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Theorem coeeu 20097
Description: Uniqueness of the coefficient function. (Contributed by Mario Carneiro, 22-Jul-2014.) (Revised by Mario Carneiro, 23-Aug-2014.)
Assertion
Ref Expression
coeeu  |-  ( F  e.  (Poly `  S
)  ->  E! a  e.  ( CC  ^m  NN0 ) E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) ) )
Distinct variable groups:    z, k    n, a, F    S, a, n    k, a, z, n
Allowed substitution hints:    S( z, k)    F( z, k)

Proof of Theorem coeeu
Dummy variables  b 
j  m  w are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 plyssc 20072 . . . . 5  |-  (Poly `  S )  C_  (Poly `  CC )
21sseli 3304 . . . 4  |-  ( F  e.  (Poly `  S
)  ->  F  e.  (Poly `  CC ) )
3 elply2 20068 . . . . . 6  |-  ( F  e.  (Poly `  CC ) 
<->  ( CC  C_  CC  /\ 
E. n  e.  NN0  E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) ) ) )
43simprbi 451 . . . . 5  |-  ( F  e.  (Poly `  CC )  ->  E. n  e.  NN0  E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) ) )
5 rexcom 2829 . . . . 5  |-  ( E. n  e.  NN0  E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  <->  E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) E. n  e. 
NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) ) )
64, 5sylib 189 . . . 4  |-  ( F  e.  (Poly `  CC )  ->  E. a  e.  ( ( CC  u.  {
0 } )  ^m  NN0 ) E. n  e. 
NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) ) )
72, 6syl 16 . . 3  |-  ( F  e.  (Poly `  S
)  ->  E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) E. n  e. 
NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) ) )
8 0cn 9040 . . . . . . 7  |-  0  e.  CC
9 snssi 3902 . . . . . . 7  |-  ( 0  e.  CC  ->  { 0 }  C_  CC )
108, 9ax-mp 8 . . . . . 6  |-  { 0 }  C_  CC
11 ssequn2 3480 . . . . . 6  |-  ( { 0 }  C_  CC  <->  ( CC  u.  { 0 } )  =  CC )
1210, 11mpbi 200 . . . . 5  |-  ( CC  u.  { 0 } )  =  CC
1312oveq1i 6050 . . . 4  |-  ( ( CC  u.  { 0 } )  ^m  NN0 )  =  ( CC  ^m 
NN0 )
1413rexeqi 2869 . . 3  |-  ( E. a  e.  ( ( CC  u.  { 0 } )  ^m  NN0 ) E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  <->  E. a  e.  ( CC  ^m  NN0 ) E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) ) )
157, 14sylib 189 . 2  |-  ( F  e.  (Poly `  S
)  ->  E. a  e.  ( CC  ^m  NN0 ) E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) ) )
16 reeanv 2835 . . . 4  |-  ( E. n  e.  NN0  E. m  e.  NN0  ( ( ( a " ( ZZ>= `  ( n  +  1
) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )  <->  ( E. n  e.  NN0  ( ( a " ( ZZ>= `  ( n  +  1
) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  E. m  e.  NN0  (
( b " ( ZZ>=
`  ( m  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )
17 simp1l 981 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  F  e.  (Poly `  S ) )
18 simp1rl 1022 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  a  e.  ( CC  ^m  NN0 )
)
19 simp1rr 1023 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  b  e.  ( CC  ^m  NN0 )
)
20 simp2l 983 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  n  e.  NN0 )
21 simp2r 984 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  m  e.  NN0 )
22 simp3ll 1028 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 } )
23 simp3rl 1030 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 } )
24 simp3lr 1029 . . . . . . . 8  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )
25 oveq1 6047 . . . . . . . . . . . 12  |-  ( z  =  w  ->  (
z ^ k )  =  ( w ^
k ) )
2625oveq2d 6056 . . . . . . . . . . 11  |-  ( z  =  w  ->  (
( a `  k
)  x.  ( z ^ k ) )  =  ( ( a `
 k )  x.  ( w ^ k
) ) )
2726sumeq2sdv 12453 . . . . . . . . . 10  |-  ( z  =  w  ->  sum_ k  e.  ( 0 ... n
) ( ( a `
 k )  x.  ( z ^ k
) )  =  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( w ^ k ) ) )
28 fveq2 5687 . . . . . . . . . . . 12  |-  ( k  =  j  ->  (
a `  k )  =  ( a `  j ) )
29 oveq2 6048 . . . . . . . . . . . 12  |-  ( k  =  j  ->  (
w ^ k )  =  ( w ^
j ) )
3028, 29oveq12d 6058 . . . . . . . . . . 11  |-  ( k  =  j  ->  (
( a `  k
)  x.  ( w ^ k ) )  =  ( ( a `
 j )  x.  ( w ^ j
) ) )
3130cbvsumv 12445 . . . . . . . . . 10  |-  sum_ k  e.  ( 0 ... n
) ( ( a `
 k )  x.  ( w ^ k
) )  =  sum_ j  e.  ( 0 ... n ) ( ( a `  j
)  x.  ( w ^ j ) )
3227, 31syl6eq 2452 . . . . . . . . 9  |-  ( z  =  w  ->  sum_ k  e.  ( 0 ... n
) ( ( a `
 k )  x.  ( z ^ k
) )  =  sum_ j  e.  ( 0 ... n ) ( ( a `  j
)  x.  ( w ^ j ) ) )
3332cbvmptv 4260 . . . . . . . 8  |-  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n
) ( ( a `
 k )  x.  ( z ^ k
) ) )  =  ( w  e.  CC  |->  sum_ j  e.  ( 0 ... n ) ( ( a `  j
)  x.  ( w ^ j ) ) )
3424, 33syl6eq 2452 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  F  =  ( w  e.  CC  |->  sum_ j  e.  ( 0 ... n ) ( ( a `  j
)  x.  ( w ^ j ) ) ) )
35 simp3rr 1031 . . . . . . . 8  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) )
3625oveq2d 6056 . . . . . . . . . . 11  |-  ( z  =  w  ->  (
( b `  k
)  x.  ( z ^ k ) )  =  ( ( b `
 k )  x.  ( w ^ k
) ) )
3736sumeq2sdv 12453 . . . . . . . . . 10  |-  ( z  =  w  ->  sum_ k  e.  ( 0 ... m
) ( ( b `
 k )  x.  ( z ^ k
) )  =  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( w ^ k ) ) )
38 fveq2 5687 . . . . . . . . . . . 12  |-  ( k  =  j  ->  (
b `  k )  =  ( b `  j ) )
3938, 29oveq12d 6058 . . . . . . . . . . 11  |-  ( k  =  j  ->  (
( b `  k
)  x.  ( w ^ k ) )  =  ( ( b `
 j )  x.  ( w ^ j
) ) )
4039cbvsumv 12445 . . . . . . . . . 10  |-  sum_ k  e.  ( 0 ... m
) ( ( b `
 k )  x.  ( w ^ k
) )  =  sum_ j  e.  ( 0 ... m ) ( ( b `  j
)  x.  ( w ^ j ) )
4137, 40syl6eq 2452 . . . . . . . . 9  |-  ( z  =  w  ->  sum_ k  e.  ( 0 ... m
) ( ( b `
 k )  x.  ( z ^ k
) )  =  sum_ j  e.  ( 0 ... m ) ( ( b `  j
)  x.  ( w ^ j ) ) )
4241cbvmptv 4260 . . . . . . . 8  |-  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m
) ( ( b `
 k )  x.  ( z ^ k
) ) )  =  ( w  e.  CC  |->  sum_ j  e.  ( 0 ... m ) ( ( b `  j
)  x.  ( w ^ j ) ) )
4335, 42syl6eq 2452 . . . . . . 7  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  F  =  ( w  e.  CC  |->  sum_ j  e.  ( 0 ... m ) ( ( b `  j
)  x.  ( w ^ j ) ) ) )
4417, 18, 19, 20, 21, 22, 23, 34, 43coeeulem 20096 . . . . . 6  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )  /\  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) ) )  ->  a  =  b )
45443expia 1155 . . . . 5  |-  ( ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  /\  ( n  e.  NN0  /\  m  e.  NN0 )
)  ->  ( (
( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  /\  (
( b " ( ZZ>=
`  ( m  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )  -> 
a  =  b ) )
4645rexlimdvva 2797 . . . 4  |-  ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  -> 
( E. n  e. 
