Step |
Hyp |
Ref |
Expression |
1 |
|
2re |
|- 2 e. RR |
2 |
|
1lt2 |
|- 1 < 2 |
3 |
|
rplogcl |
|- ( ( 2 e. RR /\ 1 < 2 ) -> ( log ` 2 ) e. RR+ ) |
4 |
1 2 3
|
mp2an |
|- ( log ` 2 ) e. RR+ |
5 |
|
elrp |
|- ( ( log ` 2 ) e. RR+ <-> ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) |
6 |
4 5
|
mpbi |
|- ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) |
7 |
6
|
simpli |
|- ( log ` 2 ) e. RR |
8 |
7
|
recni |
|- ( log ` 2 ) e. CC |
9 |
8
|
mulid1i |
|- ( ( log ` 2 ) x. 1 ) = ( log ` 2 ) |
10 |
|
cht2 |
|- ( theta ` 2 ) = ( log ` 2 ) |
11 |
9 10
|
eqtr4i |
|- ( ( log ` 2 ) x. 1 ) = ( theta ` 2 ) |
12 |
|
fveq2 |
|- ( ( |_ ` N ) = 2 -> ( theta ` ( |_ ` N ) ) = ( theta ` 2 ) ) |
13 |
11 12
|
eqtr4id |
|- ( ( |_ ` N ) = 2 -> ( ( log ` 2 ) x. 1 ) = ( theta ` ( |_ ` N ) ) ) |
14 |
|
chtfl |
|- ( N e. RR -> ( theta ` ( |_ ` N ) ) = ( theta ` N ) ) |
15 |
14
|
adantr |
|- ( ( N e. RR /\ 2 < N ) -> ( theta ` ( |_ ` N ) ) = ( theta ` N ) ) |
16 |
13 15
|
sylan9eqr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( ( log ` 2 ) x. 1 ) = ( theta ` N ) ) |
17 |
|
2t2e4 |
|- ( 2 x. 2 ) = 4 |
18 |
|
df-4 |
|- 4 = ( 3 + 1 ) |
19 |
17 18
|
eqtri |
|- ( 2 x. 2 ) = ( 3 + 1 ) |
20 |
|
simplr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> 2 < N ) |
21 |
|
simpl |
|- ( ( N e. RR /\ 2 < N ) -> N e. RR ) |
22 |
|
2pos |
|- 0 < 2 |
23 |
1 22
|
pm3.2i |
|- ( 2 e. RR /\ 0 < 2 ) |
24 |
23
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 2 e. RR /\ 0 < 2 ) ) |
25 |
|
ltmul2 |
|- ( ( 2 e. RR /\ N e. RR /\ ( 2 e. RR /\ 0 < 2 ) ) -> ( 2 < N <-> ( 2 x. 2 ) < ( 2 x. N ) ) ) |
26 |
1 21 24 25
|
mp3an2ani |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 2 < N <-> ( 2 x. 2 ) < ( 2 x. N ) ) ) |
27 |
20 26
|
mpbid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 2 x. 2 ) < ( 2 x. N ) ) |
28 |
19 27
|
eqbrtrrid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 3 + 1 ) < ( 2 x. N ) ) |
29 |
|
3re |
|- 3 e. RR |
30 |
29
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> 3 e. RR ) |
31 |
|
1red |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> 1 e. RR ) |
32 |
|
remulcl |
|- ( ( 2 e. RR /\ N e. RR ) -> ( 2 x. N ) e. RR ) |
33 |
1 21 32
|
sylancr |
|- ( ( N e. RR /\ 2 < N ) -> ( 2 x. N ) e. RR ) |
34 |
33
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 2 x. N ) e. RR ) |
35 |
30 31 34
|
ltaddsub2d |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( ( 3 + 1 ) < ( 2 x. N ) <-> 1 < ( ( 2 x. N ) - 3 ) ) ) |
36 |
28 35
|
mpbid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> 1 < ( ( 2 x. N ) - 3 ) ) |
37 |
|
resubcl |
|- ( ( ( 2 x. N ) e. RR /\ 3 e. RR ) -> ( ( 2 x. N ) - 3 ) e. RR ) |
38 |
33 29 37
|
sylancl |
|- ( ( N e. RR /\ 2 < N ) -> ( ( 2 x. N ) - 3 ) e. RR ) |
39 |
38
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( ( 2 x. N ) - 3 ) e. RR ) |
40 |
6
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) |
41 |
|
ltmul2 |
|- ( ( 1 e. RR /\ ( ( 2 x. N ) - 3 ) e. RR /\ ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) -> ( 1 < ( ( 2 x. N ) - 3 ) <-> ( ( log ` 2 ) x. 1 ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) ) |
42 |
31 39 40 41
|
syl3anc |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( 1 < ( ( 2 x. N ) - 3 ) <-> ( ( log ` 2 ) x. 1 ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) ) |
43 |
36 42
|
mpbid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( ( log ` 2 ) x. 1 ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) |
44 |
16 43
|
eqbrtrrd |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) = 2 ) -> ( theta ` N ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) |
45 |
|
chtcl |
|- ( N e. RR -> ( theta ` N ) e. RR ) |
46 |
45
|
ad2antrr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( theta ` N ) e. RR ) |
47 |
|
reflcl |
|- ( N e. RR -> ( |_ ` N ) e. RR ) |
48 |
47
|
ad2antrr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( |_ ` N ) e. RR ) |
49 |
|
remulcl |
|- ( ( 2 e. RR /\ ( |_ ` N ) e. RR ) -> ( 2 x. ( |_ ` N ) ) e. RR ) |
50 |
1 48 49
|
sylancr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( 2 x. ( |_ ` N ) ) e. RR ) |
51 |
|
resubcl |
|- ( ( ( 2 x. ( |_ ` N ) ) e. RR /\ 3 e. RR ) -> ( ( 2 x. ( |_ ` N ) ) - 3 ) e. RR ) |
52 |
50 29 51
|
sylancl |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( 2 x. ( |_ ` N ) ) - 3 ) e. RR ) |
53 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ ( ( 2 x. ( |_ ` N ) ) - 3 ) e. RR ) -> ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) e. RR ) |
54 |
7 52 53
|
sylancr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) e. RR ) |
55 |
38
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( 2 x. N ) - 3 ) e. RR ) |
56 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ ( ( 2 x. N ) - 3 ) e. RR ) -> ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) e. RR ) |
57 |
7 55 56
