| Mathbox for Norm Megill |
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| 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 39293 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 2731 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | atl0cl.z | . . 3 ⊢ 0 = (0.‘𝐾) | |
| 4 | 1, 2, 3 | p0val 18331 | . 2 ⊢ (𝐾 ∈ AtLat → 0 = ((glb‘𝐾)‘𝐵)) |
| 5 | id 22 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐾 ∈ AtLat) | |
| 6 | eqid 2731 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 7 | 1, 6, 2 | atl0dm 39411 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 8 | 1, 2, 5, 7 | glbcl 18274 | . 2 ⊢ (𝐾 ∈ AtLat → ((glb‘𝐾)‘𝐵) ∈ 𝐵) |
| 9 | 4, 8 | eqeltrd 2831 | 1 ⊢ (𝐾 ∈ AtLat → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2111 ‘cfv 6481 Basecbs 17120 lubclub 18215 glbcglb 18216 0.cp0 18327 AtLatcal 39373 |
| 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 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5215 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-iun 4941 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-riota 7303 df-glb 18251 df-p0 18329 df-atl 39407 |
| This theorem is referenced by: atlle0 39414 atlltn0 39415 isat3 39416 atnle0 39418 atlen0 39419 atcmp 39420 atcvreq0 39423 pmap0 39874 dia0 41161 dih0cnv 41392 |
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