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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 40183 | . 2 ⊢ (𝐾 ∈ CvLat ↔ (𝐾 ∈ AtLat ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ∀𝑥 ∈ 𝐵 ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) → 𝑞 ≤ (𝑥 ∨ 𝑝)))) |
| 6 | simpll 779 | . . . . . . . 8 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → 𝐾 ∈ AtLat) | |
| 7 | simplrl 789 | . . . . . . . 8 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → 𝑝 ∈ 𝐴) | |
| 8 | simpr 490 | . . . . . . . 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 40177 | . . . . . . . 8 ⊢ ((𝐾 ∈ AtLat ∧ 𝑝 ∈ 𝐴 ∧ 𝑥 ∈ 𝐵) → (¬ 𝑝 ≤ 𝑥 ↔ (𝑝 ∧ 𝑥) = 0 )) |
| 12 | 6, 7, 8, 11 | syl3anc 1398 | . . . . . . 7 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → (¬ 𝑝 ≤ 𝑥 ↔ (𝑝 ∧ 𝑥) = 0 )) |
| 13 | 12 | anbi1d 643 | . . . . . 6 ⊢ (((𝐾 ∈ AtLat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) ∧ 𝑥 ∈ 𝐵) → ((¬ 𝑝 ≤ 𝑥 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)) ↔ ((𝑝 ∧ 𝑥) = 0 ∧ 𝑝 ≤ (𝑥 ∨ 𝑞)))) |
| 14 | 13 | imbi1d 344 | . . . . 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 3185 | . . . 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 3226 | . . 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 585 | . 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 278 | 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 |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3078 class class class wbr 5107 ‘cfv 6537 (class class class)co 7416 Basecbs 17305 lecple 17353 joincjn 18403 meetcmee 18404 0.cp0 18513 Atomscatm 40123 AtLatcal 40124 CvLatclc 40125 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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 7373 df-ov 7419 df-oprab 7420 df-proset 18386 df-poset 18405 df-plt 18420 df-lub 18436 df-glb 18437 df-join 18438 df-meet 18439 df-p0 18515 df-lat 18524 df-covers 40126 df-ats 40127 df-atl 40158 df-cvlat 40182 |
| This theorem is used by: (None) |
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