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Theorem rpnnen1lem5 11818
Description: Lemma for rpnnen1 11820. (Contributed by Mario Carneiro, 12-May-2013.) (Revised by NM, 13-Aug-2021.) (Proof modification is discouraged.)
Hypotheses
Ref Expression
rpnnen1lem.1  |-  T  =  { n  e.  ZZ  |  ( n  / 
k )  <  x }
rpnnen1lem.2  |-  F  =  ( x  e.  RR  |->  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  / 
k ) ) )
rpnnen1lem.n  |-  NN  e.  _V
rpnnen1lem.q  |-  QQ  e.  _V
Assertion
Ref Expression
rpnnen1lem5  |-  ( x  e.  RR  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  =  x )
Distinct variable groups:    k, F, n, x    T, n
Allowed substitution hints:    T( x, k)

Proof of Theorem rpnnen1lem5
Dummy variable  y is distinct from all other variables.
StepHypRef Expression
1 rpnnen1lem.1 . . . 4  |-  T  =  { n  e.  ZZ  |  ( n  / 
k )  <  x }
2 rpnnen1lem.2 . . . 4  |-  F  =  ( x  e.  RR  |->  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  / 
k ) ) )
3 rpnnen1lem.n . . . 4  |-  NN  e.  _V
4 rpnnen1lem.q . . . 4  |-  QQ  e.  _V
51, 2, 3, 4rpnnen1lem3 11816 . . 3  |-  ( x  e.  RR  ->  A. n  e.  ran  ( F `  x ) n  <_  x )
61, 2, 3, 4rpnnen1lem1 11815 . . . . . 6  |-  ( x  e.  RR  ->  ( F `  x )  e.  ( QQ  ^m  NN ) )
74, 3elmap 7886 . . . . . 6  |-  ( ( F `  x )  e.  ( QQ  ^m  NN )  <->  ( F `  x ) : NN --> QQ )
86, 7sylib 208 . . . . 5  |-  ( x  e.  RR  ->  ( F `  x ) : NN --> QQ )
9 frn 6053 . . . . . 6  |-  ( ( F `  x ) : NN --> QQ  ->  ran  ( F `  x
)  C_  QQ )
10 qssre 11798 . . . . . 6  |-  QQ  C_  RR
119, 10syl6ss 3615 . . . . 5  |-  ( ( F `  x ) : NN --> QQ  ->  ran  ( F `  x
)  C_  RR )
128, 11syl 17 . . . 4  |-  ( x  e.  RR  ->  ran  ( F `  x ) 
C_  RR )
13 1nn 11031 . . . . . . . 8  |-  1  e.  NN
1413ne0ii 3923 . . . . . . 7  |-  NN  =/=  (/)
15 fdm 6051 . . . . . . . 8  |-  ( ( F `  x ) : NN --> QQ  ->  dom  ( F `  x
)  =  NN )
1615neeq1d 2853 . . . . . . 7  |-  ( ( F `  x ) : NN --> QQ  ->  ( dom  ( F `  x )  =/=  (/)  <->  NN  =/=  (/) ) )
1714, 16mpbiri 248 . . . . . 6  |-  ( ( F `  x ) : NN --> QQ  ->  dom  ( F `  x
)  =/=  (/) )
18 dm0rn0 5342 . . . . . . 7  |-  ( dom  ( F `  x
)  =  (/)  <->  ran  ( F `
 x )  =  (/) )
1918necon3bii 2846 . . . . . 6  |-  ( dom  ( F `  x
)  =/=  (/)  <->  ran  ( F `
 x )  =/=  (/) )
2017, 19sylib 208 . . . . 5  |-  ( ( F `  x ) : NN --> QQ  ->  ran  ( F `  x
)  =/=  (/) )
218, 20syl 17 . . . 4  |-  ( x  e.  RR  ->  ran  ( F `  x )  =/=  (/) )
22 breq2 4657 . . . . . . 7  |-  ( y  =  x  ->  (
n  <_  y  <->  n  <_  x ) )
2322ralbidv 2986 . . . . . 6  |-  ( y  =  x  ->  ( A. n  e.  ran  ( F `  x ) n  <_  y  <->  A. n  e.  ran  ( F `  x ) n  <_  x ) )
2423rspcev 3309 . . . . 5  |-  ( ( x  e.  RR  /\  A. n  e.  ran  ( F `  x )
n  <_  x )  ->  E. y  e.  RR  A. n  e.  ran  ( F `  x )
n  <_  y )
255, 24mpdan 702 . . . 4  |-  ( x  e.  RR  ->  E. y  e.  RR  A. n  e. 
