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Mirrors > Home > MPE Home > Th. List > Mathboxes > llni2 | Structured version Visualization version GIF version |
Description: The join of two different atoms is a lattice line. (Contributed by NM, 26-Jun-2012.) |
Ref | Expression |
---|---|
llni2.j | ⊢ ∨ = (join‘𝐾) |
llni2.a | ⊢ 𝐴 = (Atoms‘𝐾) |
llni2.n | ⊢ 𝑁 = (LLines‘𝐾) |
Ref | Expression |
---|---|
llni2 | ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) ∈ 𝑁) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl2 1194 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑃 ∈ 𝐴) | |
2 | simpl3 1195 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑄 ∈ 𝐴) | |
3 | simpr 488 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑃 ≠ 𝑄) | |
4 | eqidd 2738 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄)) | |
5 | neeq1 3003 | . . . . 5 ⊢ (𝑟 = 𝑃 → (𝑟 ≠ 𝑠 ↔ 𝑃 ≠ 𝑠)) | |
6 | oveq1 7220 | . . . . . 6 ⊢ (𝑟 = 𝑃 → (𝑟 ∨ 𝑠) = (𝑃 ∨ 𝑠)) | |
7 | 6 | eqeq2d 2748 | . . . . 5 ⊢ (𝑟 = 𝑃 → ((𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠) ↔ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠))) |
8 | 5, 7 | anbi12d 634 | . . . 4 ⊢ (𝑟 = 𝑃 → ((𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠)) ↔ (𝑃 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠)))) |
9 | neeq2 3004 | . . . . 5 ⊢ (𝑠 = 𝑄 → (𝑃 ≠ 𝑠 ↔ 𝑃 ≠ 𝑄)) | |
10 | oveq2 7221 | . . . . . 6 ⊢ (𝑠 = 𝑄 → (𝑃 ∨ 𝑠) = (𝑃 ∨ 𝑄)) | |
11 | 10 | eqeq2d 2748 | . . . . 5 ⊢ (𝑠 = 𝑄 → ((𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠) ↔ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄))) |
12 | 9, 11 | anbi12d 634 | . . . 4 ⊢ (𝑠 = 𝑄 → ((𝑃 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠)) ↔ (𝑃 ≠ 𝑄 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄)))) |
13 | 8, 12 | rspc2ev 3549 | . . 3 ⊢ ((𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ (𝑃 ≠ 𝑄 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄))) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠))) |
14 | 1, 2, 3, 4, 13 | syl112anc 1376 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠))) |
15 | simpl1 1193 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝐾 ∈ HL) | |
16 | eqid 2737 | . . . . 5 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
17 | llni2.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
18 | llni2.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
19 | 16, 17, 18 | hlatjcl 37118 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) |
20 | 19 | adantr 484 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) |
21 | llni2.n | . . . 4 ⊢ 𝑁 = (LLines‘𝐾) | |
22 | 16, 17, 18, 21 | islln3 37261 | . . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) → ((𝑃 ∨ 𝑄) ∈ 𝑁 ↔ ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠)))) |
23 | 15, 20, 22 | syl2anc 587 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → ((𝑃 ∨ 𝑄) ∈ 𝑁 ↔ ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠)))) |
24 | 14, 23 | mpbird 260 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) ∈ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 ≠ wne 2940 ∃wrex 3062 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 joincjn 17818 Atomscatm 37014 HLchlt 37101 LLinesclln 37242 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-id 5455 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-proset 17802 df-poset 17820 df-plt 17836 df-lub 17852 df-glb 17853 df-join 17854 df-meet 17855 df-p0 17931 df-lat 17938 df-clat 18005 df-oposet 36927 df-ol 36929 df-oml 36930 df-covers 37017 df-ats 37018 df-atl 37049 df-cvlat 37073 df-hlat 37102 df-llines 37249 |
This theorem is referenced by: 2atneat 37266 islln2a 37268 2at0mat0 37276 ps-2c 37279 lplnnle2at 37292 2atmat 37312 lplnexllnN 37315 dalempjsen 37404 dalemcea 37411 dalem2 37412 dalemdea 37413 dalem16 37430 dalemcjden 37443 dalem23 37447 dalem54 37477 dalem60 37483 llnexchb2 37620 arglem1N 37941 cdlemc5 37946 cdleme20l1 38071 cdleme20l2 38072 cdleme20l 38073 cdleme22b 38092 cdlemeg46req 38280 cdlemh 38568 |
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