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Theorem clim2prod 11502
Description: The limit of an infinite product with an initial segment added. (Contributed by Scott Fenton, 18-Dec-2017.)
Hypotheses
Ref Expression
clim2prod.1  |-  Z  =  ( ZZ>= `  M )
clim2prod.2  |-  ( ph  ->  N  e.  Z )
clim2prod.3  |-  ( (
ph  /\  k  e.  Z )  ->  ( F `  k )  e.  CC )
clim2prod.4  |-  ( ph  ->  seq ( N  + 
1 ) (  x.  ,  F )  ~~>  A )
Assertion
Ref Expression
clim2prod  |-  ( ph  ->  seq M (  x.  ,  F )  ~~>  ( (  seq M (  x.  ,  F ) `  N )  x.  A
) )
Distinct variable groups:    A, k    k, F    ph, k    k, M   
k, N    k, Z

Proof of Theorem clim2prod
Dummy variables  v  n  x are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2170 . 2  |-  ( ZZ>= `  ( N  +  1
) )  =  (
ZZ>= `  ( N  + 
1 ) )
2 clim2prod.1 . . . . 5  |-  Z  =  ( ZZ>= `  M )
3 uzssz 9506 . . . . 5  |-  ( ZZ>= `  M )  C_  ZZ
42, 3eqsstri 3179 . . . 4  |-  Z  C_  ZZ
5 clim2prod.2 . . . 4  |-  ( ph  ->  N  e.  Z )
64, 5sselid 3145 . . 3  |-  ( ph  ->  N  e.  ZZ )
76peano2zd 9337 . 2  |-  ( ph  ->  ( N  +  1 )  e.  ZZ )
8 clim2prod.4 . 2  |-  ( ph  ->  seq ( N  + 
1 ) (  x.  ,  F )  ~~>  A )
95, 2eleqtrdi 2263 . . . . 5  |-  ( ph  ->  N  e.  ( ZZ>= `  M ) )
10 eluzel2 9492 . . . . 5  |-  ( N  e.  ( ZZ>= `  M
)  ->  M  e.  ZZ )
119, 10syl 14 . . . 4  |-  ( ph  ->  M  e.  ZZ )
12 clim2prod.3 . . . 4  |-  ( (
ph  /\  k  e.  Z )  ->  ( F `  k )  e.  CC )
132, 11, 12prodf 11501 . . 3  |-  ( ph  ->  seq M (  x.  ,  F ) : Z --> CC )
1413, 5ffvelrnd 5632 . 2  |-  ( ph  ->  (  seq M (  x.  ,  F ) `
 N )  e.  CC )
15 seqex 10403 . . 3  |-  seq M
(  x.  ,  F
)  e.  _V
1615a1i 9 . 2  |-  ( ph  ->  seq M (  x.  ,  F )  e. 
_V )
17 peano2uz 9542 . . . . . . . 8  |-  ( N  e.  ( ZZ>= `  M
)  ->  ( N  +  1 )  e.  ( ZZ>= `  M )
)
18 uzss 9507 . . . . . . . 8  |-  ( ( N  +  1 )  e.  ( ZZ>= `  M
)  ->  ( ZZ>= `  ( N  +  1
) )  C_  ( ZZ>=
`  M ) )
199, 17, 183syl 17 . . . . . . 7  |-  ( ph  ->  ( ZZ>= `  ( N  +  1 ) ) 
C_  ( ZZ>= `  M
) )
2019, 2sseqtrrdi 3196 . . . . . 6  |-  ( ph  ->  ( ZZ>= `  ( N  +  1 ) ) 
C_  Z )
2120sselda 3147 . . . . 5  |-  ( (
ph  /\  k  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  k  e.  Z )
2221, 12syldan 280 . . . 4  |-  ( (
ph  /\  k  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( F `  k )  e.  CC )
231, 7, 22prodf 11501 . . 3  |-  ( ph  ->  seq ( N  + 
1 ) (  x.  ,  F ) : ( ZZ>= `  ( N  +  1 ) ) --> CC )
2423ffvelrnda 5631 . 2  |-  ( (
ph  /\  k  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq ( N  +  1
) (  x.  ,  F ) `  k
)  e.  CC )
25 fveq2 5496 . . . . . 6  |-  ( x  =  ( N  + 
1 )  ->  (  seq M (  x.  ,  F ) `  x
)  =  (  seq M (  x.  ,  F ) `  ( N  +  1 ) ) )
26 fveq2 5496 . . . . . . 7  |-  ( x  =  ( N  + 
1 )  ->  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
)  =  (  seq ( N  +  1 ) (  x.  ,  F ) `  ( N  +  1 ) ) )
2726oveq2d 5869 . . . . . 6  |-  ( x  =  ( N  + 
1 )  ->  (
(  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( N  + 
1 ) ) ) )
2825, 27eqeq12d 2185 . . . . 5  |-  ( x  =  ( N  + 
1 )  ->  (
