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Theorem cdlemd6 29522
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 962 . . . . . . 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 5773 . . . . . 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 5772 . . . . 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 984 . . . . . 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 1025 . . . . . 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 993 . . . . . 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 2256 . . . . . . 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 2256 . . . . . . 7  |-  ( ( trL `  K ) `
 W )  =  ( ( trL `  K
) `  W )
147, 8, 9, 10, 11, 12, 13trlval2 29482 . . . . . 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 1187 . . . . 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 1026 . . . . . 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 29482 . . . . . 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 1187 . . . . 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 2298 . . . 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 5773 . . 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 5772 . . 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 5775 . 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 994 . . 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 995 . . 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 29516 . . 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 1200 . 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 5765 . . . . . . 7  |-  ( ( F `  P )  =  ( G `  P )  ->  ( P  .\/  ( F `  P ) )  =  ( P  .\/  ( G `  P )
) )
2827breq2d 3975 . . . . . 6  |-  ( ( F `  P )  =  ( G `  P )  ->  ( Q  .<_  ( P  .\/  ( F `  P ) )  <->  Q  .<_  ( P 
.\/  ( G `  P ) ) ) )
2928notbid 287 . . . . 5  |-  ( ( F `  P )  =  ( G `  P )  ->  ( -.  Q  .<_  ( P 
.\/  ( F `  P ) )  <->  -.  Q  .<_  ( P  .\/  ( G `  P )
) ) )
3029biimpd 200 . . . 4  |-  ( ( F `  P )  =  ( G `  P )  ->  ( -.  Q  .<_  ( P 
.\/  ( F `  P ) )  ->  -.  Q  .<_  ( P 
.\/  ( G `  P ) ) ) )
311, 24, 30sylc 58 . . 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 29516 . . 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 1200 . 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 2298 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 set class
Syntax hints:   -. wn 5    -> wi 6    /\ wa 360    /\ w3a 939    = wceq 1619    e. wcel 1621   class class class wbr 3963   ` cfv 4638  (class class class)co 5757   lecple 13142   joincjn 14005   meetcmee 14006   Atomscatm 28583   HLchlt 28670   LHypclh 29303   LTrncltrn 29420   trLctrl 29477
This theorem is referenced by:  cdlemd7  29523
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 1927  ax-ext 2237  ax-rep 4071  ax-sep 4081  ax-nul 4089  ax-pow 4126  ax-pr 4152  ax-un 4449
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 1884  df-eu 2121  df-mo 2122  df-clab 2243  df-cleq 2249  df-clel 2252  df-nfc 2381  df-ne 2421  df-nel 2422  df-ral 2520  df-rex 2521  df-reu 2522  df-rab 2523  df-v 2742  df-sbc 2936  df-csb 3024  df-dif 3097  df-un 3099  df-in 3101  df-ss 3108  df-nul 3398  df-if 3507  df-pw 3568  df-sn 3587  df-pr 3588  df-op 3590  df-uni 3769  df-iun 3848  df-iin 3849  df-br 3964  df-opab 4018  df-mpt 4019  df-id 4246  df-xp 4640  df-rel 4641  df-cnv 4642  df-co 4643  df-dm 4644  df-rn 4645  df-res 4646  df-ima 4647  df-fun 4648  df-fn 4649  df-f 4650  df-f1 4651  df-fo 4652  df-f1o 4653  df-fv 4654  df-ov 5760  df-oprab 5761  df-mpt2 5762  df-1st 6021  df-2nd 6022  df-iota 6190  df-undef 6229  df-riota 6237  df-map 6707  df-poset 14007  df-plt 14019  df-lub 14035  df-glb 14036  df-join 14037  df-meet 14038  df-p0 14072  df-p1 14073  df-lat 14079  df-clat 14141  df-oposet 28496  df-ol 28498  df-oml 28499  df-covers 28586  df-ats 28587  df-atl 28618  df-cvlat 28642  df-hlat 28671  df-llines 28817  df-psubsp 28822  df-pmap 28823  df-padd 29115  df-lhyp 29307  df-laut 29308  df-ldil 29423  df-ltrn 29424  df-trl 29478
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