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Theorem archpr 7974
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 7884. (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 7806 . . 3  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
2 prmu 7809 . . 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 7748 . . . 4  |-  ( z  e.  Q.  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
54ad2antrl 490 . . 3  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  E. x  e.  N.  z  <Q  [ <. x ,  1o >. ]  ~Q  )
6 simprl 531 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  Q. )
76ad2antrr 488 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  z  e.  Q. )
8 simprr 533 . . . . . . . 8  |-  ( ( A  e.  P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A ) ) )  ->  z  e.  ( 2nd `  A ) )
98ad2antrr 488 . . . . . . 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 2818 . . . . . . . . 9  |-  z  e. 
_V
12 breq1 4117 . . . . . . . . 9  |-  ( l  =  z  ->  (
l  <Q  [ <. x ,  1o >. ]  ~Q  <->  z  <Q  [
<. x ,  1o >. ]  ~Q  ) )
13 ltnqex 7880 . . . . . . . . . 10  |-  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }  e.  _V
14 gtnqex 7881 . . . . . . . . . 10  |-  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u }  e.  _V
1513, 14op1st 6353 . . . . . . . . 9  |-  ( 1st `  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >. )  =  { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  }
1611, 12, 15elab2 2968 . . . . . . . 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 2297 . . . . . . . . 9  |-  ( w  =  z  ->  (
w  e.  ( 2nd `  A )  <->  z  e.  ( 2nd `  A ) ) )
19 eleq1 2297 . . . . . . . . 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 473 . . . . . . . 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 2923 . . . . . . 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 1272 . . . . . 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 535 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  ( z  e.  Q.  /\  z  e.  ( 2nd `  A
) ) )  /\  x  e.  N. )  /\  z  <Q  [ <. x ,  1o >. ]  ~Q  )  ->  A  e.  P. )
24 nnprlu 7884 . . . . . . . 8  |-  ( x  e.  N.  ->  <. { l  |  l  <Q  [ <. x ,  1o >. ]  ~Q  } ,  { u  |  [ <. x ,  1o >. ]  ~Q  <Q  u } >.  e.  P. )
2524ad2antlr 489 . . . . . . 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 7837 . . . . . . 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 411 . . . . . 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 2646 . . 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 2667 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 2205   {cab 2220   E.wrex 2523   <.cop 3697   class class class wbr 4114   ` cfv 5357   1stc1st 6345   2ndc2nd 6346   1oc1o 6653   [cec 6778   N.cnpi 7603    ~Q ceq 7610   Q.cnq 7611    <Q cltq 7616   P.cnp 7622    <P cltp 7626
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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4230  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-iinf 4715
This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-tr 4214  df-eprel 4415  df-id 4419  df-po 4422  df-iso 4423  df-iord 4492  df-on 4494  df-suc 4497  df-iom 4718  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-f1 5362  df-fo 5363  df-f1o 5364  df-fv 5365  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-recs 6549  df-irdg 6614  df-1o 6660  df-oadd 6664  df-omul 6665  df-er 6780  df-ec 6782  df-qs 6786  df-ni 7635  df-pli 7636  df-mi 7637  df-lti 7638  df-plpq 7675  df-mpq 7676  df-enq 7678  df-nqqs 7679  df-plqqs 7680  df-mqqs 7681  df-1nqqs 7682  df-rq 7683  df-ltnqqs 7684  df-inp 7797  df-iltp 7801
This theorem is referenced by:  archsr  8113
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