| Step |
Hyp |
Ref |
Expression |
| 1 |
|
stirlinglem10.1 |
|- A = ( n e. NN |-> ( ( ! ` n ) / ( ( sqrt ` ( 2 x. n ) ) x. ( ( n / _e ) ^ n ) ) ) ) |
| 2 |
|
stirlinglem10.2 |
|- B = ( n e. NN |-> ( log ` ( A ` n ) ) ) |
| 3 |
|
stirlinglem10.4 |
|- K = ( k e. NN |-> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) ) |
| 4 |
|
stirlinglem10.5 |
|- L = ( k e. NN |-> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ k ) ) |
| 5 |
|
nnuz |
|- NN = ( ZZ>= ` 1 ) |
| 6 |
|
1zzd |
|- ( N e. NN -> 1 e. ZZ ) |
| 7 |
|
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 ) ) |
| 8 |
1 2 7 3
|
stirlinglem9 |
|- ( N e. NN -> seq 1 ( + , K ) ~~> ( ( B ` N ) - ( B ` ( N + 1 ) ) ) ) |
| 9 |
|
2cnd |
|- ( N e. NN -> 2 e. CC ) |
| 10 |
|
nncn |
|- ( N e. NN -> N e. CC ) |
| 11 |
9 10
|
mulcld |
|- ( N e. NN -> ( 2 x. N ) e. CC ) |
| 12 |
|
1cnd |
|- ( N e. NN -> 1 e. CC ) |
| 13 |
11 12
|
addcld |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) e. CC ) |
| 14 |
13
|
sqcld |
|- ( N e. NN -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. CC ) |
| 15 |
|
0red |
|- ( N e. NN -> 0 e. RR ) |
| 16 |
|
1red |
|- ( N e. NN -> 1 e. RR ) |
| 17 |
|
2re |
|- 2 e. RR |
| 18 |
17
|
a1i |
|- ( N e. NN -> 2 e. RR ) |
| 19 |
|
nnre |
|- ( N e. NN -> N e. RR ) |
| 20 |
18 19
|
remulcld |
|- ( N e. NN -> ( 2 x. N ) e. RR ) |
| 21 |
20 16
|
readdcld |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) e. RR ) |
| 22 |
|
0lt1 |
|- 0 < 1 |
| 23 |
22
|
a1i |
|- ( N e. NN -> 0 < 1 ) |
| 24 |
|
2rp |
|- 2 e. RR+ |
| 25 |
24
|
a1i |
|- ( N e. NN -> 2 e. RR+ ) |
| 26 |
|
nnrp |
|- ( N e. NN -> N e. RR+ ) |
| 27 |
25 26
|
rpmulcld |
|- ( N e. NN -> ( 2 x. N ) e. RR+ ) |
| 28 |
16 27
|
ltaddrp2d |
|- ( N e. NN -> 1 < ( ( 2 x. N ) + 1 ) ) |
| 29 |
15 16 21 23 28
|
lttrd |
|- ( N e. NN -> 0 < ( ( 2 x. N ) + 1 ) ) |
| 30 |
29
|
gt0ne0d |
|- ( N e. NN -> ( ( 2 x. N ) + 1 ) =/= 0 ) |
| 31 |
|
2z |
|- 2 e. ZZ |
| 32 |
31
|
a1i |
|- ( N e. NN -> 2 e. ZZ ) |
| 33 |
13 30 32
|
expne0d |
|- ( N e. NN -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) =/= 0 ) |
| 34 |
14 33
|
reccld |
|- ( N e. NN -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. CC ) |
| 35 |
16
|
renegcld |
|- ( N e. NN -> -u 1 e. RR ) |
| 36 |
21
|
resqcld |
|- ( N e. NN -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. RR ) |
| 37 |
36 33
|
rereccld |
|- ( N e. NN -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. RR ) |
| 38 |
|
1re |
|- 1 e. RR |
| 39 |
|
lt0neg2 |
|- ( 1 e. RR -> ( 0 < 1 <-> -u 1 < 0 ) ) |
| 40 |
38 39
|
ax-mp |
|- ( 0 < 1 <-> -u 1 < 0 ) |
| 41 |
23 40
|
sylib |
|- ( N e. NN -> -u 1 < 0 ) |
| 42 |
21 30
|
sqgt0d |
|- ( N e. NN -> 0 < ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) |
| 43 |
36 42
|
recgt0d |
|- ( N e. NN -> 0 < ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 44 |
35 15 37 41 43
|
lttrd |
|- ( N e. NN -> -u 1 < ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 45 |
|
2nn |
|- 2 e. NN |
| 46 |
45
|
a1i |
|- ( N e. NN -> 2 e. NN ) |
| 47 |
|
expgt1 |
|- ( ( ( ( 2 x. N ) + 1 ) e. RR /\ 2 e. NN /\ 1 < ( ( 2 x. N ) + 1 ) ) -> 1 < ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) |
| 48 |
21 46 28 47
