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Theorem archpr 8000
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 7910. (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 7832 . . 3  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
2 prmu 7835 . . 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 7774 . . . 4  |-  ( z  e.  Q.  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
54ad2antrl 494 . . 3  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
6 simprl 535 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  Q. )
76ad2antrr 492 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  e.  Q. )
8 simprr 537 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  ( 2nd `  A ) )
98ad2antrr 492 . . . . . . 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 110 . . . . . . . 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 2824 . . . . . . . . 9  |-  z  e. 
_V
12 breq1 4128 . . . . . . . . 9  |-  ( l  =  z  ->  (
l  <Q  [ <. x ,  1o >. ]  ~Q  <->  z  <Q  [
<. x ,  1o >. ]  ~Q  ) )
13 ltnqex 7906 . . . . . . . . . 10  |-  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }  e.  _V
14 gtnqex 7907 . . . . . . . . . 10  |-  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u }  e.  _V
1513, 14op1st 6370 . . . . . . . . 9  |-  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  =  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }
1611, 12, 15elab2 2974 . . . . . . . 8  |-  ( z  e.  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  <->  z  <Q  [ <. x ,  1o >. ]  ~Q  )
1710, 16sylibr 134 . . . . . . 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 2301 . . . . . . . . 9  |-  ( w  =  z  ->  (
w  e.  ( 2nd `  A )  <->  z  e.  ( 2nd `  A ) ) )
19 eleq1 2301 . . . . . . . . 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 477 . . . . . . . 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 2929 . . . . . . 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 1276 . . . . . 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 539 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  A  e.  P. )
24 nnprlu 7910 . . . . . . . 8  |-  ( x  e.  N.  ->  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  e.  P. )
2524ad2antlr 493 . . . . . . 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 7863 . . . . . . 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 415 . . . . . 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 167 . . . . 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 115 . . . 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 2652 . . 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 2673 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 104    <-> wb 105    e. wcel 2209   {cab 2224   E.wrex 2529   <.cop 3708   class class class wbr 4125   ` cfv 5372   1stc1st 6362   2ndc2nd 6363   1oc1o 6670   [cec 6795   N.cnpi 7629    ~Q ceq 7636   Q.cnq 7637    <Q cltq 7642   P.cnp 7648    <P cltp 7652
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 4241  ax-sep 4244  ax-nul 4254  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679  ax-iinf 4730
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 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-int 3966  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-tr 4225  df-eprel 4429  df-id 4433  df-po 4436  df-iso 4437  df-iord 4506  df-on 4508  df-suc 4511  df-iom 4733  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-ov 6078  df-oprab 6079  df-mpo 6080  df-1st 6364  df-2nd 6365  df-recs 6566  df-irdg 6631  df-1o 6677  df-oadd 6681  df-omul 6682  df-er 6797  df-ec 6799  df-qs 6803  df-ni 7661  df-pli 7662  df-mi 7663  df-lti 7664  df-plpq 7701  df-mpq 7702  df-enq 7704  df-nqqs 7705  df-plqqs 7706  df-mqqs 7707  df-1nqqs 7708  df-rq 7709  df-ltnqqs 7710  df-inp 7823  df-iltp 7827
This theorem is referenced by:  archsr  8139
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