| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > atl0cl | Structured version Visualization version GIF version | ||
| Description: An atomic lattice has a zero element. We can use this in place of op0cl 39685 for lattices without orthocomplements. (Contributed by NM, 5-Nov-2012.) |
| Ref | Expression |
|---|---|
| atl0cl.b | ⊢ 𝐵 = (Base‘𝐾) |
| atl0cl.z | ⊢ 0 = (0.‘𝐾) |
| Ref | Expression |
|---|---|
| atl0cl | ⊢ (𝐾 ∈ AtLat → 0 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | atl0cl.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2739 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | atl0cl.z | . . 3 ⊢ 0 = (0.‘𝐾) | |
| 4 | 1, 2, 3 | p0val 18383 | . 2 ⊢ (𝐾 ∈ AtLat → 0 = ((glb‘𝐾)‘𝐵)) |
| 5 | id 22 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐾 ∈ AtLat) | |
| 6 | eqid 2739 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 7 | 1, 6, 2 | atl0dm 39803 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 8 | 1, 2, 5, 7 | glbcl 18326 | . 2 ⊢ (𝐾 ∈ AtLat → ((glb‘𝐾)‘𝐵) ∈ 𝐵) |
| 9 | 4, 8 | eqeltrd 2839 | 1 ⊢ (𝐾 ∈ AtLat → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 ‘cfv 6486 Basecbs 17171 lubclub 18267 glbcglb 18268 0.cp0 18379 AtLatcal 39765 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5200 ax-sep 5219 ax-nul 5229 ax-pow 5295 ax-pr 5363 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-iun 4924 df-br 5074 df-opab 5136 df-mpt 5155 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7314 df-glb 18303 df-p0 18381 df-atl 39799 |
| This theorem is referenced by: atlle0 39806 atlltn0 39807 isat3 39808 atnle0 39810 atlen0 39811 atcmp 39812 atcvreq0 39815 pmap0 40266 dia0 41553 dih0cnv 41784 |
| Copyright terms: Public domain | W3C validator |