|
syl3anc |
|- ( N e. NN -> 1 < ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) |
| 49 |
36 42
|
elrpd |
|- ( N e. NN -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. RR+ ) |
| 50 |
49
|
recgt1d |
|- ( N e. NN -> ( 1 < ( ( ( 2 x. N ) + 1 ) ^ 2 ) <-> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) < 1 ) ) |
| 51 |
48 50
|
mpbid |
|- ( N e. NN -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) < 1 ) |
| 52 |
37 16
|
absltd |
|- ( N e. NN -> ( ( abs ` ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) < 1 <-> ( -u 1 < ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) /\ ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) < 1 ) ) ) |
| 53 |
44 51 52
|
mpbir2and |
|- ( N e. NN -> ( abs ` ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) < 1 ) |
| 54 |
|
1nn0 |
|- 1 e. NN0 |
| 55 |
54
|
a1i |
|- ( N e. NN -> 1 e. NN0 ) |
| 56 |
4
|
a1i |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> L = ( k e. NN |-> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ k ) ) ) |
| 57 |
|
simpr |
|- ( ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) /\ k = j ) -> k = j ) |
| 58 |
57
|
oveq2d |
|- ( ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) /\ k = j ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ k ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ j ) ) |
| 59 |
|
elnnuz |
|- ( j e. NN <-> j e. ( ZZ>= ` 1 ) ) |
| 60 |
59
|
bilanri |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> j e. NN ) |
| 61 |
34
|
adantr |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. CC ) |
| 62 |
60
|
nnnn0d |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> j e. NN0 ) |
| 63 |
61 62
|
expcld |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ j ) e. CC ) |
| 64 |
56 58 60 63
|
fvmptd |
|- ( ( N e. NN /\ j e. ( ZZ>= ` 1 ) ) -> ( L ` j ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ j ) ) |
| 65 |
34 53 55 64
|
geolim2 |
|- ( N e. NN -> seq 1 ( + , L ) ~~> ( ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ 1 ) / ( 1 - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) ) |
| 66 |
34
|
exp1d |
|- ( N e. NN -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ 1 ) = ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 67 |
14 33
|
dividd |
|- ( N e. NN -> ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) = 1 ) |
| 68 |
67
|
eqcomd |
|- ( N e. NN -> 1 = ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 69 |
68
|
oveq1d |
|- ( N e. NN -> ( 1 - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) = ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) |
| 70 |
49
|
rpcnne0d |
|- ( N e. NN -> ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. CC /\ ( ( ( 2 x. N ) + 1 ) ^ 2 ) =/= 0 ) ) |
| 71 |
|
divsubdir |
|- ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. CC /\ 1 e. CC /\ ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. CC /\ ( ( ( 2 x. N ) + 1 ) ^ 2 ) =/= 0 ) ) -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) - 1 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) = ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) |
| 72 |
14 12 70 71
|