ran  ( F `  x ) n  <_ 
y )
26 id 22 . . . 4  |-  ( x  e.  RR  ->  x  e.  RR )
27 suprleub 10989 . . . 4  |-  ( ( ( ran  ( F `
 x )  C_  RR  /\  ran  ( F `
 x )  =/=  (/)  /\  E. y  e.  RR  A. n  e. 
ran  ( F `  x ) n  <_ 
y )  /\  x  e.  RR )  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <_  x  <->  A. n  e.  ran  ( F `  x ) n  <_  x )
)
2812, 21, 25, 26, 27syl31anc 1329 . . 3  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <_  x  <->  A. n  e.  ran  ( F `  x ) n  <_  x )
)
295, 28mpbird 247 . 2  |-  ( x  e.  RR  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  <_  x
)
301, 2, 3, 4rpnnen1lem4 11817 . . . . . . . . 9  |-  ( x  e.  RR  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR )
31 resubcl 10345 . . . . . . . . 9  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  e.  RR )  ->  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) )  e.  RR )
3230, 31mpdan 702 . . . . . . . 8  |-  ( x  e.  RR  ->  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) )  e.  RR )
3332adantr 481 . . . . . . 7  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) )  e.  RR )
34 posdif 10521 . . . . . . . . . 10  |-  ( ( sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR  /\  x  e.  RR )  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  <->  0  <  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) ) )
3530, 34mpancom 703 . . . . . . . . 9  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  <->  0  <  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) ) )
3635biimpa 501 . . . . . . . 8  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  0  <  ( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) )
3736gt0ne0d 10592 . . . . . . 7  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) )  =/=  0
)
3833, 37rereccld 10852 . . . . . 6  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  e.  RR )
39 arch 11289 . . . . . 6  |-  ( ( 1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  e.  RR  ->  E. k  e.  NN  ( 1  / 
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) )  <  k )
4038, 39syl 17 . . . . 5  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  E. k  e.  NN  ( 1  / 
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) )  <  k )
4140ex 450 . . . 4  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  ->  E. k  e.  NN  ( 1  / 
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) )  <  k ) )
421, 2rpnnen1lem2 11814 . . . . . . . . 9  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  sup ( T ,  RR ,  <  )  e.  ZZ )
4342zred 11482 . . . . . . . 8  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  sup ( T ,  RR ,  <  )  e.  RR )
44433adant3 1081 . . . . . . 7  |-  ( ( x  e.  RR  /\  k  e.  NN  /\  (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k )  ->  sup ( T ,  RR ,  <  )  e.  RR )
4544ltp1d 10954 . . . . . 6  |-  ( ( x  e.  RR  /\  k  e.  NN  /\  (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k )  ->  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) )
4633, 36jca 554 . . . . . . . . . . . . 13  |-  ( ( x  e.  RR  /\  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )  ->  (