(  seq M (  x.  ,  F ) `  x )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 x ) )  <-> 
(  seq M (  x.  ,  F ) `  ( N  +  1
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( N  + 
1 ) ) ) ) )
2928imbi2d 229 . . . 4  |-  ( x  =  ( N  + 
1 )  ->  (
( ph  ->  (  seq M (  x.  ,  F ) `  x
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) ) )  <->  ( ph  ->  (  seq M (  x.  ,  F ) `
 ( N  + 
1 ) )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  ( N  +  1 ) ) ) ) ) )
30 fveq2 5496 . . . . . 6  |-  ( x  =  n  ->  (  seq M (  x.  ,  F ) `  x
)  =  (  seq M (  x.  ,  F ) `  n
) )
31 fveq2 5496 . . . . . . 7  |-  ( x  =  n  ->  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
)  =  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )
3231oveq2d 5869 . . . . . 6  |-  ( x  =  n  ->  (
(  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 n ) ) )
3330, 32eqeq12d 2185 . . . . 5  |-  ( x  =  n  ->  (
(  seq M (  x.  ,  F ) `  x )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 x ) )  <-> 
(  seq M (  x.  ,  F ) `  n )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 n ) ) ) )
3433imbi2d 229 . . . 4  |-  ( x  =  n  ->  (
( ph  ->  (  seq M (  x.  ,  F ) `  x
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) ) )  <->  ( ph  ->  (  seq M (  x.  ,  F ) `
 n )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  n )
) ) ) )
35 fveq2 5496 . . . . . 6  |-  ( x  =  ( n  + 
1 )  ->  (  seq M (  x.  ,  F ) `  x
)  =  (  seq M (  x.  ,  F ) `  (
n  +  1 ) ) )
36 fveq2 5496 . . . . . . 7  |-  ( x  =  ( n  + 
1 )  ->  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
)  =  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) )
3736oveq2d 5869 . . . . . 6  |-  ( x  =  ( n  + 
1 )  ->  (
(  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( n  + 
1 ) ) ) )
3835, 37eqeq12d 2185 . . . . 5  |-  ( x  =  ( n  + 
1 )  ->  (
(  seq M (  x.  ,  F ) `  x )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 x ) )  <-> 
(  seq M (  x.  ,  F ) `  ( n  +  1
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( n  + 
1 ) ) ) ) )
3938imbi2d 229 . . . 4  |-  ( x  =  ( n  + 
1 )  ->  (
( ph  ->  (  seq M (  x.  ,  F ) `  x
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) ) )  <->  ( ph  ->  (  seq M (  x.  ,  F ) `
 ( n  + 
1 ) )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  ( n  +  1 ) ) ) ) ) )
40 fveq2 5496 . . . . . 6  |-  ( x  =  k  ->  (  seq M (  x.  ,  F ) `  x
)  =  (  seq M (  x.  ,  F ) `  k
) )
41 fveq2 5496 . . . . . . 7  |-  ( x  =  k  ->  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
)  =  (  seq ( N  +  1 ) (  x.  ,  F ) `  k
) )
4241oveq2d 5869 . . . . . 6  |-  ( x  =  k  ->  (
(  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 k ) ) )
4340, 42eqeq12d 2185 . . . . 5  |-  ( x  =  k  ->  (
(  seq M (  x.  ,  F ) `  x )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 x ) )  <-> 
(  seq M (  x.  ,  F ) `  k )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 k ) ) ) )
4443imbi2d 229 . . . 4  |-  ( x  =  k  ->  (
( ph  ->  (  seq M (  x.  ,  F ) `  x
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  x
