Description: Lemma for log2ub . In decimal, this is a proof that the first four terms of the series for log 2 is less than 5 3 0 5 6 / 7 6 5 4 5 . (Contributed by Mario Carneiro, 17-Apr-2015) (Proof shortened by AV, 15-Sep-2021)
Ref | Expression | ||
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Assertion | log2ublem3 | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 3 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ; ; ; ; 5 3 0 5 6 |
Step | Hyp | Ref | Expression |
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1 | 0le0 | |- 0 <_ 0 |
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2 | risefall0lem | |- ( 0 ... ( 0 - 1 ) ) = (/) |
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3 | 2 | sumeq1i | |- sum_ n e. ( 0 ... ( 0 - 1 ) ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) = sum_ n e. (/) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) |
4 | sum0 | |- sum_ n e. (/) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) = 0 |
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5 | 3 4 | eqtri | |- sum_ n e. ( 0 ... ( 0 - 1 ) ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) = 0 |
6 | 5 | oveq2i | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... ( 0 - 1 ) ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) = ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. 0 ) |
7 | 3cn | |- 3 e. CC |
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8 | 7nn0 | |- 7 e. NN0 |
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9 | expcl | |- ( ( 3 e. CC /\ 7 e. NN0 ) -> ( 3 ^ 7 ) e. CC ) |
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10 | 7 8 9 | mp2an | |- ( 3 ^ 7 ) e. CC |
11 | 5cn | |- 5 e. CC |
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12 | 7cn | |- 7 e. CC |
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13 | 11 12 | mulcli | |- ( 5 x. 7 ) e. CC |
14 | 10 13 | mulcli | |- ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) e. CC |
15 | 14 | mul01i | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. 0 ) = 0 |
16 | 6 15 | eqtri | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... ( 0 - 1 ) ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) = 0 |
17 | 2cn | |- 2 e. CC |
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18 | 17 | mul01i | |- ( 2 x. 0 ) = 0 |
19 | 1 16 18 | 3brtr4i | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... ( 0 - 1 ) ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ( 2 x. 0 ) |
20 | 0nn0 | |- 0 e. NN0 |
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21 | 2nn0 | |- 2 e. NN0 |
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22 | 5nn0 | |- 5 e. NN0 |
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23 | 21 22 | deccl | |- ; 2 5 e. NN0 |
24 | 23 22 | deccl | |- ; ; 2 5 5 e. NN0 |
25 | 1nn0 | |- 1 e. NN0 |
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26 | 24 25 | deccl | |- ; ; ; 2 5 5 1 e. NN0 |
27 | 26 22 | deccl | |- ; ; ; ; 2 5 5 1 5 e. NN0 |
