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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lhpocnel | 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, 25-May-2012.) |
| Ref | Expression |
|---|---|
| lhpocnel.l | ⊢ ≤ = (le‘𝐾) |
| lhpocnel.o | ⊢ ⊥ = (oc‘𝐾) |
| lhpocnel.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| lhpocnel.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| Ref | Expression |
|---|---|
| lhpocnel | ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (( ⊥ ‘𝑊) ∈ 𝐴 ∧ ¬ ( ⊥ ‘𝑊) ≤ 𝑊)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lhpocnel.o | . . 3 ⊢ ⊥ = (oc‘𝐾) | |
| 2 | lhpocnel.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 3 | lhpocnel.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 4 | 1, 2, 3 | lhpocat 39978 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ( ⊥ ‘𝑊) ∈ 𝐴) |
| 5 | lhpocnel.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 6 | 5, 1, 3 | lhpocnle 39977 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ¬ ( ⊥ ‘𝑊) ≤ 𝑊) |
| 7 | 4, 6 | jca 511 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (( ⊥ ‘𝑊) ∈ 𝐴 ∧ ¬ ( ⊥ ‘𝑊) ≤ 𝑊)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2107 class class class wbr 5123 ‘cfv 6541 lecple 17280 occoc 17281 Atomscatm 39223 HLchlt 39310 LHypclh 39945 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5259 ax-sep 5276 ax-nul 5286 ax-pow 5345 ax-pr 5412 ax-un 7737 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4888 df-iun 4973 df-br 5124 df-opab 5186 df-mpt 5206 df-id 5558 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-iota 6494 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7370 df-ov 7416 df-oprab 7417 df-proset 18310 df-poset 18329 df-plt 18344 df-lub 18360 df-glb 18361 df-meet 18363 df-p0 18439 df-p1 18440 df-lat 18446 df-oposet 39136 df-ol 39138 df-oml 39139 df-covers 39226 df-ats 39227 df-atl 39258 df-cvlat 39282 df-hlat 39311 df-lhyp 39949 |
| This theorem is referenced by: lhpocnel2 39980 trlcl 40125 trlle 40145 cdlemk19w 40933 dia2dimlem8 41032 dicssdvh 41147 dicvaddcl 41151 dicvscacl 41152 dicn0 41153 dih1 41247 dihatlat 41295 |
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