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Description: The n -th derivative of the polynomial ( x + A ) ^ K . (Contributed by Glauco Siliprandi, 5-Apr-2020)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dvnxpaek.s | |- ( ph -> S e. { RR , CC } ) |
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| dvnxpaek.x | |- ( ph -> X e. ( ( TopOpen ` CCfld ) |`t S ) ) |
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| dvnxpaek.a | |- ( ph -> A e. CC ) |
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| dvnxpaek.k | |- ( ph -> K e. NN0 ) |
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| dvnxpaek.f | |- F = ( x e. X |-> ( ( x + A ) ^ K ) ) |
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| Assertion | dvnxpaek | |- ( ( ph /\ N e. NN0 ) -> ( ( S Dn F ) ` N ) = ( x e. X |-> if ( K < N , 0 , ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dvnxpaek.s | |- ( ph -> S e. { RR , CC } ) |
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| 2 | dvnxpaek.x | |- ( ph -> X e. ( ( TopOpen ` CCfld ) |`t S ) ) |
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| 3 | dvnxpaek.a | |- ( ph -> A e. CC ) |
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| 4 | dvnxpaek.k | |- ( ph -> K e. NN0 ) |
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| 5 | dvnxpaek.f | |- F = ( x e. X |-> ( ( x + A ) ^ K ) ) |
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| 6 | fveq2 | |- ( n = 0 -> ( ( S Dn F ) ` n ) = ( ( S Dn F ) ` 0 ) ) |
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| 7 | breq2 | |- ( n = 0 -> ( K < n <-> K < 0 ) ) |
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| 8 | eqidd | |- ( n = 0 -> 0 = 0 ) |
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| 9 | oveq2 | |- ( n = 0 -> ( K - n ) = ( K - 0 ) ) |
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| 10 | 9 | fveq2d | |- ( n = 0 -> ( ! ` ( K - n ) ) = ( ! ` ( K - 0 ) ) ) |
| 11 | 10 | oveq2d | |- ( n = 0 -> ( ( ! ` K ) / ( ! ` ( K - n ) ) ) = ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) ) |
| 12 | 9 | oveq2d | |- ( n = 0 -> ( ( x + A ) ^ ( K - n ) ) = ( ( x + A ) ^ ( K - 0 ) ) ) |
| 13 | 11 12 | oveq12d | |- ( n = 0 -> ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) |
| 14 | 7 8 13 | ifbieq12d | |- ( n = 0 -> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) = if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) |
| 15 | 14 | mpteq2dv | |- ( n = 0 -> ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) = ( x e. X |-> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) ) |
| 16 | 6 15 | eqeq12d | |- ( n = 0 -> ( ( ( S Dn F ) ` n ) = ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) <-> ( ( S Dn F ) ` 0 ) = ( x e. X |-> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) ) ) |
| 17 | fveq2 | |- ( n = m -> ( ( S Dn F ) ` n ) = ( ( S Dn F ) ` m ) ) |
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| 18 | breq2 | |- ( n = m -> ( K < n <-> K < m ) ) |
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| 19 | eqidd | |- ( n = m -> 0 = 0 ) |
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| 20 | oveq2 | |- ( n = m -> ( K - n ) = ( K - m ) ) |
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| 21 | 20 | fveq2d | |- ( n = m -> ( ! ` ( K - n ) ) = ( ! ` ( K - m ) ) ) |
| 22 | 21 | oveq2d | |- ( n = m -> ( ( ! ` K ) / ( ! ` ( K - n ) ) ) = ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) |
| 23 | 20 | oveq2d | |- ( n = m -> ( ( x + A ) ^ ( K - n ) ) = ( ( x + A ) ^ ( K - m ) ) ) |
| 24 | 22 23 | oveq12d | |- ( n = m -> ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) |
| 25 | 18 19 24 | ifbieq12d | |- ( n = m -> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) = if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) |
| 26 | 25 | mpteq2dv | |- ( n = m -> ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) |
| 27 | 17 26 | eqeq12d | |- ( n = m -> ( ( ( S Dn F ) ` n ) = ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) <-> ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) ) |
| 28 | fveq2 | |- ( n = ( m + 1 ) -> ( ( S Dn F ) ` n ) = ( ( S Dn F ) ` ( m + 1 ) ) ) |
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| 29 | breq2 | |- ( n = ( m + 1 ) -> ( K < n <-> K < ( m + 1 ) ) ) |
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| 30 | eqidd | |- ( n = ( m + 1 ) -> 0 = 0 ) |
