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| Mirrors > Home > MPE Home > Th. List > latpos | Structured version Visualization version GIF version | ||
| Description: A lattice is a poset. (Contributed by NM, 17-Sep-2011.) |
| Ref | Expression |
|---|---|
| latpos | ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2737 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 2 | eqid 2737 | . . 3 ⊢ (join‘𝐾) = (join‘𝐾) | |
| 3 | eqid 2737 | . . 3 ⊢ (meet‘𝐾) = (meet‘𝐾) | |
| 4 | 1, 2, 3 | islat 18368 | . 2 ⊢ (𝐾 ∈ Lat ↔ (𝐾 ∈ Poset ∧ (dom (join‘𝐾) = ((Base‘𝐾) × (Base‘𝐾)) ∧ dom (meet‘𝐾) = ((Base‘𝐾) × (Base‘𝐾))))) |
| 5 | 4 | simplbi 496 | 1 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 × cxp 5630 dom cdm 5632 ‘cfv 6500 Basecbs 17148 Posetcpo 18242 joincjn 18246 meetcmee 18247 Latclat 18366 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-dm 5642 df-iota 6456 df-fv 6508 df-lat 18367 |
| This theorem is referenced by: latref 18376 latasymb 18377 lattr 18379 latjcom 18382 latjle12 18385 latleeqj1 18386 latmcom 18398 latlem12 18401 latleeqm1 18402 atlpos 39677 cvlposN 39703 hlpos 39742 |
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