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| Mirrors > Home > MPE Home > Th. List > Mathboxes > iscvlat2N | Structured version Visualization version GIF version | ||
| Description: The predicate "is an atomic lattice with the covering (or exchange) property". (Contributed by NM, 5-Nov-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| iscvlat2.b | ⊢ 𝐵 = (Base‘𝐾) |
| iscvlat2.l | ⊢ ≤ = (le‘𝐾) |
| iscvlat2.j | ⊢ ∨ = (join‘𝐾) |
| iscvlat2.m | ⊢ ∧ = (meet‘𝐾) |
| iscvlat2.z | ⊢ 0 = (0.‘𝐾) |
| iscvlat2.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| iscvlat2N | ⊢ (𝐾 ∈ CvLat ↔ (𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iscvlat2.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | iscvlat2.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 3 | iscvlat2.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 4 | iscvlat2.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 5 | 1, 2, 3, 4 | iscvlat 39287 | . 2 ⊢ (𝐾 ∈ CvLat ↔ (𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 6 | simpll 766 | . . . . . . . 8 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → 𝐾 ∈ AtLat) | |
| 7 | simplrl 776 | . . . . . . . 8 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → 𝑝 ∈ 𝐴) | |
| 8 | simpr 484 | . . . . . . . 8 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝐵) | |
| 9 | iscvlat2.m | . . . . . . . . 9 ⊢ ∧ = (meet‘𝐾) | |
| 10 | iscvlat2.z | . . . . . . . . 9 ⊢ 0 = (0.‘𝐾) | |
| 11 | 1, 2, 9, 10, 4 | atnle 39281 | . . . . . . . 8 ⊢ ((𝐾 ∈ AtLat ∧ 𝑝 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) → (¬ 𝑝 ≤ 𝑥 ↔ (𝑝 ∧ 𝑥) = 0 )) |
| 12 | 6, 7, 8, 11 | syl3anc 1373 | . . . . . . 7 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → (¬ 𝑝 ≤ 𝑥 ↔ (𝑝 ∧ 𝑥) = 0 )) |
| 13 | 12 | anbi1d 631 | . . . . . 6 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) ↔ ((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)))) |
| 14 | 13 | imbi1d 341 | . . . . 5 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → (((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)) ↔ (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 15 | 14 | ralbidva 3161 | . . . 4 ⊢ ((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (∀𝑥 ∈ 𝐵 ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)) ↔ ∀𝑥 ∈ 𝐵 (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 16 | 15 | 2ralbidva 3203 | . . 3 ⊢ (𝐾 ∈ AtLat → (∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)) ↔ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 17 | 16 | pm5.32i 574 | . 2 ⊢ ((𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝))) ↔ (𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 18 | 5, 17 | bitri 275 | 1 ⊢ (𝐾 ∈ CvLat ↔ (𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 (((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ∀wral 3051 class class class wbr 5119 ‘cfv 6530 (class class class)co 7403 Basecbs 17226 lecple 17276 joincjn 18321 meetcmee 18322 0.cp0 18431 Atomscatm 39227 AtLatcal 39228 CvLatclc 39229 |
| 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 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7727 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rmo 3359 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-id 5548 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6483 df-fun 6532 df-fn 6533 df-f 6534 df-f1 6535 df-fo 6536 df-f1o 6537 df-fv 6538 df-riota 7360 df-ov 7406 df-oprab 7407 df-proset 18304 df-poset 18323 df-plt 18338 df-lub 18354 df-glb 18355 df-join 18356 df-meet 18357 df-p0 18433 df-lat 18440 df-covers 39230 df-ats 39231 df-atl 39262 df-cvlat 39286 |
| This theorem is referenced by: (None) |
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