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| 31 | oveq2 | |- ( n = ( m + 1 ) -> ( K - n ) = ( K - ( m + 1 ) ) ) |
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| 32 | 31 | fveq2d | |- ( n = ( m + 1 ) -> ( ! ` ( K - n ) ) = ( ! ` ( K - ( m + 1 ) ) ) ) |
| 33 | 32 | oveq2d | |- ( n = ( m + 1 ) -> ( ( ! ` K ) / ( ! ` ( K - n ) ) ) = ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) ) |
| 34 | 31 | oveq2d | |- ( n = ( m + 1 ) -> ( ( x + A ) ^ ( K - n ) ) = ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) |
| 35 | 33 34 | oveq12d | |- ( n = ( m + 1 ) -> ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) |
| 36 | 29 30 35 | ifbieq12d | |- ( n = ( m + 1 ) -> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) = if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) |
| 37 | 36 | mpteq2dv | |- ( n = ( m + 1 ) -> ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 38 | 28 37 | eqeq12d | |- ( n = ( m + 1 ) -> ( ( ( S Dn F ) ` n ) = ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) <-> ( ( S Dn F ) ` ( m + 1 ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) ) |
| 39 | fveq2 | |- ( n = N -> ( ( S Dn F ) ` n ) = ( ( S Dn F ) ` N ) ) |
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| 40 | breq2 | |- ( n = N -> ( K < n <-> K < N ) ) |
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| 41 | eqidd | |- ( n = N -> 0 = 0 ) |
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| 42 | oveq2 | |- ( n = N -> ( K - n ) = ( K - N ) ) |
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| 43 | 42 | fveq2d | |- ( n = N -> ( ! ` ( K - n ) ) = ( ! ` ( K - N ) ) ) |
| 44 | 43 | oveq2d | |- ( n = N -> ( ( ! ` K ) / ( ! ` ( K - n ) ) ) = ( ( ! ` K ) / ( ! ` ( K - N ) ) ) ) |
| 45 | 42 | oveq2d | |- ( n = N -> ( ( x + A ) ^ ( K - n ) ) = ( ( x + A ) ^ ( K - N ) ) ) |
| 46 | 44 45 | oveq12d | |- ( n = N -> ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) |
| 47 | 40 41 46 | ifbieq12d | |- ( n = N -> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) = if ( K < N , 0 , ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) ) |
| 48 | 47 | mpteq2dv | |- ( n = N -> ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) = ( x e. X |-> if ( K < N , 0 , ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) ) ) |
| 49 | 39 48 | eqeq12d | |- ( n = N -> ( ( ( S Dn F ) ` n ) = ( x e. X |-> if ( K < n , 0 , ( ( ( ! ` K ) / ( ! ` ( K - n ) ) ) x. ( ( x + A ) ^ ( K - n ) ) ) ) ) <-> ( ( S Dn F ) ` N ) = ( x e. X |-> if ( K < N , 0 , ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) ) ) ) |
| 50 | recnprss | |- ( S e. { RR , CC } -> S C_ CC ) |
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| 51 | 1 50 | syl | |- ( ph -> S C_ CC ) |
| 52 | cnex | |- CC e. _V |
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| 53 | 52 | a1i | |- ( ph -> CC e. _V ) |
| 54 | restsspw | |- ( ( TopOpen ` CCfld ) |`t S ) C_ ~P S |
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| 55 | id | |- ( X e. ( ( TopOpen ` CCfld ) |`t S ) -> X e. ( ( TopOpen ` CCfld ) |`t S ) ) |
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| 56 | 54 55 | sselid | |- ( X e. ( ( TopOpen ` CCfld ) |`t S ) -> X e. ~P S ) |
| 57 | elpwi | |- ( X e. ~P S -> X C_ S ) |
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| 58 | 56 57 | syl | |- ( X e. ( ( TopOpen ` CCfld ) |`t S ) -> X C_ S ) |
| 59 | 2 58 | syl | |- ( ph -> X C_ S ) |
| 60 | 59 51 | sstrd | |- ( ph -> X C_ CC ) |
| 61 | 60 | adantr | |- ( ( ph /\ x e. X ) -> X C_ CC ) |
| 62 | simpr | |- ( ( ph /\ x e. X ) -> x e. X ) |
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| 63 | 61 62 | sseldd | |- ( ( ph /\ x e. X ) -> x e. CC ) |
| 64 | 3 | adantr | |- ( ( ph /\ x e. X ) -> A e. CC ) |
| 65 | 63 64 | addcld | |- ( ( ph /\ x e. X ) -> ( x + A ) e. CC ) |
| 66 | 4 | adantr | |- ( ( ph /\ x e. X ) -> K e. NN0 ) |
| 67 | 65 66 | expcld | |- ( ( ph /\ x e. X ) -> ( ( x + A ) ^ K ) e. CC ) |
| 68 | 67 5 | fmptd | |- ( ph -> F : X --> CC ) |
| 69 | elpm2r | |- ( ( ( CC e. _V /\ S e. { RR , CC } ) /\ ( F : X --> CC /\ X C_ S ) ) -> F e. ( CC ^pm S ) ) |
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| 70 | 53 1 68 59 69 | syl22anc | |- ( ph -> F e. ( CC ^pm S ) ) |