NN0  E. m  e.  NN0  ( ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  ( ( b "
( ZZ>= `  ( m  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )  -> 
a  =  b ) )
4716, 46syl5bir 210 . . 3  |-  ( ( F  e.  (Poly `  S )  /\  (
a  e.  ( CC 
^m  NN0 )  /\  b  e.  ( CC  ^m  NN0 ) ) )  -> 
( ( E. n  e.  NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  E. m  e.  NN0  (
( b " ( ZZ>=
`  ( m  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )  -> 
a  =  b ) )
4847ralrimivva 2758 . 2  |-  ( F  e.  (Poly `  S
)  ->  A. a  e.  ( CC  ^m  NN0 ) A. b  e.  ( CC  ^m  NN0 )
( ( E. n  e.  NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  E. m  e.  NN0  (
( b " ( ZZ>=
`  ( m  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )  -> 
a  =  b ) )
49 imaeq1 5157 . . . . . . 7  |-  ( a  =  b  ->  (
a " ( ZZ>= `  ( n  +  1
) ) )  =  ( b " ( ZZ>=
`  ( n  + 
1 ) ) ) )
5049eqeq1d 2412 . . . . . 6  |-  ( a  =  b  ->  (
( a " ( ZZ>=
`  ( n  + 
1 ) ) )  =  { 0 }  <-> 
( b " ( ZZ>=
`  ( n  + 
1 ) ) )  =  { 0 } ) )
51 fveq1 5686 . . . . . . . . . 10  |-  ( a  =  b  ->  (
a `  k )  =  ( b `  k ) )
5251oveq1d 6055 . . . . . . . . 9  |-  ( a  =  b  ->  (
( a `  k
)  x.  ( z ^ k ) )  =  ( ( b `
 k )  x.  ( z ^ k
) ) )
5352sumeq2sdv 12453 . . . . . . . 8  |-  ( a  =  b  ->  sum_ k  e.  ( 0 ... n
) ( ( a `
 k )  x.  ( z ^ k
) )  =  sum_ k  e.  ( 0 ... n ) ( ( b `  k
)  x.  ( z ^ k ) ) )
5453mpteq2dv 4256 . . . . . . 7  |-  ( a  =  b  ->  (
z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) )  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n
) ( ( b `
 k )  x.  ( z ^ k
) ) ) )
5554eqeq2d 2415 . . . . . 6  |-  ( a  =  b  ->  ( F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) )  <->  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )
5650, 55anbi12d 692 . . . . 5  |-  ( a  =  b  ->  (
( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  <->  ( (
b " ( ZZ>= `  ( n  +  1
) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) ) )
5756rexbidv 2687 . . . 4  |-  ( a  =  b  ->  ( E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  <->  E. n  e.  NN0  ( ( b
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) ) )
58 oveq1 6047 . . . . . . . . 9  |-  ( n  =  m  ->  (
n  +  1 )  =  ( m  + 
1 ) )
5958fveq2d 5691 . . . . . . . 8  |-  ( n  =  m  ->  ( ZZ>=
`  ( n  + 
1 ) )  =  ( ZZ>= `  ( m  +  1 ) ) )
6059imaeq2d 5162 . . . . . . 7  |-  ( n  =  m  ->  (
b " ( ZZ>= `  ( n  +  1
) ) )  =  ( b " ( ZZ>=
`  ( m  + 
1 ) ) ) )
6160eqeq1d 2412 . . . . . 6  |-  ( n  =  m  ->  (
( b " ( ZZ>=
`  ( n  + 
1 ) ) )  =  { 0 }  <-> 
( b " ( ZZ>=
`  ( m  + 
1 ) ) )  =  { 0 } ) )
62 oveq2 6048 . . . . . . . . 9  |-  ( n  =  m  ->  (
0 ... n )  =  ( 0 ... m
) )
6362sumeq1d 12450 . . . . . . . 8  |-  ( n  =  m  ->  sum_ k  e.  ( 0 ... n
) ( ( b `
 k )  x.  ( z ^ k
) )  =  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) )
6463mpteq2dv 4256 . . . . . . 7  |-  ( n  =  m  ->  (
z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k
)  x.  ( z ^ k ) ) )  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m
) ( ( b `
 k )  x.  ( z ^ k
) ) ) )
6564eqeq2d 2415 . . . . . 6  |-  ( n  =  m  ->  ( F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k )  x.  (
z ^ k ) ) )  <->  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k
)  x.  ( z ^ k ) ) ) ) )
6661, 65anbi12d 692 . . . . 5  |-  ( n  =  m  ->  (
( ( b "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k
)  x.  ( z ^ k ) ) ) )  <->  ( (
b " ( ZZ>= `  ( m  +  1
) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) ) )
6766cbvrexv 2893 . . . 4  |-  ( E. n  e.  NN0  (
( b " ( ZZ>=
`  ( n  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( b `  k
)  x.  ( z ^ k ) ) ) )  <->  E. m  e.  NN0  ( ( b
" ( ZZ>= `  (
m  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) )