) ) )  <->  ( ph  ->  (  seq M (  x.  ,  F ) `
 k )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  k )
) ) ) )
452eleq2i 2237 . . . . . . . 8  |-  ( k  e.  Z  <->  k  e.  ( ZZ>= `  M )
)
4645, 12sylan2br 286 . . . . . . 7  |-  ( (
ph  /\  k  e.  ( ZZ>= `  M )
)  ->  ( F `  k )  e.  CC )
47 mulcl 7901 . . . . . . . 8  |-  ( ( k  e.  CC  /\  v  e.  CC )  ->  ( k  x.  v
)  e.  CC )
4847adantl 275 . . . . . . 7  |-  ( (
ph  /\  ( k  e.  CC  /\  v  e.  CC ) )  -> 
( k  x.  v
)  e.  CC )
499, 46, 48seq3p1 10418 . . . . . 6  |-  ( ph  ->  (  seq M (  x.  ,  F ) `
 ( N  + 
1 ) )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  ( F `  ( N  +  1 ) ) ) )
507, 22, 48seq3-1 10416 . . . . . . 7  |-  ( ph  ->  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( N  + 
1 ) )  =  ( F `  ( N  +  1 ) ) )
5150oveq2d 5869 . . . . . 6  |-  ( ph  ->  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  ( N  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  ( F `  ( N  +  1 ) ) ) )
5249, 51eqtr4d 2206 . . . . 5  |-  ( ph  ->  (  seq M (  x.  ,  F ) `
 ( N  + 
1 ) )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  ( N  +  1 ) ) ) )
5352a1i 9 . . . 4  |-  ( ( N  +  1 )  e.  ZZ  ->  ( ph  ->  (  seq M
(  x.  ,  F
) `  ( N  +  1 ) )  =  ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  ( N  +  1 ) ) ) ) )
5419sselda 3147 . . . . . . . . . 10  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  n  e.  ( ZZ>= `  M )
)
5546adantlr 474 . . . . . . . . . 10  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  k  e.  ( ZZ>= `  M )
)  ->  ( F `  k )  e.  CC )
5647adantl 275 . . . . . . . . . 10  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  ( k  e.  CC  /\  v  e.  CC ) )  -> 
( k  x.  v
)  e.  CC )
5754, 55, 56seq3p1 10418 . . . . . . . . 9  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq M (  x.  ,  F ) `  (
n  +  1 ) )  =  ( (  seq M (  x.  ,  F ) `  n )  x.  ( F `  ( n  +  1 ) ) ) )
5857adantr 274 . . . . . . . 8  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
(  seq M (  x.  ,  F ) `  ( n  +  1
) )  =  ( (  seq M (  x.  ,  F ) `
 n )  x.  ( F `  (
n  +  1 ) ) ) )
59 oveq1 5860 . . . . . . . . 9  |-  ( (  seq M (  x.  ,  F ) `  n )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 n ) )  ->  ( (  seq M (  x.  ,  F ) `  n
)  x.  ( F `
 ( n  + 
1 ) ) )  =  ( ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  x.  ( F `  ( n  +  1 ) ) ) )
6059adantl 275 . . . . . . . 8  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
( (  seq M
(  x.  ,  F
) `  n )  x.  ( F `  (
n  +  1 ) ) )  =  ( ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  n )
)  x.  ( F `
 ( n  + 
1 ) ) ) )
6114adantr 274 . . . . . . . . . . 11  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq M (  x.  ,  F ) `  N
)  e.  CC )
6223ffvelrnda 5631 . . . . . . . . . . 11  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq ( N  +  1
) (  x.  ,  F ) `  n
)  e.  CC )
63 peano2uz 9542 . . . . . . . . . . . . . 14  |-  ( n  e.  ( ZZ>= `  M
)  ->  ( n  +  1 )  e.  ( ZZ>= `  M )
)
6463, 2eleqtrrdi 2264 . . . . . . . . . . . . 13  |-  ( n  e.  ( ZZ>= `  M
