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Theorem cdleme4 29695
Description: Part of proof of Lemma E in [Crawley] p. 113.  F and  G represent f(s) and fs(r). Here show p  \/ q = r  \/ u at the top of p. 114. (Contributed by NM, 7-Jun-2012.)
Hypotheses
Ref Expression
cdleme4.l  |-  .<_  =  ( le `  K )
cdleme4.j  |-  .\/  =  ( join `  K )
cdleme4.m  |-  ./\  =  ( meet `  K )
cdleme4.a  |-  A  =  ( Atoms `  K )
cdleme4.h  |-  H  =  ( LHyp `  K
)
cdleme4.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
Assertion
Ref Expression
cdleme4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( P  .\/  Q )  =  ( R 
.\/  U ) )

Proof of Theorem cdleme4
StepHypRef Expression
1 cdleme4.u . . 3  |-  U  =  ( ( P  .\/  Q )  ./\  W )
21oveq2i 5831 . 2  |-  ( R 
.\/  U )  =  ( R  .\/  (
( P  .\/  Q
)  ./\  W )
)
3 simp1l 981 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  K  e.  HL )
4 simp23l 1078 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  R  e.  A
)
5 simp21 990 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  P  e.  A
)
6 simp22 991 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  Q  e.  A
)
7 eqid 2285 . . . . . 6  |-  ( Base `  K )  =  (
Base `  K )
8 cdleme4.j . . . . . 6  |-  .\/  =  ( join `  K )
9 cdleme4.a . . . . . 6  |-  A  =  ( Atoms `  K )
107, 8, 9hlatjcl 28824 . . . . 5  |-  ( ( K  e.  HL  /\  P  e.  A  /\  Q  e.  A )  ->  ( P  .\/  Q
)  e.  ( Base `  K ) )
113, 5, 6, 10syl3anc 1184 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( P  .\/  Q )  e.  ( Base `  K ) )
12 simp1r 982 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  W  e.  H
)
13 cdleme4.h . . . . . 6  |-  H  =  ( LHyp `  K
)
147, 13lhpbase 29455 . . . . 5  |-  ( W  e.  H  ->  W  e.  ( Base `  K
) )
1512, 14syl 17 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  W  e.  (
Base `  K )
)
16 simp3 959 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  R  .<_  ( P 
.\/  Q ) )
17 cdleme4.l . . . . 5  |-  .<_  =  ( le `  K )
18 cdleme4.m . . . . 5  |-  ./\  =  ( meet `  K )
197, 17, 8, 18, 9atmod3i1 29321 . . . 4  |-  ( ( K  e.  HL  /\  ( R  e.  A  /\  ( P  .\/  Q
)  e.  ( Base `  K )  /\  W  e.  ( Base `  K
) )  /\  R  .<_  ( P  .\/  Q
) )  ->  ( R  .\/  ( ( P 
.\/  Q )  ./\  W ) )  =  ( ( P  .\/  Q
)  ./\  ( R  .\/  W ) ) )
203, 4, 11, 15, 16, 19syl131anc 1197 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( R  .\/  ( ( P  .\/  Q )  ./\  W )
)  =  ( ( P  .\/  Q ) 
./\  ( R  .\/  W ) ) )
21 simp1 957 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( K  e.  HL  /\  W  e.  H ) )
22 simp23 992 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( R  e.  A  /\  -.  R  .<_  W ) )
23 eqid 2285 . . . . . 6  |-  ( 1.
`  K )  =  ( 1. `  K
)
2417, 8, 23, 9, 13lhpjat2 29478 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  -> 
( R  .\/  W
)  =  ( 1.
`  K ) )
2521, 22, 24syl2anc 644 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( R  .\/  W )  =  ( 1.
