| Step |
Hyp |
Ref |
Expression |
| 1 |
|
stirlinglem11.1 |
|- A = ( n e. NN |-> ( ( ! ` n ) / ( ( sqrt ` ( 2 x. n ) ) x. ( ( n / _e ) ^ n ) ) ) ) |
| 2 |
|
stirlinglem11.2 |
|- B = ( n e. NN |-> ( log ` ( A ` n ) ) ) |
| 3 |
|
stirlinglem11.3 |
|- K = ( k e. NN |-> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) ) |
| 4 |
|
0red |
|- ( N e. NN -> 0 e. RR ) |
| 5 |
3
|
a1i |
|- ( N e. NN -> K = ( k e. NN |-> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) ) ) |
| 6 |
|
simpr |
|- ( ( N e. NN /\ k = 1 ) -> k = 1 ) |
| 7 |
6
|
oveq2d |
|- ( ( N e. NN /\ k = 1 ) -> ( 2 x. k ) = ( 2 x. 1 ) ) |
| 8 |
7
|
oveq1d |
|- ( ( N e. NN /\ k = 1 ) -> ( ( 2 x. k ) + 1 ) = ( ( 2 x. 1 ) + 1 ) ) |
| 9 |
8
|
oveq2d |
|- ( ( N e. NN /\ k = 1 ) -> ( 1 / ( ( 2 x. k ) + 1 ) ) = ( 1 / ( ( 2 x. 1 ) + 1 ) ) ) |
| 10 |
7
|
oveq2d |
|- ( ( N e. NN /\ k = 1 ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) = ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) |
| 11 |
9 10
|
oveq12d |
|- ( ( N e. NN /\ k = 1 ) -> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) = ( ( 1 / ( ( 2 x. 1 ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) ) |
| 12 |
|
1nn |
|- 1 e. NN |
| 13 |
12
|
a1i |
|- ( N e. NN -> 1 e. NN ) |
| 14 |
|
2cnd |
|- ( N e. NN -> 2 e. CC ) |
| 15 |
|
1cnd |
|- ( N e. NN -> 1 e. CC ) |
| 16 |
14 15
|
mulcld |
|- ( N e. NN -> ( 2 x. 1 ) e. CC ) |
| 17 |
16 15
|
addcld |
|- ( N e. NN -> ( ( 2 x. 1 ) + 1 ) e. CC ) |
| 18 |
|
2t1e2 |
|- ( 2 x. 1 ) = 2 |
| 19 |
18
|
oveq1i |
|- ( ( 2 x. 1 ) + 1 ) = ( 2 + 1 ) |
| 20 |
|
2p1e3 |
|- ( 2 + 1 ) = 3 |
| 21 |
19 20
|
eqtri |
|- ( ( 2 x. 1 ) + 1 ) = 3 |
| 22 |
|
3ne0 |
|- 3 =/= 0 |
| 23 |
21 22
|
eqnetri |
|- ( ( 2 x. 1 ) + 1 ) =/= 0 |
| 24 |
23
|
a1i |
|- ( N e. NN -> ( ( 2 x. 1 ) + 1 ) =/= 0 ) |
| 25 |
17 24
|
reccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. 1 ) + 1 ) ) e. CC ) |
| 26 |
|
nncn |
|- ( N e. NN -> N e. CC ) |
| 27 |
14 26
|
mulcld |
|- ( N e. NN -> ( 2 x. N ) e. CC ) |
| 28 |
27 15
|
addcld |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) e. CC ) |
| 29 |
|
1red |
|- ( N e. NN -> 1 e. RR ) |
| 30 |
|
2re |
|- 2 e. RR |
| 31 |
30
|
a1i |
|- ( N e. NN -> 2 e. RR ) |
| 32 |
|
nnre |
|- ( N e. NN -> N e. RR ) |
| 33 |
31 32
|
remulcld |
|- ( N e. NN -> ( 2 x. N ) e. RR ) |
| 34 |
33 29
|
readdcld |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) e. RR ) |
| 35 |
|
0lt1 |
|- 0 < 1 |
| 36 |
35
|
a1i |
|- ( N e. NN -> 0 < 1 ) |
| 37 |
|
2rp |
|- 2 e. RR+ |
| 38 |
37
|
a1i |
|- ( N e. NN -> 2 e. RR+ ) |
| 39 |
|
nnrp |
|- ( N e. NN -> N e. RR+ ) |
| 40 |
38 39
|
rpmulcld |
|- ( N e. NN -> ( 2 x. N ) e. RR+ ) |
| 41 |
29 40
|
ltaddrp2d |
|- ( N e. NN -> 1 < ( ( 2 x. N ) + 1 ) ) |