syl3anc |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) - 1 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) = ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) |
| 73 |
|
ax-1cn |
|- 1 e. CC |
| 74 |
|
binom2 |
|- ( ( ( 2 x. N ) e. CC /\ 1 e. CC ) -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) = ( ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) + ( 1 ^ 2 ) ) ) |
| 75 |
11 73 74
|
sylancl |
|- ( N e. NN -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) = ( ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) + ( 1 ^ 2 ) ) ) |
| 76 |
75
|
oveq1d |
|- ( N e. NN -> ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) - 1 ) = ( ( ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) + ( 1 ^ 2 ) ) - 1 ) ) |
| 77 |
9 10
|
sqmuld |
|- ( N e. NN -> ( ( 2 x. N ) ^ 2 ) = ( ( 2 ^ 2 ) x. ( N ^ 2 ) ) ) |
| 78 |
|
sq2 |
|- ( 2 ^ 2 ) = 4 |
| 79 |
78
|
a1i |
|- ( N e. NN -> ( 2 ^ 2 ) = 4 ) |
| 80 |
79
|
oveq1d |
|- ( N e. NN -> ( ( 2 ^ 2 ) x. ( N ^ 2 ) ) = ( 4 x. ( N ^ 2 ) ) ) |
| 81 |
77 80
|
eqtrd |
|- ( N e. NN -> ( ( 2 x. N ) ^ 2 ) = ( 4 x. ( N ^ 2 ) ) ) |
| 82 |
11
|
mulridd |
|- ( N e. NN -> ( ( 2 x. N ) x. 1 ) = ( 2 x. N ) ) |
| 83 |
82
|
oveq2d |
|- ( N e. NN -> ( 2 x. ( ( 2 x. N ) x. 1 ) ) = ( 2 x. ( 2 x. N ) ) ) |
| 84 |
9 9 10
|
mulassd |
|- ( N e. NN -> ( ( 2 x. 2 ) x. N ) = ( 2 x. ( 2 x. N ) ) ) |
| 85 |
|
2t2e4 |
|- ( 2 x. 2 ) = 4 |
| 86 |
85
|
a1i |
|- ( N e. NN -> ( 2 x. 2 ) = 4 ) |
| 87 |
86
|
oveq1d |
|- ( N e. NN -> ( ( 2 x. 2 ) x. N ) = ( 4 x. N ) ) |
| 88 |
83 84 87
|
3eqtr2d |
|- ( N e. NN -> ( 2 x. ( ( 2 x. N ) x. 1 ) ) = ( 4 x. N ) ) |
| 89 |
81 88
|
oveq12d |
|- ( N e. NN -> ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) = ( ( 4 x. ( N ^ 2 ) ) + ( 4 x. N ) ) ) |
| 90 |
|
4cn |
|- 4 e. CC |
| 91 |
90
|
a1i |
|- ( N e. NN -> 4 e. CC ) |
| 92 |
10
|
sqcld |
|- ( N e. NN -> ( N ^ 2 ) e. CC ) |
| 93 |
91 92 10
|
adddid |
|- ( N e. NN -> ( 4 x. ( ( N ^ 2 ) + N ) ) = ( ( 4 x. ( N ^ 2 ) ) + ( 4 x. N ) ) ) |
| 94 |
10
|
sqvald |
|- ( N e. NN -> ( N ^ 2 ) = ( N x. N ) ) |
| 95 |
10
|
mulridd |
|- ( N e. NN -> ( N x. 1 ) = N ) |
| 96 |
95
|
eqcomd |
|- ( N e. NN -> N = ( N x. 1 ) ) |
| 97 |
94 96
|
oveq12d |
|- ( N e. NN -> ( ( N ^ 2 ) + N ) = ( ( N x. N ) + ( N x. 1 ) ) ) |
| 98 |
10 10 12
|
adddid |
|- ( N e. NN -> ( N x. ( N + 1 ) ) = ( ( N x. N ) + ( N x. 1 ) ) ) |
| 99 |
97 98
|
eqtr4d |
|- ( N e. NN -> ( ( N ^ 2 ) + N ) = ( N x. ( N + 1 ) ) ) |
| 100 |
99
|
oveq2d |
|- ( N e. NN -> ( 4 x. ( ( N ^ 2 ) + N ) ) = ( 4 x. ( N x. ( N + 1 ) ) ) ) |
| 101 |
89 93 100
|
3eqtr2d |
|- ( N e. NN -> ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) = ( 4 x. ( N x. ( N + 1 ) ) ) ) |
| 102 |
|
sq1 |
|- ( 1 ^ 2 ) = 1 |
| 103 |
102
|
a1i |
|- ( N e. NN -> ( 1 ^ 2 ) = 1 ) |
| 104 |
101 103
|
oveq12d |
|- ( N e. NN -> ( ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) + ( 1 ^ 2 ) ) = ( ( 4 x. ( N x. ( N + 1 ) ) ) + 1 ) ) |
| 105 |
104
|
oveq1d |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) ^ 2 ) + ( 2 x. ( ( 2 x. N ) x. 1 ) ) ) + ( 1 ^ 2 ) ) - 1 ) = ( ( ( 4 x. ( N x. ( N + 1 ) ) ) + 1 ) - 1 ) ) |
| 106 |
10 12
|
addcld |
|- ( N e. NN -> ( N + 1 ) e. CC ) |
| 107 |
10 106
|
mulcld |
|- ( N e. NN -> ( N x. ( N + 1 ) ) e. CC ) |
