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Theorem cdleme32d 35117
Description: Part of proof of Lemma D in [Crawley] p. 113. (Contributed by NM, 20-Feb-2013.)
Hypotheses
Ref Expression
cdleme32.b  |-  B  =  ( Base `  K
)
cdleme32.l  |-  .<_  =  ( le `  K )
cdleme32.j  |-  .\/  =  ( join `  K )
cdleme32.m  |-  ./\  =  ( meet `  K )
cdleme32.a  |-  A  =  ( Atoms `  K )
cdleme32.h  |-  H  =  ( LHyp `  K
)
cdleme32.u  |-  U  =  ( ( P  .\/  Q )  ./\  W )
cdleme32.c  |-  C  =  ( ( s  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  s )  ./\  W
) ) )
cdleme32.d  |-  D  =  ( ( t  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  t )  ./\  W
) ) )
cdleme32.e  |-  E  =  ( ( P  .\/  Q )  ./\  ( D  .\/  ( ( s  .\/  t )  ./\  W
) ) )
cdleme32.i  |-  I  =  ( iota_ y  e.  B  A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P  .\/  Q
) )  ->  y  =  E ) )
cdleme32.n  |-  N  =  if ( s  .<_  ( P  .\/  Q ) ,  I ,  C
)
cdleme32.o  |-  O  =  ( iota_ z  e.  B  A. s  e.  A  ( ( -.  s  .<_  W  /\  ( s 
.\/  ( x  ./\  W ) )  =  x )  ->  z  =  ( N  .\/  ( x 
./\  W ) ) ) )
cdleme32.f  |-  F  =  ( x  e.  B  |->  if ( ( P  =/=  Q  /\  -.  x  .<_  W ) ,  O ,  x ) )
Assertion
Ref Expression
cdleme32d  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  ( F `  X )  .<_  ( F `
 Y ) )
Distinct variable groups:    t, s, x, y, z, A    B, s, t, x, y, z   
y, C    D, s,
y, z    y, E    H, s, t    .\/ , s,
t, x, y, z    K, s, t    .<_ , s, t, x, y, z    ./\ , s,
t, x, y, z   
x, N, z    P, s, t, x, y, z    Q, s, t, x, y, z    U, s, t, x, y, z    W, s, t, x, y, z    X, s, t, x, z   
y, H    y, K    y, Y    z, H    z, K    Y, s, t, x, z
Allowed substitution hints:    C( x, z, t, s)    D( x, t)    E( x, z, t, s)    F( x, y, z, t, s)    H( x)    I( x, y, z, t, s)    K( x)    N( y,
t, s)    O( x, y, z, t, s)    X( y)

Proof of Theorem cdleme32d
StepHypRef Expression
1 simp11 1021 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  ( K  e.  HL  /\  W  e.  H ) )
2 simp21 1024 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  X  e.  B )
3 simp23r 1113 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  -.  X  .<_  W )
4 cdleme32.b . . . 4  |-  B  =  ( Base `  K
)
5 cdleme32.l . . . 4  |-  .<_  =  ( le `  K )
6 cdleme32.j . . . 4  |-  .\/  =  ( join `  K )
7 cdleme32.m . . . 4  |-  ./\  =  ( meet `  K )
8 cdleme32.a . . . 4  |-  A  =  ( Atoms `  K )
9 cdleme32.h . . . 4  |-  H  =  ( LHyp `  K
)
104, 5, 6, 7, 8, 9lhpmcvr2 34697 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W ) )  ->  E. s  e.  A  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) )
111, 2, 3, 10syl12anc 1221 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  E. s  e.  A  ( -.  s  .<_  W  /\  (
s  .\/  ( X  ./\ 
W ) )  =  X ) )
12 nfv 1678 . . 3  |-  F/ s ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )
13 cdleme32.f . . . . . 6  |-  F  =  ( x  e.  B  |->  if ( ( P  =/=  Q  /\  -.  x  .<_  W ) ,  O ,  x ) )
14 nfcv 2624 . . . . . . 7  |-  F/_ s B
15 nfv 1678 . . . . . . . 8  |-  F/ s ( P  =/=  Q  /\  -.  x  .<_  W )
16 cdleme32.o . . . . . . . . 9  |-  O  =  ( iota_ z  e.  B  A. s  e.  A  ( ( -.  s  .<_  W  /\  ( s 
.\/  ( x  ./\  W ) )  =  x )  ->  z  =  ( N  .\/  ( x 
./\  W ) ) ) )
17 nfra1 2840 . . . . . . . . . 10  |-  F/ s A. s  e.  A  ( ( -.  s  .<_  W  /\  ( s 
.\/  ( x  ./\  W ) )  =  x )  ->  z  =  ( N  .\/  ( x 
./\  W ) ) )
1817, 14nfriota 6247 . . . . . . . . 9  |-  F/_ s
( iota_ z  e.  B  A. s  e.  A  ( ( -.  s  .<_  W  /\  ( s 
.\/  ( x  ./\  W ) )  =  x )  ->  z  =  ( N  .\/  ( x 
./\  W ) ) ) )
1916, 18nfcxfr 2622 . . . . . . . 8  |-  F/_ s O
20 nfcv 2624 . . . . . . . 8  |-  F/_ s
x
2115, 19, 20nfif 3963 . . . . . . 7  |-  F/_ s if ( ( P  =/= 
Q  /\  -.  x  .<_  W ) ,  O ,  x )
2214, 21nfmpt 4530 . . . . . 6  |-  F/_ s
( x  e.  B  |->  if ( ( P  =/=  Q  /\  -.  x  .<_  W ) ,  O ,  x ) )
2313, 22nfcxfr 2622 . . . . 5  |-  F/_ s F
24 nfcv 2624 . . . . 5  |-  F/_ s X
2523, 24nffv 5866 . . . 4  |-  F/_ s
( F `  X
)
26 nfcv 2624 . . . 4  |-  F/_ s  .<_
27 nfcv 2624 . . . . 5  |-  F/_ s Y
2823, 27nffv 5866 . . . 4  |-  F/_ s
( F `  Y
)
2925, 26, 28nfbr 4486 . . 3  |-  F/ s ( F `  X
)  .<_  ( F `  Y )
30 simpl1 994 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) ) )
31 simpl2 995 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) ) )
32 simprl 755 . . . . . 6  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  s  e.  A )
33 simprrl 763 . . . . . 6  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  -.  s  .<_  W )
3432, 33jca 532 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  ( s  e.  A  /\  -.  s  .<_  W ) )
35 simprrr 764 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  ( s  .\/  ( X  ./\  W
) )  =  X )
36 simpl3 996 . . . . 5  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  X  .<_  Y )
37 cdleme32.u . . . . . 6  |-  U  =  ( ( P  .\/  Q )  ./\  W )
38 cdleme32.c . . . . . 6  |-  C  =  ( ( s  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  s )  ./\  W
) ) )
39 cdleme32.d . . . . . 6  |-  D  =  ( ( t  .\/  U )  ./\  ( Q  .\/  ( ( P  .\/  t )  ./\  W
) ) )
40 cdleme32.e . . . . . 6  |-  E  =  ( ( P  .\/  Q )  ./\  ( D  .\/  ( ( s  .\/  t )  ./\  W
) ) )
41 cdleme32.i . . . . . 6  |-  I  =  ( iota_ y  e.  B  A. t  e.  A  ( ( -.  t  .<_  W  /\  -.  t  .<_  ( P  .\/  Q
) )  ->  y  =  E ) )
42 cdleme32.n . . . . . 6  |-  N  =  if ( s  .<_  ( P  .\/  Q ) ,  I ,  C
)
434, 5, 6, 7, 8, 9, 37, 38, 39, 40, 41, 42, 16, 13cdleme32c 35116 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  ( ( s  e.  A  /\  -.  s  .<_  W )  /\  ( s  .\/  ( X  ./\  W ) )  =  X  /\  X  .<_  Y ) )  ->  ( F `  X )  .<_  ( F `