| 42 |
4 29 34 36 41
|
lttrd |
|- ( N e. NN -> 0 < ( ( 2 x. N ) + 1 ) ) |
| 43 |
42
|
gt0ne0d |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) =/= 0 ) |
| 44 |
28 43
|
reccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. CC ) |
| 45 |
|
2nn0 |
|- 2 e. NN0 |
| 46 |
45
|
a1i |
|- ( N e. NN -> 2 e. NN0 ) |
| 47 |
|
1nn0 |
|- 1 e. NN0 |
| 48 |
47
|
a1i |
|- ( N e. NN -> 1 e. NN0 ) |
| 49 |
46 48
|
nn0mulcld |
|- ( N e. NN -> ( 2 x. 1 ) e. NN0 ) |
| 50 |
44 49
|
expcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) e. CC ) |
| 51 |
25 50
|
mulcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. 1 ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) e. CC ) |
| 52 |
5 11 13 51
|
fvmptd |
|- ( N e. NN -> ( K ` 1 ) = ( ( 1 / ( ( 2 x. 1 ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) ) |
| 53 |
|
1re |
|- 1 e. RR |
| 54 |
30 53
|
remulcli |
|- ( 2 x. 1 ) e. RR |
| 55 |
54 53
|
readdcli |
|- ( ( 2 x. 1 ) + 1 ) e. RR |
| 56 |
55 23
|
rereccli |
|- ( 1 / ( ( 2 x. 1 ) + 1 ) ) e. RR |
| 57 |
56
|
a1i |
|- ( N e. NN -> ( 1 / ( ( 2 x. 1 ) + 1 ) ) e. RR ) |
| 58 |
34 43
|
rereccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. RR ) |
| 59 |
58 49
|
reexpcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) e. RR ) |
| 60 |
57 59
|
remulcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. 1 ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) e. RR ) |
| 61 |
52 60
|
eqeltrd |
|- ( N e. NN -> ( K ` 1 ) e. RR ) |
| 62 |
1
|
stirlinglem2 |
|- ( N e. NN -> ( A ` N ) e. RR+ ) |
| 63 |
62
|
relogcld |
|- ( N e. NN -> ( log ` ( A ` N ) ) e. RR ) |
| 64 |
|
nfcv |
|- F/_ n N |
| 65 |
|
nfcv |
|- F/_ n log |
| 66 |
|
nfmpt1 |
|- F/_ n ( n e. NN |-> ( ( ! ` n ) / ( ( sqrt ` ( 2 x. n ) ) x. ( ( n / _e ) ^ n ) ) ) ) |
| 67 |
1 66
|
nfcxfr |
|- F/_ n A |
| 68 |
67 64
|
nffv |
|- F/_ n ( A ` N ) |
| 69 |
65 68
|
nffv |
|- F/_ n ( log ` ( A ` N ) ) |
| 70 |
|
2fveq3 |
|- ( n = N -> ( log ` ( A ` n ) ) = ( log ` ( A ` N ) ) ) |
| 71 |
64 69 70 2
|
fvmptf |
|- ( ( N e. NN /\ ( log ` ( A ` N ) ) e. RR ) -> ( B ` N ) = ( log ` ( A ` N ) ) ) |
| 72 |
63 71
|
mpdan |
|- ( N e. NN -> ( B ` N ) = ( log ` ( A ` N ) ) ) |
| 73 |
72 63
|
eqeltrd |
|- ( N e. NN -> ( B ` N ) e. RR ) |
| 74 |
|
peano2nn |
|- ( N e. NN -> ( N + 1 ) e. NN ) |
| 75 |
1
|
stirlinglem2 |
|- ( ( N + 1 ) e. NN -> ( A ` ( N + 1 ) ) e. RR+ ) |
| 76 |
74 75
|
syl |
|- ( N e. NN -> ( A ` ( N + 1 ) ) e. RR+ ) |
| 77 |
76
|
relogcld |
|- ( N e. NN -> ( log ` ( A ` ( N + 1 ) ) ) e. RR ) |
| 78 |
|
nfcv |
|- F/_ n ( N + 1 ) |
| 79 |
67 78
|
nffv |
|- F/_ n ( A ` ( N + 1 ) ) |
| 80 |
65 79
|
nffv |
|- F/_ n ( log ` ( A ` ( N + 1 ) ) ) |
| 81 |
|
2fveq3 |