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) )  e.  RR  /\  0  < 
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) ) )
47 nnre 11027 . . . . . . . . . . . . . 14  |-  ( k  e.  NN  ->  k  e.  RR )
48 nngt0 11049 . . . . . . . . . . . . . 14  |-  ( k  e.  NN  ->  0  <  k )
4947, 48jca 554 . . . . . . . . . . . . 13  |-  ( k  e.  NN  ->  (
k  e.  RR  /\  0  <  k ) )
50 ltrec1 10910 . . . . . . . . . . . . 13  |-  ( ( ( ( x  -  sup ( ran  ( F `
 x ) ,  RR ,  <  )
)  e.  RR  /\  0  <  ( x  -  sup ( ran  ( F `
 x ) ,  RR ,  <  )
) )  /\  (
k  e.  RR  /\  0  <  k ) )  ->  ( ( 1  /  ( x  -  sup ( ran  ( F `
 x ) ,  RR ,  <  )
) )  <  k  <->  ( 1  /  k )  <  ( x  -  sup ( ran  ( F `
 x ) ,  RR ,  <  )
) ) )
5146, 49, 50syl2an 494 . . . . . . . . . . . 12  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( 1  /  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  <->  ( 1  / 
k )  <  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) ) )
5230ad2antrr 762 . . . . . . . . . . . . . 14  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR )
53 nnrecre 11057 . . . . . . . . . . . . . . 15  |-  ( k  e.  NN  ->  (
1  /  k )  e.  RR )
5453adantl 482 . . . . . . . . . . . . . 14  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
1  /  k )  e.  RR )
55 simpll 790 . . . . . . . . . . . . . 14  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  x  e.  RR )
5652, 54, 55ltaddsub2d 10628 . . . . . . . . . . . . 13  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( sup ( ran  ( F `  x
) ,  RR ,  <  )  +  ( 1  /  k ) )  <  x  <->  ( 1  /  k )  < 
( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  ) ) ) )
5712adantr 481 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ran  ( F `  x )  C_  RR )
58 ffn 6045 . . . . . . . . . . . . . . . . . . 19  |-  ( ( F `  x ) : NN --> QQ  ->  ( F `  x )  Fn  NN )
598, 58syl 17 . . . . . . . . . . . . . . . . . 18  |-  ( x  e.  RR  ->  ( F `  x )  Fn  NN )
60 fnfvelrn 6356 . . . . . . . . . . . . . . . . . 18  |-  ( ( ( F `  x
)  Fn  NN  /\  k  e.  NN )  ->  ( ( F `  x ) `  k
)  e.  ran  ( F `  x )
)
6159, 60sylan 488 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( F `  x ) `  k
)  e.  ran  ( F `  x )
)
6257, 61sseldd 3604 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( F `  x ) `  k
)  e.  RR )
6330adantr 481 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR )
6453adantl 482 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( 1  /  k
)  e.  RR )
6512, 21, 253jca 1242 . . . . . . . . . . . . . . . . . 18  |-  ( x  e.  RR  ->  ( ran  ( F `  x
)  C_  RR  /\  ran  ( F `  x )  =/=  (/)  /\  E. y  e.  RR  A. n  e. 
ran  ( F `  x ) n  <_ 
y ) )
6665adantr 481 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ran  ( F `
 x )  C_  RR  /\  ran  ( F `
 x )  =/=  (/)  /\  E. y  e.  RR  A. n  e. 
ran  ( F `  x ) n  <_ 
y ) )
67 suprub 10984 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ran  ( F `
 x )  C_  RR  /\  ran  ( F `
 x )  =/=  (/)  /\  E. y  e.  RR  A. n  e. 
