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Description: The sum sum_ n e. NN , X ( n ) / n is nonzero for all non-principal Dirichlet characters (i.e. the assumption X e. W is contradictory). This is the key result that allows to eliminate the conditionals from dchrmusum2 and dchrvmasumif . Lemma 9.4.4 of Shapiro, p. 382. (Contributed by Mario Carneiro, 12-May-2016)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | rpvmasum.z | |- Z = ( Z/nZ ` N ) |
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| rpvmasum.l | |- L = ( ZRHom ` Z ) |
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| rpvmasum.a | |- ( ph -> N e. NN ) |
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| rpvmasum2.g | |- G = ( DChr ` N ) |
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| rpvmasum2.d | |- D = ( Base ` G ) |
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| rpvmasum2.1 | |- .1. = ( 0g ` G ) |
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| rpvmasum2.w | |- W = { y e. ( D \ { .1. } ) | sum_ m e. NN ( ( y ` ( L ` m ) ) / m ) = 0 } |
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| dchrisum0.b | |- ( ph -> X e. W ) |
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| Assertion | dchrisum0 | |- -. ph |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpvmasum.z | |- Z = ( Z/nZ ` N ) |
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| 2 | rpvmasum.l | |- L = ( ZRHom ` Z ) |
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| 3 | rpvmasum.a | |- ( ph -> N e. NN ) |
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| 4 | rpvmasum2.g | |- G = ( DChr ` N ) |
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| 5 | rpvmasum2.d | |- D = ( Base ` G ) |
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| 6 | rpvmasum2.1 | |- .1. = ( 0g ` G ) |
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| 7 | rpvmasum2.w | |- W = { y e. ( D \ { .1. } ) | sum_ m e. NN ( ( y ` ( L ` m ) ) / m ) = 0 } |
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| 8 | dchrisum0.b | |- ( ph -> X e. W ) |
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| 9 | eqid | |- ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) = ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) |
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| 10 | 7 | ssrab3 | |- W C_ ( D \ { .1. } ) |
| 11 | difss | |- ( D \ { .1. } ) C_ D |
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| 12 | 10 11 | sstri | |- W C_ D |
| 13 | 12 8 | sselid | |- ( ph -> X e. D ) |
| 14 | 1 2 3 4 5 6 7 8 | dchrisum0re | |- ( ph -> X : ( Base ` Z ) --> RR ) |
| 15 | fveq2 | |- ( k = ( m x. d ) -> ( sqrt ` k ) = ( sqrt ` ( m x. d ) ) ) |
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| 16 | 15 | oveq2d | |- ( k = ( m x. d ) -> ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) = ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 17 | rpre | |- ( x e. RR+ -> x e. RR ) |
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| 18 | 17 | adantl | |- ( ( ph /\ x e. RR+ ) -> x e. RR ) |
| 19 | 13 | ad3antrrr | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> X e. D ) |
| 20 | elrabi | |- ( m e. { i e. NN | i || k } -> m e. NN ) |
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| 21 | 20 | nnzd | |- ( m e. { i e. NN | i || k } -> m e. ZZ ) |
| 22 | 21 | adantl | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> m e. ZZ ) |
| 23 | 4 1 5 2 19 22 | dchrzrhcl | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> ( X ` ( L ` m ) ) e. CC ) |
| 24 | elfznn | |- ( k e. ( 1 ... ( |_ ` x ) ) -> k e. NN ) |
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| 25 | 24 | adantl | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> k e. NN ) |
| 26 | 25 | nnrpd | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> k e. RR+ ) |
| 27 | 26 | rpsqrtcld | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( sqrt ` k ) e. RR+ ) |
| 28 | 27 | rpcnd | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( sqrt ` k ) e. CC ) |
| 29 | 28 | adantr | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> ( sqrt ` k ) e. CC ) |
| 30 | 27 | rpne0d | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( sqrt ` k ) =/= 0 ) |
| 31 | 30 | adantr | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> ( sqrt ` k ) =/= 0 ) |
| 32 | 23 29 31 | divcld | |- ( ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) /\ m e. { i e. NN | i || k } ) -> ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) e. CC ) |
