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Theorem caucvgsrlemgt1 7596
Description: Lemma for caucvgsr 7603. A Cauchy sequence whose terms are greater than one converges. (Contributed by Jim Kingdon, 22-Jun-2021.)
Hypotheses
Ref Expression
caucvgsr.f  |-  ( ph  ->  F : N. --> R. )
caucvgsr.cau  |-  ( ph  ->  A. n  e.  N.  A. k  e.  N.  (
n  <N  k  ->  (
( F `  n
)  <R  ( ( F `
 k )  +R 
[ <. ( <. { l  |  l  <Q  ( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >.  +P.  1P ) ,  1P >. ]  ~R  )  /\  ( F `  k )  <R  (
( F `  n
)  +R  [ <. (
<. { l  |  l 
<Q  ( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >.  +P.  1P ) ,  1P >. ]  ~R  ) ) ) )
caucvgsrlemgt1.gt1  |-  ( ph  ->  A. m  e.  N.  1R  <R  ( F `  m ) )
Assertion
Ref Expression
caucvgsrlemgt1  |-  ( ph  ->  E. y  e.  R.  A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e. 
N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( y  +R  x
)  /\  y  <R  ( ( F `  i
)  +R  x ) ) ) ) )
Distinct variable groups:    j, F, k, l, u    i, F, x, j, k    m, F, n, k    n, l, u    y, F, i, j, x    ph, j,
k, x    ph, n    k, m, n
Allowed substitution hints:    ph( y, u, i, m, l)

Proof of Theorem caucvgsrlemgt1
Dummy variables  a  b  w  z  c are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 caucvgsr.f . . . 4  |-  ( ph  ->  F : N. --> R. )
2 caucvgsr.cau . . . 4  |-  ( ph  ->  A. n  e.  N.  A. k  e.  N.  (
n  <N  k  ->  (
( F `  n
)  <R  ( ( F `
 k )  +R 
[ <. ( <. { l  |  l  <Q  ( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >.  +P.  1P ) ,  1P >. ]  ~R  )  /\  ( F `  k )  <R  (
( F `  n
)  +R  [ <. (
<. { l  |  l 
<Q  ( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >.  +P.  1P ) ,  1P >. ]  ~R  ) ) ) )
3 caucvgsrlemgt1.gt1 . . . 4  |-  ( ph  ->  A. m  e.  N.  1R  <R  ( F `  m ) )
4 eqid 2137 . . . 4  |-  ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) )  =  ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
)
51, 2, 3, 4caucvgsrlemf 7593 . . 3  |-  ( ph  ->  ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) : N. --> P. )
61, 2, 3, 4caucvgsrlemcau 7594 . . 3  |-  ( ph  ->  A. n  e.  N.  A. k  e.  N.  (
n  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  n
)  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  <. { l  |  l  <Q  ( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >. )  /\  (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  n )  +P.  <. { l  |  l  <Q 
( *Q `  [ <. n ,  1o >. ]  ~Q  ) } ,  { u  |  ( *Q `  [ <. n ,  1o >. ]  ~Q  )  <Q  u } >. )
) ) )
71, 2, 3, 4caucvgsrlembound 7595 . . 3  |-  ( ph  ->  A. m  e.  N.  1P  <P  ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  m ) )
85, 6, 7caucvgprpr 7513 . 2  |-  ( ph  ->  E. a  e.  P.  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) )
9 prsrcl 7585 . . . 4  |-  ( a  e.  P.  ->  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  e.  R. )
109ad2antrl 481 . . 3  |-  ( (
ph  /\  ( a  e.  P.  /\  A. b  e.  P.  E. j  e. 
N.  A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) ) ) )  ->  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  e.  R. )
11 oveq2 5775 . . . . . . . . . . . 12  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
a  +P.  b )  =  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) )
1211breq2d 3936 . . . . . . . . . . 11  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  <->  ( (
z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) )
13 oveq2 5775 . . . . . . . . . . . 12  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )  =  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) )
1413breq2d 3936 . . . . . . . . . . 11  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b )  <->  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) )
1512, 14anbi12d 464 . . . . . . . . . 10  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) )  <->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) ) )
1615imbi2d 229 . . . . . . . . 9  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  (
( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) )  <-> 
( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) ) ) )
1716rexralbidv 2459 . . . . . . . 8  |-  ( b  =  ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  ->  ( E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) )  <->  E. j  e.  N.  A. k  e. 