|
sylancr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) e. RR ) |
58 |
15
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( theta ` ( |_ ` N ) ) = ( theta ` N ) ) |
59 |
|
simpr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) |
60 |
|
df-3 |
|- 3 = ( 2 + 1 ) |
61 |
60
|
fveq2i |
|- ( ZZ>= ` 3 ) = ( ZZ>= ` ( 2 + 1 ) ) |
62 |
59 61
|
eleqtrrdi |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( |_ ` N ) e. ( ZZ>= ` 3 ) ) |
63 |
|
fveq2 |
|- ( k = ( |_ ` N ) -> ( theta ` k ) = ( theta ` ( |_ ` N ) ) ) |
64 |
|
oveq2 |
|- ( k = ( |_ ` N ) -> ( 2 x. k ) = ( 2 x. ( |_ ` N ) ) ) |
65 |
64
|
oveq1d |
|- ( k = ( |_ ` N ) -> ( ( 2 x. k ) - 3 ) = ( ( 2 x. ( |_ ` N ) ) - 3 ) ) |
66 |
65
|
oveq2d |
|- ( k = ( |_ ` N ) -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) ) |
67 |
63 66
|
breq12d |
|- ( k = ( |_ ` N ) -> ( ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> ( theta ` ( |_ ` N ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) ) ) |
68 |
|
oveq2 |
|- ( x = 3 -> ( 3 ... x ) = ( 3 ... 3 ) ) |
69 |
68
|
raleqdv |
|- ( x = 3 -> ( A. k e. ( 3 ... x ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> A. k e. ( 3 ... 3 ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
70 |
|
oveq2 |
|- ( x = n -> ( 3 ... x ) = ( 3 ... n ) ) |
71 |
70
|
raleqdv |
|- ( x = n -> ( A. k e. ( 3 ... x ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
72 |
|
oveq2 |
|- ( x = ( n + 1 ) -> ( 3 ... x ) = ( 3 ... ( n + 1 ) ) ) |
73 |
72
|
raleqdv |
|- ( x = ( n + 1 ) -> ( A. k e. ( 3 ... x ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> A. k e. ( 3 ... ( n + 1 ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
74 |
|
oveq2 |
|- ( x = ( |_ ` N ) -> ( 3 ... x ) = ( 3 ... ( |_ ` N ) ) ) |
75 |
74
|
raleqdv |
|- ( x = ( |_ ` N ) -> ( A. k e. ( 3 ... x ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> A. k e. ( 3 ... ( |_ ` N ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
76 |
|
6lt8 |
|- 6 < 8 |
77 |
|
6re |
|- 6 e. RR |
78 |
|
6pos |
|- 0 < 6 |
79 |
77 78
|
elrpii |
|- 6 e. RR+ |
80 |
|
8re |
|- 8 e. RR |
81 |
|
8pos |
|- 0 < 8 |
82 |
80 81
|
elrpii |
|- 8 e. RR+ |
83 |
|
logltb |
|- ( ( 6 e. RR+ /\ 8 e. RR+ ) -> ( 6 < 8 <-> ( log ` 6 ) < ( log ` 8 ) ) ) |
84 |
79 82 83
|
mp2an |
|- ( 6 < 8 <-> ( log ` 6 ) < ( log ` 8 ) ) |
85 |
76 84
|
mpbi |
|- ( log ` 6 ) < ( log ` 8 ) |
86 |
85
|
a1i |
|- ( k e. ( 3 ... 3 ) -> ( log ` 6 ) < ( log ` 8 ) ) |
87 |
|
elfz1eq |
|- ( k e. ( 3 ... 3 ) -> k = 3 ) |
88 |
87
|
fveq2d |
|- ( k e. ( 3 ... 3 ) -> ( theta ` k ) = ( theta ` 3 ) ) |
89 |
|
cht3 |
|- ( theta ` 3 ) = ( log ` 6 ) |
90 |
88 89
|
eqtrdi |
|- ( k e. ( 3 ... 3 ) -> ( theta ` k ) = ( log ` 6 ) ) |
91 |
87
|
oveq2d |
|- ( k e. ( 3 ... 3 ) -> ( 2 x. k ) = ( 2 x. 3 ) ) |
92 |
91
|
oveq1d |
|- ( k e. ( 3 ... 3 ) -> ( ( 2 x. k ) - 3 ) = ( ( 2 x. 3 ) - 3 ) ) |
93 |
|
3cn |
|- 3 e. CC |
94 |
93
|
2timesi |
|- ( 2 x. 3 ) = ( 3 + 3 ) |
95 |
93 93 94
|
mvrraddi |
|- ( ( 2 x. 3 ) - 3 ) = 3 |
96 |
92 95
|
eqtrdi |
|- ( k e. ( 3 ... 3 ) -> ( ( 2 x. k ) - 3 ) = 3 ) |
97 |
96
|
oveq2d |
|- ( k e. ( 3 ... 3 ) -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( ( log ` 2 ) x. 3 ) ) |
98 |
|
2rp |
|- 2 e. RR+ |
99 |
|
relogcl |
|- ( 2 e. RR+ -> ( log ` 2 ) e. RR ) |
100 |
98 99
|
ax-mp |
|- ( log ` 2 ) e. RR |
101 |
100
|
recni |
|- ( log ` 2 ) e. CC |
102 |
101 93
|
mulcomi |
|- ( ( log ` 2 ) x. 3 ) = ( 3 x. ( log ` 2 ) ) |
103 |
|
3z |
|- 3 e. ZZ |
104 |
|
relogexp |
|- ( ( 2 e. RR+ /\ 3 e. ZZ ) -> ( log ` ( 2 ^ 3 ) ) = ( 3 x. ( log ` 2 ) ) ) |
105 |
98 103 104
|
mp2an |
|- ( log ` ( 2 ^ 3 ) ) = ( 3 x. ( log ` 2 ) ) |
106 |
102 105
|
eqtr4i |
|- ( ( log ` 2 ) x. 3 ) = ( log ` ( 2 ^ 3 ) ) |
107 |
|
cu2 |
|- ( 2 ^ 3 ) = 8 |
108 |
107
|
fveq2i |
|- ( log ` ( 2 ^ 3 ) ) = ( log ` 8 ) |
109 |
106 108
|
eqtri |
|- ( ( log ` 2 ) x. 3 ) = ( log ` 8 ) |
110 |
97 109
|
eqtrdi |
|- ( k e. ( 3 ... 3 ) -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( log ` 8 ) ) |
111 |
86 90 110
|
3brtr4d |
|- ( k e. ( 3 ... 3 ) -> ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) |
112 |
111
|
rgen |
|- A. k e. ( 3 ... 3 ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) |
113 |
|
df-2 |
|- 2 = ( 1 + 1 ) |
114 |
|
2div2e1 |
|- ( 2 / 2 ) = 1 |
115 |
|
eluzle |
|- ( n e. ( ZZ>= ` 3 ) -> 3 <_ n ) |
116 |
60 115
|
eqbrtrrid |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 + 1 ) <_ n ) |
117 |
|
2z |
|- 2 e. ZZ |
118 |
|
eluzelz |
|- ( n e. ( ZZ>= ` 3 ) -> n e. ZZ ) |
119 |
|
zltp1le |
|- ( ( 2 e. ZZ /\ n e. ZZ ) -> ( 2 < n <-> ( 2 + 1 ) <_ n ) ) |
120 |
117 118 119
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 < n <-> ( 2 + 1 ) <_ n ) ) |
121 |
116 120
|
mpbird |
|- ( n e. ( ZZ>= ` 3 ) -> 2 < n ) |
122 |
|
eluzelre |
|- ( n e. ( ZZ>= ` 3 ) -> n e. RR ) |
123 |
|
ltdiv1 |