ran  ( F `  x ) n  <_ 
y )  /\  (
( F `  x
) `  k )  e.  ran  ( F `  x ) )  -> 
( ( F `  x ) `  k
)  <_  sup ( ran  ( F `  x
) ,  RR ,  <  ) )
6866, 61, 67syl2anc 693 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( F `  x ) `  k
)  <_  sup ( ran  ( F `  x
) ,  RR ,  <  ) )
6962, 63, 64, 68leadd1dd 10641 . . . . . . . . . . . . . . 15  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  <_  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  +  ( 1  /  k ) ) )
7062, 64readdcld 10069 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  e.  RR )
71 readdcl 10019 . . . . . . . . . . . . . . . . 17  |-  ( ( sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR  /\  ( 1  /  k )  e.  RR )  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  e.  RR )
7230, 53, 71syl2an 494 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( sup ( ran  ( F `  x
) ,  RR ,  <  )  +  ( 1  /  k ) )  e.  RR )
73 simpl 473 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  x  e.  RR )
74 lelttr 10128 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  e.  RR  /\  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  e.  RR  /\  x  e.  RR )  ->  (
( ( ( ( F `  x ) `
 k )  +  ( 1  /  k
) )  <_  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  /\  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  < 
x )  ->  (
( ( F `  x ) `  k
)  +  ( 1  /  k ) )  <  x ) )
7574expd 452 . . . . . . . . . . . . . . . 16  |-  ( ( ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  e.  RR  /\  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  e.  RR  /\  x  e.  RR )  ->  (
( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  <_  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  +  ( 1  /  k ) )  ->  ( ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  < 
x  ->  ( (
( F `  x
) `  k )  +  ( 1  / 
k ) )  < 
x ) ) )
7670, 72, 73, 75syl3anc 1326 . . . . . . . . . . . . . . 15  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( ( F `  x ) `
 k )  +  ( 1  /  k
) )  <_  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  +  ( 1  / 
k ) )  -> 
( ( sup ( ran  ( F `  x
) ,  RR ,  <  )  +  ( 1  /  k ) )  <  x  ->  (
( ( F `  x ) `  k
)  +  ( 1  /  k ) )  <  x ) ) )
7769, 76mpd 15 . . . . . . . . . . . . . 14  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( sup ( ran  ( F `  x
) ,  RR ,  <  )  +  ( 1  /  k ) )  <  x  ->  (
( ( F `  x ) `  k
)  +  ( 1  /  k ) )  <  x ) )
7877adantlr 751 . . . . . . . . . . . . 13  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( sup ( ran  ( F `  x
) ,  RR ,  <  )  +  ( 1  /  k ) )  <  x  ->  (
( ( F `  x ) `  k
)  +  ( 1  /  k ) )  <  x ) )
7956, 78sylbird 250 . . . . . . . . . . . 12  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( 1  /  k
)  <  ( x  -  sup ( ran  ( F `  x ) ,  RR ,  <  )
)  ->  ( (
( F `  x
) `  k )  +  ( 1  / 
k ) )  < 
x ) )
8051, 79sylbid 230 . . . . . . . . . . 11  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( 1  /  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  ( (
( F `  x
) `  k )  +  ( 1  / 
k ) )  < 
x ) )
8142peano2zd 11485 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( sup ( T ,  RR ,  <  )  +  1 )  e.  ZZ )
82 oveq1 6657 . . . . . . . . . . . . . . . . . . 19  |-  ( n  =  ( sup ( T ,  RR ,  <  )  +  1 )  ->  ( n  / 
k )  =  ( ( sup ( T ,  RR ,  <  )  +  1 )  / 
k ) )
8382breq1d 4663 . . . . . . . . . . . . . . . . . 18  |-  ( n  =  ( sup ( T ,  RR ,  <  )  +  1 )  ->  ( ( n  /  k )  < 