| 33 | 32 | anasss | |- ( ( ( ph /\ x e. RR+ ) /\ ( k e. ( 1 ... ( |_ ` x ) ) /\ m e. { i e. NN | i || k } ) ) -> ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) e. CC ) |
| 34 | 16 18 33 | dvdsflsumcom | |- ( ( ph /\ x e. RR+ ) -> sum_ k e. ( 1 ... ( |_ ` x ) ) sum_ m e. { i e. NN | i || k } ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) = sum_ m e. ( 1 ... ( |_ ` x ) ) sum_ d e. ( 1 ... ( |_ ` ( x / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 35 | 1 2 3 4 5 6 9 | dchrisum0fval | |- ( k e. NN -> ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) = sum_ m e. { i e. NN | i || k } ( X ` ( L ` m ) ) ) |
| 36 | 25 35 | syl | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) = sum_ m e. { i e. NN | i || k } ( X ` ( L ` m ) ) ) |
| 37 | 36 | oveq1d | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) = ( sum_ m e. { i e. NN | i || k } ( X ` ( L ` m ) ) / ( sqrt ` k ) ) ) |
| 38 | fzfid | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( 1 ... k ) e. Fin ) |
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| 39 | dvdsssfz1 | |- ( k e. NN -> { i e. NN | i || k } C_ ( 1 ... k ) ) |
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| 40 | 25 39 | syl | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> { i e. NN | i || k } C_ ( 1 ... k ) ) |
| 41 | 38 40 | ssfid | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> { i e. NN | i || k } e. Fin ) |
| 42 | 41 28 23 30 | fsumdivc | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( sum_ m e. { i e. NN | i || k } ( X ` ( L ` m ) ) / ( sqrt ` k ) ) = sum_ m e. { i e. NN | i || k } ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) ) |
| 43 | 37 42 | eqtrd | |- ( ( ( ph /\ x e. RR+ ) /\ k e. ( 1 ... ( |_ ` x ) ) ) -> ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) = sum_ m e. { i e. NN | i || k } ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) ) |
| 44 | 43 | sumeq2dv | |- ( ( ph /\ x e. RR+ ) -> sum_ k e. ( 1 ... ( |_ ` x ) ) ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) = sum_ k e. ( 1 ... ( |_ ` x ) ) sum_ m e. { i e. NN | i || k } ( ( X ` ( L ` m ) ) / ( sqrt ` k ) ) ) |
| 45 | rprege0 | |- ( x e. RR+ -> ( x e. RR /\ 0 <_ x ) ) |
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| 46 | 45 | adantl | |- ( ( ph /\ x e. RR+ ) -> ( x e. RR /\ 0 <_ x ) ) |
| 47 | resqrtth | |- ( ( x e. RR /\ 0 <_ x ) -> ( ( sqrt ` x ) ^ 2 ) = x ) |
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| 48 | 46 47 | syl | |- ( ( ph /\ x e. RR+ ) -> ( ( sqrt ` x ) ^ 2 ) = x ) |
| 49 | 48 | fveq2d | |- ( ( ph /\ x e. RR+ ) -> ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) = ( |_ ` x ) ) |
| 50 | 49 | oveq2d | |- ( ( ph /\ x e. RR+ ) -> ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) = ( 1 ... ( |_ ` x ) ) ) |
| 51 | 48 | fvoveq1d | |- ( ( ph /\ x e. RR+ ) -> ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) = ( |_ ` ( x / m ) ) ) |
| 52 | 51 | oveq2d | |- ( ( ph /\ x e. RR+ ) -> ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) = ( 1 ... ( |_ ` ( x / m ) ) ) ) |
| 53 | 52 | sumeq1d | |- ( ( ph /\ x e. RR+ ) -> sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ d e. ( 1 ... ( |_ ` ( x / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 54 | 53 | adantr | |- ( ( ( ph /\ x e. RR+ ) /\ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) ) -> sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ d e. ( 1 ... ( |_ ` ( x / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 55 | 50 54 | sumeq12dv | |- ( ( ph /\ x e. RR+ ) -> sum_ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ m e. ( 1 ... ( |_ ` x ) ) sum_ d e. ( 1 ... ( |_ ` ( x / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 56 | 34 44 55 | 3eqtr4d | |- ( ( ph /\ x e. RR+ ) -> sum_ k e. ( 1 ... ( |_ ` x ) ) ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) = sum_ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 57 | 56 | mpteq2dva | |- ( ph -> ( x e. RR+ |-> sum_ k e. ( 1 ... ( |_ ` x ) ) ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) ) = ( x e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) ) |
| 58 | rpsqrtcl | |- ( x e. RR+ -> ( sqrt ` x ) e. RR+ ) |
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| 59 | 58 | adantl | |- ( ( ph /\ x e. RR+ ) -> ( sqrt ` x ) e. RR+ ) |
| 60 | eqidd | |- ( ph -> ( x e. RR+ |-> ( sqrt ` x ) ) = ( x e. RR+ |-> ( sqrt ` x ) ) ) |