| 108 |
91 107
|
mulcld |
|- ( N e. NN -> ( 4 x. ( N x. ( N + 1 ) ) ) e. CC ) |
| 109 |
108 12
|
pncand |
|- ( N e. NN -> ( ( ( 4 x. ( N x. ( N + 1 ) ) ) + 1 ) - 1 ) = ( 4 x. ( N x. ( N + 1 ) ) ) ) |
| 110 |
76 105 109
|
3eqtrd |
|- ( N e. NN -> ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) - 1 ) = ( 4 x. ( N x. ( N + 1 ) ) ) ) |
| 111 |
110
|
oveq1d |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) - 1 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) = ( ( 4 x. ( N x. ( N + 1 ) ) ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 112 |
69 72 111
|
3eqtr2d |
|- ( N e. NN -> ( 1 - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) = ( ( 4 x. ( N x. ( N + 1 ) ) ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) |
| 113 |
66 112
|
oveq12d |
|- ( N e. NN -> ( ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ 1 ) / ( 1 - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) / ( ( 4 x. ( N x. ( N + 1 ) ) ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) |
| 114 |
|
4pos |
|- 0 < 4 |
| 115 |
114
|
a1i |
|- ( N e. NN -> 0 < 4 ) |
| 116 |
115
|
gt0ne0d |
|- ( N e. NN -> 4 =/= 0 ) |
| 117 |
|
nnne0 |
|- ( N e. NN -> N =/= 0 ) |
| 118 |
19 16
|
readdcld |
|- ( N e. NN -> ( N + 1 ) e. RR ) |
| 119 |
|
nngt0 |
|- ( N e. NN -> 0 < N ) |
| 120 |
19
|
ltp1d |
|- ( N e. NN -> N < ( N + 1 ) ) |
| 121 |
15 19 118 119 120
|
lttrd |
|- ( N e. NN -> 0 < ( N + 1 ) ) |
| 122 |
121
|
gt0ne0d |
|- ( N e. NN -> ( N + 1 ) =/= 0 ) |
| 123 |
10 106 117 122
|
mulne0d |
|- ( N e. NN -> ( N x. ( N + 1 ) ) =/= 0 ) |
| 124 |
91 107 116 123
|
mulne0d |
|- ( N e. NN -> ( 4 x. ( N x. ( N + 1 ) ) ) =/= 0 ) |
| 125 |
12 14 108 14 33 33 124
|
divdivdivd |
|- ( N e. NN -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) / ( ( 4 x. ( N x. ( N + 1 ) ) ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) = ( ( 1 x. ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. ( 4 x. ( N x. ( N + 1 ) ) ) ) ) ) |
| 126 |
12 14
|
mulcomd |
|- ( N e. NN -> ( 1 x. ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) = ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. 1 ) ) |
| 127 |
126
|
oveq1d |
|- ( N e. NN -> ( ( 1 x. ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. ( 4 x. ( N x. ( N + 1 ) ) ) ) ) = ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. 1 ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. ( 4 x. ( N x. ( N + 1 ) ) ) ) ) ) |
| 128 |
12
|
mulridd |
|- ( N e. NN -> ( 1 x. 1 ) = 1 ) |
| 129 |
128
|
eqcomd |
|- ( N e. NN -> 1 = ( 1 x. 1 ) ) |
| 130 |
129
|
oveq1d |
|- ( N e. NN -> ( 1 / ( 4 x. ( N x. ( N + 1 ) ) ) ) = ( ( 1 x. 1 ) / ( 4 x. ( N x. ( N + 1 ) ) ) ) ) |
| 131 |
12 91 12 107 116 123
|
divmuldivd |
|- ( N e. NN -> ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) = ( ( 1 x. 1 ) / ( 4 x. ( N x. ( N + 1 ) ) ) ) ) |
| 132 |
130 131
|
eqtr4d |
|- ( N e. NN -> ( 1 / ( 4 x. ( N x. ( N + 1 ) ) ) ) = ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 133 |
67 132
|
oveq12d |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) x. ( 1 / ( 4 x. ( N x. ( N + 1 ) ) ) ) ) = ( 1 x. ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) ) |
| 134 |
14 14 12 108 33 124
|