| 71 | dvn0 | |- ( ( S C_ CC /\ F e. ( CC ^pm S ) ) -> ( ( S Dn F ) ` 0 ) = F ) |
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| 72 | 51 70 71 | syl2anc | |- ( ph -> ( ( S Dn F ) ` 0 ) = F ) |
| 73 | 5 | a1i | |- ( ph -> F = ( x e. X |-> ( ( x + A ) ^ K ) ) ) |
| 74 | 4 | nn0ge0d | |- ( ph -> 0 <_ K ) |
| 75 | 0red | |- ( ph -> 0 e. RR ) |
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| 76 | 4 | nn0red | |- ( ph -> K e. RR ) |
| 77 | 75 76 | lenltd | |- ( ph -> ( 0 <_ K <-> -. K < 0 ) ) |
| 78 | 74 77 | mpbid | |- ( ph -> -. K < 0 ) |
| 79 | 78 | iffalsed | |- ( ph -> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) |
| 80 | 79 | adantr | |- ( ( ph /\ x e. X ) -> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) |
| 81 | 4 | nn0cnd | |- ( ph -> K e. CC ) |
| 82 | 81 | subid1d | |- ( ph -> ( K - 0 ) = K ) |
| 83 | 82 | fveq2d | |- ( ph -> ( ! ` ( K - 0 ) ) = ( ! ` K ) ) |
| 84 | 83 | oveq2d | |- ( ph -> ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) = ( ( ! ` K ) / ( ! ` K ) ) ) |
| 85 | faccl | |- ( K e. NN0 -> ( ! ` K ) e. NN ) |
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| 86 | 4 85 | syl | |- ( ph -> ( ! ` K ) e. NN ) |
| 87 | 86 | nncnd | |- ( ph -> ( ! ` K ) e. CC ) |
| 88 | 86 | nnne0d | |- ( ph -> ( ! ` K ) =/= 0 ) |
| 89 | 87 88 | dividd | |- ( ph -> ( ( ! ` K ) / ( ! ` K ) ) = 1 ) |
| 90 | 84 89 | eqtrd | |- ( ph -> ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) = 1 ) |
| 91 | 82 | oveq2d | |- ( ph -> ( ( x + A ) ^ ( K - 0 ) ) = ( ( x + A ) ^ K ) ) |
| 92 | 90 91 | oveq12d | |- ( ph -> ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) = ( 1 x. ( ( x + A ) ^ K ) ) ) |
| 93 | 92 | adantr | |- ( ( ph /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) = ( 1 x. ( ( x + A ) ^ K ) ) ) |
| 94 | 67 | mullidd | |- ( ( ph /\ x e. X ) -> ( 1 x. ( ( x + A ) ^ K ) ) = ( ( x + A ) ^ K ) ) |
| 95 | 80 93 94 | 3eqtrrd | |- ( ( ph /\ x e. X ) -> ( ( x + A ) ^ K ) = if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) |
| 96 | 95 | mpteq2dva | |- ( ph -> ( x e. X |-> ( ( x + A ) ^ K ) ) = ( x e. X |-> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) ) |
| 97 | 72 73 96 | 3eqtrd | |- ( ph -> ( ( S Dn F ) ` 0 ) = ( x e. X |-> if ( K < 0 , 0 , ( ( ( ! ` K ) / ( ! ` ( K - 0 ) ) ) x. ( ( x + A ) ^ ( K - 0 ) ) ) ) ) ) |
| 98 | 51 | adantr | |- ( ( ph /\ m e. NN0 ) -> S C_ CC ) |
| 99 | 70 | adantr | |- ( ( ph /\ m e. NN0 ) -> F e. ( CC ^pm S ) ) |
| 100 | simpr | |- ( ( ph /\ m e. NN0 ) -> m e. NN0 ) |
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| 101 | dvnp1 | |- ( ( S C_ CC /\ F e. ( CC ^pm S ) /\ m e. NN0 ) -> ( ( S Dn F ) ` ( m + 1 ) ) = ( S _D ( ( S Dn F ) ` m ) ) ) |
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| 102 | 98 99 100 101 | syl3anc | |- ( ( ph /\ m e. NN0 ) -> ( ( S Dn F ) ` ( m + 1 ) ) = ( S _D ( ( S Dn F ) ` m ) ) ) |
| 103 | 102 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) -> ( ( S Dn F ) ` ( m + 1 ) ) = ( S _D ( ( S Dn F ) ` m ) ) ) |
| 104 | oveq2 | |- ( ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) -> ( S _D ( ( S Dn F ) ` m ) ) = ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) ) |
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| 105 | 104 | adantl | |- ( ( ( ph /\ m e. NN0 ) /\ ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) -> ( S _D ( ( S Dn F ) ` m ) ) = ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) ) |
| 106 | iftrue | |- ( K < m -> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) = 0 ) |
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| 107 | 106 | mpteq2dv | |- ( K < m -> ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> 0 ) ) |
| 108 | 107 | oveq2d | |- ( K < m -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( S _D ( x e. X |-> 0 ) ) ) |
| 109 | 108 | adantl | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( S _D ( x e. X |-> 0 ) ) ) |
| 110 | 0cnd | |- ( ph -> 0 e. CC ) |
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| 111 | 1 2 110 | dvmptconst | |- ( ph -> ( S _D ( x e. X |-> 0 ) ) = ( x e. X |-> 0 ) ) |
| 112 | 111 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( S _D ( x e. X |-> 0 ) ) = ( x e. X |-> 0 ) ) |
| 113 | 76 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> K e. RR ) |
| 114 | nn0re | |- ( m e. NN0 -> m e. RR ) |
