ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  archrecpr Unicode version

Theorem archrecpr 8024
Description: Archimedean principle for positive reals (reciprocal version). (Contributed by Jim Kingdon, 25-Nov-2020.)
Assertion
Ref Expression
archrecpr  |-  ( A  e.  P.  ->  E. j  e.  N.  <. { l  |  l  <Q  ( *Q `  [ <. j ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  u } >.  <P  A )
Distinct variable groups:    A, j    j,
l, u
Allowed substitution hints:    A( u, l)

Proof of Theorem archrecpr
Dummy variable  x is distinct from all other variables.
StepHypRef Expression
1 prop 7835 . . . 4  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
2 prml 7837 . . . 4  |-  ( <.
( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  ->  E. x  e.  Q.  x  e.  ( 1st `  A ) )
31, 2syl 14 . . 3  |-  ( A  e.  P.  ->  E. x  e.  Q.  x  e.  ( 1st `  A ) )
4 archrecnq 8023 . . . . 5  |-  ( x  e.  Q.  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x )
54ad2antrl 494 . . . 4  |-  ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x )
61ad2antrr 492 . . . . . 6  |-  ( ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  /\  j  e.  N. )  ->  <. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P. )
7 simplrr 542 . . . . . 6  |-  ( ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  /\  j  e.  N. )  ->  x  e.  ( 1st `  A ) )
8 prcdnql 7844 . . . . . 6  |-  ( (
<. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  /\  x  e.  ( 1st `  A ) )  -> 
( ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x  ->  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
) ) )
96, 7, 8syl2anc 415 . . . . 5  |-  ( ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  /\  j  e.  N. )  ->  ( ( *Q
`  [ <. j ,  1o >. ]  ~Q  )  <Q  x  ->  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
) ) )
109reximdva 2652 . . . 4  |-  ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  ->  ( E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A ) ) )
115, 10mpd 13 . . 3  |-  ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A ) )
123, 11rexlimddv 2673 . 2  |-  ( A  e.  P.  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
) )
13 nnnq 7782 . . . . . 6  |-  ( j  e.  N.  ->  [ <. j ,  1o >. ]  ~Q  e.  Q. )
14 recclnq 7752 . . . . . 6  |-  ( [
<. j ,  1o >. ]  ~Q  e.  Q.  ->  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  Q. )
1513, 14syl 14 . . . . 5  |-  ( j  e.  N.  ->  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  Q. )
1615adantl 277 . . . 4  |-  ( ( A  e.  P.  /\  j  e.  N. )  ->  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  Q. )
17 simpl 109 . . . 4  |-  ( ( A  e.  P.  /\  j  e.  N. )  ->  A  e.  P. )
18 nqprl 7911 . . . 4  |-  ( ( ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  Q.  /\  A  e.  P. )  ->  ( ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
)  <->  <. { l  |  l  <Q  ( *Q `  [ <. j ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  u } >.  <P  A ) )
1916, 17, 18syl2anc 415 . . 3  |-  ( ( A  e.  P.  /\  j  e.  N. )  ->  ( ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
)  <->  <. { l  |  l  <Q  ( *Q `  [ <. j ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  u } >.  <P  A ) )
2019rexbidva 2547 . 2  |-  ( A  e.  P.  ->  ( E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A )  <->  E. j  e.  N.  <. { l  |  l  <Q  ( *Q `  [ <. j ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  u } >.  <P  A ) )
2112, 20mpbid 147 1  |-  ( A  e.  P.  ->  E. j  e.  N.  <. { l  |  l  <Q  ( *Q `  [ <. j ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  u } >.  <P  A )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    e. wcel 2209   {cab 2224   E.wrex 2529   <.cop 3711   class class class wbr 4128   ` cfv 5375   1stc1st 6365   2ndc2nd 6366   1oc1o 6673   [cec 6798   N.cnpi 7632    ~Q ceq 7639   Q.cnq 7640   *Qcrq 7644    <Q cltq 7645   P.cnp 7651    <P cltp 7655
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4244  ax-sep 4247  ax-nul 4257  ax-pow 4309  ax-pr 4344  ax-un 4576  ax-setind 4682  ax-iinf 4733
This theorem depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-int 3969  df-iun 4012  df-br 4129  df-opab 4191  df-mpt 4192  df-tr 4228  df-eprel 4432  df-id 4436  df-po 4439  df-iso 4440  df-iord 4509  df-on 4511  df-suc 4514  df-iom 4736  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-ima 4785  df-iota 5335  df-fun 5377  df-fn 5378  df-f 5379  df-f1 5380  df-fo 5381  df-f1o 5382  df-fv 5383  df-ov 6081  df-oprab 6082  df-mpo 6083  df-1st 6367  df-2nd 6368  df-recs 6569  df-irdg 6634  df-1o 6680  df-oadd 6684  df-omul 6685  df-er 6800  df-ec 6802  df-qs 6806  df-ni 7664  df-pli 7665  df-mi 7666  df-lti 7667  df-plpq 7704  df-mpq 7705  df-enq 7707  df-nqqs 7708  df-plqqs 7709  df-mqqs 7710  df-1nqqs 7711  df-rq 7712  df-ltnqqs 7713  df-inp 7826  df-iltp 7830
This theorem is referenced by:  caucvgprprlemlim  8071
  Copyright terms: Public domain W3C validator