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Description: Express the S th power of the finite series in terms of the number of representations of integers m as sums of S terms. This is a general formulation which allows logarithmic weighting of the sums (see https://mathoverflow.net/questions/253246) and a mix of different smoothing functions taken into account in L . See breprexpnat for the simple case presented in the proposition of Nathanson p. 123. (Contributed by Thierry Arnoux, 6-Dec-2021)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | breprexp.n | |- ( ph -> N e. NN0 ) |
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| breprexp.s | |- ( ph -> S e. NN0 ) |
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| breprexp.z | |- ( ph -> Z e. CC ) |
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| breprexp.h | |- ( ph -> L : ( 0 ..^ S ) --> ( CC ^m NN ) ) |
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| Assertion | breprexp | |- ( ph -> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breprexp.n | |- ( ph -> N e. NN0 ) |
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| 2 | breprexp.s | |- ( ph -> S e. NN0 ) |
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| 3 | breprexp.z | |- ( ph -> Z e. CC ) |
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| 4 | breprexp.h | |- ( ph -> L : ( 0 ..^ S ) --> ( CC ^m NN ) ) |
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| 5 | nn0ssre | |- NN0 C_ RR |
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| 6 | 5 | a1i | |- ( ph -> NN0 C_ RR ) |
| 7 | 6 | sselda | |- ( ( ph /\ S e. NN0 ) -> S e. RR ) |
| 8 | leid | |- ( S e. RR -> S <_ S ) |
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| 9 | 7 8 | syl | |- ( ( ph /\ S e. NN0 ) -> S <_ S ) |
| 10 | breq1 | |- ( t = 0 -> ( t <_ S <-> 0 <_ S ) ) |
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| 11 | oveq2 | |- ( t = 0 -> ( 0 ..^ t ) = ( 0 ..^ 0 ) ) |
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| 12 | 11 | prodeq1d | |- ( t = 0 -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) ) |
| 13 | oveq1 | |- ( t = 0 -> ( t x. N ) = ( 0 x. N ) ) |
|
| 14 | 13 | oveq2d | |- ( t = 0 -> ( 0 ... ( t x. N ) ) = ( 0 ... ( 0 x. N ) ) ) |
| 15 | fveq2 | |- ( t = 0 -> ( repr ` t ) = ( repr ` 0 ) ) |
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| 16 | 15 | oveqd | |- ( t = 0 -> ( ( 1 ... N ) ( repr ` t ) m ) = ( ( 1 ... N ) ( repr ` 0 ) m ) ) |
| 17 | 11 | prodeq1d | |- ( t = 0 -> prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) ) |
| 18 | 17 | oveq1d | |- ( t = 0 -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 19 | 18 | adantr | |- ( ( t = 0 /\ c e. ( ( 1 ... N ) ( repr ` t ) m ) ) -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 20 | 16 19 | sumeq12dv | |- ( t = 0 -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 21 | 20 | adantr | |- ( ( t = 0 /\ m e. ( 0 ... ( t x. N ) ) ) -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 22 | 14 21 | sumeq12dv | |- ( t = 0 -> sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 23 | 12 22 | eqeq12d | |- ( t = 0 -> ( prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 24 | 10 23 | imbi12d | |- ( t = 0 -> ( ( t <_ S -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) <-> ( 0 <_ S -> prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) ) |
| 25 | breq1 | |- ( t = s -> ( t <_ S <-> s <_ S ) ) |
|
| 26 | oveq2 | |- ( t = s -> ( 0 ..^ t ) = ( 0 ..^ s ) ) |
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| 27 | 26 | prodeq1d | |- ( t = s -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) ) |
| 28 | oveq1 | |- ( t = s -> ( t x. N ) = ( s x. N ) ) |
|
| 29 | 28 | oveq2d | |- ( t = s -> ( 0 ... ( t x. N ) ) = ( 0 ... ( s x. N ) ) ) |
| 30 | fveq2 | |- ( t = s -> ( repr ` t ) = ( repr ` s ) ) |
