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Theorem dalem7 35790
Description: Lemma for dath 35857. Analog of dalem5 35788 for  T. (Contributed by NM, 21-Jul-2012.)
Hypotheses
Ref Expression
dalema.ph  |-  ( ph  <->  ( ( ( K  e.  HL  /\  C  e.  ( Base `  K
) )  /\  ( P  e.  A  /\  Q  e.  A  /\  R  e.  A )  /\  ( S  e.  A  /\  T  e.  A  /\  U  e.  A
) )  /\  ( Y  e.  O  /\  Z  e.  O )  /\  ( ( -.  C  .<_  ( P  .\/  Q
)  /\  -.  C  .<_  ( Q  .\/  R
)  /\  -.  C  .<_  ( R  .\/  P
) )  /\  ( -.  C  .<_  ( S 
.\/  T )  /\  -.  C  .<_  ( T 
.\/  U )  /\  -.  C  .<_  ( U 
.\/  S ) )  /\  ( C  .<_  ( P  .\/  S )  /\  C  .<_  ( Q 
.\/  T )  /\  C  .<_  ( R  .\/  U ) ) ) ) )
dalemc.l  |-  .<_  =  ( le `  K )
dalemc.j  |-  .\/  =  ( join `  K )
dalemc.a  |-  A  =  ( Atoms `  K )
dalem6.o  |-  O  =  ( LPlanes `  K )
dalem6.y  |-  Y  =  ( ( P  .\/  Q )  .\/  R )
dalem6.z  |-  Z  =  ( ( S  .\/  T )  .\/  U )
dalem6.w  |-  W  =  ( Y  .\/  C
)
Assertion
Ref Expression
dalem7  |-  ( ph  ->  T  .<_  W )

Proof of Theorem dalem7
StepHypRef Expression
1 dalema.ph . . . 4  |-  ( ph  <->  ( ( ( K  e.  HL  /\  C  e.  ( Base `  K
) )  /\  ( P  e.  A  /\  Q  e.  A  /\  R  e.  A )  /\  ( S  e.  A  /\  T  e.  A  /\  U  e.  A
) )  /\  ( Y  e.  O  /\  Z  e.  O )  /\  ( ( -.  C  .<_  ( P  .\/  Q
)  /\  -.  C  .<_  ( Q  .\/  R
)  /\  -.  C  .<_  ( R  .\/  P
) )  /\  ( -.  C  .<_  ( S 
.\/  T )  /\  -.  C  .<_  ( T 
.\/  U )  /\  -.  C  .<_  ( U 
.\/  S ) )  /\  ( C  .<_  ( P  .\/  S )  /\  C  .<_  ( Q 
.\/  T )  /\  C  .<_  ( R  .\/  U ) ) ) ) )
2 dalemc.l . . . 4  |-  .<_  =  ( le `  K )
3 dalemc.j . . . 4  |-  .\/  =  ( join `  K )
4 dalemc.a . . . 4  |-  A  =  ( Atoms `  K )
5 dalem6.y . . . 4  |-  Y  =  ( ( P  .\/  Q )  .\/  R )
6 dalem6.z . . . 4  |-  Z  =  ( ( S  .\/  T )  .\/  U )
71, 2, 3, 4, 5, 6dalemrot 35778 . . 3  |-  ( ph  ->  ( ( ( K  e.  HL  /\  C  e.  ( Base `  K
) )  /\  ( Q  e.  A  /\  R  e.  A  /\  P  e.  A )  /\  ( T  e.  A  /\  U  e.  A  /\  S  e.  A
) )  /\  (
( ( Q  .\/  R )  .\/  P )  e.  O  /\  (
( T  .\/  U
)  .\/  S )  e.  O )  /\  (
( -.  C  .<_  ( Q  .\/  R )  /\  -.  C  .<_  ( R  .\/  P )  /\  -.  C  .<_  ( P  .\/  Q ) )  /\  ( -.  C  .<_  ( T  .\/  U )  /\  -.  C  .<_  ( U  .\/  S )  /\  -.  C  .<_  ( S  .\/  T
) )  /\  ( C  .<_  ( Q  .\/  T )  /\  C  .<_  ( R  .\/  U )  /\  C  .<_  ( P 
.\/  S ) ) ) ) )
8 biid 236 . . . 4  |-  ( ( ( ( K  e.  HL  /\  C  e.  ( Base `  K
) )  /\  ( Q  e.  A  /\  R  e.  A  /\  P  e.  A )  /\  ( T  e.  A  /\  U  e.  A  /\  S  e.  A
) )  /\  (
( ( Q  .\/  R )  .\/  P )  e.  O  /\  (
( T  .\/  U
)  .\/  S )  e.  O )  /\  (
( -.  C  .<_  ( Q  .\/  R )  /\  -.  C  .<_  ( R  .\/  P )  /\  -.  C  .<_  ( P  .\/  Q ) )  /\  ( -.  C  .<_  ( T  .\/  U )  /\  -.  C  .<_  ( U  .\/  S )  /\  -.  C  .<_  ( S  .\/  T
) )  /\  ( C  .<_  ( Q  .\/  T )  /\  C  .<_  ( R  .\/  U )  /\  C  .<_  ( P 
.\/  S ) ) ) )  <->  ( (
( K  e.  HL  /\  C  e.  ( Base `  K ) )  /\  ( Q  e.  A  /\  R  e.  A  /\  P  e.  A
)  /\  ( T  e.  A  /\  U  e.  A  /\  S  e.  A ) )  /\  ( ( ( Q 
.\/  R )  .\/  P )  e.  O  /\  ( ( T  .\/  U )  .\/  S )  e.  O )  /\  ( ( -.  C  .<_  ( Q  .\/  R
)  /\  -.  C  .<_  ( R  .\/  P
)  /\  -.  C  .<_  ( P  .\/  Q
) )  /\  ( -.  C  .<_  ( T 
.\/  U )  /\  -.  C  .<_  ( U 
.\/  S )  /\  -.  C  .<_  ( S 
