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Theorem cdleme43fsv1sn 31145
Description: Value of  [_ R  /  s ]_ N when  R 
.<_  ( P  .\/  Q
). (Contributed by NM, 30-Mar-2013.)
Hypotheses
Ref Expression
cdlemefs32.b  |-  B  =  ( Base `  K
)
cdlemefs32.l  |-  .<_  =  ( le `  K )
cdlemefs32.j  |-  .\/  =  ( join `  K )
cdlemefs32.m  |-  ./\  =  ( meet `  K )
cdlemefs32.a  |-  A  =  ( Atoms `  K )
cdlemefs32.h  |-  H  =  ( LHyp `  K
)
cdlemefs32.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
cdlemefs32.d  |-  D  =  ( ( t  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  t )  ./\  W
) ) )
cdlemefs32.e  |-  E  =  ( ( P  .\/  Q )  ./\  ( D  .\/  ( ( s  .\/  t )  ./\  W
) ) )
cdlemefs32.i  |-  I  =  ( iota_ y  e.  B A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P  .\/  Q
) )  ->  y  =  E ) )
cdlemefs32.n  |-  N  =  if ( s  .<_  ( P  .\/  Q ) ,  I ,  C
)
cdleme43fs.y  |-  Y  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
cdleme43fs.z  |-  Z  =  ( ( P  .\/  Q )  ./\  ( Y  .\/  ( ( R  .\/  S )  ./\  W )
) )
Assertion
Ref Expression
cdleme43fsv1sn  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( P  =/=  Q  /\  ( R  e.  A  /\  -.  R  .<_  W )  /\  ( S  e.  A  /\  -.  S  .<_  W ) )  /\  ( R  .<_  ( P 
.\/  Q )  /\  -.  S  .<_  ( P 
.\/  Q ) ) )  ->  [_ R  / 
s ]_ N  =  Z )
Distinct variable groups:    t, s,
y, A    B, s,
t, y    y, D    y, E    H, s, t, y    .\/ , s, t, y    K, s, t, y    .<_ , s, t, y    ./\ , s, t, y    P, s, t, y    Q, s, t, y    R, s, t, y    t, U, y    W, s, t, y   
y, Y    D, s    t, S, y    t, Z
Allowed substitution hints:    C( y, t, s)    D( t)    S( s)    U( s)    E( t, s)    I( y, t, s)    N( y, t, s)    Y( t, s)    Z( y, s)

Proof of Theorem cdleme43fsv1sn
StepHypRef Expression
1 cdlemefs32.b . 2  |-  B  =  ( Base `  K
)
2 cdlemefs32.l . 2  |-  .<_  =  ( le `  K )
3 cdlemefs32.j . 2  |-  .\/  =  ( join `  K )
4 cdlemefs32.m . 2  |-  ./\  =  ( meet `  K )
5 cdlemefs32.a . 2  |-  A  =  ( Atoms `  K )
6 cdlemefs32.h . 2  |-  H  =  ( LHyp `  K
)
7 cdlemefs32.u . 2  |-  U  =  ( ( P  .\/  Q )  ./\  W )
8 cdlemefs32.d . 2  |-  D  =  ( ( t  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  t )  ./\  W
) ) )
9 cdlemefs32.e . 2  |-  E  =  ( ( P  .\/  Q )  ./\  ( D  .\/  ( ( s  .\/  t )  ./\  W
) ) )
10 cdlemefs32.i . 2  |-  I  =  ( iota_ y  e.  B A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P  .\/  Q
) )  ->  y  =  E ) )
11 cdlemefs32.n . 2  |-  N  =  if ( s  .<_  ( P  .\/  Q ) ,  I ,  C
)
12 cdleme43fs.y . 2  |-  Y  =  ( ( S  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  S )  ./\  W )
) )
13 cdleme43fs.z . 2  |-  Z  =  ( ( P  .\/  Q )  ./\  ( Y  .\/  ( ( R  .\/  S )  ./\  W )
) )
14 eqid 2435 . 2  |-  ( ( P  .\/  Q ) 
./\  ( D  .\/  ( ( R  .\/  t )  ./\  W
) ) )  =  ( ( P  .\/  Q )  ./\  ( D  .\/  ( ( R  .\/  t )  ./\  W
) ) )
15 eqid 2435 . 2  |-  ( iota_ y  e.  B A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P 
.\/  Q ) )  ->  y  =  ( ( P  .\/  Q
)  ./\  ( D  .\/  ( ( R  .\/  t )  ./\  W
) ) ) ) )  =  ( iota_ y  e.  B A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P 
.\/  Q ) )  ->  y  =  ( ( P  .\/  Q
)  ./\  ( D  .\/  ( ( R  .\/  t )  ./\  W
) ) ) ) )
161, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15cdleme43fsv1snlem 31144 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( P  =/=  Q  /\  ( R  e.  A  /\  -.  R  .<_  W )  /\  ( S  e.  A  /\  -.  S  .<_  W ) )  /\  ( R  .<_  ( P 
.\/  Q )  /\  -.  S  .<_  ( P 
.\/  Q ) ) )  ->  [_ R  / 
s ]_ N  =  Z )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 359    /\ w3a 936    = wceq 1652    e. wcel 1725    =/= wne 2598   A.wral 2697   [_csb 3243   ifcif 3731   class class class wbr 4204   ` cfv 5446  (class class class)co 6073   iota_crio 6534   Basecbs 13461   lecple 13528   joincjn 14393   meetcmee 14394   Atomscatm 29988   HLchlt 30075   LHypclh 30708
This theorem is referenced by:  cdlemefs31fv1  31148
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2416  ax-rep 4312  ax-sep 4322  ax-nul 4330  ax-pow 4369  ax-pr 4395  ax-un 4693
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2284  df-mo 2285  df-clab 2422  df-cleq 2428  df-clel 2431  df-nfc 2560  df-ne 2600  df-nel 2601  df-ral 2702  df-rex 2703  df-reu 2704  df-rmo 2705  df-rab 2706  df-v 2950  df-sbc 3154  df-csb 3244  df-dif 3315  df-un 3317  df-in 3319  df-ss 3326  df-nul 3621  df-if 3732  df-pw 3793  df-sn 3812  df-pr 3813  df-op 3815  df-uni 4008  df-iun 4087  df-iin 4088  df-br 4205  df-opab 4259  df-mpt 4260  df-id 4490  df-xp 4876  df-rel 4877  df-cnv 4878  df-co 4879  df-dm 4880  df-rn 4881  df-res 4882  df-ima 4883  df-iota 5410  df-fun 5448  df-fn 5449  df-f 5450  df-f1 5451  df-fo 5452  df-f1o 5453  df-fv 5454  df-ov 6076  df-oprab 6077  df-mpt2 6078  df-1st 6341  df-2nd 6342  df-undef 6535  df-riota 6541  df-poset 14395  df-plt 14407  df-lub 14423  df-glb 14424  df-join 14425  df-meet 14426  df-p0 14460  df-p1 14461  df-lat 14467  df-clat 14529  df-oposet 29901  df-ol 29903  df-oml 29904  df-covers 29991  df-ats 29992  df-atl 30023  df-cvlat 30047  df-hlat 30076  df-llines 30222  df-lplanes 30223  df-lvols 30224  df-lines 30225  df-psubsp 30227  df-pmap 30228  df-padd 30520  df-lhyp 30712
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