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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 40006 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ( ⊥ ‘𝑊) ∈ 𝐴) |
| 5 | lhpocnel.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 6 | 5, 1, 3 | lhpocnle 40005 | . 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 1540 ∈ wcel 2109 class class class wbr 5109 ‘cfv 6513 lecple 17233 occoc 17234 Atomscatm 39251 HLchlt 39338 LHypclh 39973 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5236 ax-sep 5253 ax-nul 5263 ax-pow 5322 ax-pr 5389 ax-un 7713 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3756 df-csb 3865 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5110 df-opab 5172 df-mpt 5191 df-id 5535 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-iota 6466 df-fun 6515 df-fn 6516 df-f 6517 df-f1 6518 df-fo 6519 df-f1o 6520 df-fv 6521 df-riota 7346 df-ov 7392 df-oprab 7393 df-proset 18261 df-poset 18280 df-plt 18295 df-lub 18311 df-glb 18312 df-meet 18314 df-p0 18390 df-p1 18391 df-lat 18397 df-oposet 39164 df-ol 39166 df-oml 39167 df-covers 39254 df-ats 39255 df-atl 39286 df-cvlat 39310 df-hlat 39339 df-lhyp 39977 |
| This theorem is referenced by: lhpocnel2 40008 trlcl 40153 trlle 40173 cdlemk19w 40961 dia2dimlem8 41060 dicssdvh 41175 dicvaddcl 41179 dicvscacl 41180 dicn0 41181 dih1 41275 dihatlat 41323 |
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