N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) ) ) )
18 simplrr 525 . . . . . . . . 9  |-  ( ( ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )  /\  x  e.  R. )  ->  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) )
1918adantr 274 . . . . . . . 8  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  A. b  e.  P.  E. j  e. 
N.  A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) ) )
20 srpospr 7584 . . . . . . . . . 10  |-  ( ( x  e.  R.  /\  0R  <R  x )  ->  E! c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )
21 riotacl 5737 . . . . . . . . . 10  |-  ( E! c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x  ->  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )
2220, 21syl 14 . . . . . . . . 9  |-  ( ( x  e.  R.  /\  0R  <R  x )  -> 
( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )
2322adantll 467 . . . . . . . 8  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )
2417, 19, 23rspcdva 2789 . . . . . . 7  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  E. j  e.  N.  A. k  e. 
N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) ) )
25 nfv 1508 . . . . . . . . . . 11  |-  F/ j
ph
26 nfv 1508 . . . . . . . . . . . 12  |-  F/ j  a  e.  P.
27 nfcv 2279 . . . . . . . . . . . . 13  |-  F/_ j P.
28 nfre1 2474 . . . . . . . . . . . . 13  |-  F/ j E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) )
2927, 28nfralya 2471 . . . . . . . . . . . 12  |-  F/ j A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) )
3026, 29nfan 1544 . . . . . . . . . . 11  |-  F/ j ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) )
3125, 30nfan 1544 . . . . . . . . . 10  |-  F/ j ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )
32 nfv 1508 . . . . . . . . . 10  |-  F/ j  x  e.  R.
3331, 32nfan 1544 . . . . . . . . 9  |-  F/ j ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )
34 nfv 1508 . . . . . . . . 9  |-  F/ j 0R  <R  x
3533, 34nfan 1544 . . . . . . . 8  |-  F/ j ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )
36 nfv 1508 . . . . . . . . . . . 12  |-  F/ k
ph
37 nfv 1508 . . . . . . . . . . . . 13  |-  F/ k  a  e.  P.
38 nfcv 2279 . . . . . . . . . . . . . 14  |-  F/_ k P.
39 nfcv 2279 . . . . . . . . . . . . . . 15  |-  F/_ k N.
40 nfra1 2464 . . . . . . . . . . . . . . 15  |-  F/ k A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) )
4139, 40nfrexya 2472 . . . . . . . . . . . . . 14  |-  F/ k E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) )
4238, 41nfralya 2471 . . . . . . . . . . . . 13  |-  F/ k A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) )
4337, 42nfan 1544 . . . . . . . . . . . 12  |-  F/ k ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) )
4436, 43nfan 1544 . . . . . . . . . . 11  |-  F/ k ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )
45 nfv 1508 . . . . . . . . . . 11  |-  F/ k  x  e.  R.
4644, 45nfan 1544 . . . . . . . . . 10  |-  F/ k ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )
47 nfv 1508 . . . . . . . . . 10  |-  F/ k 0R  <R  x
4846, 47nfan 1544 . . . . . . . . 9  |-  F/ k ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )
495ad4antr 485 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) : N. --> P. )
50 simpr 109 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  k  e.  N. )
5149, 50ffvelrnd 5549 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  e.  P. )
52 simplrl 524 . . . . . . . . . . . . . . . 16  |-  ( ( ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )  /\  x  e.  R. )  ->  a  e.  P. )
5352adantr 274 . . . . . . . . . . . . . . 15  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  a  e.  P. )
54 addclpr 7338 . . . . . . . . . . . . . . 15  |-  ( ( a  e.  P.  /\  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )  ->  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )
5553, 23, 54syl2anc 408 . . . . . . . . . . . . . 14  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )
5655adantr 274 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )
57 prsrlt 7588 . . . . . . . . . . . . 13  |-  ( ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  e.  P.  /\  ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  [ <. (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  <R  [
<. ( ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  ) )
5851, 56, 57syl2anc 408 . . . . . . . . . . . 12  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  [ <. (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  <R  [
<. ( ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  ) )
591, 2, 3, 4caucvgsrlemfv 7592 . . . . . . . . . . . . . . . 16  |-  ( (
ph  /\  k  e.  N. )  ->  [ <. ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  =  ( F `  k ) )
6059adantlr 468 . . . . . . . . . . . . . . 15  |-  ( ( ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )  /\  k  e.  N. )  ->  [ <. (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  =  ( F `  k ) )
6160adantlr 468 . . . . . . . . . . . . . 14  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  k  e.  N. )  ->  [ <. ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  =  ( F `  k ) )
6261adantlr 468 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  [ <. ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  1P ) ,  1P >. ]  ~R  =  ( F `  k ) )
63 prsradd 7587 . . . . . . . . . . . . . . . 16  |-  ( ( a  e.  P.  /\  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )  ->  [ <. (
( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) )