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| 115 | 114 | ad2antlr | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> m e. RR ) |
| 116 | simpr | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> K < m ) |
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| 117 | 113 115 116 | ltled | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> K <_ m ) |
| 118 | 4 | nn0zd | |- ( ph -> K e. ZZ ) |
| 119 | 118 | adantr | |- ( ( ph /\ m e. NN0 ) -> K e. ZZ ) |
| 120 | 100 | nn0zd | |- ( ( ph /\ m e. NN0 ) -> m e. ZZ ) |
| 121 | zleltp1 | |- ( ( K e. ZZ /\ m e. ZZ ) -> ( K <_ m <-> K < ( m + 1 ) ) ) |
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| 122 | 119 120 121 | syl2anc | |- ( ( ph /\ m e. NN0 ) -> ( K <_ m <-> K < ( m + 1 ) ) ) |
| 123 | 122 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( K <_ m <-> K < ( m + 1 ) ) ) |
| 124 | 117 123 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> K < ( m + 1 ) ) |
| 125 | 124 | iftrued | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) = 0 ) |
| 126 | 125 | mpteq2dv | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) = ( x e. X |-> 0 ) ) |
| 127 | 126 | eqcomd | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( x e. X |-> 0 ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 128 | 109 112 127 | 3eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ K < m ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 129 | simpl | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> ( ph /\ m e. NN0 ) ) |
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| 130 | simpr | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> -. K < m ) |
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| 131 | 129 100 114 | 3syl | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> m e. RR ) |
| 132 | 76 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> K e. RR ) |
| 133 | 131 132 | lenltd | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> ( m <_ K <-> -. K < m ) ) |
| 134 | 130 133 | mpbird | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> m <_ K ) |
| 135 | simpr | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> m = K ) |
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| 136 | 114 | ad2antlr | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> m e. RR ) |
| 137 | 76 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> K e. RR ) |
| 138 | 136 137 | lttri3d | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( m = K <-> ( -. m < K /\ -. K < m ) ) ) |
| 139 | 135 138 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( -. m < K /\ -. K < m ) ) |
| 140 | simpr | |- ( ( -. m < K /\ -. K < m ) -> -. K < m ) |
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| 141 | 139 140 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> -. K < m ) |
| 142 | 141 | iffalsed | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) |
| 143 | 142 | mpteq2dv | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) |
| 144 | 143 | oveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) |
| 145 | oveq2 | |- ( m = K -> ( K - m ) = ( K - K ) ) |
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| 146 | 145 | fveq2d | |- ( m = K -> ( ! ` ( K - m ) ) = ( ! ` ( K - K ) ) ) |
| 147 | 146 | adantl | |- ( ( ph /\ m = K ) -> ( ! ` ( K - m ) ) = ( ! ` ( K - K ) ) ) |
| 148 | 81 | subidd | |- ( ph -> ( K - K ) = 0 ) |
| 149 | 148 | fveq2d | |- ( ph -> ( ! ` ( K - K ) ) = ( ! ` 0 ) ) |
| 150 | fac0 | |- ( ! ` 0 ) = 1 |
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| 151 | 150 | a1i | |- ( ph -> ( ! ` 0 ) = 1 ) |
| 152 | 149 151 | eqtrd | |- ( ph -> ( ! ` ( K - K ) ) = 1 ) |
| 153 | 152 | adantr | |- ( ( ph /\ m = K ) -> ( ! ` ( K - K ) ) = 1 ) |
| 154 | 147 153 | eqtrd | |- ( ( ph /\ m = K ) -> ( ! ` ( K - m ) ) = 1 ) |
| 155 | 154 | oveq2d | |- ( ( ph /\ m = K ) -> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) = ( ( ! ` K ) / 1 ) ) |
| 156 | 87 | div1d | |- ( ph -> ( ( ! ` K ) / 1 ) = ( ! ` K ) ) |
| 157 | 156 | adantr | |- ( ( ph /\ m = K ) -> ( ( ! ` K ) / 1 ) = ( ! ` K ) ) |
| 158 | 155 157 | eqtrd | |- ( ( ph /\ m = K ) -> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) = ( ! ` K ) ) |
| 159 | 158 | adantr | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) = ( ! ` K ) ) |
| 160 | 145 | adantl | |- ( ( ph /\ m = K ) -> ( K - m ) = ( K - K ) ) |
