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Theorem archrecpr 7874
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 7685 . . . 4  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
2 prml 7687 . . . 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 7873 . . . . 5  |-  ( x  e.  Q.  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x )
54ad2antrl 490 . . . 4  |-  ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  <Q  x )
61ad2antrr 488 . . . . . 6  |-  ( ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  /\  j  e.  N. )  ->  <. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P. )
7 simplrr 536 . . . . . 6  |-  ( ( ( A  e.  P.  /\  ( x  e.  Q.  /\  x  e.  ( 1st `  A ) ) )  /\  j  e.  N. )  ->  x  e.  ( 1st `  A ) )
8 prcdnql 7694 . . . . . 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 411 . . . . 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 2632 . . . 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 2653 . 2  |-  ( A  e.  P.  ->  E. j  e.  N.  ( *Q `  [ <. j ,  1o >. ]  ~Q  )  e.  ( 1st `  A
) )
13 nnnq 7632 . . . . . 6  |-  ( j  e.  N.  ->  [ <. j ,  1o >. ]  ~Q  e.  Q. )
14 recclnq 7602 . . . . . 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 7761 . . . 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 411 . . 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 2527 . 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 2200   {cab 2215   E.wrex 2509   <.cop 3670   class class class wbr 4086   ` cfv 5324   1stc1st 6296   2ndc2nd 6297   1oc1o 6570   [cec 6695   N.cnpi 7482    ~Q ceq 7489   Q.cnq 7490   *Qcrq 7494    <Q cltq 7495   P.cnp 7501    <P cltp 7505
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4202  ax-sep 4205  ax-nul 4213  ax-pow 4262  ax-pr 4297  ax-un 4528  ax-setind 4633  ax-iinf 4684
This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2802  df-sbc 3030  df-csb 3126  df-dif 3200  df-un 3202  df-in 3204  df-ss 3211  df-nul 3493  df-pw 3652  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-int 3927  df-iun 3970  df-br 4087  df-opab 4149  df-mpt 4150  df-tr 4186  df-eprel 4384  df-id 4388  df-po 4391  df-iso 4392  df-iord 4461  df-on 4463  df-suc 4466  df-iom 4687  df-xp 4729  df-rel 4730  df-cnv 4731  df-co 4732  df-dm 4733  df-rn 4734  df-res 4735  df-ima 4736  df-iota 5284  df-fun 5326  df-fn 5327  df-f 5328  df-f1 5329  df-fo 5330  df-f1o 5331  df-fv 5332  df-ov 6016  df-oprab 6017  df-mpo 6018  df-1st 6298  df-2nd 6299  df-recs 6466  df-irdg 6531  df-1o 6577  df-oadd 6581  df-omul 6582  df-er 6697  df-ec 6699  df-qs 6703  df-ni 7514  df-pli 7515  df-mi 7516  df-lti 7517  df-plpq 7554  df-mpq 7555  df-enq 7557  df-nqqs 7558  df-plqqs 7559  df-mqqs 7560  df-1nqqs 7561  df-rq 7562  df-ltnqqs 7563  df-inp 7676  df-iltp 7680
This theorem is referenced by:  caucvgprprlemlim  7921
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