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Theorem cvrat42 29938
Description: Commuted version of cvrat4 29937. (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 29937 . 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 29858 . . . . . . 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 29784 . . . . . . 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 29784 . . . . . . 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 14451 . . . . . 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 4192 . . . 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 2691 . 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 1721    =/= wne 2575   E.wrex 2675   class class class wbr 4180   ` cfv 5421  (class class class)co 6048   Basecbs 13432   lecple 13499   joincjn 14364   0.cp0 14429   Latclat 14437   Atomscatm 29758   HLchlt 29845
This theorem is referenced by:  pmapjat1  30347  djhcvat42  31910
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-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
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