| 161 | 148 | adantr | |- ( ( ph /\ m = K ) -> ( K - K ) = 0 ) |
| 162 | 160 161 | eqtrd | |- ( ( ph /\ m = K ) -> ( K - m ) = 0 ) |
| 163 | 162 | oveq2d | |- ( ( ph /\ m = K ) -> ( ( x + A ) ^ ( K - m ) ) = ( ( x + A ) ^ 0 ) ) |
| 164 | 163 | adantr | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( x + A ) ^ ( K - m ) ) = ( ( x + A ) ^ 0 ) ) |
| 165 | 65 | exp0d | |- ( ( ph /\ x e. X ) -> ( ( x + A ) ^ 0 ) = 1 ) |
| 166 | 165 | adantlr | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( x + A ) ^ 0 ) = 1 ) |
| 167 | 164 166 | eqtrd | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( x + A ) ^ ( K - m ) ) = 1 ) |
| 168 | 159 167 | oveq12d | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) = ( ( ! ` K ) x. 1 ) ) |
| 169 | 87 | mulridd | |- ( ph -> ( ( ! ` K ) x. 1 ) = ( ! ` K ) ) |
| 170 | 169 | ad2antrr | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( ! ` K ) x. 1 ) = ( ! ` K ) ) |
| 171 | 168 170 | eqtrd | |- ( ( ( ph /\ m = K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) = ( ! ` K ) ) |
| 172 | 171 | mpteq2dva | |- ( ( ph /\ m = K ) -> ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) = ( x e. X |-> ( ! ` K ) ) ) |
| 173 | 172 | oveq2d | |- ( ( ph /\ m = K ) -> ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( S _D ( x e. X |-> ( ! ` K ) ) ) ) |
| 174 | 1 2 87 | dvmptconst | |- ( ph -> ( S _D ( x e. X |-> ( ! ` K ) ) ) = ( x e. X |-> 0 ) ) |
| 175 | 174 | adantr | |- ( ( ph /\ m = K ) -> ( S _D ( x e. X |-> ( ! ` K ) ) ) = ( x e. X |-> 0 ) ) |
| 176 | 173 175 | eqtrd | |- ( ( ph /\ m = K ) -> ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> 0 ) ) |
| 177 | 176 | adantlr | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> 0 ) ) |
| 178 | 137 | ltp1d | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> K < ( K + 1 ) ) |
| 179 | oveq1 | |- ( m = K -> ( m + 1 ) = ( K + 1 ) ) |
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| 180 | 179 | eqcomd | |- ( m = K -> ( K + 1 ) = ( m + 1 ) ) |
| 181 | 180 | adantl | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( K + 1 ) = ( m + 1 ) ) |
| 182 | 178 181 | breqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> K < ( m + 1 ) ) |
| 183 | 182 | iftrued | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) = 0 ) |
| 184 | 183 | eqcomd | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> 0 = if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) |
| 185 | 184 | mpteq2dv | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( x e. X |-> 0 ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 186 | 144 177 185 | 3eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ m = K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 187 | 186 | adantlr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ m = K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 188 | simpll | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> ( ph /\ m e. NN0 ) ) |
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| 189 | 188 100 114 | 3syl | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> m e. RR ) |
| 190 | 76 | ad3antrrr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> K e. RR ) |
| 191 | simplr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> m <_ K ) |
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| 192 | neqne | |- ( -. m = K -> m =/= K ) |
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| 193 | 192 | necomd | |- ( -. m = K -> K =/= m ) |
| 194 | 193 | adantl | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> K =/= m ) |
| 195 | 189 190 191 194 | leneltd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> m < K ) |
| 196 | 114 | ad2antlr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> m e. RR ) |
| 197 | 76 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> K e. RR ) |
| 198 | simpr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> m < K ) |
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| 199 | 196 197 198 | ltled | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> m <_ K ) |
| 200 | 196 197 | lenltd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m <_ K <-> -. K < m ) ) |
| 201 | 199 200 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> -. K < m ) |
| 202 | 201 | iffalsed | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) |