6453, 23, 63syl2anc 408 . . . . . . . . . . . . . . 15  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  [ <. ( ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) )
65 prsrriota 7589 . . . . . . . . . . . . . . . . 17  |-  ( ( x  e.  R.  /\  0R  <R  x )  ->  [ <. ( ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  =  x )
6665oveq2d 5783 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  R.  /\  0R  <R  x )  -> 
( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  [
<. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  )  =  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x ) )
6766adantll 467 . . . . . . . . . . . . . . 15  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  )  =  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x ) )
6864, 67eqtrd 2170 . . . . . . . . . . . . . 14  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  [ <. ( ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) )
6968adantr 274 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  [ <. ( ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) )
7062, 69breq12d 3937 . . . . . . . . . . . 12  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  <R  [ <. ( ( a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  <->  ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) ) )
7158, 70bitrd 187 . . . . . . . . . . 11  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) ) )
7253adantr 274 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  a  e.  P. )
7323adantr 274 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )
74 addclpr 7338 . . . . . . . . . . . . . 14  |-  ( ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  e.  P.  /\  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )  ->  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )
7551, 73, 74syl2anc 408 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )
76 prsrlt 7588 . . . . . . . . . . . . 13  |-  ( ( a  e.  P.  /\  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  e. 
P. )  ->  (
a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  [
<. ( ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  ) )
7772, 75, 76syl2anc 408 . . . . . . . . . . . 12  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  [
<. ( ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  ) )
78 prsradd 7587 . . . . . . . . . . . . . 14  |-  ( ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  e.  P.  /\  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  e.  P. )  ->  [ <. (
( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) )
7951, 73, 78syl2anc 408 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  [ <. ( ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  =  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) )
8079breq2d 3936 . . . . . . . . . . . 12  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  <R  [ <. ( ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  +P. 
1P ) ,  1P >. ]  ~R  <->  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) ) )
8165adantll 467 . . . . . . . . . . . . . . 15  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  [ <. ( ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  =  x )
8281adantr 274 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  [ <. ( ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  =  x )
8362, 82oveq12d 5785 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  )  =  ( ( F `  k )  +R  x ) )
8483breq2d 3936 . . . . . . . . . . . 12  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  <R  ( [ <. ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  1P ) ,  1P >. ]  ~R  +R  [ <. ( ( iota_ c  e. 
P.  [ <. (
c  +P.  1P ) ,  1P >. ]  ~R  =  x )  +P.  1P ) ,  1P >. ]  ~R  ) 
<->  [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  <R  (
( F `  k
)  +R  x ) ) )
8577, 80, 843bitrd 213 . . . . . . . . . . 11  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  <->  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k
)  +R  x ) ) )
8671, 85anbi12d 464 . . . . . . . . . 10  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) )  <-> 
( ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
)  /\  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k
)  +R  x ) ) ) )
8786imbi2d 229 . . . . . . . . 9  |-  ( ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  /\  k  e.  N. )  ->  (
( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) )  <->  ( j  <N 
k  ->  ( ( F `  k )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k )  +R  x
) ) ) ) )
8848, 87ralbida 2429 . . . . . . . 8  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  ( A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  ( iota_ c  e.  P.  [ <. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) )  <->  A. k  e.  N.  ( j  <N  k  ->  ( ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
)  /\  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k
)  +R  x ) ) ) ) )
8935, 88rexbid 2434 . . . . . . 7  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  ( E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) )  /\  a  <P  ( ( ( z  e.  N.  |->  (
iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  ( iota_ c  e.  P.  [
<. ( c  +P.  1P ) ,  1P >. ]  ~R  =  x ) ) ) )  <->  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( F `  k
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k )  +R  x
) ) ) ) )
9024, 89mpbid 146 . . . . . 6  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  E. j  e.  N.  A. k  e. 
