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Theorem cvrat42 30255
Description: Commuted version of cvrat4 30254. (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 30254 . 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 30175 . . . . . . 7  |-  ( K  e.  HL  ->  K  e.  Lat )
87ad2antrr 706 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  K  e.  Lat )
9 simplr3 999 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  Q  e.  A )
101, 5atbase 30101 . . . . . . 7  |-  ( Q  e.  A  ->  Q  e.  B )
119, 10syl 15 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  Q  e.  B )
121, 5atbase 30101 . . . . . . 7  |-  ( r  e.  A  ->  r  e.  B )
1312adantl 452 . . . . . 6  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  r  e.  B )
141, 3latjcom 14181 . . . . . 6  |-  ( ( K  e.  Lat  /\  Q  e.  B  /\  r  e.  B )  ->  ( Q  .\/  r
)  =  ( r 
.\/  Q ) )
158, 11, 13, 14syl3anc 1182 . . . . 5  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( Q  .\/  r )  =  ( r  .\/  Q
) )
1615breq2d 4051 . . . 4  |-  ( ( ( K  e.  HL  /\  ( X  e.  B  /\  P  e.  A  /\  Q  e.  A
) )  /\  r  e.  A )  ->  ( P  .<_  ( Q  .\/  r )  <->  P  .<_  ( r  .\/  Q ) ) )
1716anbi2d 684 . . 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 2573 . 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 205 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 358    /\ w3a 934    = wceq 1632    e. wcel 1696    =/= wne 2459   E.wrex 2557   class class class wbr 4039   ` cfv 5271  (class class class)co 5874   Basecbs 13164   lecple 13231   joincjn 14094   0.cp0 14159   Latclat 14167   Atomscatm 30075   HLchlt 30162
This theorem is referenced by:  pmapjat1  30664  djhcvat42  32227
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1536  ax-5 1547  ax-17 1606  ax-9 1644  ax-8 1661  ax-13 1698  ax-14 1700  ax-6 1715  ax-7 1720  ax-11 1727  ax-12 1878  ax-ext 2277  ax-rep 4147  ax-sep 4157  ax-nul 4165  ax-pow 4204  ax-pr 4230  ax-un 4528
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-tru 1310  df-ex 1532  df-nf 1535  df-sb 1639  df-eu 2160  df-mo 2161  df-clab 2283  df-cleq 2289  df-clel 2292  df-nfc 2421  df-ne 2461  df-nel 2462  df-ral 2561  df-rex 2562  df-reu 2563  df-rab 2565  df-v 2803  df-sbc 3005  df-csb 3095  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3469  df-if 3579  df-pw 3640  df-sn 3659  df-pr 3660  df-op 3662  df-uni 3844  df-iun 3923  df-br 4040  df-opab 4094  df-mpt 4095  df-id 4325  df-xp 4711  df-rel 4712  df-cnv 4713  df-co 4714  df-dm 4715  df-rn 4716  df-res 4717  df-ima 4718  df-iota 5235  df-fun 5273  df-fn 5274  df-f 5275  df-f1 5276  df-fo 5277  df-f1o 5278  df-fv 5279  df-ov 5877  df-oprab 5878  df-mpt2 5879  df-1st 6138  df-2nd 6139  df-undef 6314  df-riota 6320  df-poset 14096  df-plt 14108  df-lub 14124  df-glb 14125  df-join 14126  df-meet 14127  df-p0 14161  df-lat 14168  df-clat 14230  df-oposet 29988  df-ol 29990  df-oml 29991  df-covers 30078  df-ats 30079  df-atl 30110  df-cvlat 30134  df-hlat 30163
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