| 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 39648 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 2737 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 3 | atl0cl.z | . . 3 ⊢ 0 = (0.‘𝐾) | |
| 4 | 1, 2, 3 | p0val 18386 | . 2 ⊢ (𝐾 ∈ AtLat → 0 = ((glb‘𝐾)‘𝐵)) |
| 5 | id 22 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐾 ∈ AtLat) | |
| 6 | eqid 2737 | . . . 4 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
| 7 | 1, 6, 2 | atl0dm 39766 | . . 3 ⊢ (𝐾 ∈ AtLat → 𝐵 ∈ dom (glb‘𝐾)) |
| 8 | 1, 2, 5, 7 | glbcl 18329 | . 2 ⊢ (𝐾 ∈ AtLat → ((glb‘𝐾)‘𝐵) ∈ 𝐵) |
| 9 | 4, 8 | eqeltrd 2837 | 1 ⊢ (𝐾 ∈ AtLat → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ‘cfv 6494 Basecbs 17174 lubclub 18270 glbcglb 18271 0.cp0 18382 AtLatcal 39728 |
| 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-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 |
| 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-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-riota 7319 df-glb 18306 df-p0 18384 df-atl 39762 |
| This theorem is referenced by: atlle0 39769 atlltn0 39770 isat3 39771 atnle0 39773 atlen0 39774 atcmp 39775 atcvreq0 39778 pmap0 40229 dia0 41516 dih0cnv 41747 |
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