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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 2736 | . . 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 40278 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
| 6 | lhpocnel2.p | . . . 4 ⊢ 𝑃 = ((oc‘𝐾)‘𝑊) | |
| 7 | 6 | eleq1i 2827 | . . 3 ⊢ (𝑃 ∈ 𝐴 ↔ ((oc‘𝐾)‘𝑊) ∈ 𝐴) |
| 8 | 6 | breq1i 5105 | . . . 4 ⊢ (𝑃 ≤ 𝑊 ↔ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
| 9 | 8 | notbii 320 | . . 3 ⊢ (¬ 𝑃 ≤ 𝑊 ↔ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
| 10 | 7, 9 | anbi12i 628 | . 2 ⊢ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ↔ (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
| 11 | 5, 10 | sylibr 234 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 class class class wbr 5098 ‘cfv 6492 lecple 17184 occoc 17185 Atomscatm 39523 HLchlt 39610 LHypclh 40244 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-proset 18217 df-poset 18236 df-plt 18251 df-lub 18267 df-glb 18268 df-meet 18270 df-p0 18346 df-p1 18347 df-lat 18355 df-oposet 39436 df-ol 39438 df-oml 39439 df-covers 39526 df-ats 39527 df-atl 39558 df-cvlat 39582 df-hlat 39611 df-lhyp 40248 |
| This theorem is referenced by: cdlemk56w 41233 diclspsn 41454 cdlemn3 41457 cdlemn4 41458 cdlemn4a 41459 cdlemn6 41462 cdlemn8 41464 cdlemn9 41465 cdlemn11a 41467 dihordlem7b 41475 dihopelvalcpre 41508 dihmeetlem1N 41550 dihglblem5apreN 41551 dihglbcpreN 41560 dihmeetlem4preN 41566 dihmeetlem13N 41579 dih1dimatlem0 41588 dih1dimatlem 41589 dihpN 41596 dihatexv 41598 dihjatcclem3 41680 dihjatcclem4 41681 |
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