|- ( ( 2 e. RR /\ n e. RR /\ ( 2 e. RR /\ 0 < 2 ) ) -> ( 2 < n <-> ( 2 / 2 ) < ( n / 2 ) ) ) |
124 |
1 23 123
|
mp3an13 |
|- ( n e. RR -> ( 2 < n <-> ( 2 / 2 ) < ( n / 2 ) ) ) |
125 |
122 124
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 < n <-> ( 2 / 2 ) < ( n / 2 ) ) ) |
126 |
121 125
|
mpbid |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 / 2 ) < ( n / 2 ) ) |
127 |
114 126
|
eqbrtrrid |
|- ( n e. ( ZZ>= ` 3 ) -> 1 < ( n / 2 ) ) |
128 |
122
|
rehalfcld |
|- ( n e. ( ZZ>= ` 3 ) -> ( n / 2 ) e. RR ) |
129 |
|
1re |
|- 1 e. RR |
130 |
|
ltadd1 |
|- ( ( 1 e. RR /\ ( n / 2 ) e. RR /\ 1 e. RR ) -> ( 1 < ( n / 2 ) <-> ( 1 + 1 ) < ( ( n / 2 ) + 1 ) ) ) |
131 |
129 129 130
|
mp3an13 |
|- ( ( n / 2 ) e. RR -> ( 1 < ( n / 2 ) <-> ( 1 + 1 ) < ( ( n / 2 ) + 1 ) ) ) |
132 |
128 131
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( 1 < ( n / 2 ) <-> ( 1 + 1 ) < ( ( n / 2 ) + 1 ) ) ) |
133 |
127 132
|
mpbid |
|- ( n e. ( ZZ>= ` 3 ) -> ( 1 + 1 ) < ( ( n / 2 ) + 1 ) ) |
134 |
113 133
|
eqbrtrid |
|- ( n e. ( ZZ>= ` 3 ) -> 2 < ( ( n / 2 ) + 1 ) ) |
135 |
134
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> 2 < ( ( n / 2 ) + 1 ) ) |
136 |
|
peano2z |
|- ( ( n / 2 ) e. ZZ -> ( ( n / 2 ) + 1 ) e. ZZ ) |
137 |
136
|
adantl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) e. ZZ ) |
138 |
|
zltp1le |
|- ( ( 2 e. ZZ /\ ( ( n / 2 ) + 1 ) e. ZZ ) -> ( 2 < ( ( n / 2 ) + 1 ) <-> ( 2 + 1 ) <_ ( ( n / 2 ) + 1 ) ) ) |
139 |
117 137 138
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 < ( ( n / 2 ) + 1 ) <-> ( 2 + 1 ) <_ ( ( n / 2 ) + 1 ) ) ) |
140 |
135 139
|
mpbid |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 + 1 ) <_ ( ( n / 2 ) + 1 ) ) |
141 |
60 140
|
eqbrtrid |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> 3 <_ ( ( n / 2 ) + 1 ) ) |
142 |
|
1red |
|- ( n e. ( ZZ>= ` 3 ) -> 1 e. RR ) |
143 |
|
ltle |
|- ( ( 1 e. RR /\ ( n / 2 ) e. RR ) -> ( 1 < ( n / 2 ) -> 1 <_ ( n / 2 ) ) ) |
144 |
129 128 143
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( 1 < ( n / 2 ) -> 1 <_ ( n / 2 ) ) ) |
145 |
127 144
|
mpd |
|- ( n e. ( ZZ>= ` 3 ) -> 1 <_ ( n / 2 ) ) |
146 |
142 128 128 145
|
leadd2dd |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( n / 2 ) + 1 ) <_ ( ( n / 2 ) + ( n / 2 ) ) ) |
147 |
122
|
recnd |
|- ( n e. ( ZZ>= ` 3 ) -> n e. CC ) |
148 |
147
|
2halvesd |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( n / 2 ) + ( n / 2 ) ) = n ) |
149 |
146 148
|
breqtrd |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( n / 2 ) + 1 ) <_ n ) |
150 |
149
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) <_ n ) |
151 |
|
elfz |
|- ( ( ( ( n / 2 ) + 1 ) e. ZZ /\ 3 e. ZZ /\ n e. ZZ ) -> ( ( ( n / 2 ) + 1 ) e. ( 3 ... n ) <-> ( 3 <_ ( ( n / 2 ) + 1 ) /\ ( ( n / 2 ) + 1 ) <_ n ) ) ) |
152 |
103 151
|
mp3an2 |
|- ( ( ( ( n / 2 ) + 1 ) e. ZZ /\ n e. ZZ ) -> ( ( ( n / 2 ) + 1 ) e. ( 3 ... n ) <-> ( 3 <_ ( ( n / 2 ) + 1 ) /\ ( ( n / 2 ) + 1 ) <_ n ) ) ) |
153 |
136 118 152
|
syl2anr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( n / 2 ) + 1 ) e. ( 3 ... n ) <-> ( 3 <_ ( ( n / 2 ) + 1 ) /\ ( ( n / 2 ) + 1 ) <_ n ) ) ) |
154 |
141 150 153
|
mpbir2and |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) e. ( 3 ... n ) ) |
155 |
|
fveq2 |
|- ( k = ( ( n / 2 ) + 1 ) -> ( theta ` k ) = ( theta ` ( ( n / 2 ) + 1 ) ) ) |
156 |
|
oveq2 |
|- ( k = ( ( n / 2 ) + 1 ) -> ( 2 x. k ) = ( 2 x. ( ( n / 2 ) + 1 ) ) ) |
157 |
156
|
oveq1d |
|- ( k = ( ( n / 2 ) + 1 ) -> ( ( 2 x. k ) - 3 ) = ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) |
158 |
157
|
oveq2d |
|- ( k = ( ( n / 2 ) + 1 ) -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) ) |
159 |
155 158
|
breq12d |
|- ( k = ( ( n / 2 ) + 1 ) -> ( ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) ) ) |
160 |
159
|
rspcv |
|- ( ( ( n / 2 ) + 1 ) e. ( 3 ... n ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) ) ) |
161 |
154 160
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) ) ) |
162 |
128
|
recnd |
|- ( n e. ( ZZ>= ` 3 ) -> ( n / 2 ) e. CC ) |
163 |
162
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( n / 2 ) e. CC ) |
164 |
|
2cn |
|- 2 e. CC |
165 |
|
ax-1cn |
|- 1 e. CC |
166 |
|
adddi |
|- ( ( 2 e. CC /\ ( n / 2 ) e. CC /\ 1 e. CC ) -> ( 2 x. ( ( n / 2 ) + 1 ) ) = ( ( 2 x. ( n / 2 ) ) + ( 2 x. 1 ) ) ) |
167 |
164 165 166
|
mp3an13 |
|- ( ( n / 2 ) e. CC -> ( 2 x. ( ( n / 2 ) + 1 ) ) = ( ( 2 x. ( n / 2 ) ) + ( 2 x. 1 ) ) ) |
168 |
163 167
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. ( ( n / 2 ) + 1 ) ) = ( ( 2 x. ( n / 2 ) ) + ( 2 x. 1 ) ) ) |
169 |
147
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> n e. CC ) |
170 |
|
2ne0 |
|- 2 =/= 0 |
171 |
|
divcan2 |
|- ( ( n e. CC /\ 2 e. CC /\ 2 =/= 0 ) -> ( 2 x. ( n / 2 ) ) = n ) |
172 |
164 170 171
|
mp3an23 |
|- ( n e. CC -> ( 2 x. ( n / 2 ) ) = n ) |
173 |
169 172