x  <->  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  <  x ) )
8483, 1elrab2 3366 . . . . . . . . . . . . . . . . 17  |-  ( ( sup ( T ,  RR ,  <  )  +  1 )  e.  T  <->  ( ( sup ( T ,  RR ,  <  )  +  1 )  e.  ZZ  /\  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k
)  <  x )
)
8584biimpri 218 . . . . . . . . . . . . . . . 16  |-  ( ( ( sup ( T ,  RR ,  <  )  +  1 )  e.  ZZ  /\  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k
)  <  x )  ->  ( sup ( T ,  RR ,  <  )  +  1 )  e.  T )
8681, 85sylan 488 . . . . . . . . . . . . . . 15  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  <  x )  -> 
( sup ( T ,  RR ,  <  )  +  1 )  e.  T )
87 ssrab2 3687 . . . . . . . . . . . . . . . . . . . 20  |-  { n  e.  ZZ  |  ( n  /  k )  < 
x }  C_  ZZ
881, 87eqsstri 3635 . . . . . . . . . . . . . . . . . . 19  |-  T  C_  ZZ
89 zssre 11384 . . . . . . . . . . . . . . . . . . 19  |-  ZZ  C_  RR
9088, 89sstri 3612 . . . . . . . . . . . . . . . . . 18  |-  T  C_  RR
9190a1i 11 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  T  C_  RR )
92 remulcl 10021 . . . . . . . . . . . . . . . . . . . . . . 23  |-  ( ( k  e.  RR  /\  x  e.  RR )  ->  ( k  x.  x
)  e.  RR )
9392ancoms 469 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( x  e.  RR  /\  k  e.  RR )  ->  ( k  x.  x
)  e.  RR )
9447, 93sylan2 491 . . . . . . . . . . . . . . . . . . . . 21  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( k  x.  x
)  e.  RR )
95 btwnz 11479 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( k  x.  x )  e.  RR  ->  ( E. n  e.  ZZ  n  <  ( k  x.  x )  /\  E. n  e.  ZZ  (
k  x.  x )  <  n ) )
9695simpld 475 . . . . . . . . . . . . . . . . . . . . 21  |-  ( ( k  x.  x )  e.  RR  ->  E. n  e.  ZZ  n  <  (
k  x.  x ) )
9794, 96syl 17 . . . . . . . . . . . . . . . . . . . 20  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  E. n  e.  ZZ  n  <  ( k  x.  x ) )
98 zre 11381 . . . . . . . . . . . . . . . . . . . . . . 23  |-  ( n  e.  ZZ  ->  n  e.  RR )
9998adantl 482 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  n  e.  RR )
100 simpll 790 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  x  e.  RR )
10149ad2antlr 763 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  ( k  e.  RR  /\  0  < 
k ) )
102 ltdivmul 10898 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( n  e.  RR  /\  x  e.  RR  /\  (
k  e.  RR  /\  0  <  k ) )  ->  ( ( n  /  k )  < 
x  <->  n  <  ( k  x.  x ) ) )
10399, 100, 101, 102syl3anc 1326 . . . . . . . . . . . . . . . . . . . . 21  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  ( ( n  /  k )  < 
x  <->  n  <  ( k  x.  x ) ) )
104103rexbidva 3049 . . . . . . . . . . . . . . . . . . . 20  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( E. n  e.  ZZ  ( n  / 
k )  <  x  <->  E. n  e.  ZZ  n  <  ( k  x.  x
) ) )
10597, 104mpbird 247 . . . . . . . . . . . . . . . . . . 19  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  E. n  e.  ZZ  ( n  /  k
)  <  x )
106 rabn0 3958 . . . . . . . . . . . . . . . . . . 19  |-  ( { n  e.  ZZ  | 
( n  /  k
)  <  x }  =/=  (/)  <->  E. n  e.  ZZ  ( n  /  k
)  <  x )
107105, 106sylibr 224 . . . . . . . . . . . . . . . . . 18  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  { n  e.  ZZ  |  ( n  / 
k )  <  x }  =/=  (/) )
1081neeq1i 2858 . . . . . . . . . . . . . . . . . 18  |-  ( T  =/=  (/)  <->  { n  e.  ZZ  |  ( n  / 
