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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 2762 | . . 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 40642 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
| 6 | lhpocnel2.p | . . . 4 ⊢ 𝑃 = ((oc‘𝐾)‘𝑊) | |
| 7 | 6 | eleq1i 2853 | . . 3 ⊢ (𝑃 ∈ 𝐴 ↔ ((oc‘𝐾)‘𝑊) ∈ 𝐴) |
| 8 | 6 | breq1i 5107 | . . . 4 ⊢ (𝑃 ≤ 𝑊 ↔ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
| 9 | 8 | notbii 322 | . . 3 ⊢ (¬ 𝑃 ≤ 𝑊 ↔ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊) |
| 10 | 7, 9 | anbi12i 637 | . 2 ⊢ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ↔ (((oc‘𝐾)‘𝑊) ∈ 𝐴 ∧ ¬ ((oc‘𝐾)‘𝑊) ≤ 𝑊)) |
| 11 | 5, 10 | sylibr 236 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 = wceq 1560 ∈ wcel 2142 class class class wbr 5100 ‘cfv 6521 lecple 17293 occoc 17294 Atomscatm 39887 HLchlt 39974 LHypclh 40608 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-proset 18326 df-poset 18345 df-plt 18360 df-lub 18376 df-glb 18377 df-meet 18379 df-p0 18455 df-p1 18456 df-lat 18464 df-oposet 39800 df-ol 39802 df-oml 39803 df-covers 39890 df-ats 39891 df-atl 39922 df-cvlat 39946 df-hlat 39975 df-lhyp 40612 |
| This theorem is referenced by: cdlemk56w 41597 diclspsn 41818 cdlemn3 41821 cdlemn4 41822 cdlemn4a 41823 cdlemn6 41826 cdlemn8 41828 cdlemn9 41829 cdlemn11a 41831 dihordlem7b 41839 dihopelvalcpre 41872 dihmeetlem1N 41914 dihglblem5apreN 41915 dihglbcpreN 41924 dihmeetlem4preN 41930 dihmeetlem13N 41943 dih1dimatlem0 41952 dih1dimatlem 41953 dihpN 41960 dihatexv 41962 dihjatcclem3 42044 dihjatcclem4 42045 |
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