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| 31 | 30 | oveqd | |- ( t = s -> ( ( 1 ... N ) ( repr ` t ) m ) = ( ( 1 ... N ) ( repr ` s ) m ) ) |
| 32 | 26 | prodeq1d | |- ( t = s -> prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) ) |
| 33 | 32 | oveq1d | |- ( t = s -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 34 | 33 | adantr | |- ( ( t = s /\ c e. ( ( 1 ... N ) ( repr ` t ) m ) ) -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 35 | 31 34 | sumeq12dv | |- ( t = s -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 36 | 35 | adantr | |- ( ( t = s /\ m e. ( 0 ... ( t x. N ) ) ) -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 37 | 29 36 | sumeq12dv | |- ( t = s -> sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 38 | 27 37 | eqeq12d | |- ( t = s -> ( prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 39 | 25 38 | imbi12d | |- ( t = s -> ( ( t <_ S -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) <-> ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) ) |
| 40 | breq1 | |- ( t = ( s + 1 ) -> ( t <_ S <-> ( s + 1 ) <_ S ) ) |
|
| 41 | oveq2 | |- ( t = ( s + 1 ) -> ( 0 ..^ t ) = ( 0 ..^ ( s + 1 ) ) ) |
|
| 42 | 41 | prodeq1d | |- ( t = ( s + 1 ) -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) ) |
| 43 | oveq1 | |- ( t = ( s + 1 ) -> ( t x. N ) = ( ( s + 1 ) x. N ) ) |
|
| 44 | 43 | oveq2d | |- ( t = ( s + 1 ) -> ( 0 ... ( t x. N ) ) = ( 0 ... ( ( s + 1 ) x. N ) ) ) |
| 45 | fveq2 | |- ( t = ( s + 1 ) -> ( repr ` t ) = ( repr ` ( s + 1 ) ) ) |
|
| 46 | 45 | oveqd | |- ( t = ( s + 1 ) -> ( ( 1 ... N ) ( repr ` t ) m ) = ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ) |
| 47 | 41 | prodeq1d | |- ( t = ( s + 1 ) -> prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) ) |
| 48 | 47 | oveq1d | |- ( t = ( s + 1 ) -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 49 | 48 | adantr | |- ( ( t = ( s + 1 ) /\ c e. ( ( 1 ... N ) ( repr ` t ) m ) ) -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 50 | 46 49 | sumeq12dv | |- ( t = ( s + 1 ) -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 51 | 50 | adantr | |- ( ( t = ( s + 1 ) /\ m e. ( 0 ... ( t x. N ) ) ) -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 52 | 44 51 | sumeq12dv | |- ( t = ( s + 1 ) -> sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 53 | 42 52 | eqeq12d | |- ( t = ( s + 1 ) -> ( prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 54 | 40 53 | imbi12d | |- ( t = ( s + 1 ) -> ( ( t <_ S -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) <-> ( ( s + 1 ) <_ S -> prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) ) |
| 55 | breq1 | |- ( t = S -> ( t <_ S <-> S <_ S ) ) |
|
| 56 | oveq2 | |- ( t = S -> ( 0 ..^ t ) = ( 0 ..^ S ) ) |
|
| 57 | 56 | prodeq1d | |- ( t = S -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) ) |
| 58 | oveq1 | |- ( t = S -> ( t x. N ) = ( S x. N ) ) |
|
| 59 | 58 | oveq2d | |- ( t = S -> ( 0 ... ( t x. N ) ) = ( 0 ... ( S x. N ) ) ) |
| 60 | fveq2 | |- ( t = S -> ( repr ` t ) = ( repr ` S ) ) |
|
| 61 | 60 | oveqd | |- ( t = S -> ( ( 1 ... N ) ( repr ` t ) m ) = ( ( 1 ... N ) ( repr ` S ) m ) ) |
| 62 | 56 | prodeq1d | |- ( t = S -> prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) ) |
| 63 | 62 | oveq1d | |- ( t = S -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 64 | 63 | adantr | |- ( ( t = S /\ c e. ( ( 1 ... N ) ( repr ` t ) m ) ) -> ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 65 | 61 64 | sumeq12dv | |- ( t = S -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 66 | 65 | adantr | |- ( ( t = S /\ m e. ( 0 ... ( t x. N ) ) ) -> sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 67 | 59 66 | sumeq12dv | |- ( t = S -> sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 68 | 57 67 | eqeq12d | |- ( t = S -> ( prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 69 | 55 68 | imbi12d | |- ( t = S -> ( ( t <_ S -> prod_ a e. ( 0 ..^ t ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( t x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` t ) m ) ( prod_ a e. ( 0 ..^ t ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) <-> ( S <_ S -> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) ) |
