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Theorem archpr 7584
Description: For any positive real, there is an integer that is greater than it. This is also known as the "archimedean property". The integer  x is embedded into the reals as described at nnprlu 7494. (Contributed by Jim Kingdon, 22-Apr-2020.)
Assertion
Ref Expression
archpr  |-  ( A  e.  P.  ->  E. x  e.  N.  A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )
Distinct variable group:    A, l, u, x

Proof of Theorem archpr
Dummy variables  w  z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 prop 7416 . . 3  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
2 prmu 7419 . . 3  |-  ( <.
( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  ->  E. z  e.  Q.  z  e.  ( 2nd `  A ) )
31, 2syl 14 . 2  |-  ( A  e.  P.  ->  E. z  e.  Q.  z  e.  ( 2nd `  A ) )
4 archnqq 7358 . . . 4  |-  ( z  e.  Q.  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
54ad2antrl 482 . . 3  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
6 simprl 521 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  Q. )
76ad2antrr 480 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  e.  Q. )
8 simprr 522 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  ( 2nd `  A ) )
98ad2antrr 480 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  e.  ( 2nd `  A ) )
10 simpr 109 . . . . . . . 8  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  <Q  [ <. x ,  1o >. ]  ~Q  )
11 vex 2729 . . . . . . . . 9  |-  z  e. 
_V
12 breq1 3985 . . . . . . . . 9  |-  ( l  =  z  ->  (
l  <Q  [ <. x ,  1o >. ]  ~Q  <->  z  <Q  [
<. x ,  1o >. ]  ~Q  ) )
13 ltnqex 7490 . . . . . . . . . 10  |-  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }  e.  _V
14 gtnqex 7491 . . . . . . . . . 10  |-  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u }  e.  _V
1513, 14op1st 6114 . . . . . . . . 9  |-  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  =  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }
1611, 12, 15elab2 2874 . . . . . . . 8  |-  ( z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  <->  z  <Q  [ <. x ,  1o >. ]  ~Q  )
1710, 16sylibr 133 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) )
18 eleq1 2229 . . . . . . . . 9  |-  ( w  =  z  ->  (
w  e.  ( 2nd `  A )  <->  z  e.  ( 2nd `  A ) ) )
19 eleq1 2229 . . . . . . . . 9  |-  ( w  =  z  ->  (
w  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  <->  z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) )
2018, 19anbi12d 465 . . . . . . . 8  |-  ( w  =  z  ->  (
( w  e.  ( 2nd `  A )  /\  w  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) )  <->  ( z  e.  ( 2nd `  A
)  /\  z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) ) )
2120rspcev 2830 . . . . . . 7  |-  ( ( z  e.  Q.  /\  ( z  e.  ( 2nd `  A )  /\  z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) )  ->  E. w  e.  Q.  ( w  e.  ( 2nd `  A )  /\  w  e.  ( 1st ` 
<. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) )
227, 9, 17, 21syl12anc 1226 . . . . . 6  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  E. w  e.  Q.  ( w  e.  ( 2nd `  A )  /\  w  e.  ( 1st ` 
<. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) )
23 simplll 523 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  A  e.  P. )
24 nnprlu 7494 . . . . . . . 8  |-  ( x  e.  N.  ->  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  e.  P. )
2524ad2antlr 481 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  e.  P. )
26 ltdfpr 7447 . . . . . . 7  |-  ( ( A  e.  P.  /\  <. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  e.  P. )  -> 
( A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. 
<->  E. w  e.  Q.  ( w  e.  ( 2nd `  A )  /\  w  e.  ( 1st ` 
<. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) ) )
2723, 25, 26syl2anc 409 . . . . . 6  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  ( A  <P  <. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  <->  E. w  e.  Q.  ( w  e.  ( 2nd `  A )  /\  w  e.  ( 1st ` 
<. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) ) ) )
2822, 27mpbird 166 . . . . 5  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )
2928ex 114 . . . 4  |-  ( ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  /\  x  e.  N. )  ->  ( z  <Q  [ <. x ,  1o >. ]  ~Q  ->  A  <P 
<. { l  |  l 
<Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) )
3029reximdva 2568 . . 3  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  ( E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  ->  E. x  e.  N.  A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. ) )
315, 30mpd 13 . 2  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  E. x  e.  N.  A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )
323, 31rexlimddv 2588 1  |-  ( A  e.  P.  ->  E. x  e.  N.  A  <P  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    <-> wb 104    e. wcel 2136   {cab 2151   E.wrex 2445   <.cop 3579   class class class wbr 3982   ` cfv 5188   1stc1st 6106   2ndc2nd 6107   1oc1o 6377   [cec 6499   N.cnpi 7213    ~Q ceq 7220   Q.cnq 7221    <Q cltq 7226   P.cnp 7232    <P cltp 7236
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-13 2138  ax-14 2139  ax-ext 2147  ax-coll 4097  ax-sep 4100  ax-nul 4108  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514  ax-iinf 4565
This theorem depends on definitions:  df-bi 116  df-dc 825  df-3or 969  df-3an 970  df-tru 1346  df-fal 1349  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-ne 2337  df-ral 2449  df-rex 2450  df-reu 2451  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-nul 3410  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-int 3825  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-tr 4081  df-eprel 4267  df-id 4271  df-po 4274  df-iso 4275  df-iord 4344  df-on 4346  df-suc 4349  df-iom 4568  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-recs 6273  df-irdg 6338  df-1o 6384  df-oadd 6388  df-omul 6389  df-er 6501  df-ec 6503  df-qs 6507  df-ni 7245  df-pli 7246  df-mi 7247  df-lti 7248  df-plpq 7285  df-mpq 7286  df-enq 7288  df-nqqs 7289  df-plqqs 7290  df-mqqs 7291  df-1nqqs 7292  df-rq 7293  df-ltnqqs 7294  df-inp 7407  df-iltp 7411
This theorem is referenced by:  archsr  7723
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