.\/  T ) )  /\  ( C  .<_  ( Q  .\/  T )  /\  C  .<_  ( R 
.\/  U )  /\  C  .<_  ( P  .\/  S ) ) ) ) )
9 dalem6.o . . . 4  |-  O  =  ( LPlanes `  K )
10 eqid 2454 . . . 4  |-  ( ( Q  .\/  R ) 
.\/  P )  =  ( ( Q  .\/  R )  .\/  P )
11 eqid 2454 . . . 4  |-  ( ( T  .\/  U ) 
.\/  S )  =  ( ( T  .\/  U )  .\/  S )
12 eqid 2454 . . . 4  |-  ( ( ( Q  .\/  R
)  .\/  P )  .\/  C )  =  ( ( ( Q  .\/  R )  .\/  P ) 
.\/  C )
138, 2, 3, 4, 9, 10, 11, 12dalem6 35789 . . 3  |-  ( ( ( ( K  e.  HL  /\  C  e.  ( Base `  K
) )  /\  ( Q  e.  A  /\  R  e.  A  /\  P  e.  A )  /\  ( T  e.  A  /\  U  e.  A  /\  S  e.  A
) )  /\  (
( ( Q  .\/  R )  .\/  P )  e.  O  /\  (
( T  .\/  U
)  .\/  S )  e.  O )  /\  (
( -.  C  .<_  ( Q  .\/  R )  /\  -.  C  .<_  ( R  .\/  P )  /\  -.  C  .<_  ( P  .\/  Q ) )  /\  ( -.  C  .<_  ( T  .\/  U )  /\  -.  C  .<_  ( U  .\/  S )  /\  -.  C  .<_  ( S  .\/  T
) )  /\  ( C  .<_  ( Q  .\/  T )  /\  C  .<_  ( R  .\/  U )  /\  C  .<_  ( P 
.\/  S ) ) ) )  ->  T  .<_  ( ( ( Q 
.\/  R )  .\/  P )  .\/  C ) )
147, 13syl 16 . 2  |-  ( ph  ->  T  .<_  ( (
( Q  .\/  R
)  .\/  P )  .\/  C ) )
15 dalem6.w . . 3  |-  W  =  ( Y  .\/  C
)
161, 3, 4dalemqrprot 35769 . . . . 5  |-  ( ph  ->  ( ( Q  .\/  R )  .\/  P )  =  ( ( P 
.\/  Q )  .\/  R ) )
1716, 5syl6reqr 2514 . . . 4  |-  ( ph  ->  Y  =  ( ( Q  .\/  R ) 
.\/  P ) )
1817oveq1d 6285 . . 3  |-  ( ph  ->  ( Y  .\/  C
)  =  ( ( ( Q  .\/  R
)  .\/  P )  .\/  C ) )
1915, 18syl5eq 2507 . 2  |-  ( ph  ->  W  =  ( ( ( Q  .\/  R
)  .\/  P )  .\/  C ) )
2014, 19breqtrrd 4465 1  |-  ( ph  ->  T  .<_  W )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 184    /\ wa 367    /\ w3a 971    = wceq 1398    e. wcel 1823   class class class wbr 4439   ` cfv 5570  (class class class)co 6270   Basecbs 14716   lecple 14791   joincjn 15772   Atomscatm 35385   HLchlt 35472   LPlanesclpl 35613
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1623  ax-4 1636  ax-5 1709  ax-6 1752  ax-7 1795  ax-8 1825  ax-9 1827  ax-10 1842  ax-11 1847  ax-12 1859  ax-13 2004  ax-ext 2432  ax-rep 4550  ax-sep 4560  ax-nul 4568  ax-pow 4615  ax-pr 4676  ax-un 6565
This theorem depends on definitions:  df-bi 185  df-or 368  df-an 369  df-3an 973  df-tru 1401  df-ex 1618  df-nf 1622  df-sb 1745  df-eu 2288  df-mo 2289  df-clab 2440  df-cleq 2446  df-clel 2449  df-nfc 2604  df-ne 2651  df-ral 2809  df-rex 2810  df-reu 2811  df-rab 2813  df-v 3108  df-sbc 3325  df-csb 3421  df-dif 3464  df-un 3466  df-in 3468  df-ss 3475  df-nul 3784  df-if 3930  df-pw 4001  df-sn 4017  df-pr 4019  df-op 4023  df-uni 4236  df-iun 4317  df-br 4440  df-opab 4498  df-mpt 4499  df-id 4784  df-xp 4994  df-rel 4995  df-cnv 4996  df-co 4997  df-dm 4998  df-rn 4999  df-res 5000  df-ima 5001  df-iota 5534  df-fun 5572  df-fn 5573  df-f 5574  df-f1 5575  df-fo 5576  df-f1o 5577  df-fv 5578  df-riota 6232  df-ov 6273  df-oprab 6274  df-preset 15756  df-poset 15774  df-plt 15787  df-lub 15803  df-glb 15804  df-join 15805  df-meet 15806  df-p0 15868  df-lat 15875  df-clat 15937  df-oposet 35298  df-ol 35300  df-oml 35301  df-covers 35388  df-ats 35389  df-atl 35420  df-cvlat 35444  df-hlat 35473  df-llines 35619  df-lplanes 35620
This theorem is referenced by:  dalem8  35791
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