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. ( n / 2 ) ) = n ) |
174 |
164
|
mulid1i |
|- ( 2 x. 1 ) = 2 |
175 |
174
|
a1i |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. 1 ) = 2 ) |
176 |
173 175
|
oveq12d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( n / 2 ) ) + ( 2 x. 1 ) ) = ( n + 2 ) ) |
177 |
168 176
|
eqtrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. ( ( n / 2 ) + 1 ) ) = ( n + 2 ) ) |
178 |
177
|
oveq1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) = ( ( n + 2 ) - 3 ) ) |
179 |
|
subsub3 |
|- ( ( n e. CC /\ 3 e. CC /\ 2 e. CC ) -> ( n - ( 3 - 2 ) ) = ( ( n + 2 ) - 3 ) ) |
180 |
93 164 179
|
mp3an23 |
|- ( n e. CC -> ( n - ( 3 - 2 ) ) = ( ( n + 2 ) - 3 ) ) |
181 |
169 180
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( n - ( 3 - 2 ) ) = ( ( n + 2 ) - 3 ) ) |
182 |
|
2p1e3 |
|- ( 2 + 1 ) = 3 |
183 |
93 164 165 182
|
subaddrii |
|- ( 3 - 2 ) = 1 |
184 |
183
|
oveq2i |
|- ( n - ( 3 - 2 ) ) = ( n - 1 ) |
185 |
181 184
|
eqtr3di |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n + 2 ) - 3 ) = ( n - 1 ) ) |
186 |
178 185
|
eqtrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) = ( n - 1 ) ) |
187 |
186
|
oveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) = ( ( log ` 2 ) x. ( n - 1 ) ) ) |
188 |
187
|
breq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) <-> ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( n - 1 ) ) ) ) |
189 |
137
|
zred |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) e. RR ) |
190 |
|
chtcl |
|- ( ( ( n / 2 ) + 1 ) e. RR -> ( theta ` ( ( n / 2 ) + 1 ) ) e. RR ) |
191 |
189 190
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( theta ` ( ( n / 2 ) + 1 ) ) e. RR ) |
192 |
122
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> n e. RR ) |
193 |
|
peano2rem |
|- ( n e. RR -> ( n - 1 ) e. RR ) |
194 |
192 193
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( n - 1 ) e. RR ) |
195 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ ( n - 1 ) e. RR ) -> ( ( log ` 2 ) x. ( n - 1 ) ) e. RR ) |
196 |
100 194 195
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( n - 1 ) ) e. RR ) |
197 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ n e. RR ) -> ( ( log ` 2 ) x. n ) e. RR ) |
198 |
100 192 197
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. n ) e. RR ) |
199 |
191 196 198
|
ltadd1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( n - 1 ) ) <-> ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( ( log ` 2 ) x. ( n - 1 ) ) + ( ( log ` 2 ) x. n ) ) ) ) |
200 |
101
|
a1i |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( log ` 2 ) e. CC ) |
201 |
194
|
recnd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( n - 1 ) e. CC ) |
202 |
200 201 169
|
adddid |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( ( n - 1 ) + n ) ) = ( ( ( log ` 2 ) x. ( n - 1 ) ) + ( ( log ` 2 ) x. n ) ) ) |
203 |
|
adddi |
|- ( ( 2 e. CC /\ n e. CC /\ 1 e. CC ) -> ( 2 x. ( n + 1 ) ) = ( ( 2 x. n ) + ( 2 x. 1 ) ) ) |
204 |
164 165 203
|
mp3an13 |
|- ( n e. CC -> ( 2 x. ( n + 1 ) ) = ( ( 2 x. n ) + ( 2 x. 1 ) ) ) |
205 |
169 204
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. ( n + 1 ) ) = ( ( 2 x. n ) + ( 2 x. 1 ) ) ) |
206 |
174
|
oveq2i |
|- ( ( 2 x. n ) + ( 2 x. 1 ) ) = ( ( 2 x. n ) + 2 ) |
207 |
205 206
|
eqtrdi |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. ( n + 1 ) ) = ( ( 2 x. n ) + 2 ) ) |
208 |
207
|
oveq1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( n + 1 ) ) - 3 ) = ( ( ( 2 x. n ) + 2 ) - 3 ) ) |
209 |
|
zmulcl |
|- ( ( 2 e. ZZ /\ n e. ZZ ) -> ( 2 x. n ) e. ZZ ) |
210 |
117 118 209
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. n ) e. ZZ ) |
211 |
210
|
zcnd |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. n ) e. CC ) |
212 |
211
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. n ) e. CC ) |
213 |
|
subsub3 |
|- ( ( ( 2 x. n ) e. CC /\ 3 e. CC /\ 2 e. CC ) -> ( ( 2 x. n ) - ( 3 - 2 ) ) = ( ( ( 2 x. n ) + 2 ) - 3 ) ) |
214 |
93 164 213
|
mp3an23 |
|- ( ( 2 x. n ) e. CC -> ( ( 2 x. n ) - ( 3 - 2 ) ) = ( ( ( 2 x. n ) + 2 ) - 3 ) ) |
215 |
212 214
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. n ) - ( 3 - 2 ) ) = ( ( ( 2 x. n ) + 2 ) - 3 ) ) |
216 |
183
|
oveq2i |
|- ( ( 2 x. n ) - ( 3 - 2 ) ) = ( ( 2 x. n ) - 1 ) |
217 |
169
|
2timesd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( 2 x. n ) = ( n + n ) ) |
218 |
217
|
oveq1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. n ) - 1 ) = ( ( n + n ) - 1 ) ) |
219 |
165
|
a1i |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> 1 e. CC ) |
220 |
169 169 219
|
addsubd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n + n ) - 1 ) = ( ( n - 1 ) + n ) ) |
221 |
218 220
|
eqtrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. n ) - 1 ) = ( ( n - 1 ) + n ) ) |
222 |
216 221
|