divmuldivd |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) x. ( 1 / ( 4 x. ( N x. ( N + 1 ) ) ) ) ) = ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. 1 ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. ( 4 x. ( N x. ( N + 1 ) ) ) ) ) ) |
| 135 |
91 116
|
reccld |
|- ( N e. NN -> ( 1 / 4 ) e. CC ) |
| 136 |
107 123
|
reccld |
|- ( N e. NN -> ( 1 / ( N x. ( N + 1 ) ) ) e. CC ) |
| 137 |
135 136
|
mulcld |
|- ( N e. NN -> ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) e. CC ) |
| 138 |
137
|
mullidd |
|- ( N e. NN -> ( 1 x. ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) = ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 139 |
133 134 138
|
3eqtr3d |
|- ( N e. NN -> ( ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. 1 ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) x. ( 4 x. ( N x. ( N + 1 ) ) ) ) ) = ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 140 |
125 127 139
|
3eqtrd |
|- ( N e. NN -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) / ( ( 4 x. ( N x. ( N + 1 ) ) ) / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) = ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 141 |
113 140
|
eqtrd |
|- ( N e. NN -> ( ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ 1 ) / ( 1 - ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ) ) = ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 142 |
65 141
|
breqtrd |
|- ( N e. NN -> seq 1 ( + , L ) ~~> ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |
| 143 |
59
|
bilani |
|- ( ( N e. NN /\ j e. NN ) -> j e. ( ZZ>= ` 1 ) ) |
| 144 |
|
oveq2 |
|- ( k = n -> ( 2 x. k ) = ( 2 x. n ) ) |
| 145 |
144
|
oveq1d |
|- ( k = n -> ( ( 2 x. k ) + 1 ) = ( ( 2 x. n ) + 1 ) ) |
| 146 |
145
|
oveq2d |
|- ( k = n -> ( 1 / ( ( 2 x. k ) + 1 ) ) = ( 1 / ( ( 2 x. n ) + 1 ) ) ) |
| 147 |
144
|
oveq2d |
|- ( k = n -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) = ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) |
| 148 |
146 147
|
oveq12d |
|- ( k = n -> ( ( 1 / ( ( 2 x. k ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. k ) ) ) = ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) ) |
| 149 |
|
elfznn |
|- ( n e. ( 1 ... j ) -> n e. NN ) |
| 150 |
149
|
adantl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> n e. NN ) |
| 151 |
|
2cnd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 2 e. CC ) |
| 152 |
150
|
nncnd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> n e. CC ) |
| 153 |
151 152
|
mulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 2 x. n ) e. CC ) |
| 154 |
|
1cnd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 1 e. CC ) |
| 155 |
153 154
|
addcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. n ) + 1 ) e. CC ) |
| 156 |
|
0red |
|- ( n e. NN -> 0 e. RR ) |
| 157 |
|
1red |
|- ( n e. NN -> 1 e. RR ) |
| 158 |
17
|
a1i |
|- ( n e. NN -> 2 e. RR ) |
| 159 |
|
nnre |
|- ( n e. NN -> n e. RR ) |
| 160 |
158 159
|
remulcld |
|- ( n e. NN -> ( 2 x. n ) e. RR ) |
| 161 |
160 157
|
readdcld |
|- ( n e. NN -> ( ( 2 x. n ) + 1 ) e. RR ) |
| 162 |
22
|
a1i |
|- ( n e. NN -> 0 < 1 ) |
| 163 |
24
|
a1i |
|- ( n e. NN -> 2 e. RR+ ) |
| 164 |
|
nnrp |
|- ( n e. NN -> n e. RR+ ) |
