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Mirrors > Home > MPE Home > Th. List > Mathboxes > dalem2 | Structured version Visualization version GIF version |
Description: Lemma for dath 37677. Show the lines 𝑃𝑄 and 𝑆𝑇 form a plane. (Contributed by NM, 11-Aug-2012.) |
Ref | Expression |
---|---|
dalema.ph | ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈))))) |
dalemc.l | ⊢ ≤ = (le‘𝐾) |
dalemc.j | ⊢ ∨ = (join‘𝐾) |
dalemc.a | ⊢ 𝐴 = (Atoms‘𝐾) |
dalem1.o | ⊢ 𝑂 = (LPlanes‘𝐾) |
dalem1.y | ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅) |
Ref | Expression |
---|---|
dalem2 | ⊢ (𝜑 → ((𝑃 ∨ 𝑄) ∨ (𝑆 ∨ 𝑇)) ∈ 𝑂) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dalema.ph | . . . 4 ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈))))) | |
2 | 1 | dalemkehl 37564 | . . 3 ⊢ (𝜑 → 𝐾 ∈ HL) |
3 | 1 | dalempea 37567 | . . 3 ⊢ (𝜑 → 𝑃 ∈ 𝐴) |
4 | 1 | dalemqea 37568 | . . 3 ⊢ (𝜑 → 𝑄 ∈ 𝐴) |
5 | 1 | dalemsea 37570 | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝐴) |
6 | 1 | dalemtea 37571 | . . 3 ⊢ (𝜑 → 𝑇 ∈ 𝐴) |
7 | dalemc.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
8 | dalemc.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
9 | 7, 8 | hlatj4 37315 | . . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴)) → ((𝑃 ∨ 𝑄) ∨ (𝑆 ∨ 𝑇)) = ((𝑃 ∨ 𝑆) ∨ (𝑄 ∨ 𝑇))) |
10 | 2, 3, 4, 5, 6, 9 | syl122anc 1377 | . 2 ⊢ (𝜑 → ((𝑃 ∨ 𝑄) ∨ (𝑆 ∨ 𝑇)) = ((𝑃 ∨ 𝑆) ∨ (𝑄 ∨ 𝑇))) |
11 | dalemc.l | . . . . 5 ⊢ ≤ = (le‘𝐾) | |
12 | dalem1.o | . . . . 5 ⊢ 𝑂 = (LPlanes‘𝐾) | |
13 | dalem1.y | . . . . 5 ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅) | |
14 | 1, 11, 7, 8, 12, 13 | dalempjsen 37594 | . . . 4 ⊢ (𝜑 → (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾)) |
15 | 1, 11, 7, 8, 12, 13 | dalemqnet 37593 | . . . . 5 ⊢ (𝜑 → 𝑄 ≠ 𝑇) |
16 | eqid 2738 | . . . . . 6 ⊢ (LLines‘𝐾) = (LLines‘𝐾) | |
17 | 7, 8, 16 | llni2 37453 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴) ∧ 𝑄 ≠ 𝑇) → (𝑄 ∨ 𝑇) ∈ (LLines‘𝐾)) |
18 | 2, 4, 6, 15, 17 | syl31anc 1371 | . . . 4 ⊢ (𝜑 → (𝑄 ∨ 𝑇) ∈ (LLines‘𝐾)) |
19 | 1, 11, 7, 8, 12, 13 | dalem1 37600 | . . . 4 ⊢ (𝜑 → (𝑃 ∨ 𝑆) ≠ (𝑄 ∨ 𝑇)) |
20 | 1, 11, 7, 8, 12, 13 | dalemcea 37601 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝐴) |
21 | 1 | dalemclpjs 37575 | . . . . 5 ⊢ (𝜑 → 𝐶 ≤ (𝑃 ∨ 𝑆)) |
22 | 1 | dalemclqjt 37576 | . . . . 5 ⊢ (𝜑 → 𝐶 ≤ (𝑄 ∨ 𝑇)) |
23 | eqid 2738 | . . . . . 6 ⊢ (meet‘𝐾) = (meet‘𝐾) | |
24 | eqid 2738 | . . . . . 6 ⊢ (0.‘𝐾) = (0.‘𝐾) | |
25 | 11, 23, 24, 8, 16 | 2llnm4 37511 | . . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝐶 ∈ 𝐴 ∧ (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾) ∧ (𝑄 ∨ 𝑇) ∈ (LLines‘𝐾)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇))) → ((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ≠ (0.‘𝐾)) |
26 | 2, 20, 14, 18, 21, 22, 25 | syl132anc 1386 | . . . 4 ⊢ (𝜑 → ((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ≠ (0.‘𝐾)) |
27 | 23, 24, 8, 16 | 2llnmat 37465 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾) ∧ (𝑄 ∨ 𝑇) ∈ (LLines‘𝐾)) ∧ ((𝑃 ∨ 𝑆) ≠ (𝑄 ∨ 𝑇) ∧ ((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ≠ (0.‘𝐾))) → ((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ∈ 𝐴) |
28 | 2, 14, 18, 19, 26, 27 | syl32anc 1376 | . . 3 ⊢ (𝜑 → ((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ∈ 𝐴) |
29 | 7, 23, 8, 16, 12 | 2llnmj 37501 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾) ∧ (𝑄 ∨ 𝑇) ∈ (LLines‘𝐾)) → (((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ∈ 𝐴 ↔ ((𝑃 ∨ 𝑆) ∨ (𝑄 ∨ 𝑇)) ∈ 𝑂)) |
30 | 2, 14, 18, 29 | syl3anc 1369 | . . 3 ⊢ (𝜑 → (((𝑃 ∨ 𝑆)(meet‘𝐾)(𝑄 ∨ 𝑇)) ∈ 𝐴 ↔ ((𝑃 ∨ 𝑆) ∨ (𝑄 ∨ 𝑇)) ∈ 𝑂)) |
31 | 28, 30 | mpbid 231 | . 2 ⊢ (𝜑 → ((𝑃 ∨ 𝑆) ∨ (𝑄 ∨ 𝑇)) ∈ 𝑂) |
32 | 10, 31 | eqeltrd 2839 | 1 ⊢ (𝜑 → ((𝑃 ∨ 𝑄) ∨ (𝑆 ∨ 𝑇)) ∈ 𝑂) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 lecple 16895 joincjn 17944 meetcmee 17945 0.cp0 18056 Atomscatm 37204 HLchlt 37291 LLinesclln 37432 LPlanesclpl 37433 |
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 df-lplanes 37440 |
This theorem is referenced by: dalemdea 37603 |
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