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Theorem cdleme11l 29588
Description: Part of proof of Lemma E in [Crawley] p. 113. Lemma leading to cdleme11 29589. (Contributed by NM, 15-Jun-2012.)
Hypotheses
Ref Expression
cdleme12.l  |-  .<_  =  ( le `  K )
cdleme12.j  |-  .\/  =  ( join `  K )
cdleme12.m  |-  ./\  =  ( meet `  K )
cdleme12.a  |-  A  =  ( Atoms `  K )
cdleme12.h  |-  H  =  ( LHyp `  K
)
cdleme12.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
cdleme12.f  |-  F  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
cdleme12.g  |-  G  =  ( ( T  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  T )  ./\  W )
) )
Assertion
Ref Expression
cdleme11l  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  F  =/=  G )

Proof of Theorem cdleme11l
StepHypRef Expression
1 simp11 990 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
2 simp12 991 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( P  e.  A  /\  -.  P  .<_  W ) )
3 simp13l 1075 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  Q  e.  A )
4 simp21 993 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( S  e.  A  /\  -.  S  .<_  W ) )
5 simp22l 1079 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  T  e.  A )
6 simp23l 1081 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  P  =/=  Q )
7 simp23r 1082 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  S  =/=  T )
8 simp31 996 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  -.  S  .<_  ( P 
.\/  Q ) )
9 simp33 998 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  U  .<_  ( S  .\/  T ) )
10 cdleme12.l . . . 4  |-  .<_  =  ( le `  K )
11 cdleme12.j . . . 4  |-  .\/  =  ( join `  K )
12 cdleme12.m . . . 4  |-  ./\  =  ( meet `  K )
13 cdleme12.a . . . 4  |-  A  =  ( Atoms `  K )
14 cdleme12.h . . . 4  |-  H  =  ( LHyp `  K
)
15 cdleme12.u . . . 4  |-  U  =  ( ( P  .\/  Q )  ./\  W )
16 eqid 2256 . . . 4  |-  ( ( P  .\/  S ) 
./\  W )  =  ( ( P  .\/  S )  ./\  W )
17 eqid 2256 . . . 4  |-  ( ( P  .\/  T ) 
./\  W )  =  ( ( P  .\/  T )  ./\  W )
1810, 11, 12, 13, 14, 15, 16, 17cdleme11e 29582 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  Q  e.  A
)  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  T  e.  A  /\  P  =/=  Q
)  /\  ( S  =/=  T  /\  -.  S  .<_  ( P  .\/  Q
)  /\  U  .<_  ( S  .\/  T ) ) )  ->  (
( P  .\/  S
)  ./\  W )  =/=  ( ( P  .\/  T )  ./\  W )
)
191, 2, 3, 4, 5, 6, 7, 8, 9, 18syl333anc 1219 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( ( P  .\/  S )  ./\  W )  =/=  ( ( P  .\/  T )  ./\  W )
)
20 oveq2 5765 . . . . . . 7  |-  ( F  =  G  ->  ( Q  .\/  F )  =  ( Q  .\/  G
) )
2120oveq1d 5772 . . . . . 6  |-  ( F  =  G  ->  (
( Q  .\/  F
)  ./\  W )  =  ( ( Q 
.\/  G )  ./\  W ) )
2221adantl 454 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  /\  F  =  G )  ->  ( ( Q  .\/  F )  ./\  W )  =  ( ( Q 
.\/  G )  ./\  W ) )
23 simp13 992 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( Q  e.  A  /\  -.  Q  .<_  W ) )
24 cdleme12.f . . . . . . . 8  |-  F  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
2510, 11, 12, 13, 14, 15, 16, 15, 24cdleme11k 29587 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  ( S  e.  A  /\  -.  S  .<_  W ) )  /\  ( P  =/=  Q  /\  -.  S  .<_  ( P 
.\/  Q ) ) )  ->  ( ( P  .\/  S )  ./\  W )  =  ( ( Q  .\/  F ) 
./\  W ) )
261, 2, 23, 4, 6, 8, 25syl132anc 1205 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( ( P  .\/  S )  ./\  W )  =  ( ( Q 
.\/  F )  ./\  W ) )
