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Theorem cdleme42ke 36354
Description: Part of proof of Lemma E in [Crawley] p. 113. Remove R =/= S condition. TODO: FIX COMMENT (Contributed by NM, 2-Apr-2013.)
Hypotheses
Ref Expression
cdleme41.b |- B = ( Base ` K )
cdleme41.l |- .<_ = ( le ` K )
cdleme41.j |- .\/ = ( join ` K )
cdleme41.m |- ./\ = ( meet ` K )
cdleme41.a |- A = ( Atoms ` K )
cdleme41.h |- H = ( LHyp ` K )
cdleme41.u |- U = ( ( P .\/ Q ) ./\ W )
cdleme41.d |- D = ( ( s .\/ U ) ./\ ( Q .\/ ( ( P .\/ s ) ./\ W ) ) )
cdleme41.e |- E = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) )
cdleme41.g |- G = ( ( P .\/ Q ) ./\ ( E .\/ ( ( s .\/ t ) ./\ W ) ) )
cdleme41.i |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = G ) )
cdleme41.n |- N = if ( s .<_ ( P .\/ Q ) , I , D )
cdleme41.o |- O = ( iota_ z e. B A. s e. A ( ( -. s .<_ W /\ ( s .\/ ( x ./\ W ) ) = x ) -> z = ( N .\/ ( x ./\ W ) ) ) )
cdleme41.f |- F = ( x e. B |-> if ( ( P =/= Q /\ -. x .<_ W ) , O , x ) )
cdleme34e.v |- V = ( ( R .\/ S ) ./\ W )
Assertion
Ref Expression
cdleme42ke |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) .\/ ( F ` S ) ) = ( ( F ` R ) .\/ V ) )
Distinct variable groups:   A, s   .\/ , s   .<_ , s   ./\ , s   P, s   Q, s   R, s   S, s   U, s   W, s   y, t, A, s   B, s, t, y   y, D   y, G   E, s, y   H, s, t, y   t, .\/ , y   K, s, t, y   t, .<_ , y   t, ./\ , y   t, P, y   t, Q, y   t, R, y   t, S, y   t, U, y   t, W, y   x, z, A   x, B, z   z, E, s   z, H   x, .\/ , z   z, K   x, .<_ , z   x, ./\ , z   x, N, z   x, P, z   x, Q, z   x, R, z   x, S, z   x, U, z   x, W, z, s, t, y   V, s, t, x, z
Allowed substitution hints:   D( x, z, t, s)   E( x, t)   F( x, y, z, t, s)   G( x, z, t, s)   H( x)   I( x, y, z, t, s)   K( x)   N( y, t, s)   O( x, y, z, t, s)   V( y)
Proof of Theorem cdleme42ke
StepHypRef Expression
1 simpl1l 1047 . . . . 5 |- ( ( ( ( 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 ) ) ) -> K e. HL )
2 simpr2 1003 . . . . . . 7 |- ( ( ( ( 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 e. A /\ -. R .<_ W ) )
3 cdleme41.b . . . . . . . 8 |- B = ( Base ` K )
4 cdleme41.l . . . . . . . 8 |- .<_ = ( le ` K )
5 cdleme41.j . . . . . . . 8 |- .\/ = ( join ` K )
6 cdleme41.m . . . . . . . 8 |- ./\ = ( meet ` K )
7 cdleme41.a . . . . . . . 8 |- A = ( Atoms ` K )
8 cdleme41.h . . . . . . . 8 |- H = ( LHyp ` K )
9 cdleme41.u . . . . . . . 8 |- U = ( ( P .\/ Q ) ./\ W )
10 cdleme41.d . . . . . . . 8 |- D = ( ( s .\/ U ) ./\ ( Q .\/ ( ( P .\/ s ) ./\ W ) ) )
11 cdleme41.e . . . . . . . 8 |- E = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) )
12 cdleme41.g . . . . . . . 8 |- G = ( ( P .\/ Q ) ./\ ( E .\/ ( ( s .\/ t ) ./\ W ) ) )
13 cdleme41.i . . . . . . . 8 |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = G ) )
14 cdleme41.n . . . . . . . 8 |- N = if ( s .<_ ( P .\/ Q ) , I , D )
15 cdleme41.o . . . . . . . 8 |- O = ( iota_ z e. B A. s e. A ( ( -. s .<_ W /\ ( s .\/ ( x ./\ W ) ) = x ) -> z = ( N .\/ ( x ./\ W ) ) ) )
16 cdleme41.f . . . . . . . 8 |- F = ( x e. B |-> if ( ( P =/= Q /\ -. x .<_ W ) , O , x ) )
173, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16cdleme32fvaw 36308 . . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( R e. A /\ -. R .<_ W ) ) -> ( ( F ` R ) e. A /\ -. ( F ` R ) .<_ W ) )
182, 17syldan 470 . . . . . 6 |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) e. A /\ -. ( F ` R ) .<_ W ) )
1918simpld 459 . . . . 5 |- ( ( ( ( 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 ) ) ) -> ( F ` R ) e. A )
205, 7hlatjidm 35236 . . . . 5 |- ( ( K e. HL /\ ( F ` R ) e. A ) -> ( ( F ` R ) .\/ ( F ` R ) ) = ( F ` R ) )
211, 19, 20syl2anc 661 . . . 4 |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) .\/ ( F ` R ) ) = ( F ` R ) )
22 fveq2 5872 . . . . 5 |- ( R = S -> ( F ` R ) = ( F ` S ) )
2322oveq2d 6312 . . . 4 |- ( R = S -> ( ( F ` R ) .\/ ( F ` R ) ) = ( ( F ` R ) .\/ ( F ` S ) ) )
2421, 23sylan9req 2519 . . 3 |- ( ( ( ( ( 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 = S ) -> ( F ` R ) = ( ( F ` R ) .\/ ( F ` S ) ) )
25 simpr2l 1055 . . . . . . . . 9 |- ( ( ( ( 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 e. A )
265, 7hlatjidm 35236 . . . . . . . . 9 |- ( ( K e. HL /\ R e. A ) -> ( R .\/ R ) = R )
271, 25, 26syl2anc 661 . . . . . . . 8 |- ( ( ( ( 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 .\/ R ) = R )
2827oveq1d 6311 . . . . . . 7 |- ( ( ( ( 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 .\/ R ) ./\ W ) = ( R ./\ W ) )
29 simpl1 999 . . . . . . . 8 |- ( ( ( ( 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 ) ) ) -> ( K e. HL /\ W e. H ) )
30 eqid 2457 . . . . . . . . 9 |- ( 0. ` K ) = ( 0. ` K )
314, 6, 30, 7, 8lhpmat 35897 . . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ ( R e. A /\ -. R .<_ W ) ) -> ( R ./\ W ) = ( 0. ` K ) )
3229, 2, 31syl2anc 661 . . . . . . 7 |- ( ( ( ( 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 ./\ W ) = ( 0. ` K ) )
3328, 32eqtrd 2498 . . . . . 6 |- ( ( ( ( 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 .\/ R ) ./\ W ) = ( 0. ` K ) )
3433oveq2d 6312 . . . . 5 |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) .\/ ( ( R .\/ R ) ./\ W ) ) = ( ( F ` R ) .\/ ( 0. ` K ) ) )
35 hlol 35229 . . . . . . 7 |- ( K e. HL -> K e. OL )
361, 35syl 16 . . . . . 6 |- ( ( ( ( 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 ) ) ) -> K e. OL )
373, 7atbase 35157 . . . . . . 7 |- ( ( F ` R ) e. A -> ( F ` R ) e. B )
3819, 37syl 16 . . . . . 6 |- ( ( ( ( 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 ) ) ) -> ( F ` R ) e. B )
393, 5, 30olj01 35093 . . . . . 6 |- ( ( K e. OL /\ ( F ` R ) e. B ) -> ( ( F ` R ) .\/ ( 0. ` K ) ) = ( F ` R ) )
4036, 38, 39syl2anc 661 . . . . 5 |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) .\/ ( 0. ` K ) ) = ( F ` R ) )
4134, 40eqtrd 2498 . . . 4 |- ( ( ( ( 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 ) ) ) -> ( ( F ` R ) .\/ ( ( R .\/ R ) ./\ W ) ) = ( F ` R ) )
42 oveq2 6304 . . . . . . 7 |- ( R = S -> ( R .\/ R ) = ( R .\/ S ) )
4342oveq1d 6311 . . . . . 6 |- ( R = S -> ( ( R .\/ R ) ./\ W ) = ( ( R .\/ S ) ./\ W ) )