28 | eqid | |- ( 0 - 1 ) = ( 0 - 1 ) |
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29 | 27 | nn0cni | |- ; ; ; ; 2 5 5 1 5 e. CC |
30 | 29 | addid2i | |- ( 0 + ; ; ; ; 2 5 5 1 5 ) = ; ; ; ; 2 5 5 1 5 |
31 | 3nn0 | |- 3 e. NN0 |
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32 | 7 | addid1i | |- ( 3 + 0 ) = 3 |
33 | 29 | mulid2i | |- ( 1 x. ; ; ; ; 2 5 5 1 5 ) = ; ; ; ; 2 5 5 1 5 |
34 | 18 | oveq1i | |- ( ( 2 x. 0 ) + 1 ) = ( 0 + 1 ) |
35 | 0p1e1 | |- ( 0 + 1 ) = 1 |
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36 | 34 35 | eqtri | |- ( ( 2 x. 0 ) + 1 ) = 1 |
37 | 36 | oveq1i | |- ( ( ( 2 x. 0 ) + 1 ) x. ; ; ; ; 2 5 5 1 5 ) = ( 1 x. ; ; ; ; 2 5 5 1 5 ) |
38 | 22 8 | nn0mulcli | |- ( 5 x. 7 ) e. NN0 |
39 | 8 21 | deccl | |- ; 7 2 e. NN0 |
40 | 9nn0 | |- 9 e. NN0 |
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41 | 2p1e3 | |- ( 2 + 1 ) = 3 |
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42 | 8nn0 | |- 8 e. NN0 |
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43 | 1p1e2 | |- ( 1 + 1 ) = 2 |
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44 | 9cn | |- 9 e. CC |
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45 | exp1 | |- ( 9 e. CC -> ( 9 ^ 1 ) = 9 ) |
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46 | 44 45 | ax-mp | |- ( 9 ^ 1 ) = 9 |
47 | 46 | oveq1i | |- ( ( 9 ^ 1 ) x. 9 ) = ( 9 x. 9 ) |
48 | 9t9e81 | |- ( 9 x. 9 ) = ; 8 1 |
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49 | 47 48 | eqtri | |- ( ( 9 ^ 1 ) x. 9 ) = ; 8 1 |
50 | 40 25 43 49 | numexpp1 | |- ( 9 ^ 2 ) = ; 8 1 |
51 | 8cn | |- 8 e. CC |
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52 | 9t8e72 | |- ( 9 x. 8 ) = ; 7 2 |
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53 | 44 51 52 | mulcomli | |- ( 8 x. 9 ) = ; 7 2 |
54 | 44 | mulid2i | |- ( 1 x. 9 ) = 9 |
55 | 40 42 25 50 53 54 | decmul1 | |- ( ( 9 ^ 2 ) x. 9 ) = ; ; 7 2 9 |
56 | 40 21 41 55 | numexpp1 | |- ( 9 ^ 3 ) = ; ; 7 2 9 |
57 | 31 25 | deccl | |- ; 3 1 e. NN0 |
58 | eqid | |- ; 7 2 = ; 7 2 |
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59 | eqid | |- ; 3 1 = ; 3 1 |
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60 | 7t5e35 | |- ( 7 x. 5 ) = ; 3 5 |
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61 | 12 11 60 | mulcomli | |- ( 5 x. 7 ) = ; 3 5 |
62 | 7p3e10 | |- ( 7 + 3 ) = ; 1 0 |
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63 | 12 7 62 | addcomli | |- ( 3 + 7 ) = ; 1 0 |
64 | ax-1cn | |- 1 e. CC |
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65 | 3p1e4 | |- ( 3 + 1 ) = 4 |
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66 | 7 64 65 | addcomli | |- ( 1 + 3 ) = 4 |
67 | 66 | oveq2i | |- ( ( 3 x. 7 ) + ( 1 + 3 ) ) = ( ( 3 x. 7 ) + 4 ) |
68 | 4nn0 | |- 4 e. NN0 |
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69 | 7t3e21 | |- ( 7 x. 3 ) = ; 2 1 |
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70 | 12 7 69 | mulcomli | |- ( 3 x. 7 ) = ; 2 1 |