syl5eq |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. n ) - ( 3 - 2 ) ) = ( ( n - 1 ) + n ) ) |
223 |
208 215 222
|
3eqtr2rd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n - 1 ) + n ) = ( ( 2 x. ( n + 1 ) ) - 3 ) ) |
224 |
223
|
oveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( ( n - 1 ) + n ) ) = ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) |
225 |
202 224
|
eqtr3d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( log ` 2 ) x. ( n - 1 ) ) + ( ( log ` 2 ) x. n ) ) = ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) |
226 |
225
|
breq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( ( log ` 2 ) x. ( n - 1 ) ) + ( ( log ` 2 ) x. n ) ) <-> ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
227 |
188 199 226
|
3bitrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) <-> ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
228 |
|
3nn |
|- 3 e. NN |
229 |
|
elfzuz |
|- ( ( ( n / 2 ) + 1 ) e. ( 3 ... n ) -> ( ( n / 2 ) + 1 ) e. ( ZZ>= ` 3 ) ) |
230 |
154 229
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) e. ( ZZ>= ` 3 ) ) |
231 |
|
eluznn |
|- ( ( 3 e. NN /\ ( ( n / 2 ) + 1 ) e. ( ZZ>= ` 3 ) ) -> ( ( n / 2 ) + 1 ) e. NN ) |
232 |
228 230 231
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n / 2 ) + 1 ) e. NN ) |
233 |
|
chtublem |
|- ( ( ( n / 2 ) + 1 ) e. NN -> ( theta ` ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 1 ) ) <_ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 4 ) x. ( ( ( n / 2 ) + 1 ) - 1 ) ) ) ) |
234 |
232 233
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( theta ` ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 1 ) ) <_ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 4 ) x. ( ( ( n / 2 ) + 1 ) - 1 ) ) ) ) |
235 |
177
|
oveq1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 1 ) = ( ( n + 2 ) - 1 ) ) |
236 |
|
addsubass |
|- ( ( n e. CC /\ 2 e. CC /\ 1 e. CC ) -> ( ( n + 2 ) - 1 ) = ( n + ( 2 - 1 ) ) ) |
237 |
164 165 236
|
mp3an23 |
|- ( n e. CC -> ( ( n + 2 ) - 1 ) = ( n + ( 2 - 1 ) ) ) |
238 |
169 237
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n + 2 ) - 1 ) = ( n + ( 2 - 1 ) ) ) |
239 |
|
2m1e1 |
|- ( 2 - 1 ) = 1 |
240 |
239
|
oveq2i |
|- ( n + ( 2 - 1 ) ) = ( n + 1 ) |
241 |
238 240
|
eqtrdi |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( n + 2 ) - 1 ) = ( n + 1 ) ) |
242 |
235 241
|
eqtrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 1 ) = ( n + 1 ) ) |
243 |
242
|
fveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( theta ` ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 1 ) ) = ( theta ` ( n + 1 ) ) ) |
244 |
|
pncan |
|- ( ( ( n / 2 ) e. CC /\ 1 e. CC ) -> ( ( ( n / 2 ) + 1 ) - 1 ) = ( n / 2 ) ) |
245 |
163 165 244
|
sylancl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( n / 2 ) + 1 ) - 1 ) = ( n / 2 ) ) |
246 |
245
|
oveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 4 ) x. ( ( ( n / 2 ) + 1 ) - 1 ) ) = ( ( log ` 4 ) x. ( n / 2 ) ) ) |
247 |
|
relogexp |
|- ( ( 2 e. RR+ /\ 2 e. ZZ ) -> ( log ` ( 2 ^ 2 ) ) = ( 2 x. ( log ` 2 ) ) ) |
248 |
98 117 247
|
mp2an |
|- ( log ` ( 2 ^ 2 ) ) = ( 2 x. ( log ` 2 ) ) |
249 |
|
sq2 |
|- ( 2 ^ 2 ) = 4 |
250 |
249
|
fveq2i |
|- ( log ` ( 2 ^ 2 ) ) = ( log ` 4 ) |
251 |
164 101
|
mulcomi |
|- ( 2 x. ( log ` 2 ) ) = ( ( log ` 2 ) x. 2 ) |
252 |
248 250 251
|
3eqtr3i |
|- ( log ` 4 ) = ( ( log ` 2 ) x. 2 ) |
253 |
252
|
oveq1i |
|- ( ( log ` 4 ) x. ( n / 2 ) ) = ( ( ( log ` 2 ) x. 2 ) x. ( n / 2 ) ) |
254 |
164
|
a1i |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> 2 e. CC ) |
255 |
200 254 163
|
mulassd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( log ` 2 ) x. 2 ) x. ( n / 2 ) ) = ( ( log ` 2 ) x. ( 2 x. ( n / 2 ) ) ) ) |
256 |
253 255
|
syl5eq |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 4 ) x. ( n / 2 ) ) = ( ( log ` 2 ) x. ( 2 x. ( n / 2 ) ) ) ) |
257 |
173
|
oveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( 2 x. ( n / 2 ) ) ) = ( ( log ` 2 ) x. n ) ) |
258 |
246 256 257
|
3eqtrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 4 ) x. ( ( ( n / 2 ) + 1 ) - 1 ) ) = ( ( log ` 2 ) x. n ) ) |
259 |
258
|
oveq2d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 4 ) x. ( ( ( n / 2 ) + 1 ) - 1 ) ) ) = ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) ) |
260 |
234 243 259
|
3brtr3d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( theta ` ( n + 1 ) ) <_ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) ) |
261 |
|
peano2uz |
|- ( n e. ( ZZ>= ` 3 ) -> ( n + 1 ) e. ( ZZ>= ` 3 ) ) |
262 |
|
eluzelz |
|- ( ( n + 1 ) e. ( ZZ>= ` 3 ) -> ( n + 1 ) e. ZZ ) |
263 |
261 262
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( n + 1 ) e. ZZ ) |
264 |
263
|
zred |
|- ( n e. ( ZZ>= ` 3 ) -> ( n + 1 ) e. RR ) |
265 |
264
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( n + 1 ) e. RR ) |
266 |
|
chtcl |