k )  <  x }  =/=  (/) )
109107, 108sylibr 224 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  T  =/=  (/) )
1101rabeq2i 3197 . . . . . . . . . . . . . . . . . . . 20  |-  ( n  e.  T  <->  ( n  e.  ZZ  /\  ( n  /  k )  < 
x ) )
11147ad2antlr 763 . . . . . . . . . . . . . . . . . . . . . . . 24  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  k  e.  RR )
112111, 100, 92syl2anc 693 . . . . . . . . . . . . . . . . . . . . . . 23  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  ( k  x.  x )  e.  RR )
113 ltle 10126 . . . . . . . . . . . . . . . . . . . . . . 23  |-  ( ( n  e.  RR  /\  ( k  x.  x
)  e.  RR )  ->  ( n  < 
( k  x.  x
)  ->  n  <_  ( k  x.  x ) ) )
11499, 112, 113syl2anc 693 . . . . . . . . . . . . . . . . . . . . . 22  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  ( n  < 
( k  x.  x
)  ->  n  <_  ( k  x.  x ) ) )
115103, 114sylbid 230 . . . . . . . . . . . . . . . . . . . . 21  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  ZZ )  ->  ( ( n  /  k )  < 
x  ->  n  <_  ( k  x.  x ) ) )
116115impr 649 . . . . . . . . . . . . . . . . . . . 20  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  ( n  e.  ZZ  /\  ( n  /  k )  < 
x ) )  ->  n  <_  ( k  x.  x ) )
117110, 116sylan2b 492 . . . . . . . . . . . . . . . . . . 19  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  n  e.  T
)  ->  n  <_  ( k  x.  x ) )
118117ralrimiva 2966 . . . . . . . . . . . . . . . . . 18  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  A. n  e.  T  n  <_  ( k  x.  x ) )
119 breq2 4657 . . . . . . . . . . . . . . . . . . . 20  |-  ( y  =  ( k  x.  x )  ->  (
n  <_  y  <->  n  <_  ( k  x.  x ) ) )
120119ralbidv 2986 . . . . . . . . . . . . . . . . . . 19  |-  ( y  =  ( k  x.  x )  ->  ( A. n  e.  T  n  <_  y  <->  A. n  e.  T  n  <_  ( k  x.  x ) ) )
121120rspcev 3309 . . . . . . . . . . . . . . . . . 18  |-  ( ( ( k  x.  x
)  e.  RR  /\  A. n  e.  T  n  <_  ( k  x.  x ) )  ->  E. y  e.  RR  A. n  e.  T  n  <_  y )
12294, 118, 121syl2anc 693 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  E. y  e.  RR  A. n  e.  T  n  <_  y )
12391, 109, 1223jca 1242 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( T  C_  RR  /\  T  =/=  (/)  /\  E. y  e.  RR  A. n  e.  T  n  <_  y ) )
124 suprub 10984 . . . . . . . . . . . . . . . 16  |-  ( ( ( T  C_  RR  /\  T  =/=  (/)  /\  E. y  e.  RR  A. n  e.  T  n  <_  y )  /\  ( sup ( T ,  RR ,  <  )  +  1 )  e.  T )  ->  ( sup ( T ,  RR ,  <  )  +  1 )  <_  sup ( T ,  RR ,  <  ) )
125123, 124sylan 488 . . . . . . . . . . . . . . 15  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  ( sup ( T ,  RR ,  <  )  +  1 )  e.  T )  -> 
( sup ( T ,  RR ,  <  )  +  1 )  <_  sup ( T ,  RR ,  <  ) )
12686, 125syldan 487 . . . . . . . . . . . . . 14  |-  ( ( ( x  e.  RR  /\  k  e.  NN )  /\  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  <  x )  -> 
( sup ( T ,  RR ,  <  )  +  1 )  <_  sup ( T ,  RR ,  <  ) )
127126ex 450 . . . . . . . . . . . . 13  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  <  x  ->  ( sup ( T ,  RR ,  <  )  +  1 )  <_  sup ( T ,  RR ,  <  ) ) )
12842zcnd 11483 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  sup ( T ,  RR ,  <  )  e.  CC )
129 1cnd 10056 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  1  e.  CC )
130 nncn 11028 . . . . . . . . . . . . . . . . . 18  |-  ( k  e.  NN  ->  k  e.  CC )
