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Theorem trlco 30916
Description: The trace of a composition of translations is less than or equal to the join of their traces. Part of proof of Lemma G of [Crawley] p. 116, second paragraph on p. 117. (Contributed by NM, 2-Jun-2013.)
Hypotheses
Ref Expression
trlco.l  |-  .<_  =  ( le `  K )
trlco.j  |-  .\/  =  ( join `  K )
trlco.h  |-  H  =  ( LHyp `  K
)
trlco.t  |-  T  =  ( ( LTrn `  K
) `  W )
trlco.r  |-  R  =  ( ( trL `  K
) `  W )
Assertion
Ref Expression
trlco  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T
)  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) )

Proof of Theorem trlco
Dummy variable  p is distinct from all other variables.
StepHypRef Expression
1 trlco.l . . . 4  |-  .<_  =  ( le `  K )
2 eqid 2283 . . . 4  |-  ( Atoms `  K )  =  (
Atoms `  K )
3 trlco.h . . . 4  |-  H  =  ( LHyp `  K
)
41, 2, 3lhpexnle 30195 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  E. p  e.  (
Atoms `  K )  -.  p  .<_  W )
543ad2ant1 976 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T
)  ->  E. p  e.  ( Atoms `  K )  -.  p  .<_  W )
6 simpl1 958 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  ( K  e.  HL  /\  W  e.  H ) )
7 simpl2 959 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  F  e.  T
)
8 simpl3 960 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  G  e.  T
)
9 simpr 447 . . . . 5  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  ( p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )
10 trlco.j . . . . . 6  |-  .\/  =  ( join `  K )
11 trlco.t . . . . . 6  |-  T  =  ( ( LTrn `  K
) `  W )
12 trlco.r . . . . . 6  |-  R  =  ( ( trL `  K
) `  W )
13 eqid 2283 . . . . . 6  |-  ( meet `  K )  =  (
meet `  K )
141, 10, 3, 11, 12, 13, 2trlcolem 30915 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) )
156, 7, 8, 9, 14syl121anc 1187 . . . 4  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T )  /\  (
p  e.  ( Atoms `  K )  /\  -.  p  .<_  W ) )  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) )
1615exp32 588 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T
)  ->  ( p  e.  ( Atoms `  K )  ->  ( -.  p  .<_  W  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) ) ) )
1716rexlimdv 2666 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T
)  ->  ( E. p  e.  ( Atoms `  K )  -.  p  .<_  W  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) ) )
185, 17mpd 14 1  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T  /\  G  e.  T
)  ->  ( R `  ( F  o.  G
) )  .<_  ( ( R `  F ) 
.\/  ( R `  G ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 358    /\ w3a 934    = wceq 1623    e. wcel 1684   E.wrex 2544   class class class wbr 4023    o. ccom 4693   ` cfv 5255  (class class class)co 5858   lecple 13215   joincjn 14078   meetcmee 14079   Atomscatm 29453   HLchlt 29540   LHypclh 30173   LTrncltrn 30290   trLctrl 30347
This theorem is referenced by:  trlcone  30917  cdlemg46  30924  trljco  30929  tendopltp  30969  dialss  31236  diblss  31360
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1533  ax-5 1544  ax-17 1603  ax-9 1635  ax-8 1643  ax-13 1686  ax-14 1688  ax-6 1703  ax-7 1708  ax-11 1715  ax-12 1866  ax-ext 2264  ax-rep 4131  ax-sep 4141  ax-nul 4149  ax-pow 4188  ax-pr 4214  ax-un 4512
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3or 935  df-3an 936  df-tru 1310  df-ex 1529  df-nf 1532  df-sb 1630  df-eu 2147  df-mo 2148  df-clab 2270  df-cleq 2276  df-clel 2279  df-nfc 2408  df-ne 2448  df-nel 2449  df-ral 2548  df-rex 2549  df-reu 2550  df-rmo 2551  df-rab 2552  df-v 2790  df-sbc 2992  df-csb 3082  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-nul 3456  df-if 3566  df-pw 3627  df-sn 3646  df-pr 3647  df-op 3649  df-uni 3828  df-iun 3907  df-iin 3908  df-br 4024  df-opab 4078  df-mpt 4079  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-iota 5219  df-fun 5257  df-fn 5258  df-f 5259  df-f1 5260  df-fo 5261  df-f1o 5262  df-fv 5263  df-ov 5861  df-oprab 5862  df-mpt2 5863  df-1st 6122  df-2nd 6123  df-undef 6298  df-riota 6304  df-map 6774  df-poset 14080  df-plt 14092  df-lub 14108  df-glb 14109  df-join 14110  df-meet 14111  df-p0 14145  df-p1 14146  df-lat 14152  df-clat 14214  df-oposet 29366  df-ol 29368  df-oml 29369  df-covers 29456  df-ats 29457  df-atl 29488  df-cvlat 29512  df-hlat 29541  df-llines 29687  df-lplanes 29688  df-lvols 29689  df-lines 29690  df-psubsp 29692  df-pmap 29693  df-padd 29985  df-lhyp 30177  df-laut 30178  df-ldil 30293  df-ltrn 30294  df-trl 30348
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