71 | 4cn | |- 4 e. CC |
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72 | 4p1e5 | |- ( 4 + 1 ) = 5 |
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73 | 71 64 72 | addcomli | |- ( 1 + 4 ) = 5 |
74 | 21 25 68 70 73 | decaddi | |- ( ( 3 x. 7 ) + 4 ) = ; 2 5 |
75 | 67 74 | eqtri | |- ( ( 3 x. 7 ) + ( 1 + 3 ) ) = ; 2 5 |
76 | 61 | oveq1i | |- ( ( 5 x. 7 ) + 0 ) = ( ; 3 5 + 0 ) |
77 | 31 22 | deccl | |- ; 3 5 e. NN0 |
78 | 77 | nn0cni | |- ; 3 5 e. CC |
79 | 78 | addid1i | |- ( ; 3 5 + 0 ) = ; 3 5 |
80 | 76 79 | eqtri | |- ( ( 5 x. 7 ) + 0 ) = ; 3 5 |
81 | 31 22 25 20 61 63 8 22 31 75 80 | decmac | |- ( ( ( 5 x. 7 ) x. 7 ) + ( 3 + 7 ) ) = ; ; 2 5 5 |
82 | 25 | dec0h | |- 1 = ; 0 1 |
83 | 3t2e6 | |- ( 3 x. 2 ) = 6 |
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84 | 83 35 | oveq12i | |- ( ( 3 x. 2 ) + ( 0 + 1 ) ) = ( 6 + 1 ) |
85 | 6p1e7 | |- ( 6 + 1 ) = 7 |
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86 | 84 85 | eqtri | |- ( ( 3 x. 2 ) + ( 0 + 1 ) ) = 7 |
87 | 5t2e10 | |- ( 5 x. 2 ) = ; 1 0 |
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88 | 25 20 35 87 | decsuc | |- ( ( 5 x. 2 ) + 1 ) = ; 1 1 |
89 | 31 22 20 25 61 82 21 25 25 86 88 | decmac | |- ( ( ( 5 x. 7 ) x. 2 ) + 1 ) = ; 7 1 |
90 | 8 21 31 25 58 59 38 25 8 81 89 | decma2c | |- ( ( ( 5 x. 7 ) x. ; 7 2 ) + ; 3 1 ) = ; ; ; 2 5 5 1 |
91 | 9t3e27 | |- ( 9 x. 3 ) = ; 2 7 |
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92 | 44 7 91 | mulcomli | |- ( 3 x. 9 ) = ; 2 7 |
93 | 7p4e11 | |- ( 7 + 4 ) = ; 1 1 |
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94 | 21 8 68 92 41 25 93 | decaddci | |- ( ( 3 x. 9 ) + 4 ) = ; 3 1 |
95 | 9t5e45 | |- ( 9 x. 5 ) = ; 4 5 |
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96 | 44 11 95 | mulcomli | |- ( 5 x. 9 ) = ; 4 5 |
97 | 40 31 22 61 22 68 94 96 | decmul1c | |- ( ( 5 x. 7 ) x. 9 ) = ; ; 3 1 5 |
98 | 38 39 40 56 22 57 90 97 | decmul2c | |- ( ( 5 x. 7 ) x. ( 9 ^ 3 ) ) = ; ; ; ; 2 5 5 1 5 |
99 | 33 37 98 | 3eqtr4ri | |- ( ( 5 x. 7 ) x. ( 9 ^ 3 ) ) = ( ( ( 2 x. 0 ) + 1 ) x. ; ; ; ; 2 5 5 1 5 ) |
100 | 19 20 27 20 28 30 31 32 99 | log2ublem2 | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 0 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ( 2 x. ; ; ; ; 2 5 5 1 5 ) |
101 | 40 68 | deccl | |- ; 9 4 e. NN0 |
102 | 101 22 | deccl | |- ; ; 9 4 5 e. NN0 |
103 | 1m1e0 | |- ( 1 - 1 ) = 0 |
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104 | eqid | |- ; ; ; ; 2 5 5 1 5 = ; ; ; ; 2 5 5 1 5 |
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105 | eqid | |- ; ; 9 4 5 = ; ; 9 4 5 |
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106 | 6nn0 | |- 6 e. NN0 |
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107 | 21 106 | deccl | |- ; 2 6 e. NN0 |
108 | 107 68 | deccl | |- ; ; 2 6 4 e. NN0 |
109 | 5p1e6 | |- ( 5 + 1 ) = 6 |
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110 | eqid | |- ; ; ; 2 5 5 1 = ; ; ; 2 5 5 1 |