| 165 |
163 164
|
rpmulcld |
|- ( n e. NN -> ( 2 x. n ) e. RR+ ) |
| 166 |
157 165
|
ltaddrp2d |
|- ( n e. NN -> 1 < ( ( 2 x. n ) + 1 ) ) |
| 167 |
156 157 161 162 166
|
lttrd |
|- ( n e. NN -> 0 < ( ( 2 x. n ) + 1 ) ) |
| 168 |
149 167
|
syl |
|- ( n e. ( 1 ... j ) -> 0 < ( ( 2 x. n ) + 1 ) ) |
| 169 |
168
|
gt0ne0d |
|- ( n e. ( 1 ... j ) -> ( ( 2 x. n ) + 1 ) =/= 0 ) |
| 170 |
169
|
adantl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. n ) + 1 ) =/= 0 ) |
| 171 |
155 170
|
reccld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) e. CC ) |
| 172 |
10
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> N e. CC ) |
| 173 |
151 172
|
mulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 2 x. N ) e. CC ) |
| 174 |
173 154
|
addcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. N ) + 1 ) e. CC ) |
| 175 |
30
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. N ) + 1 ) =/= 0 ) |
| 176 |
174 175
|
reccld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. CC ) |
| 177 |
|
2nn0 |
|- 2 e. NN0 |
| 178 |
177
|
a1i |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 2 e. NN0 ) |
| 179 |
150
|
nnnn0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> n e. NN0 ) |
| 180 |
178 179
|
nn0mulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 2 x. n ) e. NN0 ) |
| 181 |
176 180
|
expcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) e. CC ) |
| 182 |
171 181
|
mulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) e. CC ) |
| 183 |
3 148 150 182
|
fvmptd3 |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( K ` n ) = ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) ) |
| 184 |
183
|
adantlr |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( K ` n ) = ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) ) |
| 185 |
167
|
gt0ne0d |
|- ( n e. NN -> ( ( 2 x. n ) + 1 ) =/= 0 ) |
| 186 |
161 185
|
rereccld |
|- ( n e. NN -> ( 1 / ( ( 2 x. n ) + 1 ) ) e. RR ) |
| 187 |
149 186
|
syl |
|- ( n e. ( 1 ... j ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) e. RR ) |
| 188 |
187
|
adantl |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) e. RR ) |
| 189 |
21 30
|
rereccld |
|- ( N e. NN -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. RR ) |
| 190 |
189
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. N ) + 1 ) ) e. RR ) |
| 191 |
190 180
|
reexpcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) e. RR ) |
| 192 |
191
|
adantlr |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) e. RR ) |
| 193 |
188 192
|
remulcld |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) e. RR ) |
| 194 |
184 193
|
eqeltrd |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( K ` n ) e. RR ) |
| 195 |
|
readdcl |
|- ( ( n e. RR /\ i e. RR ) -> ( n + i ) e. RR ) |
| 196 |
195
|
adantl |
|- ( ( ( N e. NN /\ j e. NN ) /\ ( n e. RR /\ i e. RR ) ) -> ( n + i ) e. RR ) |
| 197 |
143 194 196
|
seqcl |
|- ( ( N e. NN /\ j e. NN ) -> ( seq 1 ( + , K ) ` j ) e. RR ) |
| 198 |
|
oveq2 |
|- ( k = n -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ k ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 199 |
34
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. CC ) |