)  ->  ( n  +  1 )  e.  Z )
6554, 64syl 14 . . . . . . . . . . . 12  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( n  +  1 )  e.  Z )
6612ralrimiva 2543 . . . . . . . . . . . . 13  |-  ( ph  ->  A. k  e.  Z  ( F `  k )  e.  CC )
67 fveq2 5496 . . . . . . . . . . . . . . 15  |-  ( k  =  ( n  + 
1 )  ->  ( F `  k )  =  ( F `  ( n  +  1
) ) )
6867eleq1d 2239 . . . . . . . . . . . . . 14  |-  ( k  =  ( n  + 
1 )  ->  (
( F `  k
)  e.  CC  <->  ( F `  ( n  +  1 ) )  e.  CC ) )
6968rspcv 2830 . . . . . . . . . . . . 13  |-  ( ( n  +  1 )  e.  Z  ->  ( A. k  e.  Z  ( F `  k )  e.  CC  ->  ( F `  ( n  +  1 ) )  e.  CC ) )
7066, 69mpan9 279 . . . . . . . . . . . 12  |-  ( (
ph  /\  ( n  +  1 )  e.  Z )  ->  ( F `  ( n  +  1 ) )  e.  CC )
7165, 70syldan 280 . . . . . . . . . . 11  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( F `  ( n  +  1 ) )  e.  CC )
7261, 62, 71mulassd 7943 . . . . . . . . . 10  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( (
(  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  x.  ( F `  ( n  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (
(  seq ( N  + 
1 ) (  x.  ,  F ) `  n )  x.  ( F `  ( n  +  1 ) ) ) ) )
7372adantr 274 . . . . . . . . 9  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
( ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  x.  ( F `  ( n  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (
(  seq ( N  + 
1 ) (  x.  ,  F ) `  n )  x.  ( F `  ( n  +  1 ) ) ) ) )
74 simpr 109 . . . . . . . . . . . 12  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  n  e.  ( ZZ>= `  ( N  +  1 ) ) )
7522adantlr 474 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  k  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( F `  k )  e.  CC )
7674, 75, 56seq3p1 10418 . . . . . . . . . . 11  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq ( N  +  1
) (  x.  ,  F ) `  (
n  +  1 ) )  =  ( (  seq ( N  + 
1 ) (  x.  ,  F ) `  n )  x.  ( F `  ( n  +  1 ) ) ) )
7776oveq2d 5869 . . . . . . . . . 10  |-  ( (
ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  ( (  seq ( N  +  1 ) (  x.  ,  F
) `  n )  x.  ( F `  (
n  +  1 ) ) ) ) )
7877adantr 274 . . . . . . . . 9  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  ( n  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (
(  seq ( N  + 
1 ) (  x.  ,  F ) `  n )  x.  ( F `  ( n  +  1 ) ) ) ) )
7973, 78eqtr4d 2206 . . . . . . . 8  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
( ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  x.  ( F `  ( n  +  1 ) ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) ) )
8058, 60, 793eqtrd 2207 . . . . . . 7  |-  ( ( ( ph  /\  n  e.  ( ZZ>= `  ( N  +  1 ) ) )  /\  (  seq M (  x.  ,  F ) `  n
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
(  seq M (  x.  ,  F ) `  ( n  +  1
) )  =  ( (  seq M (  x.  ,  F ) `
 N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `
 ( n  + 
1 ) ) ) )
8180exp31 362 . . . . . 6  |-  ( ph  ->  ( n  e.  (
ZZ>= `  ( N  + 
1 ) )  -> 
( (  seq M
(  x.  ,  F
) `  n )  =  ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  ->  (  seq M (  x.  ,  F ) `  (