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111 | eqid | |- ; 9 4 = ; 9 4 |
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112 | eqid | |- ; ; 2 5 5 = ; ; 2 5 5 |
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113 | eqid | |- ; 2 5 = ; 2 5 |
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114 | 21 22 109 113 | decsuc | |- ( ; 2 5 + 1 ) = ; 2 6 |
115 | 9p5e14 | |- ( 9 + 5 ) = ; 1 4 |
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116 | 44 11 115 | addcomli | |- ( 5 + 9 ) = ; 1 4 |
117 | 23 22 40 112 114 68 116 | decaddci | |- ( ; ; 2 5 5 + 9 ) = ; ; 2 6 4 |
118 | 24 25 40 68 110 111 117 73 | decadd | |- ( ; ; ; 2 5 5 1 + ; 9 4 ) = ; ; ; 2 6 4 5 |
119 | 108 22 109 118 | decsuc | |- ( ( ; ; ; 2 5 5 1 + ; 9 4 ) + 1 ) = ; ; ; 2 6 4 6 |
120 | 5p5e10 | |- ( 5 + 5 ) = ; 1 0 |
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121 | 26 22 101 22 104 105 119 120 | decaddc2 | |- ( ; ; ; ; 2 5 5 1 5 + ; ; 9 4 5 ) = ; ; ; ; 2 6 4 6 0 |
122 | 44 | sqvali | |- ( 9 ^ 2 ) = ( 9 x. 9 ) |
123 | 3t3e9 | |- ( 3 x. 3 ) = 9 |
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124 | 123 | oveq1i | |- ( ( 3 x. 3 ) x. 9 ) = ( 9 x. 9 ) |
125 | 7 7 44 | mulassi | |- ( ( 3 x. 3 ) x. 9 ) = ( 3 x. ( 3 x. 9 ) ) |
126 | 122 124 125 | 3eqtr2i | |- ( 9 ^ 2 ) = ( 3 x. ( 3 x. 9 ) ) |
127 | 126 | oveq2i | |- ( ( 5 x. 7 ) x. ( 9 ^ 2 ) ) = ( ( 5 x. 7 ) x. ( 3 x. ( 3 x. 9 ) ) ) |
128 | 7 44 | mulcli | |- ( 3 x. 9 ) e. CC |
129 | 13 7 128 | mul12i | |- ( ( 5 x. 7 ) x. ( 3 x. ( 3 x. 9 ) ) ) = ( 3 x. ( ( 5 x. 7 ) x. ( 3 x. 9 ) ) ) |
130 | 21 68 | deccl | |- ; 2 4 e. NN0 |
131 | eqid | |- ; 2 4 = ; 2 4 |
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132 | 83 41 | oveq12i | |- ( ( 3 x. 2 ) + ( 2 + 1 ) ) = ( 6 + 3 ) |
133 | 6p3e9 | |- ( 6 + 3 ) = 9 |
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134 | 132 133 | eqtri | |- ( ( 3 x. 2 ) + ( 2 + 1 ) ) = 9 |
135 | 71 | addid2i | |- ( 0 + 4 ) = 4 |
136 | 25 20 68 87 135 | decaddi | |- ( ( 5 x. 2 ) + 4 ) = ; 1 4 |
137 | 31 22 21 68 61 131 21 68 25 134 136 | decmac | |- ( ( ( 5 x. 7 ) x. 2 ) + ; 2 4 ) = ; 9 4 |
138 | 21 25 31 70 66 | decaddi | |- ( ( 3 x. 7 ) + 3 ) = ; 2 4 |
139 | 8 31 22 61 22 31 138 61 | decmul1c | |- ( ( 5 x. 7 ) x. 7 ) = ; ; 2 4 5 |
140 | 38 21 8 92 22 130 137 139 | decmul2c | |- ( ( 5 x. 7 ) x. ( 3 x. 9 ) ) = ; ; 9 4 5 |
141 | 140 | oveq2i | |- ( 3 x. ( ( 5 x. 7 ) x. ( 3 x. 9 ) ) ) = ( 3 x. ; ; 9 4 5 ) |
142 | 129 141 | eqtri | |- ( ( 5 x. 7 ) x. ( 3 x. ( 3 x. 9 ) ) ) = ( 3 x. ; ; 9 4 5 ) |
143 | df-3 | |- 3 = ( 2 + 1 ) |
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144 | 17 | mulid1i | |- ( 2 x. 1 ) = 2 |
145 | 144 | oveq1i | |- ( ( 2 x. 1 ) + 1 ) = ( 2 + 1 ) |
146 | 143 145 | eqtr4i | |- 3 = ( ( 2 x. 1 ) + 1 ) |
147 | 146 | oveq1i | |- ( 3 x. ; ; 9 4 5 ) = ( ( ( 2 x. 1 ) + 1 ) x. ; ; 9 4 5 ) |
148 | 127 142 147 | 3eqtri | |- ( ( 5 x. 7 ) x. ( 9 ^ 2 ) ) = ( ( ( 2 x. 1 ) + 1 ) x. ; ; 9 4 5 ) |
