Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  dihord6b Structured version   Unicode version

Theorem dihord6b 37109
Description: Part of proof that isomorphism H is order-preserving . (Contributed by NM, 7-Mar-2014.)
Hypotheses
Ref Expression
dihord3.b  |-  B  =  ( Base `  K
)
dihord3.l  |-  .<_  =  ( le `  K )
dihord3.h  |-  H  =  ( LHyp `  K
)
dihord3.i  |-  I  =  ( ( DIsoH `  K
) `  W )
Assertion
Ref Expression
dihord6b  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  /\  X  .<_  Y )  ->  (
I `  X )  C_  ( I `  Y
) )

Proof of Theorem dihord6b
StepHypRef Expression
1 simp2r 1023 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  -.  X  .<_  W )
2 simp3r 1025 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  Y  .<_  W )
3 simp1l 1020 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  K  e.  HL )
4 hllat 35210 . . . . . . 7  |-  ( K  e.  HL  ->  K  e.  Lat )
53, 4syl 16 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  K  e.  Lat )
6 simp2l 1022 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  X  e.  B
)
7 simp3l 1024 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  Y  e.  B
)
8 simp1r 1021 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  W  e.  H
)
9 dihord3.b . . . . . . . 8  |-  B  =  ( Base `  K
)
10 dihord3.h . . . . . . . 8  |-  H  =  ( LHyp `  K
)
119, 10lhpbase 35844 . . . . . . 7  |-  ( W  e.  H  ->  W  e.  B )
128, 11syl 16 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  W  e.  B
)
13 dihord3.l . . . . . . 7  |-  .<_  =  ( le `  K )
149, 13lattr 15813 . . . . . 6  |-  ( ( K  e.  Lat  /\  ( X  e.  B  /\  Y  e.  B  /\  W  e.  B
) )  ->  (
( X  .<_  Y  /\  Y  .<_  W )  ->  X  .<_  W ) )
155, 6, 7, 12, 14syl13anc 1230 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  ( ( X 
.<_  Y  /\  Y  .<_  W )  ->  X  .<_  W ) )
162, 15mpan2d 674 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  ( X  .<_  Y  ->  X  .<_  W ) )
171, 16mtod 177 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  -.  X  .<_  Y )
1817pm2.21d 106 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  ->  ( X  .<_  Y  ->  ( I `  X )  C_  (
I `  Y )
) )
1918imp 429 1  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  e.  B  /\  -.  X  .<_  W )  /\  ( Y  e.  B  /\  Y  .<_  W ) )  /\  X  .<_  Y )  ->  (
I `  X )  C_  ( I `  Y
) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 369    /\ w3a 973    = wceq 1395    e. wcel 1819    C_ wss 3471   class class class wbr 4456   ` cfv 5594   Basecbs 14644   lecple 14719   Latclat 15802   HLchlt 35197   LHypclh 35830   DIsoHcdih 37077
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-sep 4578  ax-nul 4586  ax-pow 4634  ax-pr 4695
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  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-ral 2812  df-rex 2813  df-rab 2816  df-v 3111  df-sbc 3328  df-dif 3474  df-un 3476  df-in 3478  df-ss 3485  df-nul 3794  df-if 3945  df-sn 4033  df-pr 4035  df-op 4039  df-uni 4252  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-iota 5557  df-fun 5596  df-fv 5602  df-ov 6299  df-poset 15702  df-lat 15803  df-atl 35145  df-cvlat 35169  df-hlat 35198  df-lhyp 35834
This theorem is referenced by:  dihord  37113
  Copyright terms: Public domain W3C validator