|- ( n = ( N + 1 ) -> ( log ` ( A ` n ) ) = ( log ` ( A ` ( N + 1 ) ) ) ) |
| 82 |
78 80 81 2
|
fvmptf |
|- ( ( ( N + 1 ) e. NN /\ ( log ` ( A ` ( N + 1 ) ) ) e. RR ) -> ( B ` ( N + 1 ) ) = ( log ` ( A ` ( N + 1 ) ) ) ) |
| 83 |
74 77 82
|
syl2anc |
|- ( N e. NN -> ( B ` ( N + 1 ) ) = ( log ` ( A ` ( N + 1 ) ) ) ) |
| 84 |
83 77
|
eqeltrd |
|- ( N e. NN -> ( B ` ( N + 1 ) ) e. RR ) |
| 85 |
73 84
|
resubcld |
|- ( N e. NN -> ( ( B ` N ) - ( B ` ( N + 1 ) ) ) e. RR ) |
| 86 |
31 29
|
remulcld |
|- ( N e. NN -> ( 2 x. 1 ) e. RR ) |
| 87 |
|
0le2 |
|- 0 <_ 2 |
| 88 |
87
|
a1i |
|- ( N e. NN -> 0 <_ 2 ) |
| 89 |
|
0le1 |
|- 0 <_ 1 |
| 90 |
89
|
a1i |
|- ( N e. NN -> 0 <_ 1 ) |
| 91 |
31 29 88 90
|
mulge0d |
|- ( N e. NN -> 0 <_ ( 2 x. 1 ) ) |
| 92 |
86 91
|
ge0p1rpd |
|- ( N e. NN -> ( ( 2 x. 1 ) + 1 ) e. RR+ ) |
| 93 |
92
|
rpreccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. 1 ) + 1 ) ) e. RR+ ) |
| 94 |
39
|
rpge0d |
|- ( N e. NN -> 0 <_ N ) |
| 95 |
31 32 88 94
|
mulge0d |
|- ( N e. NN -> 0 <_ ( 2 x. N ) ) |
| 96 |
33 95
|
ge0p1rpd |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) e. RR+ ) |
| 97 |
96
|
rpreccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. RR+ ) |
| 98 |
|
2z |
|- 2 e. ZZ |
| 99 |
98
|
a1i |
|- ( N e. NN -> 2 e. ZZ ) |
| 100 |
|
1z |
|- 1 e. ZZ |
| 101 |
100
|
a1i |
|- ( N e. NN -> 1 e. ZZ ) |
| 102 |
99 101
|
zmulcld |
|- ( N e. NN -> ( 2 x. 1 ) e. ZZ ) |
| 103 |
97 102
|
rpexpcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) e. RR+ ) |
| 104 |
93 103
|
rpmulcld |
|- ( N e. NN -> ( ( 1 / ( ( 2 x. 1 ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. 1 ) ) ) e. RR+ ) |
| 105 |
52 104
|
eqeltrd |
|- ( N e. NN -> ( K ` 1 ) e. RR+ ) |
| 106 |
105
|
rpgt0d |
|- ( N e. NN -> 0 < ( K ` 1 ) ) |
| 107 |
85 61
|
resubcld |
|- ( N e. NN -> ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( K ` 1 ) ) e. RR ) |
| 108 |
|
eqid |
|- ( ZZ>= ` ( 1 + 1 ) ) = ( ZZ>= ` ( 1 + 1 ) ) |
| 109 |
101
|
peano2zd |
|- ( N e. NN -> ( 1 + 1 ) e. ZZ ) |
| 110 |
|
nnuz |
|- NN = ( ZZ>= ` 1 ) |
| 111 |
3
|
a1i |
|- ( ( N e. NN /\ j e. NN ) -> K = ( k e. NN |-> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) ) ) |
| 112 |
|
oveq2 |
|- ( k = j -> ( 2 x. k ) = ( 2 x. j ) ) |
| 113 |
112
|
oveq1d |
|- ( k = j -> ( ( 2 x. k ) + 1 ) = ( ( 2 x. j ) + 1 ) ) |
| 114 |
113
|
oveq2d |
|- ( k = j -> ( 1 / ( ( 2 x. k ) + 1 ) ) = ( 1 / ( ( 2 x. j ) + 1 ) ) ) |
| 115 |
112
|
oveq2d |
|- ( k = j -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) = ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) |
| 116 |
114 115
|
oveq12d |
|- ( k = j -> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) = ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) ) |