149 | 100 27 102 25 103 121 21 41 148 | log2ublem2 | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 1 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ( 2 x. ; ; ; ; 2 6 4 6 0 ) |
150 | 108 106 | deccl | |- ; ; ; 2 6 4 6 e. NN0 |
151 | 150 20 | deccl | |- ; ; ; ; 2 6 4 6 0 e. NN0 |
152 | 106 31 | deccl | |- ; 6 3 e. NN0 |
153 | 2m1e1 | |- ( 2 - 1 ) = 1 |
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154 | eqid | |- ; ; ; ; 2 6 4 6 0 = ; ; ; ; 2 6 4 6 0 |
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155 | eqid | |- ; 6 3 = ; 6 3 |
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156 | eqid | |- ; ; ; 2 6 4 6 = ; ; ; 2 6 4 6 |
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157 | eqid | |- ; ; 2 6 4 = ; ; 2 6 4 |
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158 | 107 68 72 157 | decsuc | |- ( ; ; 2 6 4 + 1 ) = ; ; 2 6 5 |
159 | 6p6e12 | |- ( 6 + 6 ) = ; 1 2 |
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160 | 108 106 106 156 158 21 159 | decaddci | |- ( ; ; ; 2 6 4 6 + 6 ) = ; ; ; 2 6 5 2 |
161 | 7 | addid2i | |- ( 0 + 3 ) = 3 |
162 | 150 20 106 31 154 155 160 161 | decadd | |- ( ; ; ; ; 2 6 4 6 0 + ; 6 3 ) = ; ; ; ; 2 6 5 2 3 |
163 | 1p2e3 | |- ( 1 + 2 ) = 3 |
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164 | 46 | oveq2i | |- ( ( 5 x. 7 ) x. ( 9 ^ 1 ) ) = ( ( 5 x. 7 ) x. 9 ) |
165 | 11 12 44 | mulassi | |- ( ( 5 x. 7 ) x. 9 ) = ( 5 x. ( 7 x. 9 ) ) |
166 | 9t7e63 | |- ( 9 x. 7 ) = ; 6 3 |
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167 | 44 12 166 | mulcomli | |- ( 7 x. 9 ) = ; 6 3 |
168 | 167 | oveq2i | |- ( 5 x. ( 7 x. 9 ) ) = ( 5 x. ; 6 3 ) |
169 | 165 168 | eqtri | |- ( ( 5 x. 7 ) x. 9 ) = ( 5 x. ; 6 3 ) |
170 | df-5 | |- 5 = ( 4 + 1 ) |
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171 | 2t2e4 | |- ( 2 x. 2 ) = 4 |
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172 | 171 | oveq1i | |- ( ( 2 x. 2 ) + 1 ) = ( 4 + 1 ) |
173 | 170 172 | eqtr4i | |- 5 = ( ( 2 x. 2 ) + 1 ) |
174 | 173 | oveq1i | |- ( 5 x. ; 6 3 ) = ( ( ( 2 x. 2 ) + 1 ) x. ; 6 3 ) |
175 | 164 169 174 | 3eqtri | |- ( ( 5 x. 7 ) x. ( 9 ^ 1 ) ) = ( ( ( 2 x. 2 ) + 1 ) x. ; 6 3 ) |
176 | 149 151 152 21 153 162 25 163 175 | log2ublem2 | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 2 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ( 2 x. ; ; ; ; 2 6 5 2 3 ) |
177 | 107 22 | deccl | |- ; ; 2 6 5 e. NN0 |
178 | 177 21 | deccl | |- ; ; ; 2 6 5 2 e. NN0 |
179 | 178 31 | deccl | |- ; ; ; ; 2 6 5 2 3 e. NN0 |
180 | 3m1e2 | |- ( 3 - 1 ) = 2 |
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181 | eqid | |- ; ; ; ; 2 6 5 2 3 = ; ; ; ; 2 6 5 2 3 |
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182 | 5p3e8 | |- ( 5 + 3 ) = 8 |
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183 | 11 7 182 | addcomli | |- ( 3 + 5 ) = 8 |
184 | 178 31 22 181 183 | decaddi | |- ( ; ; ; ; 2 6 5 2 3 + 5 ) = ; ; ; ; 2 6 5 2 8 |