N.  ( j  <N 
k  ->  ( ( F `  k )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k )  +R  x
) ) ) )
91 breq2 3928 . . . . . . . . 9  |-  ( k  =  i  ->  (
j  <N  k  <->  j  <N  i ) )
92 fveq2 5414 . . . . . . . . . . 11  |-  ( k  =  i  ->  ( F `  k )  =  ( F `  i ) )
9392breq1d 3934 . . . . . . . . . 10  |-  ( k  =  i  ->  (
( F `  k
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  <->  ( F `  i )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) ) )
9492oveq1d 5782 . . . . . . . . . . 11  |-  ( k  =  i  ->  (
( F `  k
)  +R  x )  =  ( ( F `
 i )  +R  x ) )
9594breq2d 3936 . . . . . . . . . 10  |-  ( k  =  i  ->  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  <R  (
( F `  k
)  +R  x )  <->  [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  <R  (
( F `  i
)  +R  x ) ) )
9693, 95anbi12d 464 . . . . . . . . 9  |-  ( k  =  i  ->  (
( ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
)  /\  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k
)  +R  x ) )  <->  ( ( F `
 i )  <R 
( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) )
9791, 96imbi12d 233 . . . . . . . 8  |-  ( k  =  i  ->  (
( j  <N  k  ->  ( ( F `  k )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
)  /\  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k
)  +R  x ) ) )  <->  ( j  <N  i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )
9897cbvralv 2652 . . . . . . 7  |-  ( A. k  e.  N.  (
j  <N  k  ->  (
( F `  k
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k )  +R  x
) ) )  <->  A. i  e.  N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) )
9998rexbii 2440 . . . . . 6  |-  ( E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( F `  k
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  k )  +R  x
) ) )  <->  E. j  e.  N.  A. i  e. 
N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) )
10090, 99sylib 121 . . . . 5  |-  ( ( ( ( ph  /\  ( a  e.  P.  /\ 
A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  (
j  <N  k  ->  (
( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  <P  ( a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  +P.  b
) ) ) ) )  /\  x  e. 
R. )  /\  0R  <R  x )  ->  E. j  e.  N.  A. i  e. 
N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) )
101100ex 114 . . . 4  |-  ( ( ( ph  /\  (
a  e.  P.  /\  A. b  e.  P.  E. j  e.  N.  A. k  e.  N.  ( j  <N 
k  ->  ( (
( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  <P  ( a  +P.  b
)  /\  a  <P  ( ( ( z  e. 
N.  |->  ( iota_ w  e. 
P.  ( F `  z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k
)  +P.  b )
) ) ) )  /\  x  e.  R. )  ->  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )
102101ralrimiva 2503 . . 3  |-  ( (
ph  /\  ( a  e.  P.  /\  A. b  e.  P.  E. j  e. 
N.  A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) ) ) )  ->  A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )
103 oveq1 5774 . . . . . . . . . 10  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( y  +R  x )  =  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x ) )
104103breq2d 3936 . . . . . . . . 9  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( ( F `  i
)  <R  ( y  +R  x )  <->  ( F `  i )  <R  ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  +R  x
) ) )
105 breq1 3927 . . . . . . . . 9  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( y  <R  ( ( F `  i )  +R  x )  <->  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i
)  +R  x ) ) )
106104, 105anbi12d 464 . . . . . . . 8  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( ( ( F `  i )  <R  (
y  +R  x )  /\  y  <R  (
( F `  i
)  +R  x ) )  <->  ( ( F `
 i )  <R 
( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) )
107106imbi2d 229 . . . . . . 7  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( ( j  <N  i  ->  ( ( F `  i )  <R  (
y  +R  x )  /\  y  <R  (
( F `  i
)  +R  x ) ) )  <->  ( j  <N  i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )
108107rexralbidv 2459 . . . . . 6  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( y  +R  x )  /\  y  <R  ( ( F `  i )  +R  x
) ) )  <->  E. j  e.  N.  A. i  e. 
N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )
109108imbi2d 229 . . . . 5  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( y  +R  x )  /\  y  <R  ( ( F `  i )  +R  x
) ) ) )  <-> 
( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) ) )
110109ralbidv 2435 . . . 4  |-  ( y  =  [ <. (
a  +P.  1P ) ,  1P >. ]  ~R  ->  ( A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( y  +R  x )  /\  y  <R  ( ( F `  i )  +R  x
) ) ) )  <->  A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) ) )
111110rspcev 2784 . . 3  |-  ( ( [ <. ( a  +P. 
1P ) ,  1P >. ]  ~R  e.  R.  /\ 
A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  +R  x )  /\  [ <. ( a  +P.  1P ) ,  1P >. ]  ~R  <R  ( ( F `  i )  +R  x
) ) ) ) )  ->  E. y  e.  R.  A. x  e. 