| 70 | 0nn0 | |- 0 e. NN0 |
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| 71 | fz1ssnn | |- ( 1 ... N ) C_ NN |
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| 72 | 71 | a1i | |- ( ph -> ( 1 ... N ) C_ NN ) |
| 73 | 0zd | |- ( ph -> 0 e. ZZ ) |
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| 74 | 72 73 1 | repr0 | |- ( ph -> ( ( 1 ... N ) ( repr ` 0 ) 0 ) = if ( 0 = 0 , { (/) } , (/) ) ) |
| 75 | eqid | |- 0 = 0 |
|
| 76 | 75 | iftruei | |- if ( 0 = 0 , { (/) } , (/) ) = { (/) } |
| 77 | 74 76 | eqtrdi | |- ( ph -> ( ( 1 ... N ) ( repr ` 0 ) 0 ) = { (/) } ) |
| 78 | snfi | |- { (/) } e. Fin |
|
| 79 | 77 78 | eqeltrdi | |- ( ph -> ( ( 1 ... N ) ( repr ` 0 ) 0 ) e. Fin ) |
| 80 | fzo0 | |- ( 0 ..^ 0 ) = (/) |
|
| 81 | 80 | prodeq1i | |- prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. (/) ( ( L ` a ) ` ( c ` a ) ) |
| 82 | prod0 | |- prod_ a e. (/) ( ( L ` a ) ` ( c ` a ) ) = 1 |
|
| 83 | 81 82 | eqtri | |- prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) = 1 |
| 84 | 83 | a1i | |- ( ph -> prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) = 1 ) |
| 85 | exp0 | |- ( Z e. CC -> ( Z ^ 0 ) = 1 ) |
|
| 86 | 3 85 | syl | |- ( ph -> ( Z ^ 0 ) = 1 ) |
| 87 | 84 86 | oveq12d | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = ( 1 x. 1 ) ) |
| 88 | ax-1cn | |- 1 e. CC |
|
| 89 | 88 | mulridi | |- ( 1 x. 1 ) = 1 |
| 90 | 87 89 | eqtrdi | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = 1 ) |
| 91 | 90 88 | eqeltrdi | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) e. CC ) |
| 92 | 91 | adantr | |- ( ( ph /\ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ) -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) e. CC ) |
| 93 | 79 92 | fsumcl | |- ( ph -> sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) e. CC ) |
| 94 | oveq2 | |- ( m = 0 -> ( ( 1 ... N ) ( repr ` 0 ) m ) = ( ( 1 ... N ) ( repr ` 0 ) 0 ) ) |
|
| 95 | simpl | |- ( ( m = 0 /\ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ) -> m = 0 ) |
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| 96 | 95 | oveq2d | |- ( ( m = 0 /\ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ) -> ( Z ^ m ) = ( Z ^ 0 ) ) |
| 97 | 96 | oveq2d | |- ( ( m = 0 /\ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ) -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) ) |
| 98 | 94 97 | sumeq12dv | |- ( m = 0 -> sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) ) |
| 99 | 98 | sumsn | |- ( ( 0 e. NN0 /\ sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) e. CC ) -> sum_ m e. { 0 } sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) ) |
| 100 | 70 93 99 | sylancr | |- ( ph -> sum_ m e. { 0 } sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) ) |
| 101 | 77 | sumeq1d | |- ( ph -> sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) 0 ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = sum_ c e. { (/) } ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) ) |
| 102 | 0ex | |- (/) e. _V |
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| 103 | 80 | prodeq1i | |- prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) = prod_ a e. (/) ( ( L ` a ) ` ( (/) ` a ) ) |
| 104 | prod0 | |- prod_ a e. (/) ( ( L ` a ) ` ( (/) ` a ) ) = 1 |
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| 105 | 103 104 | eqtri | |- prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) = 1 |
| 106 | 105 | a1i | |- ( ph -> prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) = 1 ) |