| 203 | 202 | mpteq2dv | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) |
| 204 | 203 | oveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) |
| 205 | 1 | adantr | |- ( ( ph /\ m e. NN0 ) -> S e. { RR , CC } ) |
| 206 | 205 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> S e. { RR , CC } ) |
| 207 | 87 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` K ) e. CC ) |
| 208 | 100 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> m e. NN0 ) |
| 209 | 4 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> K e. NN0 ) |
| 210 | nn0sub | |- ( ( m e. NN0 /\ K e. NN0 ) -> ( m <_ K <-> ( K - m ) e. NN0 ) ) |
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| 211 | 208 209 210 | syl2anc | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m <_ K <-> ( K - m ) e. NN0 ) ) |
| 212 | 199 211 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - m ) e. NN0 ) |
| 213 | faccl | |- ( ( K - m ) e. NN0 -> ( ! ` ( K - m ) ) e. NN ) |
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| 214 | 212 213 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( K - m ) ) e. NN ) |
| 215 | 214 | nncnd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( K - m ) ) e. CC ) |
| 216 | 214 | nnne0d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( K - m ) ) =/= 0 ) |
| 217 | 207 215 216 | divcld | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) e. CC ) |
| 218 | 217 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) e. CC ) |
| 219 | 75 | ad3antrrr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> 0 e. RR ) |
| 220 | 2 | adantr | |- ( ( ph /\ m e. NN0 ) -> X e. ( ( TopOpen ` CCfld ) |`t S ) ) |
| 221 | 220 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> X e. ( ( TopOpen ` CCfld ) |`t S ) ) |
| 222 | 206 221 217 | dvmptconst | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( S _D ( x e. X |-> ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) = ( x e. X |-> 0 ) ) |
| 223 | 65 | adantlr | |- ( ( ( ph /\ m e. NN0 ) /\ x e. X ) -> ( x + A ) e. CC ) |
| 224 | 223 | adantlr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( x + A ) e. CC ) |
| 225 | 212 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( K - m ) e. NN0 ) |
| 226 | 224 225 | expcld | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( x + A ) ^ ( K - m ) ) e. CC ) |
| 227 | 225 | nn0cnd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( K - m ) e. CC ) |
| 228 | 212 | nn0zd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - m ) e. ZZ ) |
| 229 | 196 197 | posdifd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m < K <-> 0 < ( K - m ) ) ) |
| 230 | 198 229 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> 0 < ( K - m ) ) |
| 231 | 228 230 | jca | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) e. ZZ /\ 0 < ( K - m ) ) ) |
| 232 | elnnz | |- ( ( K - m ) e. NN <-> ( ( K - m ) e. ZZ /\ 0 < ( K - m ) ) ) |
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| 233 | 231 232 | sylibr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - m ) e. NN ) |
| 234 | nnm1nn0 | |- ( ( K - m ) e. NN -> ( ( K - m ) - 1 ) e. NN0 ) |
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| 235 | 233 234 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) - 1 ) e. NN0 ) |
| 236 | 235 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( K - m ) - 1 ) e. NN0 ) |
| 237 | 224 236 | expcld | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( x + A ) ^ ( ( K - m ) - 1 ) ) e. CC ) |
| 238 | 227 237 | mulcld | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) e. CC ) |
| 239 | 3 | ad2antrr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> A e. CC ) |
| 240 | 206 221 239 233 | dvxpaek | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( S _D ( x e. X |-> ( ( x + A ) ^ ( K - m ) ) ) ) = ( x e. X |-> ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) ) |
| 241 | 206 218 219 222 226 238 240 | dvmptmul | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( S _D ( x e. X |-> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) = ( x e. X |-> ( ( 0 x. ( ( x + A ) ^ ( K - m ) ) ) + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) ) ) |
| 242 | 226 | mul02d | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( 0 x. ( ( x + A ) ^ ( K - m ) ) ) = 0 ) |
