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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 1190 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑃 ∈ 𝐴) | |
2 | simpl3 1191 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑄 ∈ 𝐴) | |
3 | simpr 484 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝑃 ≠ 𝑄) | |
4 | eqidd 2739 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄)) | |
5 | neeq1 3005 | . . . . 5 ⊢ (𝑟 = 𝑃 → (𝑟 ≠ 𝑠 ↔ 𝑃 ≠ 𝑠)) | |
6 | oveq1 7262 | . . . . . 6 ⊢ (𝑟 = 𝑃 → (𝑟 ∨ 𝑠) = (𝑃 ∨ 𝑠)) | |
7 | 6 | eqeq2d 2749 | . . . . 5 ⊢ (𝑟 = 𝑃 → ((𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠) ↔ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠))) |
8 | 5, 7 | anbi12d 630 | . . . 4 ⊢ (𝑟 = 𝑃 → ((𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠)) ↔ (𝑃 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠)))) |
9 | neeq2 3006 | . . . . 5 ⊢ (𝑠 = 𝑄 → (𝑃 ≠ 𝑠 ↔ 𝑃 ≠ 𝑄)) | |
10 | oveq2 7263 | . . . . . 6 ⊢ (𝑠 = 𝑄 → (𝑃 ∨ 𝑠) = (𝑃 ∨ 𝑄)) | |
11 | 10 | eqeq2d 2749 | . . . . 5 ⊢ (𝑠 = 𝑄 → ((𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠) ↔ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄))) |
12 | 9, 11 | anbi12d 630 | . . . 4 ⊢ (𝑠 = 𝑄 → ((𝑃 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑠)) ↔ (𝑃 ≠ 𝑄 ∧ (𝑃 ∨ 𝑄) = (𝑃 ∨ 𝑄)))) |
13 | 8, 12 | rspc2ev 3564 | . . 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 1372 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → ∃𝑟 ∈ 𝐴 ∃𝑠 ∈ 𝐴 (𝑟 ≠ 𝑠 ∧ (𝑃 ∨ 𝑄) = (𝑟 ∨ 𝑠))) |
15 | simpl1 1189 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → 𝐾 ∈ HL) | |
16 | eqid 2738 | . . . . 5 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
17 | llni2.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
18 | llni2.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
19 | 16, 17, 18 | hlatjcl 37308 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) |
20 | 19 | adantr 480 | . . 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 37451 | . . 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 583 | . 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 256 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 ≠ 𝑄) → (𝑃 ∨ 𝑄) ∈ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ∃wrex 3064 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 joincjn 17944 Atomscatm 37204 HLchlt 37291 LLinesclln 37432 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-proset 17928 df-poset 17946 df-plt 17963 df-lub 17979 df-glb 17980 df-join 17981 df-meet 17982 df-p0 18058 df-lat 18065 df-clat 18132 df-oposet 37117 df-ol 37119 df-oml 37120 df-covers 37207 df-ats 37208 df-atl 37239 df-cvlat 37263 df-hlat 37292 df-llines 37439 |
This theorem is referenced by: 2atneat 37456 islln2a 37458 2at0mat0 37466 ps-2c 37469 lplnnle2at 37482 2atmat 37502 lplnexllnN 37505 dalempjsen 37594 dalemcea 37601 dalem2 37602 dalemdea 37603 dalem16 37620 dalemcjden 37633 dalem23 37637 dalem54 37667 dalem60 37673 llnexchb2 37810 arglem1N 38131 cdlemc5 38136 cdleme20l1 38261 cdleme20l2 38262 cdleme20l 38263 cdleme22b 38282 cdlemeg46req 38470 cdlemh 38758 |
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