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Theorem lhp2at0 30526
Description: Join and meet with different atoms under co-atom  W. (Contributed by NM, 15-Jun-2013.)
Hypotheses
Ref Expression
lhp2at0.l  |-  .<_  =  ( le `  K )
lhp2at0.j  |-  .\/  =  ( join `  K )
lhp2at0.m  |-  ./\  =  ( meet `  K )
lhp2at0.z  |-  .0.  =  ( 0. `  K )
lhp2at0.a  |-  A  =  ( Atoms `  K )
lhp2at0.h  |-  H  =  ( LHyp `  K
)
Assertion
Ref Expression
lhp2at0  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  .\/  U )  ./\  V )  =  .0.  )

Proof of Theorem lhp2at0
StepHypRef Expression
1 simp11l 1068 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  K  e.  HL )
2 hlol 29856 . . . . 5  |-  ( K  e.  HL  ->  K  e.  OL )
31, 2syl 16 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  K  e.  OL )
4 simp12l 1070 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  P  e.  A )
5 simp2l 983 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  U  e.  A )
6 eqid 2412 . . . . . 6  |-  ( Base `  K )  =  (
Base `  K )
7 lhp2at0.j . . . . . 6  |-  .\/  =  ( join `  K )
8 lhp2at0.a . . . . . 6  |-  A  =  ( Atoms `  K )
96, 7, 8hlatjcl 29861 . . . . 5  |-  ( ( K  e.  HL  /\  P  e.  A  /\  U  e.  A )  ->  ( P  .\/  U
)  e.  ( Base `  K ) )
101, 4, 5, 9syl3anc 1184 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( P  .\/  U
)  e.  ( Base `  K ) )
11 simp11r 1069 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  W  e.  H )
12 lhp2at0.h . . . . . 6  |-  H  =  ( LHyp `  K
)
136, 12lhpbase 30492 . . . . 5  |-  ( W  e.  H  ->  W  e.  ( Base `  K
) )
1411, 13syl 16 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  W  e.  ( Base `  K ) )
15 simp3l 985 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  V  e.  A )
166, 8atbase 29784 . . . . 5  |-  ( V  e.  A  ->  V  e.  ( Base `  K
) )
1715, 16syl 16 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  V  e.  ( Base `  K ) )
18 lhp2at0.m . . . . 5  |-  ./\  =  ( meet `  K )
196, 18latmassOLD 29724 . . . 4  |-  ( ( K  e.  OL  /\  ( ( P  .\/  U )  e.  ( Base `  K )  /\  W  e.  ( Base `  K
)  /\  V  e.  ( Base `  K )
) )  ->  (
( ( P  .\/  U )  ./\  W )  ./\  V )  =  ( ( P  .\/  U
)  ./\  ( W  ./\ 
V ) ) )
203, 10, 14, 17, 19syl13anc 1186 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( ( P 
.\/  U )  ./\  W )  ./\  V )  =  ( ( P 
.\/  U )  ./\  ( W  ./\  V ) ) )
21 lhp2at0.l . . . . . . . . 9  |-  .<_  =  ( le `  K )
22 lhp2at0.z . . . . . . . . 9  |-  .0.  =  ( 0. `  K )
2321, 18, 22, 8, 12lhpmat 30524 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  -> 
( P  ./\  W
)  =  .0.  )
24233adant3 977 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V )  ->  ( P  ./\  W )  =  .0.  )
25243ad2ant1 978 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( P  ./\  W
)  =  .0.  )
2625oveq1d 6063 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  ./\  W )  .\/  U )  =  (  .0.  .\/  U ) )
276, 8atbase 29784 . . . . . . 7  |-  ( U  e.  A  ->  U  e.  ( Base `  K
) )
285, 27syl 16 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  U  e.  ( Base `  K ) )
29 simp2r 984 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  U  .<_  W )
306, 21, 7, 18, 8atmod4i2 30361 . . . . . 6  |-  ( ( K  e.  HL  /\  ( P  e.  A  /\  U  e.  ( Base `  K )  /\  W  e.  ( Base `  K ) )  /\  U  .<_  W )  -> 
( ( P  ./\  W )  .\/  U )  =  ( ( P 
.\/  U )  ./\  W ) )
311, 4, 28, 14, 29, 30syl131anc 1197 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  ./\  W )  .\/  U )  =  ( ( P 
.\/  U )  ./\  W ) )
326, 7, 22olj02 29721 . . . . . 6  |-  ( ( K  e.  OL  /\  U  e.  ( Base `  K ) )  -> 
(  .0.  .\/  U
)  =  U )
333, 28, 32syl2anc 643 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