`  K ) )
2625oveq2d 5836 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( ( P 
.\/  Q )  ./\  ( R  .\/  W ) )  =  ( ( P  .\/  Q ) 
./\  ( 1. `  K ) ) )
27 hlol 28819 . . . . 5  |-  ( K  e.  HL  ->  K  e.  OL )
283, 27syl 17 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  K  e.  OL )
297, 18, 23olm11 28685 . . . 4  |-  ( ( K  e.  OL  /\  ( P  .\/  Q )  e.  ( Base `  K
) )  ->  (
( P  .\/  Q
)  ./\  ( 1. `  K ) )  =  ( P  .\/  Q
) )
3028, 11, 29syl2anc 644 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( ( P 
.\/  Q )  ./\  ( 1. `  K ) )  =  ( P 
.\/  Q ) )
3120, 26, 303eqtrd 2321 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( R  .\/  ( ( P  .\/  Q )  ./\  W )
)  =  ( P 
.\/  Q ) )
322, 31syl5req 2330 1  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  Q  e.  A  /\  ( R  e.  A  /\  -.  R  .<_  W ) )  /\  R  .<_  ( P 
.\/  Q ) )  ->  ( P  .\/  Q )  =  ( R 
.\/  U ) )
Colors of variables: wff set class
Syntax hints:   -. wn 5    -> wi 6    /\ wa 360    /\ w3a 936    = wceq 1624    e. wcel 1685   class class class wbr 4025   ` cfv 5222  (class class class)co 5820   Basecbs 13143   lecple 13210   joincjn 14073   meetcmee 14074   1.cp1 14139   OLcol 28632   Atomscatm 28721   HLchlt 28808   LHypclh 29441
This theorem is referenced by:  cdleme5  29697  cdleme7aa  29699  cdleme7c  29702  cdleme7e  29704  cdleme20i  29774  cdleme36a  29917  cdleme37m  29919  cdleme39a  29922
This theorem was proved from axioms:  ax-1 7  ax-2 8  ax-3 9  ax-mp 10  ax-gen 1534  ax-5 1545  ax-17 1604  ax-9 1637  ax-8 1645  ax-13 1687  ax-14 1689  ax-6 1704  ax-7 1709  ax-11 1716  ax-12 1868  ax-ext 2266  ax-rep 4133  ax-sep 4143  ax-nul 4151  ax-pow 4188  ax-pr 4214  ax-un 4512
This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3an 938  df-tru 1312  df-ex 1530  df-nf 1533  df-sb 1632  df-eu 2149  df-mo 2150  df-clab 2272  df-cleq 2278  df-clel 2281  df-nfc 2410  df-ne 2450  df-nel 2451  df-ral 2550  df-rex 2551  df-reu 2552  df-rab 2554  df-v 2792  df-sbc 2994  df-csb 3084  df-dif 3157  df-un 3159  df-in 3161  df-ss 3168  df-nul 3458  df-if 3568  df-pw 3629  df-sn 3648  df-pr 3649  df-op 3651  df-uni 3830  df-iun 3909  df-iin 3910  df-br 4026  df-opab 4080  df-mpt 4081  df-id 4309  df-xp 4695  df-rel 4696  df-cnv 4697  df-co 4698  df-dm 4699  df-rn 4700  df-res 4701  df-ima 4702  df-fun 5224  df-fn 5225  df-f 5226  df-f1 5227  df-fo 5228  df-f1o 5229  df-fv 5230  df-ov 5823  df-oprab 5824  df-mpt2 5825  df-1st 6084  df-2nd 6085  df-iota 6253  df-undef 6292  df-riota 6300  df-poset 14075  df-plt 14087  df-lub 14103  df-glb 14104  df-join 14105  df-meet 14106  df-p0 14140  df-p1 14141  df-lat 14147  df-clat 14209  df-oposet 28634  df-ol 28636  df-oml 28637  df-covers 28724  df-ats 28725  df-atl 28756  df-cvlat 28780  df-hlat 28809  df-psubsp 28960  df-pmap 28961  df-padd 29253  df-lhyp 29445
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