| 200 |
199 179
|
expcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) e. CC ) |
| 201 |
4 198 150 200
|
fvmptd3 |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( L ` n ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 202 |
37
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. RR ) |
| 203 |
202 179
|
reexpcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) e. RR ) |
| 204 |
201 203
|
eqeltrd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( L ` n ) e. RR ) |
| 205 |
204
|
adantlr |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( L ` n ) e. RR ) |
| 206 |
143 205 196
|
seqcl |
|- ( ( N e. NN /\ j e. NN ) -> ( seq 1 ( + , L ) ` j ) e. RR ) |
| 207 |
31
|
a1i |
|- ( n e. ( 1 ... j ) -> 2 e. ZZ ) |
| 208 |
|
elfzelz |
|- ( n e. ( 1 ... j ) -> n e. ZZ ) |
| 209 |
207 208
|
zmulcld |
|- ( n e. ( 1 ... j ) -> ( 2 x. n ) e. ZZ ) |
| 210 |
|
1exp |
|- ( ( 2 x. n ) e. ZZ -> ( 1 ^ ( 2 x. n ) ) = 1 ) |
| 211 |
209 210
|
syl |
|- ( n e. ( 1 ... j ) -> ( 1 ^ ( 2 x. n ) ) = 1 ) |
| 212 |
|
1exp |
|- ( n e. ZZ -> ( 1 ^ n ) = 1 ) |
| 213 |
208 212
|
syl |
|- ( n e. ( 1 ... j ) -> ( 1 ^ n ) = 1 ) |
| 214 |
211 213
|
eqtr4d |
|- ( n e. ( 1 ... j ) -> ( 1 ^ ( 2 x. n ) ) = ( 1 ^ n ) ) |
| 215 |
214
|
adantl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 ^ ( 2 x. n ) ) = ( 1 ^ n ) ) |
| 216 |
174 179 178
|
expmuld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( ( 2 x. N ) + 1 ) ^ ( 2 x. n ) ) = ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) ^ n ) ) |
| 217 |
215 216
|
oveq12d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 ^ ( 2 x. n ) ) / ( ( ( 2 x. N ) + 1 ) ^ ( 2 x. n ) ) ) = ( ( 1 ^ n ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) ^ n ) ) ) |
| 218 |
154 174 175 180
|
expdivd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) = ( ( 1 ^ ( 2 x. n ) ) / ( ( ( 2 x. N ) + 1 ) ^ ( 2 x. n ) ) ) ) |
| 219 |
174
|
sqcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. CC ) |
| 220 |
31
|
a1i |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 2 e. ZZ ) |
| 221 |
174 175 220
|
expne0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) =/= 0 ) |
| 222 |
154 219 221 179
|
expdivd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) = ( ( 1 ^ n ) / ( ( ( ( 2 x. N ) + 1 ) ^ 2 ) ^ n ) ) ) |
| 223 |
217 218 222
|
3eqtr4d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 224 |
223
|
oveq2d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) = ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) ) |
| 225 |
|
1rp |
|- 1 e. RR+ |
| 226 |
225
|
a1i |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 1 e. RR+ ) |
| 227 |
17
|
a1i |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 2 e. RR ) |
| 228 |
150
|
nnred |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> n e. RR ) |
| 229 |
227 228
|
remulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 2 x. n ) e. RR ) |
| 230 |
178
|
nn0ge0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ 2 ) |
| 231 |
179
|
nn0ge0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ n ) |
| 232 |
227 228 230 231
|
mulge0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ ( 2 x. n ) ) |
| 233 |
