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Theorem cdleme11e 29141
Description: Part of proof of Lemma E in [Crawley] p. 113. Lemma leading to cdleme11 29148. (Contributed by NM, 13-Jun-2012.)
Hypotheses
Ref Expression
cdleme11.l  |-  .<_  =  ( le `  K )
cdleme11.j  |-  .\/  =  ( join `  K )
cdleme11.m  |-  ./\  =  ( meet `  K )
cdleme11.a  |-  A  =  ( Atoms `  K )
cdleme11.h  |-  H  =  ( LHyp `  K
)
cdleme11.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
cdleme11.c  |-  C  =  ( ( P  .\/  S )  ./\  W )
cdleme11.d  |-  D  =  ( ( P  .\/  T )  ./\  W )
Assertion
Ref Expression
cdleme11e  |-  ( ( ( ( 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 ) ) )  ->  C  =/=  D )

Proof of Theorem cdleme11e
StepHypRef Expression
1 simp11 990 . . 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 ) ) )  ->  ( K  e.  HL  /\  W  e.  H ) )
2 simp12 991 . . 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  e.  A  /\  -.  P  .<_  W ) )
3 simp22 994 . . 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 ) ) )  ->  T  e.  A )
4 simp21 993 . . 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 ) ) )  ->  ( S  e.  A  /\  -.  S  .<_  W ) )
5 simp11l 1071 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  K  e.  HL )
6 hllat 28242 . . . . 5  |-  ( K  e.  HL  ->  K  e.  Lat )
75, 6syl 17 . . . 4  |-  ( ( ( ( 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 ) ) )  ->  K  e.  Lat )
8 simp12l 1073 . . . . 5  |-  ( ( ( ( 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  e.  A )
9 eqid 2253 . . . . . 6  |-  ( Base `  K )  =  (
Base `  K )
10 cdleme11.a . . . . . 6  |-  A  =  ( Atoms `  K )
119, 10atbase 28168 . . . . 5  |-  ( P  e.  A  ->  P  e.  ( Base `  K
) )
128, 11syl 17 . . . 4  |-  ( ( ( ( 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  e.  ( Base `  K
) )
13 simp21l 1077 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  S  e.  A )
149, 10atbase 28168 . . . . 5  |-  ( S  e.  A  ->  S  e.  ( Base `  K
) )
1513, 14syl 17 . . . 4  |-  ( ( ( ( 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 ) ) )  ->  S  e.  ( Base `  K
) )
169, 10atbase 28168 . . . . 5  |-  ( T  e.  A  ->  T  e.  ( Base `  K
) )
173, 16syl 17 . . . 4  |-  ( ( ( ( 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 ) ) )  ->  T  e.  ( Base `  K
) )
18 simp1 960 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  (
( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  Q  e.  A ) )
19 simp2 961 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  (
( S  e.  A  /\  -.  S  .<_  W )  /\  T  e.  A  /\  P  =/=  Q
) )
20 simp32 997 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  -.  S  .<_  ( P  .\/  Q ) )
21 simp33 998 . . . . 5  |-  ( ( ( ( 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 ) ) )  ->  U  .<_  ( S  .\/  T
) )
22 cdleme11.l . . . . . 6  |-  .<_  =  ( le `  K )
23 cdleme11.j . . . . . 6  |-  .\/  =  ( join `  K )
24 cdleme11.m . . . . . 6  |-  ./\  =  ( meet `  K )
25 cdleme11.h . . . . . 6  |-  H  =  ( LHyp `  K
)
26 cdleme11.u . . . . . 6  |-  U  =  ( ( P  .\/  Q )  ./\  W )
2722, 23, 24, 10, 25, 26cdleme11c 29139 . . . . 5  |-  ( ( ( ( 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  .<_  ( P  .\/  Q )  /\  U  .<_  ( S  .\/  T ) ) )  ->  -.  P  .<_  ( S  .\/  T ) )