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| 61 | eqidd | |- ( ph -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) = ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) ) |
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| 62 | oveq1 | |- ( z = ( sqrt ` x ) -> ( z ^ 2 ) = ( ( sqrt ` x ) ^ 2 ) ) |
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| 63 | 62 | fveq2d | |- ( z = ( sqrt ` x ) -> ( |_ ` ( z ^ 2 ) ) = ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) |
| 64 | 63 | oveq2d | |- ( z = ( sqrt ` x ) -> ( 1 ... ( |_ ` ( z ^ 2 ) ) ) = ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) ) |
| 65 | 62 | fvoveq1d | |- ( z = ( sqrt ` x ) -> ( |_ ` ( ( z ^ 2 ) / m ) ) = ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) |
| 66 | 65 | oveq2d | |- ( z = ( sqrt ` x ) -> ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) = ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ) |
| 67 | 66 | sumeq1d | |- ( z = ( sqrt ` x ) -> sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 68 | 67 | adantr | |- ( ( z = ( sqrt ` x ) /\ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) ) -> sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 69 | 64 68 | sumeq12dv | |- ( z = ( sqrt ` x ) -> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) = sum_ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
| 70 | 59 60 61 69 | fmptco | |- ( ph -> ( ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) o. ( x e. RR+ |-> ( sqrt ` x ) ) ) = ( x e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( ( sqrt ` x ) ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( ( sqrt ` x ) ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) ) |
| 71 | 57 70 | eqtr4d | |- ( ph -> ( x e. RR+ |-> sum_ k e. ( 1 ... ( |_ ` x ) ) ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) ) = ( ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) o. ( x e. RR+ |-> ( sqrt ` x ) ) ) ) |
| 72 | eqid | |- ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) = ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) |
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| 73 | 1 2 3 4 5 6 7 8 72 | dchrisum0lema | |- ( ph -> E. t E. c e. ( 0 [,) +oo ) ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) |
| 74 | 3 | adantr | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> N e. NN ) |
| 75 | 8 | adantr | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> X e. W ) |
| 76 | simprl | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> c e. ( 0 [,) +oo ) ) |
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| 77 | simprrl | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t ) |
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| 78 | simprrr | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) |
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| 79 | 1 2 74 4 5 6 7 75 72 76 77 78 | dchrisum0lem3 | |- ( ( ph /\ ( c e. ( 0 [,) +oo ) /\ ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) ) ) -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) e. O(1) ) |
| 80 | 79 | rexlimdvaa | |- ( ph -> ( E. c e. ( 0 [,) +oo ) ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) e. O(1) ) ) |
| 81 | 80 | exlimdv | |- ( ph -> ( E. t E. c e. ( 0 [,) +oo ) ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ~~> t /\ A. y e. ( 1 [,) +oo ) ( abs ` ( ( seq 1 ( + , ( a e. NN |-> ( ( X ` ( L ` a ) ) / ( sqrt ` a ) ) ) ) ` ( |_ ` y ) ) - t ) ) <_ ( c / ( sqrt ` y ) ) ) -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) e. O(1) ) ) |
| 82 | 73 81 | mpd | |- ( ph -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) e. O(1) ) |
| 83 | o1f | |- ( ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) e. O(1) -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) : dom ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) --> CC ) |
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| 84 | 82 83 | syl | |- ( ph -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) : dom ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) --> CC ) |
| 85 | sumex | |- sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) e. _V |
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| 86 | eqid | |- ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) = ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) |
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| 87 | 85 86 | dmmpti | |- dom ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) = RR+ |