n  +  1 ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) ) ) ) )
8281com12 30 . . . . 5  |-  ( n  e.  ( ZZ>= `  ( N  +  1 ) )  ->  ( ph  ->  ( (  seq M
(  x.  ,  F
) `  n )  =  ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) )  ->  (  seq M (  x.  ,  F ) `  (
n  +  1 ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) ) ) ) )
8382a2d 26 . . . 4  |-  ( n  e.  ( ZZ>= `  ( N  +  1 ) )  ->  ( ( ph  ->  (  seq M
(  x.  ,  F
) `  n )  =  ( (  seq M (  x.  ,  F ) `  N
)  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  n
) ) )  -> 
( ph  ->  (  seq M (  x.  ,  F ) `  (
n  +  1 ) )  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  (
n  +  1 ) ) ) ) ) )
8429, 34, 39, 44, 53, 83uzind4 9547 . . 3  |-  ( k  e.  ( ZZ>= `  ( N  +  1 ) )  ->  ( ph  ->  (  seq M (  x.  ,  F ) `
 k )  =  ( (  seq M
(  x.  ,  F
) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F
) `  k )
) ) )
8584impcom 124 . 2  |-  ( (
ph  /\  k  e.  ( ZZ>= `  ( N  +  1 ) ) )  ->  (  seq M (  x.  ,  F ) `  k
)  =  ( (  seq M (  x.  ,  F ) `  N )  x.  (  seq ( N  +  1 ) (  x.  ,  F ) `  k
) ) )
861, 7, 8, 14, 16, 24, 85climmulc2 11294 1  |-  ( ph  ->  seq M (  x.  ,  F )  ~~>  ( (  seq M (  x.  ,  F ) `  N )  x.  A
) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    = wceq 1348    e. wcel 2141   A.wral 2448   _Vcvv 2730    C_ wss 3121   class class class wbr 3989   ` cfv 5198  (class class class)co 5853   CCcc 7772   1c1 7775    + caddc 7777    x. cmul 7779   ZZcz 9212   ZZ>=cuz 9487    seqcseq 10401    ~~> cli 11241
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4104  ax-sep 4107  ax-nul 4115  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-iinf 4572  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-mulrcl 7873  ax-addcom 7874  ax-mulcom 7875  ax-addass 7876  ax-mulass 7877  ax-distr 7878  ax-i2m1 7879  ax-0lt1 7880  ax-1rid 7881  ax-0id 7882  ax-rnegex 7883  ax-precex 7884  ax-cnre 7885  ax-pre-ltirr 7886  ax-pre-ltwlin 7887  ax-pre-lttrn 7888  ax-pre-apti 7889  ax-pre-ltadd 7890  ax-pre-mulgt0 7891  ax-pre-mulext 7892  ax-arch 7893  ax-caucvg 7894
This theorem depends on definitions:  df-bi 116  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-nel 2436  df-ral 2453  df-rex 2454  df-reu 2455  df-rmo 2456  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-if 3527  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-iun 3875  df-br 3990  df-opab 4051  df-mpt 4052  df-tr 4088  df-id 4278  df-po 4281  df-iso 4282  df-iord 4351  df-on 4353  df-ilim 4354  df-suc 4356  df-iom 4575  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-1st 6119  df-2nd 6120  df-recs 6284  df-frec 6370  df-pnf 7956  df-mnf 7957  df-xr 7958  df-ltxr 7959  df-le 7960  df-sub 8092  df-neg 8093  df-reap 8494  df-ap 8501  df-div 8590  df-inn 8879  df-2 8937  df-3 8938  df-4 8939  df-n0 9136  df-z 9213  df-uz 9488  df-rp 9611  df-seqfrec 10402  df-exp 10476  df-cj 10806  df-re 10807  df-im 10808  df-rsqrt 10962  df-abs 10963  df-clim 11242
This theorem is referenced by:  ntrivcvgap  11511
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