R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( y  +R  x )  /\  y  <R  ( ( F `  i )  +R  x
) ) ) ) )
11210, 102, 111syl2anc 408 . 2  |-  ( (
ph  /\  ( a  e.  P.  /\  A. b  e.  P.  E. j  e. 
N.  A. k  e.  N.  ( j  <N  k  ->  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `
 z )  =  [ <. ( w  +P.  1P ) ,  1P >. ]  ~R  ) ) `  k )  <P  (
a  +P.  b )  /\  a  <P  ( ( ( z  e.  N.  |->  ( iota_ w  e.  P.  ( F `  z )  =  [ <. (
w  +P.  1P ) ,  1P >. ]  ~R  )
) `  k )  +P.  b ) ) ) ) )  ->  E. y  e.  R.  A. x  e. 
R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e.  N.  (
j  <N  i  ->  (
( F `  i
)  <R  ( y  +R  x )  /\  y  <R  ( ( F `  i )  +R  x
) ) ) ) )
1138, 112rexlimddv 2552 1  |-  ( ph  ->  E. y  e.  R.  A. x  e.  R.  ( 0R  <R  x  ->  E. j  e.  N.  A. i  e. 
N.  ( j  <N 
i  ->  ( ( F `  i )  <R  ( y  +R  x
)  /\  y  <R  ( ( F `  i
)  +R  x ) ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    <-> wb 104    = wceq 1331    e. wcel 1480   {cab 2123   A.wral 2414   E.wrex 2415   E!wreu 2416   <.cop 3525   class class class wbr 3924    |-> cmpt 3984   -->wf 5114   ` cfv 5118   iota_crio 5722  (class class class)co 5767   1oc1o 6299   [cec 6420   N.cnpi 7073    <N clti 7076    ~Q ceq 7080   *Qcrq 7085    <Q cltq 7086   P.cnp 7092   1Pc1p 7093    +P. cpp 7094    <P cltp 7096    ~R cer 7097   R.cnr 7098   0Rc0r 7099   1Rc1r 7100    +R cplr 7102    <R cltr 7104
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 603  ax-in2 604  ax-io 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-13 1491  ax-14 1492  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119  ax-coll 4038  ax-sep 4041  ax-nul 4049  ax-pow 4093  ax-pr 4126  ax-un 4350  ax-setind 4447  ax-iinf 4497
This theorem depends on definitions:  df-bi 116  df-dc 820  df-3or 963  df-3an 964  df-tru 1334  df-fal 1337  df-nf 1437  df-sb 1736  df-eu 2000  df-mo 2001  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-ne 2307  df-ral 2419  df-rex 2420  df-reu 2421  df-rmo 2422  df-rab 2423  df-v 2683  df-sbc 2905  df-csb 2999  df-dif 3068  df-un 3070  df-in 3072  df-ss 3079  df-nul 3359  df-pw 3507  df-sn 3528  df-pr 3529  df-op 3531  df-uni 3732  df-int 3767  df-iun 3810  df-br 3925  df-opab 3985  df-mpt 3986  df-tr 4022  df-eprel 4206  df-id 4210  df-po 4213  df-iso 4214  df-iord 4283  df-on 4285  df-suc 4288  df-iom 4500  df-xp 4540  df-rel 4541  df-cnv 4542  df-co 4543  df-dm 4544  df-rn 4545  df-res 4546  df-ima 4547  df-iota 5083  df-fun 5120  df-fn 5121  df-f 5122  df-f1 5123  df-fo 5124  df-f1o 5125  df-fv 5126  df-riota 5723  df-ov 5770  df-oprab 5771  df-mpo 5772  df-1st 6031  df-2nd 6032  df-recs 6195  df-irdg 6260  df-1o 6306  df-2o 6307  df-oadd 6310  df-omul 6311  df-er 6422  df-ec 6424  df-qs 6428  df-ni 7105  df-pli 7106  df-mi 7107  df-lti 7108  df-plpq 7145  df-mpq 7146  df-enq 7148  df-nqqs 7149  df-plqqs 7150  df-mqqs 7151  df-1nqqs 7152  df-rq 7153  df-ltnqqs 7154  df-enq0 7225  df-nq0 7226  df-0nq0 7227  df-plq0 7228  df-mq0 7229  df-inp 7267  df-i1p 7268  df-iplp 7269  df-iltp 7271  df-enr 7527  df-nr 7528  df-plr 7529  df-ltr 7531  df-0r 7532  df-1r 7533
This theorem is referenced by:  caucvgsrlemoffres  7601
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