|- ( ( n + 1 ) e. RR -> ( theta ` ( n + 1 ) ) e. RR ) |
267 |
265 266
|
syl |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( theta ` ( n + 1 ) ) e. RR ) |
268 |
191 198
|
readdcld |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) e. RR ) |
269 |
|
zmulcl |
|- ( ( 2 e. ZZ /\ ( n + 1 ) e. ZZ ) -> ( 2 x. ( n + 1 ) ) e. ZZ ) |
270 |
117 263 269
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. ( n + 1 ) ) e. ZZ ) |
271 |
270
|
zred |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. ( n + 1 ) ) e. RR ) |
272 |
|
resubcl |
|- ( ( ( 2 x. ( n + 1 ) ) e. RR /\ 3 e. RR ) -> ( ( 2 x. ( n + 1 ) ) - 3 ) e. RR ) |
273 |
271 29 272
|
sylancl |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( 2 x. ( n + 1 ) ) - 3 ) e. RR ) |
274 |
273
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( 2 x. ( n + 1 ) ) - 3 ) e. RR ) |
275 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ ( ( 2 x. ( n + 1 ) ) - 3 ) e. RR ) -> ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) e. RR ) |
276 |
100 274 275
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) e. RR ) |
277 |
|
lelttr |
|- ( ( ( theta ` ( n + 1 ) ) e. RR /\ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) e. RR /\ ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) e. RR ) -> ( ( ( theta ` ( n + 1 ) ) <_ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) /\ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
278 |
267 268 276 277
|
syl3anc |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( theta ` ( n + 1 ) ) <_ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) /\ ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
279 |
260 278
|
mpand |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( ( theta ` ( ( n / 2 ) + 1 ) ) + ( ( log ` 2 ) x. n ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
280 |
227 279
|
sylbid |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( ( theta ` ( ( n / 2 ) + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( ( n / 2 ) + 1 ) ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
281 |
161 280
|
syld |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n / 2 ) e. ZZ ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
282 |
|
eluzfz2 |
|- ( n e. ( ZZ>= ` 3 ) -> n e. ( 3 ... n ) ) |
283 |
|
fveq2 |
|- ( k = n -> ( theta ` k ) = ( theta ` n ) ) |
284 |
|
oveq2 |
|- ( k = n -> ( 2 x. k ) = ( 2 x. n ) ) |
285 |
284
|
oveq1d |
|- ( k = n -> ( ( 2 x. k ) - 3 ) = ( ( 2 x. n ) - 3 ) ) |
286 |
285
|
oveq2d |
|- ( k = n -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) ) |
287 |
283 286
|
breq12d |
|- ( k = n -> ( ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) ) ) |
288 |
287
|
rspcv |
|- ( n e. ( 3 ... n ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) ) ) |
289 |
282 288
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) ) ) |
290 |
289
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) ) ) |
291 |
210
|
zred |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. n ) e. RR ) |
292 |
29
|
a1i |
|- ( n e. ( ZZ>= ` 3 ) -> 3 e. RR ) |
293 |
122
|
ltp1d |
|- ( n e. ( ZZ>= ` 3 ) -> n < ( n + 1 ) ) |
294 |
23
|
a1i |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 e. RR /\ 0 < 2 ) ) |
295 |
|
ltmul2 |
|- ( ( n e. RR /\ ( n + 1 ) e. RR /\ ( 2 e. RR /\ 0 < 2 ) ) -> ( n < ( n + 1 ) <-> ( 2 x. n ) < ( 2 x. ( n + 1 ) ) ) ) |
296 |
122 264 294 295
|
syl3anc |
|- ( n e. ( ZZ>= ` 3 ) -> ( n < ( n + 1 ) <-> ( 2 x. n ) < ( 2 x. ( n + 1 ) ) ) ) |
297 |
293 296
|
mpbid |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 x. n ) < ( 2 x. ( n + 1 ) ) ) |
298 |
291 271 292 297
|
ltsub1dd |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( 2 x. n ) - 3 ) < ( ( 2 x. ( n + 1 ) ) - 3 ) ) |
299 |
|
resubcl |
|- ( ( ( 2 x. n ) e. RR /\ 3 e. RR ) -> ( ( 2 x. n ) - 3 ) e. RR ) |
300 |
291 29 299
|
sylancl |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( 2 x. n ) - 3 ) e. RR ) |
301 |
6
|
a1i |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) |
302 |
|
ltmul2 |
|- ( ( ( ( 2 x. n ) - 3 ) e. RR /\ ( ( 2 x. ( n + 1 ) ) - 3 ) e. RR /\ ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) -> ( ( ( 2 x. n ) - 3 ) < ( ( 2 x. ( n + 1 ) ) - 3 ) <-> ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
303 |
300 273 301 302
|
syl3anc |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( ( 2 x. n ) - 3 ) < ( ( 2 x. ( n + 1 ) ) - 3 ) <-> ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
304 |
298 303
|
mpbid |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) |
305 |
|
chtcl |
|- ( n e. RR -> ( theta ` n ) e. RR ) |
306 |
122 305
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( theta ` n ) e. RR ) |
307 |
|
remulcl |
|- ( ( ( log ` 2 ) e. RR /\ ( ( 2 x. n ) - 3 ) e. RR ) -> ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) e. RR ) |
308 |
100 300 307