131 nnne0 11053 . . . . . . . . . . . . . . . . . 18  |-  ( k  e.  NN  ->  k  =/=  0 )
132130, 131jca 554 . . . . . . . . . . . . . . . . 17  |-  ( k  e.  NN  ->  (
k  e.  CC  /\  k  =/=  0 ) )
133132adantl 482 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( k  e.  CC  /\  k  =/=  0 ) )
134 divdir 10710 . . . . . . . . . . . . . . . 16  |-  ( ( sup ( T ,  RR ,  <  )  e.  CC  /\  1  e.  CC  /\  ( k  e.  CC  /\  k  =/=  0 ) )  -> 
( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  =  ( ( sup ( T ,  RR ,  <  )  /  k )  +  ( 1  / 
k ) ) )
135128, 129, 133, 134syl3anc 1326 . . . . . . . . . . . . . . 15  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  =  ( ( sup ( T ,  RR ,  <  )  /  k )  +  ( 1  / 
k ) ) )
1363mptex 6486 . . . . . . . . . . . . . . . . . . 19  |-  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k
) )  e.  _V
1372fvmpt2 6291 . . . . . . . . . . . . . . . . . . 19  |-  ( ( x  e.  RR  /\  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  / 
k ) )  e. 
_V )  ->  ( F `  x )  =  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k ) ) )
138136, 137mpan2 707 . . . . . . . . . . . . . . . . . 18  |-  ( x  e.  RR  ->  ( F `  x )  =  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k ) ) )
139138fveq1d 6193 . . . . . . . . . . . . . . . . 17  |-  ( x  e.  RR  ->  (
( F `  x
) `  k )  =  ( ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k
) ) `  k
) )
140 ovex 6678 . . . . . . . . . . . . . . . . . 18  |-  ( sup ( T ,  RR ,  <  )  /  k
)  e.  _V
141 eqid 2622 . . . . . . . . . . . . . . . . . . 19  |-  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k
) )  =  ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  / 
k ) )
142141fvmpt2 6291 . . . . . . . . . . . . . . . . . 18  |-  ( ( k  e.  NN  /\  ( sup ( T ,  RR ,  <  )  / 
k )  e.  _V )  ->  ( ( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  /  k
) ) `  k
)  =  ( sup ( T ,  RR ,  <  )  /  k
) )
143140, 142mpan2 707 . . . . . . . . . . . . . . . . 17  |-  ( k  e.  NN  ->  (
( k  e.  NN  |->  ( sup ( T ,  RR ,  <  )  / 
k ) ) `  k )  =  ( sup ( T ,  RR ,  <  )  / 
k ) )
144139, 143sylan9eq 2676 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( F `  x ) `  k
)  =  ( sup ( T ,  RR ,  <  )  /  k
) )
145144oveq1d 6665 . . . . . . . . . . . . . . 15  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  =  ( ( sup ( T ,  RR ,  <  )  / 
k )  +  ( 1  /  k ) ) )
146135, 145eqtr4d 2659 . . . . . . . . . . . . . 14  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  =  ( ( ( F `
 x ) `  k )  +  ( 1  /  k ) ) )
147146breq1d 4663 . . . . . . . . . . . . 13  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( sup ( T ,  RR ,  <  )  +  1 )  /  k )  <  x  <->  ( (
( F `  x
) `  k )  +  ( 1  / 
k ) )  < 
x ) )
14881zred 11482 . . . . . . . . . . . . . 14  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( sup ( T ,  RR ,  <  )  +  1 )  e.  RR )
149148, 43lenltd 10183 . . . . . . . . . . . . 13  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( sup ( T ,  RR ,  <  )  +  1 )  <_  sup ( T ,  RR ,  <  )  <->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) )
150127, 147, 1493imtr3d 282 . . . . . . . . . . . 12  |-  ( ( x  e.  RR  /\  k  e.  NN )  ->  ( ( ( ( F `  x ) `
 k )  +  ( 1  /  k
) )  <  x  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) )
151150adantlr 751 . . . . . . . . . . 11  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( ( ( F `