| 243 | 242 | oveq1d | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( 0 x. ( ( x + A ) ^ ( K - m ) ) ) + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) = ( 0 + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) ) |
| 244 | 238 218 | mulcld | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) e. CC ) |
| 245 | 244 | addlidd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( 0 + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) = ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) |
| 246 | 120 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> m e. ZZ ) |
| 247 | 119 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> K e. ZZ ) |
| 248 | zltp1le | |- ( ( m e. ZZ /\ K e. ZZ ) -> ( m < K <-> ( m + 1 ) <_ K ) ) |
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| 249 | 246 247 248 | syl2anc | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m < K <-> ( m + 1 ) <_ K ) ) |
| 250 | 198 249 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m + 1 ) <_ K ) |
| 251 | peano2re | |- ( m e. RR -> ( m + 1 ) e. RR ) |
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| 252 | 196 251 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( m + 1 ) e. RR ) |
| 253 | 252 197 | lenltd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( m + 1 ) <_ K <-> -. K < ( m + 1 ) ) ) |
| 254 | 250 253 | mpbid | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> -. K < ( m + 1 ) ) |
| 255 | 254 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> -. K < ( m + 1 ) ) |
| 256 | 255 | iffalsed | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) |
| 257 | 218 227 237 | mulassd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) ) |
| 258 | 257 | eqcomd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) = ( ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) |
| 259 | 233 | nncnd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - m ) e. CC ) |
| 260 | 207 215 259 216 | div32d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) = ( ( ! ` K ) x. ( ( K - m ) / ( ! ` ( K - m ) ) ) ) ) |
| 261 | facnn2 | |- ( ( K - m ) e. NN -> ( ! ` ( K - m ) ) = ( ( ! ` ( ( K - m ) - 1 ) ) x. ( K - m ) ) ) |
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| 262 | 233 261 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( K - m ) ) = ( ( ! ` ( ( K - m ) - 1 ) ) x. ( K - m ) ) ) |
| 263 | 262 | oveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) / ( ! ` ( K - m ) ) ) = ( ( K - m ) / ( ( ! ` ( ( K - m ) - 1 ) ) x. ( K - m ) ) ) ) |
| 264 | faccl | |- ( ( ( K - m ) - 1 ) e. NN0 -> ( ! ` ( ( K - m ) - 1 ) ) e. NN ) |
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| 265 | 234 264 | syl | |- ( ( K - m ) e. NN -> ( ! ` ( ( K - m ) - 1 ) ) e. NN ) |
| 266 | 265 | nncnd | |- ( ( K - m ) e. NN -> ( ! ` ( ( K - m ) - 1 ) ) e. CC ) |
| 267 | 233 266 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( ( K - m ) - 1 ) ) e. CC ) |
| 268 | 235 264 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( ( K - m ) - 1 ) ) e. NN ) |
| 269 | nnne0 | |- ( ( ! ` ( ( K - m ) - 1 ) ) e. NN -> ( ! ` ( ( K - m ) - 1 ) ) =/= 0 ) |
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| 270 | 268 269 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( ( K - m ) - 1 ) ) =/= 0 ) |
| 271 | nnne0 | |- ( ( K - m ) e. NN -> ( K - m ) =/= 0 ) |
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| 272 | 233 271 | syl | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - m ) =/= 0 ) |
| 273 | 267 259 270 272 | divcan8d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) / ( ( ! ` ( ( K - m ) - 1 ) ) x. ( K - m ) ) ) = ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) |
| 274 | 263 273 | eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) / ( ! ` ( K - m ) ) ) = ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) |
| 275 | 274 | oveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) x. ( ( K - m ) / ( ! ` ( K - m ) ) ) ) = ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) ) |
| 276 | eqidd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) = ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) ) |
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| 277 | 260 275 276 | 3eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) = ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) ) |
