Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > lplnexatN | Structured version Visualization version GIF version |
Description: Given a lattice line on a lattice plane, there is an atom whose join with the line equals the plane. (Contributed by NM, 29-Jun-2012.) (New usage is discouraged.) |
Ref | Expression |
---|---|
lplnexat.l | ⊢ ≤ = (le‘𝐾) |
lplnexat.j | ⊢ ∨ = (join‘𝐾) |
lplnexat.a | ⊢ 𝐴 = (Atoms‘𝐾) |
lplnexat.n | ⊢ 𝑁 = (LLines‘𝐾) |
lplnexat.p | ⊢ 𝑃 = (LPlanes‘𝐾) |
Ref | Expression |
---|---|
lplnexatN | ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ 𝑋 = (𝑌 ∨ 𝑞))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1061 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) → 𝐾 ∈ HL) | |
2 | simp3 1063 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) → 𝑌 ∈ 𝑁) | |
3 | simp2 1062 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) → 𝑋 ∈ 𝑃) | |
4 | 1, 2, 3 | 3jca 1242 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) → (𝐾 ∈ HL ∧ 𝑌 ∈ 𝑁 ∧ 𝑋 ∈ 𝑃)) |
5 | lplnexat.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
6 | eqid 2622 | . . . 4 ⊢ ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾) | |
7 | lplnexat.n | . . . 4 ⊢ 𝑁 = (LLines‘𝐾) | |
8 | lplnexat.p | . . . 4 ⊢ 𝑃 = (LPlanes‘𝐾) | |
9 | 5, 6, 7, 8 | llncvrlpln2 34843 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑌 ∈ 𝑁 ∧ 𝑋 ∈ 𝑃) ∧ 𝑌 ≤ 𝑋) → 𝑌( ⋖ ‘𝐾)𝑋) |
10 | 4, 9 | sylan 488 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝑌( ⋖ ‘𝐾)𝑋) |
11 | simpl1 1064 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝐾 ∈ HL) | |
12 | simpl3 1066 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝑌 ∈ 𝑁) | |
13 | eqid 2622 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
14 | 13, 7 | llnbase 34795 | . . . . 5 ⊢ (𝑌 ∈ 𝑁 → 𝑌 ∈ (Base‘𝐾)) |
15 | 12, 14 | syl 17 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝑌 ∈ (Base‘𝐾)) |
16 | simpl2 1065 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝑋 ∈ 𝑃) | |
17 | 13, 8 | lplnbase 34820 | . . . . 5 ⊢ (𝑋 ∈ 𝑃 → 𝑋 ∈ (Base‘𝐾)) |
18 | 16, 17 | syl 17 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → 𝑋 ∈ (Base‘𝐾)) |
19 | lplnexat.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
20 | lplnexat.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
21 | 13, 5, 19, 6, 20 | cvrval3 34699 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ∈ (Base‘𝐾) ∧ 𝑋 ∈ (Base‘𝐾)) → (𝑌( ⋖ ‘𝐾)𝑋 ↔ ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ (𝑌 ∨ 𝑞) = 𝑋))) |
22 | 11, 15, 18, 21 | syl3anc 1326 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → (𝑌( ⋖ ‘𝐾)𝑋 ↔ ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ (𝑌 ∨ 𝑞) = 𝑋))) |
23 | eqcom 2629 | . . . . 5 ⊢ ((𝑌 ∨ 𝑞) = 𝑋 ↔ 𝑋 = (𝑌 ∨ 𝑞)) | |
24 | 23 | anbi2i 730 | . . . 4 ⊢ ((¬ 𝑞 ≤ 𝑌 ∧ (𝑌 ∨ 𝑞) = 𝑋) ↔ (¬ 𝑞 ≤ 𝑌 ∧ 𝑋 = (𝑌 ∨ 𝑞))) |
25 | 24 | rexbii 3041 | . . 3 ⊢ (∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ (𝑌 ∨ 𝑞) = 𝑋) ↔ ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ 𝑋 = (𝑌 ∨ 𝑞))) |
26 | 22, 25 | syl6bb 276 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → (𝑌( ⋖ ‘𝐾)𝑋 ↔ ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ 𝑋 = (𝑌 ∨ 𝑞)))) |
27 | 10, 26 | mpbid 222 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁) ∧ 𝑌 ≤ 𝑋) → ∃𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑌 ∧ 𝑋 = (𝑌 ∨ 𝑞))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 196 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ∃wrex 2913 class class class wbr 4653 ‘cfv 5888 (class class class)co 6650 Basecbs 15857 lecple 15948 joincjn 16944 ⋖ ccvr 34549 Atomscatm 34550 HLchlt 34637 LLinesclln 34777 LPlanesclpl 34778 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-preset 16928 df-poset 16946 df-plt 16958 df-lub 16974 df-glb 16975 df-join 16976 df-meet 16977 df-p0 17039 df-lat 17046 df-clat 17108 df-oposet 34463 df-ol 34465 df-oml 34466 df-covers 34553 df-ats 34554 df-atl 34585 df-cvlat 34609 df-hlat 34638 df-llines 34784 df-lplanes 34785 |
This theorem is referenced by: (None) |
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