 x ) `  k )  +  ( 1  /  k ) )  <  x  ->  -.  sup ( T ,  RR ,  <  )  < 
( sup ( T ,  RR ,  <  )  +  1 ) ) )
15280, 151syld 47 . . . . . . . . . 10  |-  ( ( ( x  e.  RR  /\ 
sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x )  /\  k  e.  NN )  ->  (
( 1  /  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) )
153152exp31 630 . . . . . . . . 9  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  ->  ( k  e.  NN  ->  ( (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) ) ) )
154153com4l 92 . . . . . . . 8  |-  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  ->  ( k  e.  NN  ->  ( (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  ( x  e.  RR  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) ) ) )
155154com14 96 . . . . . . 7  |-  ( x  e.  RR  ->  (
k  e.  NN  ->  ( ( 1  /  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  ( sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) ) ) )
1561553imp 1256 . . . . . 6  |-  ( ( x  e.  RR  /\  k  e.  NN  /\  (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k )  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  ->  -.  sup ( T ,  RR ,  <  )  <  ( sup ( T ,  RR ,  <  )  +  1 ) ) )
15745, 156mt2d 131 . . . . 5  |-  ( ( x  e.  RR  /\  k  e.  NN  /\  (
1  /  ( x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k )  ->  -.  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )
158157rexlimdv3a 3033 . . . 4  |-  ( x  e.  RR  ->  ( E. k  e.  NN  ( 1  /  (
x  -  sup ( ran  ( F `  x
) ,  RR ,  <  ) ) )  < 
k  ->  -.  sup ( ran  ( F `  x
) ,  RR ,  <  )  <  x ) )
15941, 158syld 47 . . 3  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x  ->  -.  sup ( ran  ( F `  x
) ,  RR ,  <  )  <  x ) )
160159pm2.01d 181 . 2  |-  ( x  e.  RR  ->  -.  sup ( ran  ( F `
 x ) ,  RR ,  <  )  <  x )
161 eqlelt 10125 . . 3  |-  ( ( sup ( ran  ( F `  x ) ,  RR ,  <  )  e.  RR  /\  x  e.  RR )  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  =  x  <->  ( sup ( ran  ( F `  x
) ,  RR ,  <  )  <_  x  /\  -.  sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x ) ) )
16230, 161mpancom 703 . 2  |-  ( x  e.  RR  ->  ( sup ( ran  ( F `
 x ) ,  RR ,  <  )  =  x  <->  ( sup ( ran  ( F `  x
) ,  RR ,  <  )  <_  x  /\  -.  sup ( ran  ( F `  x ) ,  RR ,  <  )  <  x ) ) )
16329, 160, 162mpbir2and 957 1  |-  ( x  e.  RR  ->  sup ( ran  ( F `  x ) ,  RR ,  <  )  =  x )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 196    /\ wa 384    /\ w3a 1037    = wceq 1483    e. wcel 1990    =/= wne 2794   A.wral 2912   E.wrex 2913   {crab 2916   _Vcvv 3200    C_ wss 3574   (/)c0 3915   class class class wbr 4653    |-> cmpt 4729   dom cdm 5114   ran crn 5115    Fn wfn 5883   -->wf 5884   ` cfv 5888  (class class class)co 6650    ^m cmap 7857   supcsup 8346   CCcc 9934   RRcr 9935   0cc0 9936   1c1 9937    + caddc 9939    x. cmul 9941    < clt 10074    <_ cle 10075    - cmin 10266    / cdiv 10684   NNcn 11020   ZZcz 11377   QQcq 11788
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013  ax-pre-sup 10014
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-er 7742  df-map 7859  df-en 7956  df-dom 7957  df-sdom 7958  df-sup 8348  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-div 10685  df-nn 11021  df-n0 11293  df-z 11378  df-q 11789
This theorem is referenced by:  rpnnen1lem6  11819
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