| 117 |
116
|
adantl |
|- ( ( ( N e. NN /\ j e. NN ) /\ k = j ) -> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) = ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) ) |
| 118 |
|
simpr |
|- ( ( N e. NN /\ j e. NN ) -> j e. NN ) |
| 119 |
|
2cnd |
|- ( ( N e. NN /\ j e. NN ) -> 2 e. CC ) |
| 120 |
|
nncn |
|- ( j e. NN -> j e. CC ) |
| 121 |
120
|
adantl |
|- ( ( N e. NN /\ j e. NN ) -> j e. CC ) |
| 122 |
119 121
|
mulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( 2 x. j ) e. CC ) |
| 123 |
|
1cnd |
|- ( ( N e. NN /\ j e. NN ) -> 1 e. CC ) |
| 124 |
122 123
|
addcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. j ) + 1 ) e. CC ) |
| 125 |
|
0red |
|- ( ( N e. NN /\ j e. NN ) -> 0 e. RR ) |
| 126 |
|
1red |
|- ( ( N e. NN /\ j e. NN ) -> 1 e. RR ) |
| 127 |
30
|
a1i |
|- ( ( N e. NN /\ j e. NN ) -> 2 e. RR ) |
| 128 |
|
nnre |
|- ( j e. NN -> j e. RR ) |
| 129 |
128
|
adantl |
|- ( ( N e. NN /\ j e. NN ) -> j e. RR ) |
| 130 |
127 129
|
remulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( 2 x. j ) e. RR ) |
| 131 |
130 126
|
readdcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. j ) + 1 ) e. RR ) |
| 132 |
35
|
a1i |
|- ( ( N e. NN /\ j e. NN ) -> 0 < 1 ) |
| 133 |
37
|
a1i |
|- ( ( N e. NN /\ j e. NN ) -> 2 e. RR+ ) |
| 134 |
|
nnrp |
|- ( j e. NN -> j e. RR+ ) |
| 135 |
134
|
adantl |
|- ( ( N e. NN /\ j e. NN ) -> j e. RR+ ) |
| 136 |
133 135
|
rpmulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( 2 x. j ) e. RR+ ) |
| 137 |
126 136
|
ltaddrp2d |
|- ( ( N e. NN /\ j e. NN ) -> 1 < ( ( 2 x. j ) + 1 ) ) |
| 138 |
125 126 131 132 137
|
lttrd |
|- ( ( N e. NN /\ j e. NN ) -> 0 < ( ( 2 x. j ) + 1 ) ) |
| 139 |
138
|
gt0ne0d |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. j ) + 1 ) =/= 0 ) |
| 140 |
124 139
|
reccld |
|- ( ( N e. NN /\ j e. NN ) -> ( 1 / ( ( 2 x. j ) + 1 ) ) e. CC ) |
| 141 |
26
|
adantr |
|- ( ( N e. NN /\ j e. NN ) -> N e. CC ) |
| 142 |
119 141
|
mulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( 2 x. N ) e. CC ) |
| 143 |
142 123
|
addcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. N ) + 1 ) e. CC ) |
| 144 |
43
|
adantr |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. N ) + 1 ) =/= 0 ) |
| 145 |
143 144
|
reccld |
|- ( ( N e. NN /\ j e. NN ) -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. CC ) |
| 146 |
45
|
a1i |
|- ( ( N e. NN /\ j e. NN ) -> 2 e. NN0 ) |
| 147 |
|
nnnn0 |
|- ( j e. NN -> j e. NN0 ) |
| 148 |
147
|
adantl |
|- ( ( N e. NN /\ j e. NN ) -> j e. NN0 ) |
| 149 |
146 148
|
nn0mulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( 2 x. j ) e. NN0 ) |
| 150 |
145 149
|
expcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) e. CC ) |
| 151 |
140 150
|
mulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) e. CC ) |
| 152 |
111 117 118 151
|
fvmptd |
|- ( ( N e. NN /\ j e. NN ) -> ( K ` j ) = ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) ) |
| 153 |
|
0red |
|- ( j e. NN -> 0 e. RR ) |
| 154 |
|
1red |
|- ( j e. NN -> 1 e. RR ) |
| 155 |
30
|
a1i |
|- ( j e. NN -> 2 e. RR ) |
| 156 |
155 128
|
remulcld |
|- ( j e. NN -> ( 2 x. j ) e. RR ) |
| 157 |
156 154
|
readdcld |
|- ( j e. NN -> ( ( 2 x. j ) + 1 ) e. RR ) |
| 158 |
35
|
a1i |
|- ( j e. NN -> 0 < 1 ) |
| 159 |
37
|
a1i |
|- ( j e. NN -> 2 e. RR+ ) |
| 160 |
159 134
|
rpmulcld |
|- ( j e. NN -> ( 2 x. j ) e. RR+ ) |
| 161 |
154 160
|
ltaddrp2d |
|- ( j e. NN -> 1 < ( ( 2 x. j ) + 1 ) ) |
| 162 |
153 154 157 158 161
|
lttrd |
|- ( j e. NN -> 0 < ( ( 2 x. j ) + 1 ) ) |
| 163 |
162
|
gt0ne0d |
|- ( j e. NN -> ( ( 2 x. j ) + 1 ) =/= 0 ) |
| 164 |
163
|
adantl |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 2 x. j ) + 1 ) =/= 0 ) |
| 165 |
124 164
|
reccld |
|- ( ( N e. NN /\ j e. NN ) -> ( 1 / ( ( 2 x. j ) + 1 ) ) e. CC ) |
| 166 |
165 150
|
mulcld |
|- ( ( N e. NN /\ j e. NN ) -> ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) e. CC ) |
| 167 |
152 166
|
eqeltrd |
|- ( ( N e. NN /\ j e. NN ) -> ( K ` j ) e. CC ) |
| 168 |
|
eqid |
|- ( n e. NN |-> ( ( ( ( 1 + ( 2 x. n ) ) / 2 ) x. ( log ` ( ( n + 1 ) / n ) ) ) - 1 ) ) = ( n e. NN |-> ( ( ( ( 1 + ( 2 x. n ) ) / 2 ) x. ( log ` ( ( n + 1 ) / n ) ) ) - 1 ) ) |
| 169 |
1 2 168 3
|
stirlinglem9 |
|- ( N e. NN -> seq 1 ( + , K ) ~~> ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) |
| 170 |
110 13 167 169
|
clim2ser |
|- ( N e. NN -> seq ( 1 + 1 ) ( + , K ) ~~> ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( seq 1 ( + , K ) ` 1 ) ) ) |
| 171 |
|
peano2nn |
|- ( 1 e. NN -> ( 1 + 1 ) e. NN ) |
| 172 |
|
uznnssnn |
|- ( ( 1 + 1 ) e. NN -> ( ZZ>= ` ( 1 + 1 ) ) C_ NN ) |
| 173 |
12 171 172
|
mp2b |
|- ( ZZ>= ` ( 1 + 1 ) ) C_ NN |
| 174 |
173
|
a1i |
|- ( N e. NN -> ( ZZ>= ` ( 1 + 1 ) ) C_ NN ) |
| 175 |
174
|
sseld |
|- ( N e. NN -> ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> j e. NN ) ) |
| 176 |
175
|
imdistani |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( N e. NN /\ j e. NN ) ) |
| 177 |
176 152
|
syl |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( K ` j ) = ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) ) |
| 178 |
30
|
a1i |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 2 e. RR ) |
| 179 |
|
eluzelre |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> j e. RR ) |
| 180 |
178 179
|
remulcld |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> ( 2 x. j ) e. RR ) |