| 278 | 277 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) = ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) ) |
| 279 | 81 | adantr | |- ( ( ph /\ m e. NN0 ) -> K e. CC ) |
| 280 | 100 | nn0cnd | |- ( ( ph /\ m e. NN0 ) -> m e. CC ) |
| 281 | 1cnd | |- ( ( ph /\ m e. NN0 ) -> 1 e. CC ) |
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| 282 | 279 280 281 | subsub4d | |- ( ( ph /\ m e. NN0 ) -> ( ( K - m ) - 1 ) = ( K - ( m + 1 ) ) ) |
| 283 | 282 | oveq2d | |- ( ( ph /\ m e. NN0 ) -> ( ( x + A ) ^ ( ( K - m ) - 1 ) ) = ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) |
| 284 | 283 | ad2antrr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( x + A ) ^ ( ( K - m ) - 1 ) ) = ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) |
| 285 | 278 284 | oveq12d | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( K - m ) ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) = ( ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) |
| 286 | 282 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( K - m ) - 1 ) = ( K - ( m + 1 ) ) ) |
| 287 | 286 | eqcomd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( K - ( m + 1 ) ) = ( ( K - m ) - 1 ) ) |
| 288 | 287 | fveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ! ` ( K - ( m + 1 ) ) ) = ( ! ` ( ( K - m ) - 1 ) ) ) |
| 289 | 288 | oveq2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) = ( ( ! ` K ) / ( ! ` ( ( K - m ) - 1 ) ) ) ) |
| 290 | 207 267 270 | divrecd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) / ( ! ` ( ( K - m ) - 1 ) ) ) = ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) ) |
| 291 | 289 290 | eqtr2d | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) = ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) ) |
| 292 | 291 | adantr | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) = ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) ) |
| 293 | 292 | oveq1d | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ! ` K ) x. ( 1 / ( ! ` ( ( K - m ) - 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) |
| 294 | 258 285 293 | 3eqtrrd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) = ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) ) |
| 295 | 218 238 | mulcomd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) ) = ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) |
| 296 | 256 294 295 | 3eqtrrd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) = if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) |
| 297 | 243 245 296 | 3eqtrd | |- ( ( ( ( ph /\ m e. NN0 ) /\ m < K ) /\ x e. X ) -> ( ( 0 x. ( ( x + A ) ^ ( K - m ) ) ) + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) = if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) |
| 298 | 297 | mpteq2dva | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( x e. X |-> ( ( 0 x. ( ( x + A ) ^ ( K - m ) ) ) + ( ( ( K - m ) x. ( ( x + A ) ^ ( ( K - m ) - 1 ) ) ) x. ( ( ! ` K ) / ( ! ` ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 299 | 204 241 298 | 3eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ m < K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 300 | 188 195 299 | syl2anc | |- ( ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) /\ -. m = K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 301 | 187 300 | pm2.61dan | |- ( ( ( ph /\ m e. NN0 ) /\ m <_ K ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 302 | 129 134 301 | syl2anc | |- ( ( ( ph /\ m e. NN0 ) /\ -. K < m ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 303 | 128 302 | pm2.61dan | |- ( ( ph /\ m e. NN0 ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 304 | 303 | adantr | |- ( ( ( ph /\ m e. NN0 ) /\ ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) -> ( S _D ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 305 | 103 105 304 | 3eqtrd | |- ( ( ( ph /\ m e. NN0 ) /\ ( ( S Dn F ) ` m ) = ( x e. X |-> if ( K < m , 0 , ( ( ( ! ` K ) / ( ! ` ( K - m ) ) ) x. ( ( x + A ) ^ ( K - m ) ) ) ) ) ) -> ( ( S Dn F ) ` ( m + 1 ) ) = ( x e. X |-> if ( K < ( m + 1 ) , 0 , ( ( ( ! ` K ) / ( ! ` ( K - ( m + 1 ) ) ) ) x. ( ( x + A ) ^ ( K - ( m + 1 ) ) ) ) ) ) ) |
| 306 | 16 27 38 49 97 305 | nn0indd | |- ( ( ph /\ N e. NN0 ) -> ( ( S Dn F ) ` N ) = ( x e. X |-> if ( K < N , 0 , ( ( ( ! ` K ) / ( ! ` ( K - N ) ) ) x. ( ( x + A ) ^ ( K - N ) ) ) ) ) ) |