| 88 | 87 | feq2i | |- ( ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) : dom ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) --> CC <-> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) : RR+ --> CC ) |
| 89 | 84 88 | sylib | |- ( ph -> ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) : RR+ --> CC ) |
| 90 | rpssre | |- RR+ C_ RR |
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| 91 | 90 | a1i | |- ( ph -> RR+ C_ RR ) |
| 92 | resqcl | |- ( t e. RR -> ( t ^ 2 ) e. RR ) |
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| 93 | 0red | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> 0 e. RR ) |
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| 94 | simplr | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> t e. RR ) |
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| 95 | simplrr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( t ^ 2 ) <_ x ) |
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| 96 | 45 | ad2antrl | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> ( x e. RR /\ 0 <_ x ) ) |
| 97 | 96 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( x e. RR /\ 0 <_ x ) ) |
| 98 | 97 47 | syl | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( ( sqrt ` x ) ^ 2 ) = x ) |
| 99 | 95 98 | breqtrrd | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( t ^ 2 ) <_ ( ( sqrt ` x ) ^ 2 ) ) |
| 100 | 94 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> t e. RR ) |
| 101 | 59 | rpred | |- ( ( ph /\ x e. RR+ ) -> ( sqrt ` x ) e. RR ) |
| 102 | 101 | ad2ant2r | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> ( sqrt ` x ) e. RR ) |
| 103 | 102 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( sqrt ` x ) e. RR ) |
| 104 | simpr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> 0 <_ t ) |
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| 105 | sqrtge0 | |- ( ( x e. RR /\ 0 <_ x ) -> 0 <_ ( sqrt ` x ) ) |
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| 106 | 96 105 | syl | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> 0 <_ ( sqrt ` x ) ) |
| 107 | 106 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> 0 <_ ( sqrt ` x ) ) |
| 108 | 100 103 104 107 | le2sqd | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> ( t <_ ( sqrt ` x ) <-> ( t ^ 2 ) <_ ( ( sqrt ` x ) ^ 2 ) ) ) |
| 109 | 99 108 | mpbird | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ 0 <_ t ) -> t <_ ( sqrt ` x ) ) |
| 110 | 94 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> t e. RR ) |
| 111 | 0red | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> 0 e. RR ) |
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| 112 | 102 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> ( sqrt ` x ) e. RR ) |
| 113 | simpr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> t <_ 0 ) |
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| 114 | 106 | adantr | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> 0 <_ ( sqrt ` x ) ) |
| 115 | 110 111 112 113 114 | letrd | |- ( ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) /\ t <_ 0 ) -> t <_ ( sqrt ` x ) ) |
| 116 | 93 94 109 115 | lecasei | |- ( ( ( ph /\ t e. RR ) /\ ( x e. RR+ /\ ( t ^ 2 ) <_ x ) ) -> t <_ ( sqrt ` x ) ) |
| 117 | 116 | expr | |- ( ( ( ph /\ t e. RR ) /\ x e. RR+ ) -> ( ( t ^ 2 ) <_ x -> t <_ ( sqrt ` x ) ) ) |
| 118 | 117 | ralrimiva | |- ( ( ph /\ t e. RR ) -> A. x e. RR+ ( ( t ^ 2 ) <_ x -> t <_ ( sqrt ` x ) ) ) |
| 119 | breq1 | |- ( c = ( t ^ 2 ) -> ( c <_ x <-> ( t ^ 2 ) <_ x ) ) |
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| 120 | 119 | rspceaimv | |- ( ( ( t ^ 2 ) e. RR /\ A. x e. RR+ ( ( t ^ 2 ) <_ x -> t <_ ( sqrt ` x ) ) ) -> E. c e. RR A. x e. RR+ ( c <_ x -> t <_ ( sqrt ` x ) ) ) |
| 121 | 92 118 120 | syl2an2 | |- ( ( ph /\ t e. RR ) -> E. c e. RR A. x e. RR+ ( c <_ x -> t <_ ( sqrt ` x ) ) ) |
| 122 | 89 82 59 91 121 | o1compt | |- ( ph -> ( ( z e. RR+ |-> sum_ m e. ( 1 ... ( |_ ` ( z ^ 2 ) ) ) sum_ d e. ( 1 ... ( |_ ` ( ( z ^ 2 ) / m ) ) ) ( ( X ` ( L ` m ) ) / ( sqrt ` ( m x. d ) ) ) ) o. ( x e. RR+ |-> ( sqrt ` x ) ) ) e. O(1) ) |
| 123 | 71 122 | eqeltrd | |- ( ph -> ( x e. RR+ |-> sum_ k e. ( 1 ... ( |_ ` x ) ) ( ( ( b e. NN |-> sum_ y e. { i e. NN | i || b } ( X ` ( L ` y ) ) ) ` k ) / ( sqrt ` k ) ) ) e. O(1) ) |
| 124 | 1 2 3 4 5 6 9 13 14 123 | dchrisum0fno1 | |- -. ph |