 Y ) )
4430, 31, 34, 35, 36, 43syl113anc 1235 . . . 4  |-  ( ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  /\  ( s  e.  A  /\  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X ) ) )  ->  ( F `  X )  .<_  ( F `
 Y ) )
4544exp32 605 . . 3  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  ( s  e.  A  ->  ( ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X )  -> 
( F `  X
)  .<_  ( F `  Y ) ) ) )
4612, 29, 45rexlimd 2942 . 2  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  ( E. s  e.  A  ( -.  s  .<_  W  /\  ( s  .\/  ( X  ./\  W ) )  =  X )  -> 
( F `  X
)  .<_  ( F `  Y ) ) )
4711, 46mpd 15 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  /\  ( X  e.  B  /\  Y  e.  B  /\  ( P  =/=  Q  /\  -.  X  .<_  W ) )  /\  X  .<_  Y )  ->  ( F `  X )  .<_  ( F `
 Y ) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 369    /\ w3a 968    = wceq 1374    e. wcel 1762    =/= wne 2657   A.wral 2809   E.wrex 2810   ifcif 3934   class class class wbr 4442    |-> cmpt 4500   ` cfv 5581   iota_crio 6237  (class class class)co 6277   Basecbs 14481   lecple 14553   joincjn 15422   meetcmee 15423   Atomscatm 33937   HLchlt 34024   LHypclh 34657
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1596  ax-4 1607  ax-5 1675  ax-6 1714  ax-7 1734  ax-8 1764  ax-9 1766  ax-10 1781  ax-11 1786  ax-12 1798  ax-13 1963  ax-ext 2440  ax-rep 4553  ax-sep 4563  ax-nul 4571  ax-pow 4620  ax-pr 4681  ax-un 6569  ax-riotaBAD 33633
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 969  df-3an 970  df-tru 1377  df-ex 1592  df-nf 1595  df-sb 1707  df-eu 2274  df-mo 2275  df-clab 2448  df-cleq 2454  df-clel 2457  df-nfc 2612  df-ne 2659  df-nel 2660  df-ral 2814  df-rex 2815  df-reu 2816  df-rmo 2817  df-rab 2818  df-v 3110  df-sbc 3327  df-csb 3431  df-dif 3474  df-un 3476  df-in 3478  df-ss 3485  df-nul 3781  df-if 3935  df-pw 4007  df-sn 4023  df-pr 4025  df-op 4029  df-uni 4241  df-iun 4322  df-iin 4323  df-br 4443  df-opab 4501  df-mpt 4502  df-id 4790  df-xp 5000  df-rel 5001  df-cnv 5002  df-co 5003  df-dm 5004  df-rn 5005  df-res 5006  df-ima 5007  df-iota 5544  df-fun 5583  df-fn 5584  df-f 5585  df-f1 5586  df-fo 5587  df-f1o 5588  df-fv 5589  df-riota 6238  df-ov 6280  df-oprab 6281  df-mpt2 6282  df-1st 6776  df-2nd 6777  df-undef 6994  df-poset 15424  df-plt 15436  df-lub 15452  df-glb 15453  df-join 15454  df-meet 15455  df-p0 15517  df-p1 15518  df-lat 15524  df-clat 15586  df-oposet 33850  df-ol 33852  df-oml 33853  df-covers 33940  df-ats 33941  df-atl 33972  df-cvlat 33996  df-hlat 34025  df-llines 34171  df-lplanes 34172  df-lvols 34173  df-lines 34174  df-psubsp 34176  df-pmap 34177  df-padd 34469  df-lhyp 34661
This theorem is referenced by:  cdleme32le  35120
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