| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cvlatcvr1 | Structured version Visualization version GIF version | ||
| Description: An atom is covered by its join with a different atom. (Contributed by NM, 5-Nov-2012.) |
| Ref | Expression |
|---|---|
| cvlatcvr1.j | ⊢ ∨ = (join‘𝐾) |
| cvlatcvr1.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| cvlatcvr1.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| cvlatcvr1 | ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ≠ 𝑄 ↔ 𝑃𝐶(𝑃 ∨ 𝑄))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp13 1224 | . . . 4 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝐾 ∈ CvLat) | |
| 2 | cvlatl 40159 | . . . 4 ⊢ (𝐾 ∈ CvLat → 𝐾 ∈ AtLat) | |
| 3 | 1, 2 | syl 18 | . . 3 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝐾 ∈ AtLat) |
| 4 | eqid 2765 | . . . 4 ⊢ (meet‘𝐾) = (meet‘𝐾) | |
| 5 | eqid 2765 | . . . 4 ⊢ (0.‘𝐾) = (0.‘𝐾) | |
| 6 | cvlatcvr1.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 7 | 4, 5, 6 | atnem0 40152 | . . 3 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ≠ 𝑄 ↔ (𝑃(meet‘𝐾)𝑄) = (0.‘𝐾))) |
| 8 | 3, 7 | syld3an1 1437 | . 2 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ≠ 𝑄 ↔ (𝑃(meet‘𝐾)𝑄) = (0.‘𝐾))) |
| 9 | eqid 2765 | . . . 4 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 10 | 9, 6 | atbase 40123 | . . 3 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾)) |
| 11 | cvlatcvr1.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
| 12 | cvlatcvr1.c | . . . 4 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 13 | 9, 11, 4, 5, 12, 6 | cvlcvrp 40174 | . . 3 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ 𝐴) → ((𝑃(meet‘𝐾)𝑄) = (0.‘𝐾) ↔ 𝑃𝐶(𝑃 ∨ 𝑄))) |
| 14 | 10, 13 | syl3an2 1182 | . 2 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ((𝑃(meet‘𝐾)𝑄) = (0.‘𝐾) ↔ 𝑃𝐶(𝑃 ∨ 𝑄))) |
| 15 | 8, 14 | bitrd 282 | 1 ⊢ (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ CvLat) ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ≠ 𝑄 ↔ 𝑃𝐶(𝑃 ∨ 𝑄))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 class class class wbr 5111 ‘cfv 6540 (class class class)co 7419 Basecbs 17293 joincjn 18391 meetcmee 18392 0.cp0 18501 CLatccla 18578 OMLcoml 40009 ⋖ ccvr 40096 Atomscatm 40097 AtLatcal 40098 CvLatclc 40099 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-proset 18374 df-poset 18393 df-plt 18408 df-lub 18424 df-glb 18425 df-join 18426 df-meet 18427 df-p0 18503 df-lat 18512 df-clat 18579 df-oposet 40010 df-ol 40012 df-oml 40013 df-covers 40100 df-ats 40101 df-atl 40132 df-cvlat 40156 |
| This theorem is used by: cvlatcvr2 40176 atcvr1 40251 |
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