| 181 |
|
1red |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 1 e. RR ) |
| 182 |
180 181
|
readdcld |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> ( ( 2 x. j ) + 1 ) e. RR ) |
| 183 |
173
|
sseli |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> j e. NN ) |
| 184 |
183 163
|
syl |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> ( ( 2 x. j ) + 1 ) =/= 0 ) |
| 185 |
182 184
|
rereccld |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> ( 1 / ( ( 2 x. j ) + 1 ) ) e. RR ) |
| 186 |
185
|
adantl |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( 1 / ( ( 2 x. j ) + 1 ) ) e. RR ) |
| 187 |
34
|
adantr |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 2 x. N ) + 1 ) e. RR ) |
| 188 |
43
|
adantr |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 2 x. N ) + 1 ) =/= 0 ) |
| 189 |
187 188
|
rereccld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. RR ) |
| 190 |
176 149
|
syl |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( 2 x. j ) e. NN0 ) |
| 191 |
189 190
|
reexpcld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) e. RR ) |
| 192 |
186 191
|
remulcld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) e. RR ) |
| 193 |
177 192
|
eqeltrd |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( K ` j ) e. RR ) |
| 194 |
|
1red |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 1 e. RR ) |
| 195 |
30
|
a1i |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 2 e. RR ) |
| 196 |
176 129
|
syl |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> j e. RR ) |
| 197 |
195 196
|
remulcld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( 2 x. j ) e. RR ) |
| 198 |
87
|
a1i |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ 2 ) |
| 199 |
|
0red |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 0 e. RR ) |
| 200 |
87
|
a1i |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 0 <_ 2 ) |
| 201 |
|
1p1e2 |
|- ( 1 + 1 ) = 2 |
| 202 |
|
eluzle |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> ( 1 + 1 ) <_ j ) |
| 203 |
201 202
|
eqbrtrrid |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 2 <_ j ) |
| 204 |
199 178 179 200 203
|
letrd |
|- ( j e. ( ZZ>= ` ( 1 + 1 ) ) -> 0 <_ j ) |
| 205 |
204
|
adantl |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ j ) |
| 206 |
195 196 198 205
|
mulge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( 2 x. j ) ) |
| 207 |
197 206
|
ge0p1rpd |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 2 x. j ) + 1 ) e. RR+ ) |
| 208 |
89
|
a1i |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ 1 ) |
| 209 |
194 207 208
|
divge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( 1 / ( ( 2 x. j ) + 1 ) ) ) |
