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Theorem cvrat42 30242
Description: Commuted version of cvrat4 30241. (Contributed by NM, 28-Jan-2012.)
Hypotheses
Ref Expression
cvrat4.b  |-  B  =  ( Base `  K
)
cvrat4.l  |-  .<_  =  ( le `  K )
cvrat4.j  |-  .\/  =  ( join `  K )
cvrat4.z  |-  .0.  =  ( 0. `  K )
cvrat4.a  |-  A  =  ( Atoms `  K )
Assertion
Ref Expression
cvrat42  |-  ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  ->  (
( X  =/=  .0.  /\  P  .<_  ( X  .\/  Q ) )  ->  E. r  e.  A  ( r  .<_  X  /\  P  .<_  ( r  .\/  Q ) ) ) )
Distinct variable groups:    A, r    B, r    .\/ , r    K, r    .<_ , r    P, r    Q, r    X, r
Allowed substitution hint:    .0. ( r)

Proof of Theorem cvrat42
StepHypRef Expression
1 cvrat4.b . . 3  |-  B  =  ( Base `  K
)
2 cvrat4.l . . 3  |-  .<_  =  ( le `  K )
3 cvrat4.j . . 3  |-  .\/  =  ( join `  K )
4 cvrat4.z . . 3  |-  .0.  =  ( 0. `  K )
5 cvrat4.a . . 3  |-  A  =  ( Atoms `  K )
61, 2, 3, 4, 5cvrat4 30241 . 2  |-  ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  ->  (
( X  =/=  .0.  /\  P  .<_  ( X  .\/  Q ) )  ->  E. r  e.  A  ( r  .<_  X  /\  P  .<_  ( Q  .\/  r ) ) ) )
7 hllat 30162 . . . . . . 7  |-  ( K  e.  HL  ->  K  e.  Lat )
87ad2antrr 708 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  K  e.  Lat )
9 simplr3 1002 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  Q  e.  A )
101, 5atbase 30088 . . . . . . 7  |-  ( Q  e.  A  ->  Q  e.  B )
119, 10syl 16 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  Q  e.  B )
121, 5atbase 30088 . . . . . . 7  |-  ( r  e.  A  ->  r  e.  B )
1312adantl 454 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  r  e.  B )
141, 3latjcom 14489 . . . . . 6  |-  ( ( K  e.  Lat  /\  Q  e.  B  /\  r  e.  B )  ->  ( Q  .\/  r
)  =  ( r 
.\/  Q ) )
158, 11, 13, 14syl3anc 1185 . . . . 5  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( Q  .\/  r )  =  ( r  .\/  Q
) )
1615breq2d 4225 . . . 4  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( P  .<_  ( Q  .\/  r )  <->  P  .<_  ( r  .\/  Q ) ) )
1716anbi2d 686 . . 3  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  (
( r  .<_  X  /\  P  .<_  ( Q  .\/  r ) )  <->  ( r  .<_  X  /\  P  .<_  ( r  .\/  Q ) ) ) )
1817rexbidva 2723 . 2  |-  ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  ->  ( E. r  e.  A  ( r  .<_  X  /\  P  .<_  ( Q  .\/  r ) )  <->  E. r  e.  A  ( r  .<_  X  /\  P  .<_  ( r  .\/  Q ) ) ) )
196, 18sylibd 207 1  |-  ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  ->  (
( X  =/=  .0.  /\  P  .<_  ( X  .\/  Q ) )  ->  E. r  e.  A  ( r  .<_  X  /\  P  .<_  ( r  .\/  Q ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 360    /\ w3a 937    = wceq 1653    e. wcel 1726    =/= wne 2600   E.wrex 2707   class class class wbr 4213   ` cfv 5455  (class class class)co 6082   Basecbs 13470   lecple 13537   joincjn 14402   0.cp0 14467   Latclat 14475   Atomscatm 30062   HLchlt 30149
This theorem is referenced by:  pmapjat1  30651  djhcvat42  32214
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1556  ax-5 1567  ax-17 1627  ax-9 1667  ax-8 1688  ax-13 1728  ax-14 1730  ax-6 1745  ax-7 1750  ax-11 1762  ax-12 1951  ax-ext 2418  ax-rep 4321  ax-sep 4331  ax-nul 4339  ax-pow 4378  ax-pr 4404  ax-un 4702
This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3an 939  df-tru 1329  df-ex 1552  df-nf 1555  df-sb 1660  df-eu 2286  df-mo 2287  df-clab 2424  df-cleq 2430  df-clel 2433  df-nfc 2562  df-ne 2602  df-nel 2603  df-ral 2711  df-rex 2712  df-reu 2713  df-rab 2715  df-v 2959  df-sbc 3163  df-csb 3253  df-dif 3324  df-un 3326  df-in 3328  df-ss 3335  df-nul 3630  df-if 3741  df-pw 3802  df-sn 3821  df-pr 3822  df-op 3824  df-uni 4017  df-iun 4096  df-br 4214  df-opab 4268  df-mpt 4269  df-id 4499  df-xp 4885  df-rel 4886  df-cnv 4887  df-co 4888  df-dm 4889  df-rn 4890  df-res 4891  df-ima 4892  df-iota 5419  df-fun 5457  df-fn 5458  df-f 5459  df-f1 5460  df-fo 5461  df-f1o 5462  df-fv 5463  df-ov 6085  df-oprab 6086  df-mpt2 6087  df-1st 6350  df-2nd 6351  df-undef 6544  df-riota 6550  df-poset 14404  df-plt 14416  df-lub 14432  df-glb 14433  df-join 14434  df-meet 14435  df-p0 14469  df-lat 14476  df-clat 14538  df-oposet 29975  df-ol 29977  df-oml 29978  df-covers 30065  df-ats 30066  df-atl 30097  df-cvlat 30121  df-hlat 30150
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