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Theorem lhp2at0 30290
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 1066 . . . . 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 29620 . . . . 5  |-  ( K  e.  HL  ->  K  e.  OL )
31, 2syl 15 . . . 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 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 ) )  ->  P  e.  A )
5 simp2l 981 . . . . 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 2358 . . . . . 6  |-  ( Base `  K )  =  (
Base `  K )
7 lhp2at0.j . . . . . 6  |-  .\/  =  ( join `  K )
8 lhp2at0.a . . . . . 6  |-  A  =  ( Atoms `  K )
96, 7, 8hlatjcl 29625 . . . . 5  |-  ( ( K  e.  HL  /\  P  e.  A  /\  U  e.  A )  ->  ( P  .\/  U
)  e.  ( Base `  K ) )
101, 4, 5, 9syl3anc 1182 . . . 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 1067 . . . . 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 30256 . . . . 5  |-  ( W  e.  H  ->  W  e.  ( Base `  K
) )
1411, 13syl 15 . . . 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 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 ) )  ->  V  e.  A )
166, 8atbase 29548 . . . . 5  |-  ( V  e.  A  ->  V  e.  ( Base `  K
) )
1715, 16syl 15 . . . 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 29488 . . . 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 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 ) )  -> 
( ( ( 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 30288 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  -> 
( P  ./\  W
)  =  .0.  )
24233adant3 975 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  U  =/=  V )  ->  ( P  ./\  W )  =  .0.  )
25243ad2ant1 976 . . . . . 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 5960 . . . . 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 29548 . . . . . . 7  |-  ( U  e.  A  ->  U  e.  ( Base `  K
) )
285, 27syl 15 . . . . . 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 982 . . . . . 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 30125 . . . . . 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 1195 . . . . 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 29485 . . . . . 6  |-  ( ( K  e.  OL  /\  U  e.  ( Base `  K ) )  -> 
(  .0.  .\/  U
)  =  U )
333, 28, 32syl2anc 642 . . . . 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 2398 . . . 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 5960 . . 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 2392 . 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 984 . . . 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 29622 . . . . . 6  |-  ( K  e.  HL  ->  K  e.  Lat )
391, 38syl 15 . . . . 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 14285 . . . . 5  |-  ( ( K  e.  Lat  /\  V  e.  ( Base `  K )  /\  W  e.  ( Base `  K
) )  ->  ( V  .<_  W  <->  ( W  ./\ 
V )  =  V ) )
4139, 17, 14, 40syl3anc 1182 . . . 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 201 . . 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 5961 . 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 987 . . 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 29619 . . . . 5  |-  ( K  e.  HL  ->  K  e.  AtLat )
461, 45syl 15 . . . 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 29577 . . . 4  |-  ( ( K  e.  AtLat  /\  U  e.  A  /\  V  e.  A )  ->  ( U  =/=  V  <->  ( U  ./\ 
V )  =  .0.  ) )
4846, 5, 15, 47syl3anc 1182 . . 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 201 . 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 2398 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 176    /\ wa 358    /\ w3a 934    = wceq 1642    e. wcel 1710    =/= wne 2521   class class class wbr 4104   ` cfv 5337  (class class class)co 5945   Basecbs 13245   lecple 13312   joincjn 14177   meetcmee 14178   0.cp0 14242   Latclat 14250   OLcol 29433   Atomscatm 29522   AtLatcal 29523   HLchlt 29609   LHypclh 30242
This theorem is referenced by:  lhp2atnle  30291  cdlemh2  31074
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-13 1712  ax-14 1714  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1930  ax-ext 2339  ax-rep 4212  ax-sep 4222  ax-nul 4230  ax-pow 4269  ax-pr 4295  ax-un 4594
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-eu 2213  df-mo 2214  df-clab 2345  df-cleq 2351  df-clel 2354  df-nfc 2483  df-ne 2523  df-nel 2524  df-ral 2624  df-rex 2625  df-reu 2626  df-rab 2628  df-v 2866  df-sbc 3068  df-csb 3158  df-dif 3231  df-un 3233  df-in 3235  df-ss 3242  df-nul 3532  df-if 3642  df-pw 3703  df-sn 3722  df-pr 3723  df-op 3725  df-uni 3909  df-iun 3988  df-iin 3989  df-br 4105  df-opab 4159  df-mpt 4160  df-id 4391  df-xp 4777  df-rel 4778  df-cnv 4779  df-co 4780  df-dm 4781  df-rn 4782  df-res 4783  df-ima 4784  df-iota 5301  df-fun 5339  df-fn 5340  df-f 5341  df-f1 5342  df-fo 5343  df-f1o 5344  df-fv 5345  df-ov 5948  df-oprab 5949  df-mpt2 5950  df-1st 6209  df-2nd 6210  df-undef 6385  df-riota 6391  df-poset 14179  df-plt 14191  df-lub 14207  df-glb 14208  df-join 14209  df-meet 14210  df-p0 14244  df-lat 14251  df-clat 14313  df-oposet 29435  df-ol 29437  df-oml 29438  df-covers 29525  df-ats 29526  df-atl 29557  df-cvlat 29581  df-hlat 29610  df-psubsp 29761  df-pmap 29762  df-padd 30054  df-lhyp 30246
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