2726adantr 453 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  /\  F  =  G )  ->  ( ( P  .\/  S )  ./\  W )  =  ( ( Q 
.\/  F )  ./\  W ) )
28 simp22 994 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( T  e.  A  /\  -.  T  .<_  W ) )
29 simp32 997 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  -.  T  .<_  ( P 
.\/  Q ) )
30 cdleme12.g . . . . . . . 8  |-  G  =  ( ( T  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  T )  ./\  W )
) )
3110, 11, 12, 13, 14, 15, 17, 15, 30cdleme11k 29587 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W ) )  /\  ( P  =/=  Q  /\  -.  T  .<_  ( P 
.\/  Q ) ) )  ->  ( ( P  .\/  T )  ./\  W )  =  ( ( Q  .\/  G ) 
./\  W ) )
321, 2, 23, 28, 6, 29, 31syl132anc 1205 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( ( P  .\/  T )  ./\  W )  =  ( ( Q 
.\/  G )  ./\  W ) )
3332adantr 453 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  /\  F  =  G )  ->  ( ( P  .\/  T )  ./\  W )  =  ( ( Q 
.\/  G )  ./\  W ) )
3422, 27, 333eqtr4d 2298 . . . 4  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  /\  F  =  G )  ->  ( ( P  .\/  S )  ./\  W )  =  ( ( P 
.\/  T )  ./\  W ) )
3534ex 425 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( F  =  G  ->  ( ( P 
.\/  S )  ./\  W )  =  ( ( P  .\/  T ) 
./\  W ) ) )
3635necon3d 2457 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  -> 
( ( ( P 
.\/  S )  ./\  W )  =/=  ( ( P  .\/  T ) 
./\  W )  ->  F  =/=  G ) )
3719, 36mpd 16 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( ( S  e.  A  /\  -.  S  .<_  W )  /\  ( T  e.  A  /\  -.  T  .<_  W )  /\  ( P  =/= 
Q  /\  S  =/=  T ) )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  F  =/=  G )
Colors of variables: wff set class
Syntax hints:   -. wn 5    -> wi 6    /\ wa 360    /\ w3a 939    = wceq 1619    e. wcel 1621    =/= wne 2419   class class class wbr 3963   ` cfv 4638  (class class class)co 5757   lecple 13142   joincjn 14005   meetcmee 14006   Atomscatm 28583   HLchlt 28670   LHypclh 29303
This theorem is referenced by:  cdleme11  29589
This theorem was proved from axioms:  ax-1 7  ax-2 8  ax-3 9  ax-mp 10  ax-5 1533  ax-6 1534  ax-7 1535  ax-gen 1536  ax-8 1623  ax-11 1624  ax-13 1625  ax-14 1626  ax-17 1628  ax-12o 1664  ax-10 1678  ax-9 1684  ax-4 1692  ax-16 1927  ax-ext 2237  ax-rep 4071  ax-sep 4081  ax-nul 4089  ax-pow 4126  ax-pr 4152  ax-un 4449
This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3an 941  df-tru 1315  df-ex 1538  df-nf 1540  df-sb 1884  df-eu 2121  df-mo 2122  df-clab 2243  df-cleq 2249  df-clel 2252  df-nfc 2381  df-ne 2421  df-nel 2422  df-ral 2520  df-rex 2521  df-reu 2522  df-rab 2523  df-v 2742  df-sbc 2936  df-csb 3024  df-dif 3097  df-un 3099  df-in 3101  df-ss 3108  df-nul 3398  df-if 3507  df-pw 3568  df-sn 3587  df-pr 3588  df-op 3590  df-uni 3769  df-iun 3848  df-iin 3849  df-br 3964  df-opab 4018  df-mpt 4019  df-id 4246  df-xp 4640  df-rel 4641  df-cnv 4642  df-co 4643  df-dm 4644  df-rn 4645  df-res 4646  df-ima 4647  df-fun 4648  df-fn 4649  df-f 4650  df-f1 4651  df-fo 4652  df-f1o 4653  df-fv 4654  df-ov 5760  df-oprab 5761  df-mpt2 5762  df-1st 6021  df-2nd 6022  df-iota 6190  df-undef 6229  df-riota 6237  df-poset 14007  df-plt 14019  df-lub 14035  df-glb 14036  df-join 14037  df-meet 14038  df-p0 14072  df-p1 14073  df-lat 14079  df-clat 14141  df-oposet 28496  df-ol 28498  df-oml 28499  df-covers 28586  df-ats 28587  df-atl 28618  df-cvlat 28642  df-hlat 28671  df-lines 28820  df-psubsp 28822  df-pmap 28823  df-padd 29115  df-lhyp 29307
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