Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 2821 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
2 | eqid 2821 | . . 3 ⊢ (join‘𝐾) = (join‘𝐾) | |
3 | eqid 2821 | . . 3 ⊢ (meet‘𝐾) = (meet‘𝐾) | |
4 | 1, 2, 3 | islat 17657 | . 2 ⊢ (𝐾 ∈ Lat ↔ (𝐾 ∈ Poset ∧ (dom (join‘𝐾) = ((Base‘𝐾) × (Base‘𝐾)) ∧ dom (meet‘𝐾) = ((Base‘𝐾) × (Base‘𝐾))))) |
5 | 4 | simplbi 500 | 1 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 × cxp 5553 dom cdm 5555 ‘cfv 6355 Basecbs 16483 Posetcpo 17550 joincjn 17554 meetcmee 17555 Latclat 17655 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-xp 5561 df-dm 5565 df-iota 6314 df-fv 6363 df-lat 17656 |
This theorem is referenced by: latref 17663 latasymb 17664 lattr 17666 latjcom 17669 latjle12 17672 latleeqj1 17673 latmcom 17685 latlem12 17688 latleeqm1 17689 atlpos 36452 cvlposN 36478 hlpos 36517 |
Copyright terms: Public domain | W3C validator |