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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 40480 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ( ⊥ ‘𝑊) ∈ 𝐴) |
| 5 | lhpocnel.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 6 | 5, 1, 3 | lhpocnle 40479 | . 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 1542 ∈ wcel 2114 class class class wbr 5086 ‘cfv 6493 lecple 17221 occoc 17222 Atomscatm 39726 HLchlt 39813 LHypclh 40447 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-proset 18254 df-poset 18273 df-plt 18288 df-lub 18304 df-glb 18305 df-meet 18307 df-p0 18383 df-p1 18384 df-lat 18392 df-oposet 39639 df-ol 39641 df-oml 39642 df-covers 39729 df-ats 39730 df-atl 39761 df-cvlat 39785 df-hlat 39814 df-lhyp 40451 |
| This theorem is referenced by: lhpocnel2 40482 trlcl 40627 trlle 40647 cdlemk19w 41435 dia2dimlem8 41534 dicssdvh 41649 dicvaddcl 41653 dicvscacl 41654 dicn0 41655 dih1 41749 dihatlat 41797 |
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