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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > lhpocnel2 | Structured version Visualization version GIF version |
Description: The orthocomplement of a co-atom is an atom not under it. Provides a convenient construction when we need the existence of any object with this property. (Contributed by NM, 20-Feb-2014.) |
Ref | Expression |
---|---|
lhpocnel2.l | ⊢ ≤ = (le‘𝐾) |
lhpocnel2.a | ⊢ 𝐴 = (Atoms‘𝐾) |
lhpocnel2.h | ⊢ 𝐻 = (LHyp‘𝐾) |
lhpocnel2.p | ⊢ 𝑃 = ((oc‘𝐾)‘𝑊) |
Ref | Expression |
---|---|
lhpocnel2 | ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lhpocnel2.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
2 | eqid 2798 | . . 3 ⊢ (oc‘𝐾) = (oc‘𝐾) | |
3 | lhpocnel2.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | lhpocnel2.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
5 | 1, 2, 3, 4 | lhpocnel 37314 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
6 | lhpocnel2.p | . . . 4 ⊢ 𝑃 = ((oc‘𝐾)‘𝑊) | |
7 | 6 | eleq1i 2880 | . . 3 ⊢ (𝑃 ∈ 𝐴 ↔ ((oc‘𝐾)‘𝑊) ∈ 𝐴) |
8 | 6 | breq1i 5037 | . . . 4 ⊢ (𝑃 ≤ 𝑊 ↔ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
9 | 8 | notbii 323 | . . 3 ⊢ (¬ 𝑃 ≤ 𝑊 ↔ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
10 | 7, 9 | anbi12i 629 | . 2 ⊢ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ↔ (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
11 | 5, 10 | sylibr 237 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 class class class wbr 5030 ‘cfv 6324 lecple 16564 occoc 16565 Atomscatm 36559 HLchlt 36646 LHypclh 37280 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-proset 17530 df-poset 17548 df-plt 17560 df-lub 17576 df-glb 17577 df-meet 17579 df-p0 17641 df-p1 17642 df-lat 17648 df-oposet 36472 df-ol 36474 df-oml 36475 df-covers 36562 df-ats 36563 df-atl 36594 df-cvlat 36618 df-hlat 36647 df-lhyp 37284 |
This theorem is referenced by: cdlemk56w 38269 diclspsn 38490 cdlemn3 38493 cdlemn4 38494 cdlemn4a 38495 cdlemn6 38498 cdlemn8 38500 cdlemn9 38501 cdlemn11a 38503 dihordlem7b 38511 dihopelvalcpre 38544 dihmeetlem1N 38586 dihglblem5apreN 38587 dihglbcpreN 38596 dihmeetlem4preN 38602 dihmeetlem13N 38615 dih1dimatlem0 38624 dih1dimatlem 38625 dihpN 38632 dihatexv 38634 dihjatcclem3 38716 dihjatcclem4 38717 |
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