6857, 67syl6bb 253 . . 3  |-  ( a  =  b  ->  ( E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  <->  E. m  e.  NN0  ( ( b
" ( ZZ>= `  (
m  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) ) )
6968reu4 3088 . 2  |-  ( E! a  e.  ( CC 
^m  NN0 ) E. n  e.  NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  <->  ( E. a  e.  ( CC  ^m 
NN0 ) E. n  e.  NN0  ( ( a
" ( ZZ>= `  (
n  +  1 ) ) )  =  {
0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k )  x.  (
z ^ k ) ) ) )  /\  A. a  e.  ( CC 
^m  NN0 ) A. b  e.  ( CC  ^m  NN0 ) ( ( E. n  e.  NN0  (
( a " ( ZZ>=
`  ( n  + 
1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) )  /\  E. m  e.  NN0  ( ( b " ( ZZ>= `  ( m  +  1
) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... m ) ( ( b `  k )  x.  (
z ^ k ) ) ) ) )  ->  a  =  b ) ) )
7015, 48, 69sylanbrc 646 1  |-  ( F  e.  (Poly `  S
)  ->  E! a  e.  ( CC  ^m  NN0 ) E. n  e.  NN0  ( ( a "
( ZZ>= `  ( n  +  1 ) ) )  =  { 0 }  /\  F  =  ( z  e.  CC  |->  sum_ k  e.  ( 0 ... n ) ( ( a `  k
)  x.  ( z ^ k ) ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    /\ w3a 936    = wceq 1649    e. wcel 1721   A.wral 2666   E.wrex 2667   E!wreu 2668    u. cun 3278    C_ wss 3280   {csn 3774    e. cmpt 4226   "cima 4840   ` cfv 5413  (class class class)co 6040    ^m cmap 6977   CCcc 8944   0cc0 8946   1c1 8947    + caddc 8949    x. cmul 8951   NN0cn0 10177   ZZ>=cuz 10444   ...cfz 10999   ^cexp 11337   sum_csu 12434  Polycply 20056
This theorem is referenced by:  coelem  20098  coeeq  20099
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1662  ax-8 1683  ax-13 1723  ax-14 1725  ax-6 1740  ax-7 1745  ax-11 1757  ax-12 1946  ax-ext 2385  ax-rep 4280  ax-sep 4290  ax-nul 4298  ax-pow 4337  ax-pr 4363  ax-un 4660  ax-inf2 7552  ax-cnex 9002  ax-resscn 9003  ax-1cn 9004  ax-icn 9005  ax-addcl 9006  ax-addrcl 9007  ax-mulcl 9008  ax-mulrcl 9009  ax-mulcom 9010  ax-addass 9011  ax-mulass 9012  ax-distr 9013  ax-i2m1 9014  ax-1ne0 9015  ax-1rid 9016  ax-rnegex 9017  ax-rrecex 9018  ax-cnre 9019  ax-pre-lttri 9020  ax-pre-lttrn 9021  ax-pre-ltadd 9022  ax-pre-mulgt0 9023  ax-pre-sup 9024  ax-addf 9025
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2258  df-mo 2259  df-clab 2391  df-cleq 2397  df-clel 2400  df-nfc 2529  df-ne 2569  df-nel 2570  df-ral 2671  df-rex 2672  df-reu 2673  df-rmo 2674  df-rab 2675  df-v 2918  df-sbc 3122  df-csb 3212  df-dif 3283  df-un 3285  df-in 3287  df-ss 3294  df-pss 3296  df-nul 3589  df-if 3700  df-pw 3761  df-sn 3780  df-pr 3781  df-tp 3782  df-op 3783  df-uni 3976  df-int 4011  df-iun 4055  df-br 4173  df-opab 4227  df-mpt 4228  df-tr 4263  df-eprel 4454  df-id 4458  df-po 4463  df-so 4464  df-fr 4501  df-se 4502  df-we 4503  df-ord 4544  df-on 4545  df-lim 4546  df-suc 4547  df-om 4805  df-xp 4843  df-rel 4844  df-cnv 4845  df-co 4846  df-dm 4847  df-rn 4848  df-res 4849  df-ima 4850  df-iota 5377  df-fun 5415  df-fn 5416  df-f 5417  df-f1 5418  df-fo 5419  df-f1o 5420  df-fv 5421  df-isom 5422  df-ov 6043  df-oprab 6044  df-mpt2 6045  df-of 6264  df-1st 6308  df-2nd 6309  df-riota 6508  df-recs 6592  df-rdg 6627  df-1o 6683  df-oadd 6687  df-er 6864  df-map 6979  df-pm 6980  df-en 7069  df-dom 7070  df-sdom 7071  df-fin 7072  df-sup 7404  df-oi 7435  df-card 7782  df-pnf 9078  df-mnf 9079  df-xr 9080  df-ltxr 9081  df-le 9082  df-sub 9249  df-neg 9250  df-div 9634  df-nn 9957  df-2 10014  df-3 10015  df-n0 10178  df-z 10239  df-uz 10445  df-rp 10569  df-fz 11000  df-fzo 11091  df-fl 11157  df-seq 11279  df-exp 11338  df-hash 11574  df-cj 11859  df-re 11860  df-im 11861  df-sqr 11995  df-abs 11996  df-clim 12237  df-rlim 12238  df-sum 12435  df-0p 19515  df-ply 20060
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