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) e. RR ) |
309 |
100 273 275
|
sylancr |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) e. RR ) |
310 |
|
lttr |
|- ( ( ( theta ` n ) e. RR /\ ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) e. RR /\ ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) e. RR ) -> ( ( ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) /\ ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
311 |
306 308 309 310
|
syl3anc |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) /\ ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
312 |
304 311
|
mpan2d |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
313 |
312
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) -> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
314 |
|
evend2 |
|- ( ( n + 1 ) e. ZZ -> ( 2 || ( n + 1 ) <-> ( ( n + 1 ) / 2 ) e. ZZ ) ) |
315 |
263 314
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 || ( n + 1 ) <-> ( ( n + 1 ) / 2 ) e. ZZ ) ) |
316 |
|
2lt3 |
|- 2 < 3 |
317 |
1 29
|
ltnlei |
|- ( 2 < 3 <-> -. 3 <_ 2 ) |
318 |
316 317
|
mpbi |
|- -. 3 <_ 2 |
319 |
|
breq2 |
|- ( 2 = ( n + 1 ) -> ( 3 <_ 2 <-> 3 <_ ( n + 1 ) ) ) |
320 |
318 319
|
mtbii |
|- ( 2 = ( n + 1 ) -> -. 3 <_ ( n + 1 ) ) |
321 |
|
eluzle |
|- ( ( n + 1 ) e. ( ZZ>= ` 3 ) -> 3 <_ ( n + 1 ) ) |
322 |
261 321
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> 3 <_ ( n + 1 ) ) |
323 |
320 322
|
nsyl3 |
|- ( n e. ( ZZ>= ` 3 ) -> -. 2 = ( n + 1 ) ) |
324 |
323
|
adantr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n + 1 ) e. Prime ) -> -. 2 = ( n + 1 ) ) |
325 |
|
uzid |
|- ( 2 e. ZZ -> 2 e. ( ZZ>= ` 2 ) ) |
326 |
117 325
|
ax-mp |
|- 2 e. ( ZZ>= ` 2 ) |
327 |
|
simpr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n + 1 ) e. Prime ) -> ( n + 1 ) e. Prime ) |
328 |
|
dvdsprm |
|- ( ( 2 e. ( ZZ>= ` 2 ) /\ ( n + 1 ) e. Prime ) -> ( 2 || ( n + 1 ) <-> 2 = ( n + 1 ) ) ) |
329 |
326 327 328
|
sylancr |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n + 1 ) e. Prime ) -> ( 2 || ( n + 1 ) <-> 2 = ( n + 1 ) ) ) |
330 |
324 329
|
mtbird |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( n + 1 ) e. Prime ) -> -. 2 || ( n + 1 ) ) |
331 |
330
|
ex |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( n + 1 ) e. Prime -> -. 2 || ( n + 1 ) ) ) |
332 |
331
|
con2d |
|- ( n e. ( ZZ>= ` 3 ) -> ( 2 || ( n + 1 ) -> -. ( n + 1 ) e. Prime ) ) |
333 |
315 332
|
sylbird |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( ( n + 1 ) / 2 ) e. ZZ -> -. ( n + 1 ) e. Prime ) ) |
334 |
333
|
imp |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> -. ( n + 1 ) e. Prime ) |
335 |
|
chtnprm |
|- ( ( n e. ZZ /\ -. ( n + 1 ) e. Prime ) -> ( theta ` ( n + 1 ) ) = ( theta ` n ) ) |
336 |
118 334 335
|
syl2an2r |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( theta ` ( n + 1 ) ) = ( theta ` n ) ) |
337 |
336
|
breq1d |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) <-> ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
338 |
313 337
|
sylibrd |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( ( theta ` n ) < ( ( log ` 2 ) x. ( ( 2 x. n ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
339 |
290 338
|
syld |
|- ( ( n e. ( ZZ>= ` 3 ) /\ ( ( n + 1 ) / 2 ) e. ZZ ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
340 |
|
zeo |
|- ( n e. ZZ -> ( ( n / 2 ) e. ZZ \/ ( ( n + 1 ) / 2 ) e. ZZ ) ) |
341 |
118 340
|
syl |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( n / 2 ) e. ZZ \/ ( ( n + 1 ) / 2 ) e. ZZ ) ) |
342 |
281 339 341
|
mpjaodan |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
343 |
|
ovex |
|- ( n + 1 ) e. _V |
344 |
|
fveq2 |
|- ( k = ( n + 1 ) -> ( theta ` k ) = ( theta ` ( n + 1 ) ) ) |
345 |
|
oveq2 |
|- ( k = ( n + 1 ) -> ( 2 x. k ) = ( 2 x. ( n + 1 ) ) ) |
346 |
345
|
oveq1d |
|- ( k = ( n + 1 ) -> ( ( 2 x. k ) - 3 ) = ( ( 2 x. ( n + 1 ) ) - 3 ) ) |
347 |
346
|
oveq2d |
|- ( k = ( n + 1 ) -> ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) = ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) |
348 |
344 347
|
breq12d |
|- ( k = ( n + 1 ) -> ( ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) ) |
349 |
343 348
|
ralsn |
|- ( A. k e. { ( n + 1 ) } ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> ( theta ` ( n + 1 ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( n + 1 ) ) - 3 ) ) ) |
350 |
342 349
|
syl6ibr |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> A. k e. { ( n + 1 ) } ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
351 |
350
|
ancld |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) /\ A. k e. { ( n + 1 ) } ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) ) |
352 |
|
ralun |
|- ( ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) /\ A. k e. { ( n + 1 ) } ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) -> A. k e. ( ( 3 ... n ) u. { ( n + 1 ) } ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) |