| 210 |
32
|
adantr |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> N e. RR ) |
| 211 |
195 210
|
remulcld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( 2 x. N ) e. RR ) |
| 212 |
94
|
adantr |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ N ) |
| 213 |
195 210 198 212
|
mulge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( 2 x. N ) ) |
| 214 |
211 213
|
ge0p1rpd |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> ( ( 2 x. N ) + 1 ) e. RR+ ) |
| 215 |
194 214 208
|
divge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( 1 / ( ( 2 x. N ) + 1 ) ) ) |
| 216 |
189 190 215
|
expge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) |
| 217 |
186 191 209 216
|
mulge0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( ( 1 / ( ( 2 x. j ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. j ) ) ) ) |
| 218 |
217 177
|
breqtrrd |
|- ( ( N e. NN /\ j e. ( ZZ>= ` ( 1 + 1 ) ) ) -> 0 <_ ( K ` j ) ) |
| 219 |
108 109 170 193 218
|
iserge0 |
|- ( N e. NN -> 0 <_ ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( seq 1 ( + , K ) ` 1 ) ) ) |
| 220 |
|
seq1 |
|- ( 1 e. ZZ -> ( seq 1 ( + , K ) ` 1 ) = ( K ` 1 ) ) |
| 221 |
100 220
|
mp1i |
|- ( N e. NN -> ( seq 1 ( + , K ) ` 1 ) = ( K ` 1 ) ) |
| 222 |
221
|
oveq2d |
|- ( N e. NN -> ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( seq 1 ( + , K ) ` 1 ) ) = ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( K ` 1 ) ) ) |
| 223 |
219 222
|
breqtrd |
|- ( N e. NN -> 0 <_ ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( K ` 1 ) ) ) |
| 224 |
4 107 61 223
|
leadd1dd |
|- ( N e. NN -> ( 0 + ( K ` 1 ) ) <_ ( ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( K ` 1 ) ) + ( K ` 1 ) ) ) |
| 225 |
52 51
|
eqeltrd |
|- ( N e. NN -> ( K ` 1 ) e. CC ) |
| 226 |
225
|
addlidd |
|- ( N e. NN -> ( 0 + ( K ` 1 ) ) = ( K ` 1 ) ) |
| 227 |
73
|
recnd |
|- ( N e. NN -> ( B ` N ) e. CC ) |
| 228 |
84
|
recnd |
|- ( N e. NN -> ( B ` ( N + 1 ) ) e. CC ) |
| 229 |
227 228
|
subcld |
|- ( N e. NN -> ( ( B ` N ) - ( B ` ( N + 1 ) ) ) e. CC ) |
| 230 |
229 225
|
npcand |
|- ( N e. NN -> ( ( ( ( B ` N ) - ( B ` ( N + 1 ) ) ) - ( K ` 1 ) ) + ( K ` 1 ) ) = ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) |
| 231 |
224 226 230
|
3brtr3d |
|- ( N e. NN -> ( K ` 1 ) <_ ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) |
| 232 |
4 61 85 106 231
|
ltletrd |
|- ( N e. NN -> 0 < ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) |
| 233 |
84 73
|
posdifd |
|- ( N e. NN -> ( ( B ` ( N + 1 ) ) < ( B ` N ) <-> 0 < ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) ) |
| 234 |
232 233
|
mpbird |
|- ( N e. NN -> ( B ` ( N + 1 ) ) < ( B ` N ) ) |