Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  cdleme19b Unicode version

Theorem cdleme19b 30469
Description: Part of proof of Lemma E in [Crawley] p. 113, 5th paragraph on p. 114, 1st line.  D,  F,  G represent s2, f(s), f(t). In their notation, we prove that if r 
<_ s  \/ t, then s2  <_ f(s)  \/ f(t). (Contributed by NM, 13-Nov-2012.)
Hypotheses
Ref Expression
cdleme19.l  |-  .<_  =  ( le `  K )
cdleme19.j  |-  .\/  =  ( join `  K )
cdleme19.m  |-  ./\  =  ( meet `  K )
cdleme19.a  |-  A  =  ( Atoms `  K )
cdleme19.h  |-  H  =  ( LHyp `  K
)
cdleme19.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
cdleme19.f  |-  F  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
cdleme19.g  |-  G  =  ( ( T  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  T )  ./\  W )
) )
cdleme19.d  |-  D  =  ( ( R  .\/  S )  ./\  W )
cdleme19.y  |-  Y  =  ( ( R  .\/  T )  ./\  W )
Assertion
Ref Expression
cdleme19b  |-  ( ( ( ( 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  D  .<_  ( F  .\/  G
) )

Proof of Theorem cdleme19b
StepHypRef Expression
1 simp11l 1068 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  K  e.  HL )
2 simp23 992 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  R  e.  A )
3 simp21l 1074 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  S  e.  A )
4 simp22l 1076 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  T  e.  A )
5 simp33l 1084 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  R  .<_  ( P  .\/  Q
) )
6 simp32l 1082 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  -.  S  .<_  ( P  .\/  Q ) )
7 simp33r 1085 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  R  .<_  ( S  .\/  T
) )
8 cdleme19.l . . . . 5  |-  .<_  =  ( le `  K )
9 cdleme19.j . . . . 5  |-  .\/  =  ( join `  K )
10 cdleme19.m . . . . 5  |-  ./\  =  ( meet `  K )
11 cdleme19.a . . . . 5  |-  A  =  ( Atoms `  K )
12 cdleme19.h . . . . 5  |-  H  =  ( LHyp `  K
)
13 cdleme19.u . . . . 5  |-  U  =  ( ( P  .\/  Q )  ./\  W )
14 cdleme19.f . . . . 5  |-  F  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
15 cdleme19.g . . . . 5  |-  G  =  ( ( T  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  T )  ./\  W )
) )
16 cdleme19.d . . . . 5  |-  D  =  ( ( R  .\/  S )  ./\  W )
17 cdleme19.y . . . . 5  |-  Y  =  ( ( R  .\/  T )  ./\  W )
188, 9, 10, 11, 12, 13, 14, 15, 16, 17cdleme19a 30468 . . . 4  |-  ( ( K  e.  HL  /\  ( R  e.  A  /\  S  e.  A  /\  T  e.  A
)  /\  ( R  .<_  ( P  .\/  Q
)  /\  -.  S  .<_  ( P  .\/  Q
)  /\  R  .<_  ( S  .\/  T ) ) )  ->  D  =  ( ( S 
.\/  T )  ./\  W ) )
191, 2, 3, 4, 5, 6, 7, 18syl133anc 1207 . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  D  =  ( ( S 
.\/  T )  ./\  W ) )
20 simp11 987 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( K  e.  HL  /\  W  e.  H ) )
21 simp12 988 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( P  e.  A  /\  -.  P  .<_  W ) )
22 simp13 989 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( Q  e.  A  /\  -.  Q  .<_  W ) )
23 simp21 990 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( S  e.  A  /\  -.  S  .<_  W ) )
24 simp22 991 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( T  e.  A  /\  -.  T  .<_  W ) )
25 simp31 993 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( P  =/=  Q  /\  S  =/=  T ) )
26 simp32r 1083 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  -.  T  .<_  ( P  .\/  Q ) )
278, 9, 10, 11, 12, 13, 14, 15cdleme16 30450 . . . 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 ) ) )  ->  ( ( S  .\/  T )  ./\  W )  =  ( ( F  .\/  G ) 
./\  W ) )
2820, 21, 22, 23, 24, 25, 6, 26, 27syl332anc 1215 . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  (
( S  .\/  T
)  ./\  W )  =  ( ( F 
.\/  G )  ./\  W ) )
2919, 28eqtrd 2412 . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  D  =  ( ( F 
.\/  G )  ./\  W ) )
30 hllat 29529 . . . 4  |-  ( K  e.  HL  ->  K  e.  Lat )
311, 30syl 16 . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  K  e.  Lat )
32 simp11r 1069 . . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  W  e.  H )
33 simp12l 1070 . . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  P  e.  A )
34 simp13l 1072 . . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  Q  e.  A )
35 eqid 2380 . . . . . 6  |-  ( Base `  K )  =  (
Base `  K )
368, 9, 10, 11, 12, 13, 14, 35cdleme1b 30391 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  S  e.  A ) )  ->  F  e.  ( Base `  K ) )
371, 32, 33, 34, 3, 36syl23anc 1191 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  F  e.  ( Base `  K
) )
388, 9, 10, 11, 12, 13, 15, 35cdleme1b 30391 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  T  e.  A ) )  ->  G  e.  ( Base `  K ) )
391, 32, 33, 34, 4, 38syl23anc 1191 . . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  G  e.  ( Base `  K
) )
4035, 9latjcl 14399 . . . 4  |-  ( ( K  e.  Lat  /\  F  e.  ( Base `  K )  /\  G  e.  ( Base `  K
) )  ->  ( F  .\/  G )  e.  ( Base `  K
) )
4131, 37, 39, 40syl3anc 1184 . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  ( F  .\/  G )  e.  ( Base `  K
) )
4235, 12lhpbase 30163 . . . 4  |-  ( W  e.  H  ->  W  e.  ( Base `  K
) )
4332, 42syl 16 . . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  W  e.  ( Base `  K
) )
4435, 8, 10latmle1 14425 . . 3  |-  ( ( K  e.  Lat  /\  ( F  .\/  G )  e.  ( Base `  K
)  /\  W  e.  ( Base `  K )
)  ->  ( ( F  .\/  G )  ./\  W )  .<_  ( F  .\/  G ) )
4531, 41, 43, 44syl3anc 1184 . 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  (
( F  .\/  G
)  ./\  W )  .<_  ( F  .\/  G
) )
4629, 45eqbrtrd 4166 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 )  /\  R  e.  A
)  /\  ( ( P  =/=  Q  /\  S  =/=  T )  /\  ( -.  S  .<_  ( P 
.\/  Q )  /\  -.  T  .<_  ( P 
.\/  Q ) )  /\  ( R  .<_  ( P  .\/  Q )  /\  R  .<_  ( S 
.\/  T ) ) ) )  ->  D  .<_  ( F  .\/  G
) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 359    /\ w3a 936    = wceq 1649    e. wcel 1717    =/= wne 2543   class class class wbr 4146   ` cfv 5387  (class class class)co 6013   Basecbs 13389   lecple 13456   joincjn 14321   meetcmee 14322   Latclat 14394   Atomscatm 29429   HLchlt 29516   LHypclh 30149
This theorem is referenced by:  cdleme19d  30471
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-3or 937  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-iin 4031  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-p1 14389  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  df-llines 29663  df-lplanes 29664  df-lvols 29665  df-lines 29666  df-psubsp 29668  df-pmap 29669  df-padd 29961  df-lhyp 30153
  Copyright terms: Public domain W3C validator