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Theorem lo1bddrp 12239
Description: Refine o1bdd2 12255 to give a strictly positive upper bound. (Contributed by Mario Carneiro, 25-May-2016.)
Hypotheses
Ref Expression
lo1bdd2.1  |-  ( ph  ->  A  C_  RR )
lo1bdd2.2  |-  ( ph  ->  C  e.  RR )
lo1bdd2.3  |-  ( (
ph  /\  x  e.  A )  ->  B  e.  RR )
lo1bdd2.4  |-  ( ph  ->  ( x  e.  A  |->  B )  e.  <_ O ( 1 ) )
lo1bdd2.5  |-  ( (
ph  /\  ( y  e.  RR  /\  C  <_ 
y ) )  ->  M  e.  RR )
lo1bdd2.6  |-  ( ( ( ph  /\  x  e.  A )  /\  (
( y  e.  RR  /\  C  <_  y )  /\  x  <  y ) )  ->  B  <_  M )
Assertion
Ref Expression
lo1bddrp  |-  ( ph  ->  E. m  e.  RR+  A. x  e.  A  B  <_  m )
Distinct variable groups:    x, m, y, A    B, m, y   
x, C, y    ph, x, y    m, M, x
Allowed substitution hints:    ph( m)    B( x)    C( m)    M( y)

Proof of Theorem lo1bddrp
Dummy variable  n is distinct from all other variables.
StepHypRef Expression
1 lo1bdd2.1 . . 3  |-  ( ph  ->  A  C_  RR )
2 lo1bdd2.2 . . 3  |-  ( ph  ->  C  e.  RR )
3 lo1bdd2.3 . . 3  |-  ( (
ph  /\  x  e.  A )  ->  B  e.  RR )
4 lo1bdd2.4 . . 3  |-  ( ph  ->  ( x  e.  A  |->  B )  e.  <_ O ( 1 ) )
5 lo1bdd2.5 . . 3  |-  ( (
ph  /\  ( y  e.  RR  /\  C  <_ 
y ) )  ->  M  e.  RR )
6 lo1bdd2.6 . . 3  |-  ( ( ( ph  /\  x  e.  A )  /\  (
( y  e.  RR  /\  C  <_  y )  /\  x  <  y ) )  ->  B  <_  M )
71, 2, 3, 4, 5, 6lo1bdd2 12238 . 2  |-  ( ph  ->  E. n  e.  RR  A. x  e.  A  B  <_  n )
8 simpr 448 . . . . . . 7  |-  ( (
ph  /\  n  e.  RR )  ->  n  e.  RR )
98recnd 9040 . . . . . 6  |-  ( (
ph  /\  n  e.  RR )  ->  n  e.  CC )
109abscld 12158 . . . . 5  |-  ( (
ph  /\  n  e.  RR )  ->  ( abs `  n )  e.  RR )
119absge0d 12166 . . . . 5  |-  ( (
ph  /\  n  e.  RR )  ->  0  <_ 
( abs `  n
) )
1210, 11ge0p1rpd 10599 . . . 4  |-  ( (
ph  /\  n  e.  RR )  ->  ( ( abs `  n )  +  1 )  e.  RR+ )
13 simplr 732 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  n  e.  RR )
1410adantr 452 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  ( abs `  n )  e.  RR )
15 peano2re 9164 . . . . . . . 8  |-  ( ( abs `  n )  e.  RR  ->  (
( abs `  n
)  +  1 )  e.  RR )
1614, 15syl 16 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  (
( abs `  n
)  +  1 )  e.  RR )
1713leabsd 12137 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  n  <_  ( abs `  n
) )
1814lep1d 9867 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  ( abs `  n )  <_ 
( ( abs `  n
)  +  1 ) )
1913, 14, 16, 17, 18letrd 9152 . . . . . 6  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  n  <_  ( ( abs `  n
)  +  1 ) )
203adantlr 696 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  B  e.  RR )
21 letr 9093 . . . . . . 7  |-  ( ( B  e.  RR  /\  n  e.  RR  /\  (
( abs `  n
)  +  1 )  e.  RR )  -> 
( ( B  <_  n  /\  n  <_  (
( abs `  n
)  +  1 ) )  ->  B  <_  ( ( abs `  n
)  +  1 ) ) )
2220, 13, 16, 21syl3anc 1184 . . . . . 6  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  (
( B  <_  n  /\  n  <_  ( ( abs `  n )  +  1 ) )  ->  B  <_  (
( abs `  n
)  +  1 ) ) )
2319, 22mpan2d 656 . . . . 5  |-  ( ( ( ph  /\  n  e.  RR )  /\  x  e.  A )  ->  ( B  <_  n  ->  B  <_  ( ( abs `  n
)  +  1 ) ) )
2423ralimdva 2720 . . . 4  |-  ( (
