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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cvr1 | Structured version Visualization version GIF version | ||
| Description: A Hilbert lattice has the covering property. Proposition 1(ii) in [Kalmbach] p. 140 (and its converse). (chcv1 32950 analog.) (Contributed by NM, 17-Nov-2011.) |
| Ref | Expression |
|---|---|
| cvr1.b | ⊢ 𝐵 = (Base‘𝐾) |
| cvr1.l | ⊢ ≤ = (le‘𝐾) |
| cvr1.j | ⊢ ∨ = (join‘𝐾) |
| cvr1.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| cvr1.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| cvr1 | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴) → (¬ 𝑃 ≤ 𝑋 ↔ 𝑋𝐶(𝑋 ∨ 𝑃))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hlomcmcv 40393 | . 2 ⊢ (𝐾 ∈ HL → (𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat)) | |
| 2 | cvr1.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | cvr1.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | cvr1.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 5 | cvr1.c | . . 3 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 6 | cvr1.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 7 | 2, 3, 4, 5, 6 | cvlcvr1 40376 | . 2 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴) → (¬ 𝑃 ≤ 𝑋 ↔ 𝑋𝐶(𝑋 ∨ 𝑃))) |
| 8 | 1, 7 | syl3an1 1181 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴) → (¬ 𝑃 ≤ 𝑋 ↔ 𝑋𝐶(𝑋 ∨ 𝑃))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6537 (class class class)co 7418 Basecbs 17380 lecple 17428 joincjn 18478 CLatccla 18665 OMLcoml 40212 ⋖ ccvr 40299 Atomscatm 40300 CvLatclc 40302 HLchlt 40387 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-proset 18461 df-poset 18480 df-plt 18495 df-lub 18511 df-glb 18512 df-join 18513 df-meet 18514 df-p0 18590 df-lat 18599 df-clat 18666 df-oposet 40213 df-ol 40215 df-oml 40216 df-covers 40303 df-ats 40304 df-atl 40335 df-cvlat 40359 df-hlat 40388 |
| This theorem is used by: cvr2N 40448 hlrelat3 40449 cvrval3 40450 cvrval4N 40451 cvrexchlem 40456 cvratlem 40458 cvrat3 40479 3dim0 40494 2dim 40507 1cvrjat 40512 llncvrlpln2 40594 lplnexllnN 40601 lplncvrlvol2 40652 lhp2lt 41038 |
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