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Theorem cdlemd6 34999
Description: Part of proof of Lemma D in [Crawley] p. 113. (Contributed by NM, 31-May-2012.)
Hypotheses
Ref Expression
cdlemd4.l  |-  .<_  =  ( le `  K )
cdlemd4.j  |-  .\/  =  ( join `  K )
cdlemd4.a  |-  A  =  ( Atoms `  K )
cdlemd4.h  |-  H  =  ( LHyp `  K
)
cdlemd4.t  |-  T  =  ( ( LTrn `  K
) `  W )
Assertion
Ref Expression
cdlemd6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( F `  Q
)  =  ( G `
 Q ) )

Proof of Theorem cdlemd6
StepHypRef Expression
1 simp3 998 . . . . . . 7  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( F `  P
)  =  ( G `
 P ) )
21oveq2d 6298 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( P  .\/  ( F `  P )
)  =  ( P 
.\/  ( G `  P ) ) )
32oveq1d 6297 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( P  .\/  ( F `  P ) ) ( meet `  K
) W )  =  ( ( P  .\/  ( G `  P ) ) ( meet `  K
) W ) )
4 simp1l 1020 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
5 simp1rl 1061 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  ->  F  e.  T )
6 simp21 1029 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( P  e.  A  /\  -.  P  .<_  W ) )
7 cdlemd4.l . . . . . . 7  |-  .<_  =  ( le `  K )
8 cdlemd4.j . . . . . . 7  |-  .\/  =  ( join `  K )
9 eqid 2467 . . . . . . 7  |-  ( meet `  K )  =  (
meet `  K )
10 cdlemd4.a . . . . . . 7  |-  A  =  ( Atoms `  K )
11 cdlemd4.h . . . . . . 7  |-  H  =  ( LHyp `  K
)
12 cdlemd4.t . . . . . . 7  |-  T  =  ( ( LTrn `  K
) `  W )
13 eqid 2467 . . . . . . 7  |-  ( ( trL `  K ) `
 W )  =  ( ( trL `  K
) `  W )
147, 8, 9, 10, 11, 12, 13trlval2 34959 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  ->  ( (
( trL `  K
) `  W ) `  F )  =  ( ( P  .\/  ( F `  P )
) ( meet `  K
) W ) )
154, 5, 6, 14syl3anc 1228 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( ( trL `  K ) `  W
) `  F )  =  ( ( P 
.\/  ( F `  P ) ) (
meet `  K ) W ) )
16 simp1rr 1062 . . . . . 6  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  ->  G  e.  T )
177, 8, 9, 10, 11, 12, 13trlval2 34959 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  G  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  ->  ( (
( trL `  K
) `  W ) `  G )  =  ( ( P  .\/  ( G `  P )
) ( meet `  K
) W ) )
184, 16, 6, 17syl3anc 1228 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( ( trL `  K ) `  W
) `  G )  =  ( ( P 
.\/  ( G `  P ) ) (
meet `  K ) W ) )
193, 15, 183eqtr4d 2518 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( ( trL `  K ) `  W
) `  F )  =  ( ( ( trL `  K ) `
 W ) `  G ) )
2019oveq2d 6298 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( Q  .\/  (
( ( trL `  K
) `  W ) `  F ) )  =  ( Q  .\/  (
( ( trL `  K
) `  W ) `  G ) ) )
211oveq1d 6297 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( F `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) )  =  ( ( G `
 P )  .\/  ( ( P  .\/  Q ) ( meet `  K
) W ) ) )
2220, 21oveq12d 6300 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( ( Q  .\/  ( ( ( trL `  K ) `  W
) `  F )
) ( meet `  K
) ( ( F `
 P )  .\/  ( ( P  .\/  Q ) ( meet `  K
) W ) ) )  =  ( ( Q  .\/  ( ( ( trL `  K
) `  W ) `  G ) ) (
meet `  K )
( ( G `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) ) ) )