ph  /\  n  e.  RR )  ->  ( A. x  e.  A  B  <_  n  ->  A. x  e.  A  B  <_  ( ( abs `  n
)  +  1 ) ) )
25 breq2 4150 . . . . . 6  |-  ( m  =  ( ( abs `  n )  +  1 )  ->  ( B  <_  m  <->  B  <_  ( ( abs `  n )  +  1 ) ) )
2625ralbidv 2662 . . . . 5  |-  ( m  =  ( ( abs `  n )  +  1 )  ->  ( A. x  e.  A  B  <_  m  <->  A. x  e.  A  B  <_  ( ( abs `  n )  +  1 ) ) )
2726rspcev 2988 . . . 4  |-  ( ( ( ( abs `  n
)  +  1 )  e.  RR+  /\  A. x  e.  A  B  <_  ( ( abs `  n
)  +  1 ) )  ->  E. m  e.  RR+  A. x  e.  A  B  <_  m
)
2812, 24, 27ee12an 1369 . . 3  |-  ( (
ph  /\  n  e.  RR )  ->  ( A. x  e.  A  B  <_  n  ->  E. m  e.  RR+  A. x  e.  A  B  <_  m
) )
2928rexlimdva 2766 . 2  |-  ( ph  ->  ( E. n  e.  RR  A. x  e.  A  B  <_  n  ->  E. m  e.  RR+  A. x  e.  A  B  <_  m ) )
307, 29mpd 15 1  |-  ( ph  ->  E. m  e.  RR+  A. x  e.  A  B  <_  m )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    = wceq 1649    e. wcel 1717   A.wral 2642   E.wrex 2643    C_ wss 3256   class class class wbr 4146    e. cmpt 4200   ` cfv 5387  (class class class)co 6013   RRcr 8915   1c1 8917    + caddc 8919    < clt 9046    <_ cle 9047   RR+crp 10537   abscabs 11959   <_ O ( 1 )clo1 12201
This theorem is referenced by:  o1bddrp  12256  chpo1ubb  21035  pntrlog2bnd  21138
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1661  ax-8 1682  ax-13 1719  ax-14 1721  ax-6 1736  ax-7 1741  ax-11 1753  ax-12 1939  ax-ext 2361  ax-sep 4264  ax-nul 4272  ax-pow 4311  ax-pr 4337  ax-un 4634  ax-cnex 8972  ax-resscn 8973  ax-1cn 8974  ax-icn 8975  ax-addcl 8976  ax-addrcl 8977  ax-mulcl 8978  ax-mulrcl 8979  ax-mulcom 8980  ax-addass 8981  ax-mulass 8982  ax-distr 8983  ax-i2m1 8984  ax-1ne0 8985  ax-1rid 8986  ax-rnegex 8987  ax-rrecex 8988  ax-cnre 8989  ax-pre-lttri 8990  ax-pre-lttrn 8991  ax-pre-ltadd 8992  ax-pre-mulgt0 8993  ax-pre-sup 8994
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2235  df-mo 2236  df-clab 2367  df-cleq 2373  df-clel 2376  df-nfc 2505  df-ne 2545  df-nel 2546  df-ral 2647  df-rex 2648  df-reu 2649  df-rmo 2650  df-rab 2651  df-v 2894  df-sbc 3098  df-csb 3188  df-dif 3259  df-un 3261  df-in 3263  df-ss 3270  df-pss 3272  df-nul 3565  df-if 3676  df-pw 3737  df-sn 3756  df-pr 3757  df-tp 3758  df-op 3759  df-uni 3951  df-iun 4030  df-br 4147  df-opab 4201  df-mpt 4202  df-tr 4237  df-eprel 4428  df-id 4432  df-po 4437  df-so 4438  df-fr 4475  df-we 4477  df-ord 4518  df-on 4519  df-lim 4520  df-suc 4521  df-om 4779  df-xp 4817  df-rel 4818  df-cnv 4819  df-co 4820  df-dm 4821  df-rn 4822  df-res 4823  df-ima 4824  df-iota 5351  df-fun 5389  df-fn 5390  df-f 5391  df-f1 5392  df-fo 5393  df-f1o 5394  df-fv 5395  df-ov 6016  df-oprab 6017  df-mpt2 6018  df-2nd 6282  df-riota 6478  df-recs 6562  df-rdg 6597  df-er 6834  df-pm 6950  df-en 7039  df-dom 7040  df-sdom 7041  df-sup 7374  df-pnf 9048  df-mnf 9049  df-xr 9050  df-ltxr 9051  df-le 9052  df-sub 9218  df-neg 9219  df-div 9603  df-nn 9926  df-2 9983  df-3 9984  df-n0 10147  df-z 10208  df-uz 10414  df-rp 10538  df-ico 10847  df-seq 11244  df-exp 11303  df-cj 11824  df-re 11825  df-im 11826  df-sqr 11960  df-abs 11961  df-lo1 12205
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