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Mirrors > Home > MPE Home > Th. List > Mathboxes > islpln3 | Structured version Visualization version GIF version |
Description: The predicate "is a lattice plane". (Contributed by NM, 17-Jun-2012.) |
Ref | Expression |
---|---|
islpln3.b | ⊢ 𝐵 = (Base‘𝐾) |
islpln3.l | ⊢ ≤ = (le‘𝐾) |
islpln3.j | ⊢ ∨ = (join‘𝐾) |
islpln3.a | ⊢ 𝐴 = (Atoms‘𝐾) |
islpln3.n | ⊢ 𝑁 = (LLines‘𝐾) |
islpln3.p | ⊢ 𝑃 = (LPlanes‘𝐾) |
Ref | Expression |
---|---|
islpln3 | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (𝑋 ∈ 𝑃 ↔ ∃𝑦 ∈ 𝑁 ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | islpln3.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
2 | eqid 2738 | . . 3 ⊢ ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾) | |
3 | islpln3.n | . . 3 ⊢ 𝑁 = (LLines‘𝐾) | |
4 | islpln3.p | . . 3 ⊢ 𝑃 = (LPlanes‘𝐾) | |
5 | 1, 2, 3, 4 | islpln4 37545 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (𝑋 ∈ 𝑃 ↔ ∃𝑦 ∈ 𝑁 𝑦( ⋖ ‘𝐾)𝑋)) |
6 | simpll 764 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → 𝐾 ∈ HL) | |
7 | 1, 3 | llnbase 37523 | . . . . . 6 ⊢ (𝑦 ∈ 𝑁 → 𝑦 ∈ 𝐵) |
8 | 7 | adantl 482 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → 𝑦 ∈ 𝐵) |
9 | simplr 766 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → 𝑋 ∈ 𝐵) | |
10 | islpln3.l | . . . . . 6 ⊢ ≤ = (le‘𝐾) | |
11 | islpln3.j | . . . . . 6 ⊢ ∨ = (join‘𝐾) | |
12 | islpln3.a | . . . . . 6 ⊢ 𝐴 = (Atoms‘𝐾) | |
13 | 1, 10, 11, 2, 12 | cvrval3 37427 | . . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑦 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑦( ⋖ ‘𝐾)𝑋 ↔ ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ (𝑦 ∨ 𝑝) = 𝑋))) |
14 | 6, 8, 9, 13 | syl3anc 1370 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → (𝑦( ⋖ ‘𝐾)𝑋 ↔ ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ (𝑦 ∨ 𝑝) = 𝑋))) |
15 | eqcom 2745 | . . . . . . 7 ⊢ ((𝑦 ∨ 𝑝) = 𝑋 ↔ 𝑋 = (𝑦 ∨ 𝑝)) | |
16 | 15 | a1i 11 | . . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) ∧ 𝑝 ∈ 𝐴) → ((𝑦 ∨ 𝑝) = 𝑋 ↔ 𝑋 = (𝑦 ∨ 𝑝))) |
17 | 16 | anbi2d 629 | . . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) ∧ 𝑝 ∈ 𝐴) → ((¬ 𝑝 ≤ 𝑦 ∧ (𝑦 ∨ 𝑝) = 𝑋) ↔ (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
18 | 17 | rexbidva 3225 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → (∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ (𝑦 ∨ 𝑝) = 𝑋) ↔ ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
19 | 14, 18 | bitrd 278 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ 𝑁) → (𝑦( ⋖ ‘𝐾)𝑋 ↔ ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
20 | 19 | rexbidva 3225 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (∃𝑦 ∈ 𝑁 𝑦( ⋖ ‘𝐾)𝑋 ↔ ∃𝑦 ∈ 𝑁 ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
21 | 5, 20 | bitrd 278 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (𝑋 ∈ 𝑃 ↔ ∃𝑦 ∈ 𝑁 ∃𝑝 ∈ 𝐴 (¬ 𝑝 ≤ 𝑦 ∧ 𝑋 = (𝑦 ∨ 𝑝)))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ∃wrex 3065 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 Basecbs 16912 lecple 16969 joincjn 18029 ⋖ ccvr 37276 Atomscatm 37277 HLchlt 37364 LLinesclln 37505 LPlanesclpl 37506 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-proset 18013 df-poset 18031 df-plt 18048 df-lub 18064 df-glb 18065 df-join 18066 df-meet 18067 df-p0 18143 df-lat 18150 df-clat 18217 df-oposet 37190 df-ol 37192 df-oml 37193 df-covers 37280 df-ats 37281 df-atl 37312 df-cvlat 37336 df-hlat 37365 df-llines 37512 df-lplanes 37513 |
This theorem is referenced by: islpln5 37549 lplnexllnN 37578 |
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