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Theorem atl0cl 34590
Description: An atomic lattice has a zero element. We can use this in place of op0cl 34471 for lattices without orthocomplements. (Contributed by NM, 5-Nov-2012.)
Hypotheses
Ref Expression
atl0cl.b  |-  B  =  ( Base `  K
)
atl0cl.z  |-  .0.  =  ( 0. `  K )
Assertion
Ref Expression
atl0cl  |-  ( K  e.  AtLat  ->  .0.  e.  B )

Proof of Theorem atl0cl
StepHypRef Expression
1 atl0cl.b . . 3  |-  B  =  ( Base `  K
)
2 eqid 2622 . . 3  |-  ( glb `  K )  =  ( glb `  K )
3 atl0cl.z . . 3  |-  .0.  =  ( 0. `  K )
41, 2, 3p0val 17041 . 2  |-  ( K  e.  AtLat  ->  .0.  =  ( ( glb `  K
) `  B )
)
5 id 22 . . 3  |-  ( K  e.  AtLat  ->  K  e.  AtLat
)
6 eqid 2622 . . . 4  |-  ( lub `  K )  =  ( lub `  K )
71, 6, 2atl0dm 34589 . . 3  |-  ( K  e.  AtLat  ->  B  e.  dom  ( glb `  K
) )
81, 2, 5, 7glbcl 16998 . 2  |-  ( K  e.  AtLat  ->  ( ( glb `  K ) `  B )  e.  B
)
94, 8eqeltrd 2701 1  |-  ( K  e.  AtLat  ->  .0.  e.  B )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    = wceq 1483    e. wcel 1990   ` cfv 5888   Basecbs 15857   lubclub 16942   glbcglb 16943   0.cp0 17037   AtLatcal 34551
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-reu 2919  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-glb 16975  df-p0 17039  df-atl 34585
This theorem is referenced by:  atlle0  34592  atlltn0  34593  isat3  34594  atnle0  34596  atlen0  34597  atcmp  34598  atcvreq0  34601  pmap0  35051  dia0  36341  dih0cnv  36572
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