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Mirrors > Home > MPE Home > Th. List > Mathboxes > dalempjsen | Structured version Visualization version GIF version |
Description: Lemma for dath 37792. Frequently-used utility lemma. (Contributed by NM, 13-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) |
dalempnes.o | ⊢ 𝑂 = (LPlanes‘𝐾) |
dalempnes.y | ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅) |
Ref | Expression |
---|---|
dalempjsen | ⊢ (𝜑 → (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dalema.ph | . . 3 ⊢ (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 37679 | . 2 ⊢ (𝜑 → 𝐾 ∈ HL) |
3 | 1 | dalempea 37682 | . 2 ⊢ (𝜑 → 𝑃 ∈ 𝐴) |
4 | 1 | dalemsea 37685 | . 2 ⊢ (𝜑 → 𝑆 ∈ 𝐴) |
5 | dalemc.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
6 | dalemc.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
7 | dalemc.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
8 | dalempnes.o | . . 3 ⊢ 𝑂 = (LPlanes‘𝐾) | |
9 | dalempnes.y | . . 3 ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅) | |
10 | 1, 5, 6, 7, 8, 9 | dalempnes 37707 | . 2 ⊢ (𝜑 → 𝑃 ≠ 𝑆) |
11 | eqid 2736 | . . 3 ⊢ (LLines‘𝐾) = (LLines‘𝐾) | |
12 | 6, 7, 11 | llni2 37568 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ 𝑃 ≠ 𝑆) → (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾)) |
13 | 2, 3, 4, 10, 12 | syl31anc 1373 | 1 ⊢ (𝜑 → (𝑃 ∨ 𝑆) ∈ (LLines‘𝐾)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 397 ∧ w3a 1087 = wceq 1539 ∈ wcel 2104 ≠ wne 2941 class class class wbr 5081 ‘cfv 6458 (class class class)co 7307 Basecbs 16957 lecple 17014 joincjn 18074 Atomscatm 37319 HLchlt 37406 LLinesclln 37547 LPlanesclpl 37548 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-ral 3063 df-rex 3072 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-id 5500 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-proset 18058 df-poset 18076 df-plt 18093 df-lub 18109 df-glb 18110 df-join 18111 df-meet 18112 df-p0 18188 df-lat 18195 df-clat 18262 df-oposet 37232 df-ol 37234 df-oml 37235 df-covers 37322 df-ats 37323 df-atl 37354 df-cvlat 37378 df-hlat 37407 df-llines 37554 |
This theorem is referenced by: dalemcea 37716 dalem2 37717 dalem21 37750 dalem22 37751 |
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