2818, 19, 20, 21, 27syl112anc 1191 . . . 4  |-  ( ( ( ( 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  .\/  T ) )
299, 22, 23latnlej1r 14020 . . . 4  |-  ( ( K  e.  Lat  /\  ( P  e.  ( Base `  K )  /\  S  e.  ( Base `  K )  /\  T  e.  ( Base `  K
) )  /\  -.  P  .<_  ( S  .\/  T ) )  ->  P  =/=  T )
307, 12, 15, 17, 28, 29syl131anc 1200 . . 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  =/=  T )
31 simp31 996 . . . 4  |-  ( ( ( ( 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 ) ) )  ->  S  =/=  T )
3222, 23, 10hlatcon2 28330 . . . 4  |-  ( ( K  e.  HL  /\  ( S  e.  A  /\  T  e.  A  /\  P  e.  A
)  /\  ( S  =/=  T  /\  -.  P  .<_  ( S  .\/  T
) ) )  ->  -.  S  .<_  ( P 
.\/  T ) )
335, 13, 3, 8, 31, 28, 32syl132anc 1205 . . 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 ) ) )  ->  -.  S  .<_  ( P  .\/  T ) )
34 cdleme11.d . . . 4  |-  D  =  ( ( P  .\/  T )  ./\  W )
35 cdleme11.c . . . 4  |-  C  =  ( ( P  .\/  S )  ./\  W )
3622, 23, 24, 10, 25, 34, 35cdleme0e 29095 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  T  e.  A  /\  ( S  e.  A  /\  -.  S  .<_  W ) )  /\  ( P  =/=  T  /\  -.  S  .<_  ( P  .\/  T ) ) )  ->  D  =/=  C )
371, 2, 3, 4, 30, 33, 36syl132anc 1205 . 2  |-  ( ( ( ( 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 ) ) )  ->  D  =/=  C )
3837necomd 2495 1  |-  ( ( ( ( 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 ) ) )  ->  C  =/=  D )
Colors of variables: wff set class
Syntax hints:   -. wn 5    -> wi 6    /\ wa 360    /\ w3a 939    = wceq 1619    e. wcel 1621    =/= wne 2412   class class class wbr 3920   ` cfv 4592  (class class class)co 5710   Basecbs 13022   lecple 13089   joincjn 13922   meetcmee 13923   Latclat 13995   Atomscatm 28142   HLchlt 28229   LHypclh 28862
This theorem is referenced by:  cdleme11l  29147
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 1926  ax-ext 2234  ax-rep 4028  ax-sep 4038  ax-nul 4046  ax-pow 4082  ax-pr 4108  ax-un 4403
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 1883  df-eu 2118  df-mo 2119  df-clab 2240  df-cleq 2246  df-clel 2249  df-nfc 2374  df-ne 2414  df-nel 2415  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2516  df-v 2729  df-sbc 2922  df-csb 3010  df-dif 3081  df-un 3083  df-in 3085  df-ss 3089  df-nul 3363  df-if 3471  df-pw 3532  df-sn 3550  df-pr 3551  df-op 3553  df-uni 3728  df-iun 3805  df-iin 3806  df-br 3921  df-opab 3975  df-mpt 3976  df-id 4202  df-xp 4594  df-rel 4595  df-cnv 4596  df-co 4597  df-dm 4598  df-rn 4599  df-res 4600  df-ima 4601  df-fun 4602  df-fn 4603  df-f 4604  df-f1 4605  df-fo 4606  df-f1o 4607  df-fv 4608  df-ov 5713  df-oprab 5714  df-mpt2 5715  df-1st 5974  df-2nd 5975  df-iota 6143  df-undef 6182  df-riota 6190  df-poset 13924  df-plt 13936  df-lub 13952  df-glb 13953  df-join 13954  df-meet 13955  df-p0 13989  df-p1 13990  df-lat 13996  df-clat 14058  df-oposet 28055  df-ol 28057  df-oml 28058  df-covers 28145  df-ats 28146  df-atl 28177  df-cvlat 28201  df-hlat 28230  df-psubsp 28381  df-pmap 28382  df-padd 28674  df-lhyp 28866
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