ ℋ → (𝐵 ∈ (⊥‘𝐻) ↔ (𝐵 ∈ ℋ ∧ ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0))) | |
| 2 | 1 | simplbda 505 | . . . . 5 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻)) → ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0) |
| 3 | 2 | adantl 487 | . . . 4 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → ∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0) |
| 4 | oveq2 7424 | . . . . . . . 8 ⊢ (𝑥 = 𝐴 → (𝐵 ·ih 𝑥) = (𝐵 ·ih 𝐴)) | |
| 5 | 4 | eqeq1d 2764 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → ((𝐵 ·ih 𝑥) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) |
| 6 | 5 | rspcv 3575 | . . . . . 6 ⊢ (𝐴 ∈ 𝐻 → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐵 ·ih 𝐴) = 0)) |
| 7 | 6 | ad2antlr 740 | . . . . 5 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐵 ·ih 𝐴) = 0)) |
| 8 | ssel2 3929 | . . . . . 6 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) → 𝐴 ∈ ℋ) | |
| 9 | ocss 31752 | . . . . . . 7 ⊢ (𝐻 ⊆ ℋ → (⊥‘𝐻) ⊆ ℋ) | |
| 10 | 9 | sselda 3934 | . . . . . 6 ⊢ ((𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻)) → 𝐵 ∈ ℋ) |
| 11 | orthcom 31575 | . . . . . 6 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝐴 ·ih 𝐵) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) | |
| 12 | 8, 10, 11 | syl2an 608 | . . . . 5 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → ((𝐴 ·ih 𝐵) = 0 ↔ (𝐵 ·ih 𝐴) = 0)) |
| 13 | 7, 12 | sylibrd 262 | . . . 4 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (∀𝑥 ∈ 𝐻 (𝐵 ·ih 𝑥) = 0 → (𝐴 ·ih 𝐵) = 0)) |
| 14 | 3, 13 | mpd 16 | . . 3 ⊢ (((𝐻 ⊆ ℋ ∧ 𝐴 ∈ 𝐻) ∧ (𝐻 ⊆ ℋ ∧ 𝐵 ∈ (⊥‘𝐻))) → (𝐴 ·ih 𝐵) = 0) |
| 15 | 14 | anandis 691 | . 2 ⊢ ((𝐻 ⊆ ℋ ∧ (𝐴 ∈ 𝐻 ∧ 𝐵 ∈ (⊥‘𝐻))) → (𝐴 ·ih 𝐵) = 0) |
| 16 | 15 | ex 418 | 1 ⊢ (𝐻 ⊆ ℋ → ((𝐴 ∈ 𝐻 ∧ 𝐵 ∈ (⊥‘𝐻)) → (𝐴 ·ih 𝐵) = 0)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3078 ⊆ wss 3902 ‘cfv 6537 (class class class)co 7416 0cc0 11127 ℋchba 31386 ·ih csp 31389 ⊥cort 31397 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-hilex 31466 ax-hfvadd 31467 ax-hv0cl 31470 ax-hfvmul 31472 ax-hvmul0 31477 ax-hfi 31546 ax-his1 31549 ax-his2 31550 ax-his3 31551 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-2 12330 df-cj 15188 df-re 15189 df-im 15190 df-sh 31674 df-oc 31719 |
| This theorem is used by: shocorth 31759 ococss 31760 riesz3i 32529 |
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