(  .0.  .\/  U
)  =  U )
3426, 31, 333eqtr3d 2452 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  .\/  U )  ./\  W )  =  U )
3534oveq1d 6063 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( ( P 
.\/  U )  ./\  W )  ./\  V )  =  ( U  ./\  V ) )
3620, 35eqtr3d 2446 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  .\/  U )  ./\  ( W  ./\ 
V ) )  =  ( U  ./\  V
) )
37 simp3r 986 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  V  .<_  W )
38 hllat 29858 . . . . . 6  |-  ( K  e.  HL  ->  K  e.  Lat )
391, 38syl 16 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  K  e.  Lat )
406, 21, 18latleeqm2 14472 . . . . 5  |-  ( ( K  e.  Lat  /\  V  e.  ( Base `  K )  /\  W  e.  ( Base `  K
) )  ->  ( V  .<_  W  <->  ( W  ./\ 
V )  =  V ) )
4139, 17, 14, 40syl3anc 1184 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( V  .<_  W  <->  ( W  ./\ 
V )  =  V ) )
4237, 41mpbid 202 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( W  ./\  V
)  =  V )
4342oveq2d 6064 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  .\/  U )  ./\  ( W  ./\ 
V ) )  =  ( ( P  .\/  U )  ./\  V )
)
44 simp13 989 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  U  =/=  V )
45 hlatl 29855 . . . . 5  |-  ( K  e.  HL  ->  K  e.  AtLat )
461, 45syl 16 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  ->  K  e.  AtLat )
4718, 22, 8atnem0 29813 . . . 4  |-  ( ( K  e.  AtLat  /\  U  e.  A  /\  V  e.  A )  ->  ( U  =/=  V  <->  ( U  ./\ 
V )  =  .0.  ) )
4846, 5, 15, 47syl3anc 1184 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( U  =/=  V  <->  ( U  ./\  V )  =  .0.  ) )
4944, 48mpbid 202 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( U  ./\  V
)  =  .0.  )
5036, 43, 493eqtr3d 2452 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V
)  /\  ( U  e.  A  /\  U  .<_  W )  /\  ( V  e.  A  /\  V  .<_  W ) )  -> 
( ( P  .\/  U )  ./\  V )  =  .0.  )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 177    /\ wa 359    /\ w3a 936    = wceq 1649    e. wcel 1721    =/= wne 2575   class class class wbr 4180   ` cfv 5421  (class class class)co 6048   Basecbs 13432   lecple 13499   joincjn 14364   meetcmee 14365   0.cp0 14429   Latclat 14437   OLcol 29669   Atomscatm 29758   AtLatcal 29759   HLchlt 29845   LHypclh 30478
This theorem is referenced by:  lhp2atnle  30527  cdlemh2  31310
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1662  ax-8 1683  ax-13 1723  ax-14 1725  ax-6 1740  ax-7 1745  ax-11 1757  ax-12 1946  ax-ext 2393  ax-rep 4288  ax-sep 4298  ax-nul 4306  ax-pow 4345  ax-pr 4371  ax-un 4668
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2266  df-mo 2267  df-clab 2399  df-cleq 2405  df-clel 2408  df-nfc 2537  df-ne 2577  df-nel 2578  df-ral 2679  df-rex 2680  df-reu 2681  df-rab 2683  df-v 2926  df-sbc 3130  df-csb 3220  df-dif 3291  df-un 3293  df-in 3295  df-ss 3302  df-nul 3597  df-if 3708  df-pw 3769  df-sn 3788  df-pr 3789  df-op 3791  df-uni 3984  df-iun 4063  df-iin 4064  df-br 4181  df-opab 4235  df-mpt 4236  df-id 4466  df-xp 4851  df-rel 4852  df-cnv 4853  df-co 4854  df-dm 4855  df-rn 4856  df-res 4857  df-ima 4858  df-iota 5385  df-fun 5423  df-fn 5424  df-f 5425  df-f1 5426  df-fo 5427  df-f1o 5428  df-fv 5429  df-ov 6051  df-oprab 6052  df-mpt2 6053  df-1st 6316  df-2nd 6317  df-undef 6510  df-riota 6516  df-poset 14366  df-plt 14378  df-lub 14394  df-glb 14395  df-join 14396  df-meet 14397  df-p0 14431  df-lat 14438  df-clat 14500  df-oposet 29671  df-ol 29673  df-oml 29674  df-covers 29761  df-ats 29762  df-atl 29793  df-cvlat 29817  df-hlat 29846  df-psubsp 29997  df-pmap 29998  df-padd 30290  df-lhyp 30482
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