| 107 | 106 88 | eqeltrdi | |- ( ph -> prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) e. CC ) |
| 108 | 86 88 | eqeltrdi | |- ( ph -> ( Z ^ 0 ) e. CC ) |
| 109 | 107 108 | mulcld | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) e. CC ) |
| 110 | fveq1 | |- ( c = (/) -> ( c ` a ) = ( (/) ` a ) ) |
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| 111 | 110 | fveq2d | |- ( c = (/) -> ( ( L ` a ) ` ( c ` a ) ) = ( ( L ` a ) ` ( (/) ` a ) ) ) |
| 112 | 111 | ralrimivw | |- ( c = (/) -> A. a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) = ( ( L ` a ) ` ( (/) ` a ) ) ) |
| 113 | 112 | prodeq2d | |- ( c = (/) -> prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) = prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) ) |
| 114 | 113 | oveq1d | |- ( c = (/) -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) ) |
| 115 | 114 | sumsn | |- ( ( (/) e. _V /\ ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) e. CC ) -> sum_ c e. { (/) } ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) ) |
| 116 | 102 109 115 | sylancr | |- ( ph -> sum_ c e. { (/) } ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) ) |
| 117 | 106 86 | oveq12d | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) = ( 1 x. 1 ) ) |
| 118 | 117 87 90 | 3eqtr2d | |- ( ph -> ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( (/) ` a ) ) x. ( Z ^ 0 ) ) = 1 ) |
| 119 | 116 118 | eqtrd | |- ( ph -> sum_ c e. { (/) } ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ 0 ) ) = 1 ) |
| 120 | 100 101 119 | 3eqtrd | |- ( ph -> sum_ m e. { 0 } sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = 1 ) |
| 121 | 1 | nn0cnd | |- ( ph -> N e. CC ) |
| 122 | 121 | mul02d | |- ( ph -> ( 0 x. N ) = 0 ) |
| 123 | 122 | oveq2d | |- ( ph -> ( 0 ... ( 0 x. N ) ) = ( 0 ... 0 ) ) |
| 124 | fz0sn | |- ( 0 ... 0 ) = { 0 } |
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| 125 | 123 124 | eqtrdi | |- ( ph -> ( 0 ... ( 0 x. N ) ) = { 0 } ) |
| 126 | 125 | sumeq1d | |- ( ph -> sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ m e. { 0 } sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 127 | 80 | prodeq1i | |- prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ a e. (/) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) |
| 128 | prod0 | |- prod_ a e. (/) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = 1 |
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| 129 | 127 128 | eqtri | |- prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = 1 |
| 130 | 129 | a1i | |- ( ph -> prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = 1 ) |
| 131 | 120 126 130 | 3eqtr4rd | |- ( ph -> prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 132 | 131 | a1d | |- ( ph -> ( 0 <_ S -> prod_ a e. ( 0 ..^ 0 ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( 0 x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` 0 ) m ) ( prod_ a e. ( 0 ..^ 0 ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 133 | simpll | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( ph /\ s e. NN0 ) ) |
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| 134 | simplr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
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| 135 | oveq2 | |- ( m = n -> ( ( 1 ... N ) ( repr ` s ) m ) = ( ( 1 ... N ) ( repr ` s ) n ) ) |
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| 136 | oveq2 | |- ( m = n -> ( Z ^ m ) = ( Z ^ n ) ) |
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| 137 | 136 | oveq2d | |- ( m = n -> ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) ) |
| 138 | 137 | adantr | |- ( ( m = n /\ c e. ( ( 1 ... N ) ( repr ` s ) m ) ) -> ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) ) |
| 139 | 135 138 | sumeq12dv | |- ( m = n -> sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) ) |
| 140 | 139 | cbvsumv | |- sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) |