23 simp22 1030 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( Q  e.  A  /\  -.  Q  .<_  W ) )
24 simp23 1031 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  ->  -.  Q  .<_  ( P 
.\/  ( F `  P ) ) )
257, 8, 9, 10, 11, 12, 13cdlemc 34993 . . 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 `  Q )  =  ( ( Q 
.\/  ( ( ( trL `  K ) `
 W ) `  F ) ) (
meet `  K )
( ( F `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) ) ) )
264, 5, 6, 23, 24, 25syl131anc 1241 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( F `  Q
)  =  ( ( Q  .\/  ( ( ( trL `  K
) `  W ) `  F ) ) (
meet `  K )
( ( F `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) ) ) )
27 oveq2 6290 . . . . . . 7  |-  ( ( F `  P )  =  ( G `  P )  ->  ( P  .\/  ( F `  P ) )  =  ( P  .\/  ( G `  P )
) )
2827breq2d 4459 . . . . . 6  |-  ( ( F `  P )  =  ( G `  P )  ->  ( Q  .<_  ( P  .\/  ( F `  P ) )  <->  Q  .<_  ( P 
.\/  ( G `  P ) ) ) )
2928notbid 294 . . . . 5  |-  ( ( F `  P )  =  ( G `  P )  ->  ( -.  Q  .<_  ( P 
.\/  ( F `  P ) )  <->  -.  Q  .<_  ( P  .\/  ( G `  P )
) ) )
3029biimpd 207 . . . 4  |-  ( ( F `  P )  =  ( G `  P )  ->  ( -.  Q  .<_  ( P 
.\/  ( F `  P ) )  ->  -.  Q  .<_  ( P 
.\/  ( G `  P ) ) ) )
311, 24, 30sylc 60 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  ->  -.  Q  .<_  ( P 
.\/  ( G `  P ) ) )
327, 8, 9, 10, 11, 12, 13cdlemc 34993 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( G  e.  T  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  -.  Q  .<_  ( P  .\/  ( G `  P )
) )  ->  ( G `  Q )  =  ( ( Q 
.\/  ( ( ( trL `  K ) `
 W ) `  G ) ) (
meet `  K )
( ( G `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) ) ) )
334, 16, 6, 23, 31, 32syl131anc 1241 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( G `  Q
)  =  ( ( Q  .\/  ( ( ( trL `  K
) `  W ) `  G ) ) (
meet `  K )
( ( G `  P )  .\/  (
( P  .\/  Q
) ( meet `  K
) W ) ) ) )
3422, 26, 333eqtr4d 2518 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )
)  /\  ( ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W )  /\  -.  Q  .<_  ( P  .\/  ( F `  P ) ) )  /\  ( F `  P )  =  ( G `  P ) )  -> 
( F `  Q
)  =  ( G `
 Q ) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 369    /\ w3a 973    = wceq 1379    e. wcel 1767   class class class wbr 4447   ` cfv 5586  (class class class)co 6282   lecple 14555   joincjn 15424   meetcmee 15425   Atomscatm 34060   HLchlt 34147   LHypclh 34780   LTrncltrn 34897   trLctrl 34954
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 6574
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 5549  df-fun 5588  df-fn 5589  df-f 5590  df-f1 5591  df-fo 5592  df-f1o 5593  df-fv 5594  df-riota 6243  df-ov 6285  df-oprab 6286  df-mpt2 6287  df-1st 6781  df-2nd 6782  df-map 7419  df-poset 15426  df-plt 15438  df-lub 15454  df-glb 15455  df-join 15456  df-meet 15457  df-p0 15519  df-p1 15520  df-lat 15526  df-clat 15588  df-oposet 33973  df-ol 33975  df-oml 33976  df-covers 34063  df-ats 34064  df-atl 34095  df-cvlat 34119  df-hlat 34148  df-llines 34294  df-psubsp 34299  df-pmap 34300  df-padd 34592  df-lhyp 34784  df-laut 34785  df-ldil 34900  df-ltrn 34901  df-trl 34955
This theorem is referenced by:  cdlemd7  35000
  Copyright terms: Public domain W3C validator