44 cdleme34e.v . . . . . 6 |- V = ( ( R .\/ S ) ./\ W )
4543, 44syl6eqr 2516 . . . . 5 |- ( R = S -> ( ( R .\/ R ) ./\ W ) = V )
4645oveq2d 6312 . . . 4 |- ( R = S -> ( ( F ` R ) .\/ ( ( R .\/ R ) ./\ W ) ) = ( ( F ` R ) .\/ V ) )
4741, 46sylan9req 2519 . . 3 |- ( ( ( ( ( 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 = S ) -> ( F ` R ) = ( ( F ` R ) .\/ V ) )
4824, 47eqtr3d 2500 . 2 |- ( ( ( ( ( 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 = S ) -> ( ( F ` R ) .\/ ( F ` S ) ) = ( ( F ` R ) .\/ V ) )
493, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 44cdleme42k 36353 . . 3 |- ( ( ( ( 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 =/= S ) -> ( ( F ` R ) .\/ ( F ` S ) ) = ( ( F ` R ) .\/ V ) )
50493expa 1196 . 2 |- ( ( ( ( ( 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 =/= S ) -> ( ( F ` R ) .\/ ( F ` S ) ) = ( ( F ` R ) .\/ V ) )
5148, 50pm2.61dane 2775 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 ) ) ) -> ( ( F ` R ) .\/ ( F ` S ) ) = ( ( F ` R ) .\/ V ) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3   -> wi 4   /\ wa 369   /\ w3a 973   = wceq 1395   e. wcel 1819   =/= wne 2652   A.wral 2807   ifcif 3944   class class class wbr 4456   |-> cmpt 4515   ` cfv 5594   iota_crio 6257  (class class class)co 6296   Basecbs 14644   lecple 14719   joincjn 15700   meetcmee 15701   0.cp0 15794   OLcol 35042   Atomscatm 35131   HLchlt 35218   LHypclh 35851
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1619  ax-4 1632  ax-5 1705  ax-6 1748  ax-7 1791  ax-8 1821  ax-9 1823  ax-10 1838  ax-11 1843  ax-12 1855  ax-13 2000  ax-ext 2435  ax-rep 4568  ax-sep 4578  ax-nul 4586  ax-pow 4634  ax-pr 4695  ax-un 6591  ax-riotaBAD 34827
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1398  df-ex 1614  df-nf 1618  df-sb 1741  df-eu 2287  df-mo 2288  df-clab 2443  df-cleq 2449  df-clel 2452  df-nfc 2607  df-ne 2654  df-nel 2655  df-ral 2812  df-rex 2813  df-reu 2814  df-rmo 2815  df-rab 2816  df-v 3111  df-sbc 3328  df-csb 3431  df-dif 3474  df-un 3476  df-in 3478  df-ss 3485  df-nul 3794  df-if 3945  df-pw 4017  df-sn 4033  df-pr 4035  df-op 4039  df-uni 4252  df-iun 4334  df-iin 4335  df-br 4457  df-opab 4516  df-mpt 4517  df-id 4804  df-xp 5014  df-rel 5015  df-cnv 5016  df-co 5017  df-dm 5018  df-rn 5019  df-res 5020  df-ima 5021  df-iota 5557  df-fun 5596  df-fn 5597  df-f 5598  df-f1 5599  df-fo 5600  df-f1o 5601  df-fv 5602  df-riota 6258  df-ov 6299  df-oprab 6300  df-mpt2 6301  df-1st 6799  df-2nd 6800  df-undef 7020  df-preset 15684  df-poset 15702  df-plt 15715  df-lub 15731  df-glb 15732  df-join 15733  df-meet 15734  df-p0 15796  df-p1 15797  df-lat 15803  df-clat 15865  df-oposet 35044  df-ol 35046  df-oml 35047  df-covers 35134  df-ats 35135  df-atl 35166  df-cvlat 35190  df-hlat 35219  df-llines 35365  df-lplanes 35366  df-lvols 35367  df-lines 35368  df-psubsp 35370  df-pmap 35371  df-padd 35663  df-lhyp 35855
This theorem is referenced by:  cdleme42keg  36355  cdleme42mN  36356  cdlemeg46fjv  36392
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