| 141 | 140 | eqeq2i | |- ( prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) ) |
| 142 | simpl | |- ( ( a = i /\ b e. ( 1 ... N ) ) -> a = i ) |
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| 143 | 142 | fveq2d | |- ( ( a = i /\ b e. ( 1 ... N ) ) -> ( L ` a ) = ( L ` i ) ) |
| 144 | 143 | fveq1d | |- ( ( a = i /\ b e. ( 1 ... N ) ) -> ( ( L ` a ) ` b ) = ( ( L ` i ) ` b ) ) |
| 145 | 144 | oveq1d | |- ( ( a = i /\ b e. ( 1 ... N ) ) -> ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) ) |
| 146 | 145 | sumeq2dv | |- ( a = i -> sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ b e. ( 1 ... N ) ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) ) |
| 147 | 146 | cbvprodv | |- prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ i e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) |
| 148 | fveq2 | |- ( b = j -> ( ( L ` i ) ` b ) = ( ( L ` i ) ` j ) ) |
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| 149 | oveq2 | |- ( b = j -> ( Z ^ b ) = ( Z ^ j ) ) |
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| 150 | 148 149 | oveq12d | |- ( b = j -> ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) = ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) ) |
| 151 | 150 | cbvsumv | |- sum_ b e. ( 1 ... N ) ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) = sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) |
| 152 | 151 | a1i | |- ( i e. ( 0 ..^ s ) -> sum_ b e. ( 1 ... N ) ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) = sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) ) |
| 153 | 152 | prodeq2i | |- prod_ i e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` i ) ` b ) x. ( Z ^ b ) ) = prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) |
| 154 | 147 153 | eqtri | |- prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) |
| 155 | fveq2 | |- ( a = i -> ( L ` a ) = ( L ` i ) ) |
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| 156 | fveq2 | |- ( a = i -> ( c ` a ) = ( c ` i ) ) |
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| 157 | 155 156 | fveq12d | |- ( a = i -> ( ( L ` a ) ` ( c ` a ) ) = ( ( L ` i ) ` ( c ` i ) ) ) |
| 158 | 157 | cbvprodv | |- prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) = prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) |
| 159 | 158 | oveq1i | |- ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) x. ( Z ^ n ) ) |
| 160 | 159 | a1i | |- ( c e. ( ( 1 ... N ) ( repr ` s ) n ) -> ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) x. ( Z ^ n ) ) ) |
| 161 | 160 | sumeq2i | |- sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) x. ( Z ^ n ) ) |
| 162 | simpl | |- ( ( c = k /\ i e. ( 0 ..^ s ) ) -> c = k ) |
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| 163 | 162 | fveq1d | |- ( ( c = k /\ i e. ( 0 ..^ s ) ) -> ( c ` i ) = ( k ` i ) ) |
| 164 | 163 | fveq2d | |- ( ( c = k /\ i e. ( 0 ..^ s ) ) -> ( ( L ` i ) ` ( c ` i ) ) = ( ( L ` i ) ` ( k ` i ) ) ) |
| 165 | 164 | prodeq2dv | |- ( c = k -> prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) = prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) ) |
| 166 | 165 | oveq1d | |- ( c = k -> ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) x. ( Z ^ n ) ) = ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) |
| 167 | 166 | cbvsumv | |- sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( c ` i ) ) x. ( Z ^ n ) ) = sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) |
| 168 | 161 167 | eqtri | |- sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) |
| 169 | 168 | a1i | |- ( n e. ( 0 ... ( s x. N ) ) -> sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) |
| 170 | 169 | sumeq2i | |- sum_ n e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) |
| 171 | 154 170 | eqeq12i | |- ( prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ n ) ) <-> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) |
