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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 2740 | . . 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 39975 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
6 | lhpocnel2.p | . . . 4 ⊢ 𝑃 = ((oc‘𝐾)‘𝑊) | |
7 | 6 | eleq1i 2835 | . . 3 ⊢ (𝑃 ∈ 𝐴 ↔ ((oc‘𝐾)‘𝑊) ∈ 𝐴) |
8 | 6 | breq1i 5173 | . . . 4 ⊢ (𝑃 ≤ 𝑊 ↔ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
9 | 8 | notbii 320 | . . 3 ⊢ (¬ 𝑃 ≤ 𝑊 ↔ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
10 | 7, 9 | anbi12i 627 | . 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 1537 ∈ wcel 2108 class class class wbr 5166 ‘cfv 6573 lecple 17318 occoc 17319 Atomscatm 39219 HLchlt 39306 LHypclh 39941 |
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 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-proset 18365 df-poset 18383 df-plt 18400 df-lub 18416 df-glb 18417 df-meet 18419 df-p0 18495 df-p1 18496 df-lat 18502 df-oposet 39132 df-ol 39134 df-oml 39135 df-covers 39222 df-ats 39223 df-atl 39254 df-cvlat 39278 df-hlat 39307 df-lhyp 39945 |
This theorem is referenced by: cdlemk56w 40930 diclspsn 41151 cdlemn3 41154 cdlemn4 41155 cdlemn4a 41156 cdlemn6 41159 cdlemn8 41161 cdlemn9 41162 cdlemn11a 41164 dihordlem7b 41172 dihopelvalcpre 41205 dihmeetlem1N 41247 dihglblem5apreN 41248 dihglbcpreN 41257 dihmeetlem4preN 41263 dihmeetlem13N 41276 dih1dimatlem0 41285 dih1dimatlem 41286 dihpN 41293 dihatexv 41295 dihjatcclem3 41377 dihjatcclem4 41378 |
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