229 232
|
ge0p1rpd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. n ) + 1 ) e. RR+ ) |
| 234 |
|
1red |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 1 e. RR ) |
| 235 |
226
|
rpge0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ 1 ) |
| 236 |
157 161 166
|
ltled |
|- ( n e. NN -> 1 <_ ( ( 2 x. n ) + 1 ) ) |
| 237 |
149 236
|
syl |
|- ( n e. ( 1 ... j ) -> 1 <_ ( ( 2 x. n ) + 1 ) ) |
| 238 |
237
|
adantl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 1 <_ ( ( 2 x. n ) + 1 ) ) |
| 239 |
226 233 234 235 238
|
lediv2ad |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) <_ ( 1 / 1 ) ) |
| 240 |
154
|
div1d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / 1 ) = 1 ) |
| 241 |
239 240
|
breqtrd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) <_ 1 ) |
| 242 |
150 186
|
syl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( 2 x. n ) + 1 ) ) e. RR ) |
| 243 |
19
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> N e. RR ) |
| 244 |
227 243
|
remulcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 2 x. N ) e. RR ) |
| 245 |
15 19 119
|
ltled |
|- ( N e. NN -> 0 <_ N ) |
| 246 |
245
|
adantr |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ N ) |
| 247 |
227 243 230 246
|
mulge0d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> 0 <_ ( 2 x. N ) ) |
| 248 |
244 247
|
ge0p1rpd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 2 x. N ) + 1 ) e. RR+ ) |
| 249 |
248 220
|
rpexpcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( ( 2 x. N ) + 1 ) ^ 2 ) e. RR+ ) |
| 250 |
249
|
rpreccld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) e. RR+ ) |
| 251 |
208
|
adantl |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> n e. ZZ ) |
| 252 |
250 251
|
rpexpcld |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) e. RR+ ) |
| 253 |
242 234 252
|
lemul1d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) <_ 1 <-> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) <_ ( 1 x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) ) ) |
| 254 |
241 253
|
mpbid |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) <_ ( 1 x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) ) |
| 255 |
200
|
mullidd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( 1 x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) = ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 256 |
254 255
|
breqtrd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) <_ ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 257 |
224 256
|
eqbrtrd |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( ( 1 / ( ( 2 x. n ) + 1 ) ) x. ( ( 1 / ( ( 2 x. N ) + 1 ) ) ^ ( 2 x. n ) ) ) <_ ( ( 1 / ( ( ( 2 x. N ) + 1 ) ^ 2 ) ) ^ n ) ) |
| 258 |
257 183 201
|
3brtr4d |
|- ( ( N e. NN /\ n e. ( 1 ... j ) ) -> ( K ` n ) <_ ( L ` n ) ) |
| 259 |
258
|
adantlr |
|- ( ( ( N e. NN /\ j e. NN ) /\ n e. ( 1 ... j ) ) -> ( K ` n ) <_ ( L ` n ) ) |
| 260 |
143 194 205 259
|
serle |
|- ( ( N e. NN /\ j e. NN ) -> ( seq 1 ( + , K ) ` j ) <_ ( seq 1 ( + , L ) ` j ) ) |
| 261 |
5 6 8 142 197 206 260
|
climle |
|- ( N e. NN -> ( ( B ` N ) - ( B ` ( N + 1 ) ) ) <_ ( ( 1 / 4 ) x. ( 1 / ( N x. ( N + 1 ) ) ) ) ) |