| 172 | 141 171 | bitri | |- ( prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) <-> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) |
| 173 | 172 | imbi2i | |- ( ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) <-> ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) |
| 174 | 134 173 | sylib | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) |
| 175 | simpr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s + 1 ) <_ S ) |
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| 176 | 1 | ad3antrrr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> N e. NN0 ) |
| 177 | 2 | ad3antrrr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> S e. NN0 ) |
| 178 | 3 | ad3antrrr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> Z e. CC ) |
| 179 | 4 | ad3antrrr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> L : ( 0 ..^ S ) --> ( CC ^m NN ) ) |
| 180 | simpllr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> s e. NN0 ) |
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| 181 | simpr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s + 1 ) <_ S ) |
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| 182 | 5 180 | sselid | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> s e. RR ) |
| 183 | 1red | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> 1 e. RR ) |
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| 184 | 182 183 | readdcld | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s + 1 ) e. RR ) |
| 185 | 5 177 | sselid | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> S e. RR ) |
| 186 | 182 | ltp1d | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> s < ( s + 1 ) ) |
| 187 | 182 184 186 | ltled | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> s <_ ( s + 1 ) ) |
| 188 | 182 184 185 187 181 | letrd | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> s <_ S ) |
| 189 | simplr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) |
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| 190 | 189 173 | sylibr | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 191 | 188 190 | mpd | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 192 | 176 177 178 179 180 181 191 | breprexplemc | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ i e. ( 0 ..^ s ) sum_ j e. ( 1 ... N ) ( ( ( L ` i ) ` j ) x. ( Z ^ j ) ) = sum_ n e. ( 0 ... ( s x. N ) ) sum_ k e. ( ( 1 ... N ) ( repr ` s ) n ) ( prod_ i e. ( 0 ..^ s ) ( ( L ` i ) ` ( k ` i ) ) x. ( Z ^ n ) ) ) ) /\ ( s + 1 ) <_ S ) -> prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 193 | 133 174 175 192 | syl21anc | |- ( ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) /\ ( s + 1 ) <_ S ) -> prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 194 | 193 | ex | |- ( ( ( ph /\ s e. NN0 ) /\ ( s <_ S -> prod_ a e. ( 0 ..^ s ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( s x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` s ) m ) ( prod_ a e. ( 0 ..^ s ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) -> ( ( s + 1 ) <_ S -> prod_ a e. ( 0 ..^ ( s + 1 ) ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( ( s + 1 ) x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` ( s + 1 ) ) m ) ( prod_ a e. ( 0 ..^ ( s + 1 ) ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 195 | 24 39 54 69 132 194 | nn0indd | |- ( ( ph /\ S e. NN0 ) -> ( S <_ S -> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) ) |
| 196 | 9 195 | mpd | |- ( ( ph /\ S e. NN0 ) -> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |
| 197 | 2 196 | mpdan | |- ( ph -> prod_ a e. ( 0 ..^ S ) sum_ b e. ( 1 ... N ) ( ( ( L ` a ) ` b ) x. ( Z ^ b ) ) = sum_ m e. ( 0 ... ( S x. N ) ) sum_ c e. ( ( 1 ... N ) ( repr ` S ) m ) ( prod_ a e. ( 0 ..^ S ) ( ( L ` a ) ` ( c ` a ) ) x. ( Z ^ m ) ) ) |