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Theorem leisorel 10750
Description: Version of isorel 5776 for strictly increasing functions on the reals. (Contributed by Mario Carneiro, 6-Apr-2015.) (Revised by Mario Carneiro, 9-Sep-2015.)
Assertion
Ref Expression
leisorel  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( C  <_  D  <->  ( F `  C )  <_  ( F `  D )
) )

Proof of Theorem leisorel
StepHypRef Expression
1 simp1 987 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  F  Isom  <  ,  <  ( A ,  B )
)
2 simp3r 1016 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  D  e.  A )
3 simp3l 1015 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  C  e.  A )
4 isorel 5776 . . . 4  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( D  e.  A  /\  C  e.  A ) )  -> 
( D  <  C  <->  ( F `  D )  <  ( F `  C ) ) )
54notbid 657 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( D  e.  A  /\  C  e.  A ) )  -> 
( -.  D  < 
C  <->  -.  ( F `  D )  <  ( F `  C )
) )
61, 2, 3, 5syl12anc 1226 . 2  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( -.  D  <  C  <->  -.  ( F `  D )  <  ( F `  C
) ) )
7 simp2l 1013 . . . 4  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  A  C_ 
RR* )
87, 3sseldd 3143 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  C  e.  RR* )
97, 2sseldd 3143 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  D  e.  RR* )
10 xrlenlt 7963 . . 3  |-  ( ( C  e.  RR*  /\  D  e.  RR* )  ->  ( C  <_  D  <->  -.  D  <  C ) )
118, 9, 10syl2anc 409 . 2  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( C  <_  D  <->  -.  D  <  C ) )
12 simp2r 1014 . . . 4  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  B  C_ 
RR* )
13 isof1o 5775 . . . . . 6  |-  ( F 
Isom  <  ,  <  ( A ,  B )  ->  F : A -1-1-onto-> B )
14 f1of 5432 . . . . . 6  |-  ( F : A -1-1-onto-> B  ->  F : A
--> B )
151, 13, 143syl 17 . . . . 5  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  F : A --> B )
1615, 3ffvelrnd 5621 . . . 4  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( F `  C )  e.  B )
1712, 16sseldd 3143 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( F `  C )  e.  RR* )
1815, 2ffvelrnd 5621 . . . 4  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( F `  D )  e.  B )
1912, 18sseldd 3143 . . 3  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( F `  D )  e.  RR* )
20 xrlenlt 7963 . . 3  |-  ( ( ( F `  C
)  e.  RR*  /\  ( F `  D )  e.  RR* )  ->  (
( F `  C
)  <_  ( F `  D )  <->  -.  ( F `  D )  <  ( F `  C
) ) )
2117, 19, 20syl2anc 409 . 2  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  (
( F `  C
)  <_  ( F `  D )  <->  -.  ( F `  D )  <  ( F `  C
) ) )
226, 11, 213bitr4d 219 1  |-  ( ( F  Isom  <  ,  <  ( A ,  B )  /\  ( A  C_  RR* 
/\  B  C_  RR* )  /\  ( C  e.  A  /\  D  e.  A
) )  ->  ( C  <_  D  <->  ( F `  C )  <_  ( F `  D )
) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 103    <-> wb 104    /\ w3a 968    e. wcel 2136    C_ wss 3116   class class class wbr 3982   -->wf 5184   -1-1-onto->wf1o 5187   ` cfv 5188    Isom wiso 5189   RR*cxr 7932    < clt 7933    <_ cle 7934
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-14 2139  ax-ext 2147  ax-sep 4100  ax-pow 4153  ax-pr 4187
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ral 2449  df-rex 2450  df-v 2728  df-sbc 2952  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-br 3983  df-opab 4044  df-id 4271  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-f1o 5195  df-fv 5196  df-isom 5197  df-le 7939
This theorem is referenced by:  seq3coll  10755  summodclem2a  11322  prodmodclem2a  11517
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