353 |
|
fzsuc |
|- ( n e. ( ZZ>= ` 3 ) -> ( 3 ... ( n + 1 ) ) = ( ( 3 ... n ) u. { ( n + 1 ) } ) ) |
354 |
353
|
raleqdv |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... ( n + 1 ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) <-> A. k e. ( ( 3 ... n ) u. { ( n + 1 ) } ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
355 |
352 354
|
syl5ibr |
|- ( n e. ( ZZ>= ` 3 ) -> ( ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) /\ A. k e. { ( n + 1 ) } ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) -> A. k e. ( 3 ... ( n + 1 ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
356 |
351 355
|
syld |
|- ( n e. ( ZZ>= ` 3 ) -> ( A. k e. ( 3 ... n ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) -> A. k e. ( 3 ... ( n + 1 ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) ) |
357 |
69 71 73 75 112 356
|
uzind4i |
|- ( ( |_ ` N ) e. ( ZZ>= ` 3 ) -> A. k e. ( 3 ... ( |_ ` N ) ) ( theta ` k ) < ( ( log ` 2 ) x. ( ( 2 x. k ) - 3 ) ) ) |
358 |
|
eluzfz2 |
|- ( ( |_ ` N ) e. ( ZZ>= ` 3 ) -> ( |_ ` N ) e. ( 3 ... ( |_ ` N ) ) ) |
359 |
67 357 358
|
rspcdva |
|- ( ( |_ ` N ) e. ( ZZ>= ` 3 ) -> ( theta ` ( |_ ` N ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) ) |
360 |
62 359
|
syl |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( theta ` ( |_ ` N ) ) < ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) ) |
361 |
58 360
|
eqbrtrrd |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( theta ` N ) < ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) ) |
362 |
33
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( 2 x. N ) e. RR ) |
363 |
29
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> 3 e. RR ) |
364 |
|
flle |
|- ( N e. RR -> ( |_ ` N ) <_ N ) |
365 |
364
|
ad2antrr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( |_ ` N ) <_ N ) |
366 |
21
|
adantr |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> N e. RR ) |
367 |
23
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( 2 e. RR /\ 0 < 2 ) ) |
368 |
|
lemul2 |
|- ( ( ( |_ ` N ) e. RR /\ N e. RR /\ ( 2 e. RR /\ 0 < 2 ) ) -> ( ( |_ ` N ) <_ N <-> ( 2 x. ( |_ ` N ) ) <_ ( 2 x. N ) ) ) |
369 |
48 366 367 368
|
syl3anc |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( |_ ` N ) <_ N <-> ( 2 x. ( |_ ` N ) ) <_ ( 2 x. N ) ) ) |
370 |
365 369
|
mpbid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( 2 x. ( |_ ` N ) ) <_ ( 2 x. N ) ) |
371 |
50 362 363 370
|
lesub1dd |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( 2 x. ( |_ ` N ) ) - 3 ) <_ ( ( 2 x. N ) - 3 ) ) |
372 |
6
|
a1i |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) |
373 |
|
lemul2 |
|- ( ( ( ( 2 x. ( |_ ` N ) ) - 3 ) e. RR /\ ( ( 2 x. N ) - 3 ) e. RR /\ ( ( log ` 2 ) e. RR /\ 0 < ( log ` 2 ) ) ) -> ( ( ( 2 x. ( |_ ` N ) ) - 3 ) <_ ( ( 2 x. N ) - 3 ) <-> ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) <_ ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) ) |
374 |
52 55 372 373
|
syl3anc |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( ( 2 x. ( |_ ` N ) ) - 3 ) <_ ( ( 2 x. N ) - 3 ) <-> ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) <_ ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) ) |
375 |
371 374
|
mpbid |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( ( log ` 2 ) x. ( ( 2 x. ( |_ ` N ) ) - 3 ) ) <_ ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) |
376 |
46 54 57 361 375
|
ltletrd |
|- ( ( ( N e. RR /\ 2 < N ) /\ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) -> ( theta ` N ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) |
377 |
117
|
a1i |
|- ( ( N e. RR /\ 2 < N ) -> 2 e. ZZ ) |
378 |
|
flcl |
|- ( N e. RR -> ( |_ ` N ) e. ZZ ) |
379 |
378
|
adantr |
|- ( ( N e. RR /\ 2 < N ) -> ( |_ ` N ) e. ZZ ) |
380 |
|
ltle |
|- ( ( 2 e. RR /\ N e. RR ) -> ( 2 < N -> 2 <_ N ) ) |
381 |
1 380
|
mpan |
|- ( N e. RR -> ( 2 < N -> 2 <_ N ) ) |
382 |
|
flge |
|- ( ( N e. RR /\ 2 e. ZZ ) -> ( 2 <_ N <-> 2 <_ ( |_ ` N ) ) ) |
383 |
117 382
|
mpan2 |
|- ( N e. RR -> ( 2 <_ N <-> 2 <_ ( |_ ` N ) ) ) |
384 |
381 383
|
sylibd |
|- ( N e. RR -> ( 2 < N -> 2 <_ ( |_ ` N ) ) ) |
385 |
384
|
imp |
|- ( ( N e. RR /\ 2 < N ) -> 2 <_ ( |_ ` N ) ) |
386 |
|
eluz2 |
|- ( ( |_ ` N ) e. ( ZZ>= ` 2 ) <-> ( 2 e. ZZ /\ ( |_ ` N ) e. ZZ /\ 2 <_ ( |_ ` N ) ) ) |
387 |
377 379 385 386
|
syl3anbrc |
|- ( ( N e. RR /\ 2 < N ) -> ( |_ ` N ) e. ( ZZ>= ` 2 ) ) |
388 |
|
uzp1 |
|- ( ( |_ ` N ) e. ( ZZ>= ` 2 ) -> ( ( |_ ` N ) = 2 \/ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) ) |
389 |
387 388
|
syl |
|- ( ( N e. RR /\ 2 < N ) -> ( ( |_ ` N ) = 2 \/ ( |_ ` N ) e. ( ZZ>= ` ( 2 + 1 ) ) ) ) |
390 |
44 376 389
|
mpjaodan |
|- ( ( N e. RR /\ 2 < N ) -> ( theta ` N ) < ( ( log ` 2 ) x. ( ( 2 x. N ) - 3 ) ) ) |