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Theorem cvrat42 29609
Description: Commuted version of cvrat4 29608. (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 29608 . 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 29529 . . . . . . 7  |-  ( K  e.  HL  ->  K  e.  Lat )
87ad2antrr 707 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  K  e.  Lat )
9 simplr3 1001 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  Q  e.  A )
101, 5atbase 29455 . . . . . . 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 29455 . . . . . . 7  |-  ( r  e.  A  ->  r  e.  B )
1312adantl 453 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  r  e.  B )
141, 3latjcom 14408 . . . . . 6  |-  ( ( K  e.  Lat  /\  Q  e.  B  /\  r  e.  B )  ->  ( Q  .\/  r
)  =  ( r 
.\/  Q ) )
158, 11, 13, 14syl3anc 1184 . . . . 5  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( Q  .\/  r )  =  ( r  .\/  Q
) )
1615breq2d 4158 . . . 4  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( P  .<_  ( Q  .\/  r )  <->  P  .<_  ( r  .\/  Q ) ) )
1716anbi2d 685 . . 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 2659 . 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 206 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 359    /\ w3a 936    = wceq 1649    e. wcel 1717    =/= wne 2543   E.wrex 2643   class class class wbr 4146   ` cfv 5387  (class class class)co 6013   Basecbs 13389   lecple 13456   joincjn 14321   0.cp0 14386   Latclat 14394   Atomscatm 29429   HLchlt 29516
This theorem is referenced by:  pmapjat1  30018  djhcvat42  31581
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 1661  ax-8 1682  ax-13 1719  ax-14 1721  ax-6 1736  ax-7 1741  ax-11 1753  ax-12 1939  ax-ext 2361  ax-rep 4254  ax-sep 4264  ax-nul 4272  ax-pow 4311  ax-pr 4337  ax-un 4634
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 2235  df-mo 2236  df-clab 2367  df-cleq 2373  df-clel 2376  df-nfc 2505  df-ne 2545  df-nel 2546  df-ral 2647  df-rex 2648  df-reu 2649  df-rab 2651  df-v 2894  df-sbc 3098  df-csb 3188  df-dif 3259  df-un 3261  df-in 3263  df-ss 3270  df-nul 3565  df-if 3676  df-pw 3737  df-sn 3756  df-pr 3757  df-op 3759  df-uni 3951  df-iun 4030  df-br 4147  df-opab 4201  df-mpt 4202  df-id 4432  df-xp 4817  df-rel 4818  df-cnv 4819  df-co 4820  df-dm 4821  df-rn 4822  df-res 4823  df-ima 4824  df-iota 5351  df-fun 5389  df-fn 5390  df-f 5391  df-f1 5392  df-fo 5393  df-f1o 5394  df-fv 5395  df-ov 6016  df-oprab 6017  df-mpt2 6018  df-1st 6281  df-2nd 6282  df-undef 6472  df-riota 6478  df-poset 14323  df-plt 14335  df-lub 14351  df-glb 14352  df-join 14353  df-meet 14354  df-p0 14388  df-lat 14395  df-clat 14457  df-oposet 29342  df-ol 29344  df-oml 29345  df-covers 29432  df-ats 29433  df-atl 29464  df-cvlat 29488  df-hlat 29517
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