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Theorem cdlemc 35210
Description: Lemma C in [Crawley] p. 113. (Contributed by NM, 26-May-2012.)
Hypotheses
Ref Expression
cdlemc3.l  |-  .<_  =  ( le `  K )
cdlemc3.j  |-  .\/  =  ( join `  K )
cdlemc3.m  |-  ./\  =  ( meet `  K )
cdlemc3.a  |-  A  =  ( Atoms `  K )
cdlemc3.h  |-  H  =  ( LHyp `  K
)
cdlemc3.t  |-  T  =  ( ( LTrn `  K
) `  W )
cdlemc3.r  |-  R  =  ( ( trL `  K
) `  W )
Assertion
Ref Expression
cdlemc  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P  .\/  ( F `  P )
) )  ->  ( F `  Q )  =  ( ( Q 
.\/  ( R `  F ) )  ./\  ( ( F `  P )  .\/  (
( P  .\/  Q
)  ./\  W )
) ) )

Proof of Theorem cdlemc
StepHypRef Expression
1 simpl1 999 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =  P )  ->  ( K  e.  HL  /\  W  e.  H ) )
2 simpl2 1000 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =  P )  ->  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) ) )
3 simpr 461 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =  P )  ->  ( F `  P )  =  P )
4 cdlemc3.l . . . 4  |-  .<_  =  ( le `  K )
5 cdlemc3.j . . . 4  |-  .\/  =  ( join `  K )
6 cdlemc3.m . . . 4  |-  ./\  =  ( meet `  K )
7 cdlemc3.a . . . 4  |-  A  =  ( Atoms `  K )
8 cdlemc3.h . . . 4  |-  H  =  ( LHyp `  K
)
9 cdlemc3.t . . . 4  |-  T  =  ( ( LTrn `  K
) `  W )
10 cdlemc3.r . . . 4  |-  R  =  ( ( trL `  K
) `  W )
114, 5, 6, 7, 8, 9, 10cdlemc6 35209 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( F `
 P )  =  P )  ->  ( F `  Q )  =  ( ( Q 
.\/  ( R `  F ) )  ./\  ( ( F `  P )  .\/  (
( P  .\/  Q
)  ./\  W )
) ) )
121, 2, 3, 11syl3anc 1228 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =  P )  ->  ( F `  Q )  =  ( ( Q  .\/  ( R `  F )
)  ./\  ( ( F `  P )  .\/  ( ( P  .\/  Q )  ./\  W )
) ) )
13 simpl1 999 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =/=  P
)  ->  ( K  e.  HL  /\  W  e.  H ) )
14 simpl2 1000 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =/=  P
)  ->  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) ) )
15 simpl3 1001 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =/=  P
)  ->  -.  Q  .<_  ( P  .\/  ( F `  P )
) )
16 simpr 461 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =/=  P
)  ->  ( F `  P )  =/=  P
)
174, 5, 6, 7, 8, 9, 10cdlemc5 35208 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( -.  Q  .<_  ( P  .\/  ( F `  P
) )  /\  ( F `  P )  =/=  P ) )  -> 
( F `  Q
)  =  ( ( Q  .\/  ( R `
 F ) ) 
./\  ( ( F `
 P )  .\/  ( ( P  .\/  Q )  ./\  W )
) ) )
1813, 14, 15, 16, 17syl112anc 1232 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )  /\  ( F `  P )  =/=  P
)  ->  ( F `  Q )  =  ( ( Q  .\/  ( R `  F )
)  ./\  ( ( F `  P )  .\/  ( ( P  .\/  Q )  ./\  W )
) ) )
1912, 18pm2.61dane 2785 1  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P  .\/  ( F `  P )
) )  ->  ( F `  Q )  =  ( ( Q 
.\/  ( R `  F ) )  ./\  ( ( F `  P )  .\/  (
( P  .\/  Q
)  ./\  W )
) ) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 369    /\ w3a 973    = wceq 1379    e. wcel 1767    =/= wne 2662   class class class wbr 4447   ` cfv 5588  (class class class)co 6285   lecple 14565   joincjn 15434   meetcmee 15435   Atomscatm 34277   HLchlt 34364   LHypclh 34997   LTrncltrn 35114   trLctrl 35171
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-rep 4558  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6577
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-ral 2819  df-rex 2820  df-reu 2821  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-op 4034  df-uni 4246  df-iun 4327  df-iin 4328  df-br 4448  df-opab 4506  df-mpt 4507  df-id 4795  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5551  df-fun 5590  df-fn 5591  df-f 5592  df-f1 5593  df-fo 5594  df-f1o 5595  df-fv 5596  df-riota 6246  df-ov 6288  df-oprab 6289  df-mpt2 6290  df-1st 6785  df-2nd 6786  df-map 7423  df-poset 15436  df-plt 15448  df-lub 15464  df-glb 15465  df-join 15466  df-meet 15467  df-p0 15529  df-p1 15530  df-lat 15536  df-clat 15598  df-oposet 34190  df-ol 34192  df-oml 34193  df-covers 34280  df-ats 34281  df-atl 34312  df-cvlat 34336  df-hlat 34365  df-llines 34511  df-psubsp 34516  df-pmap 34517  df-padd 34809  df-lhyp 35001  df-laut 35002  df-ldil 35117  df-ltrn 35118  df-trl 35172
This theorem is referenced by:  cdlemd6  35216  cdlemg4e  35627  cdlemg43  35743
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