185 | 12 11 | mulcli | |- ( 7 x. 5 ) e. CC |
186 | 185 | mulid1i | |- ( ( 7 x. 5 ) x. 1 ) = ( 7 x. 5 ) |
187 | 11 12 | mulcomi | |- ( 5 x. 7 ) = ( 7 x. 5 ) |
188 | exp0 | |- ( 9 e. CC -> ( 9 ^ 0 ) = 1 ) |
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189 | 44 188 | ax-mp | |- ( 9 ^ 0 ) = 1 |
190 | 187 189 | oveq12i | |- ( ( 5 x. 7 ) x. ( 9 ^ 0 ) ) = ( ( 7 x. 5 ) x. 1 ) |
191 | 7 17 83 | mulcomli | |- ( 2 x. 3 ) = 6 |
192 | 191 | oveq1i | |- ( ( 2 x. 3 ) + 1 ) = ( 6 + 1 ) |
193 | df-7 | |- 7 = ( 6 + 1 ) |
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194 | 192 193 | eqtr4i | |- ( ( 2 x. 3 ) + 1 ) = 7 |
195 | 194 | oveq1i | |- ( ( ( 2 x. 3 ) + 1 ) x. 5 ) = ( 7 x. 5 ) |
196 | 186 190 195 | 3eqtr4i | |- ( ( 5 x. 7 ) x. ( 9 ^ 0 ) ) = ( ( ( 2 x. 3 ) + 1 ) x. 5 ) |
197 | 176 179 22 31 180 184 20 161 196 | log2ublem2 | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 3 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ( 2 x. ; ; ; ; 2 6 5 2 8 ) |
198 | eqid | |- ; ; ; ; 2 6 5 2 8 = ; ; ; ; 2 6 5 2 8 |
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199 | eqid | |- ; ; ; 2 6 5 2 = ; ; ; 2 6 5 2 |
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200 | eqid | |- ; ; 2 6 5 = ; ; 2 6 5 |
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201 | 00id | |- ( 0 + 0 ) = 0 |
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202 | 20 | dec0h | |- 0 = ; 0 0 |
203 | 201 202 | eqtri | |- ( 0 + 0 ) = ; 0 0 |
204 | eqid | |- ; 2 6 = ; 2 6 |
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205 | 35 82 | eqtri | |- ( 0 + 1 ) = ; 0 1 |
206 | 171 35 | oveq12i | |- ( ( 2 x. 2 ) + ( 0 + 1 ) ) = ( 4 + 1 ) |
207 | 206 72 | eqtri | |- ( ( 2 x. 2 ) + ( 0 + 1 ) ) = 5 |
208 | 6cn | |- 6 e. CC |
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209 | 6t2e12 | |- ( 6 x. 2 ) = ; 1 2 |
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210 | 208 17 209 | mulcomli | |- ( 2 x. 6 ) = ; 1 2 |
211 | 25 21 41 210 | decsuc | |- ( ( 2 x. 6 ) + 1 ) = ; 1 3 |
212 | 21 106 20 25 204 205 21 31 25 207 211 | decma2c | |- ( ( 2 x. ; 2 6 ) + ( 0 + 1 ) ) = ; 5 3 |
213 | 11 17 87 | mulcomli | |- ( 2 x. 5 ) = ; 1 0 |
214 | 213 | oveq1i | |- ( ( 2 x. 5 ) + 0 ) = ( ; 1 0 + 0 ) |
215 | dec10p | |- ( ; 1 0 + 0 ) = ; 1 0 |
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216 | 214 215 | eqtri | |- ( ( 2 x. 5 ) + 0 ) = ; 1 0 |
217 | 107 22 20 20 200 203 21 20 25 212 216 | decma2c | |- ( ( 2 x. ; ; 2 6 5 ) + ( 0 + 0 ) ) = ; ; 5 3 0 |
218 | 22 | dec0h | |- 5 = ; 0 5 |
219 | 172 72 218 | 3eqtri | |- ( ( 2 x. 2 ) + 1 ) = ; 0 5 |
220 | 177 21 20 25 199 82 21 22 20 217 219 | decma2c | |- ( ( 2 x. ; ; ; 2 6 5 2 ) + 1 ) = ; ; ; 5 3 0 5 |
221 | 8t2e16 | |- ( 8 x. 2 ) = ; 1 6 |
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222 | 51 17 221 | mulcomli | |- ( 2 x. 8 ) = ; 1 6 |
223 | 21 178 42 198 106 25 220 222 | decmul2c | |- ( 2 x. ; ; ; ; 2 6 5 2 8 ) = ; ; ; ; 5 3 0 5 6 |
224 | 197 223 | breqtri | |- ( ( ( 3 ^ 7 ) x. ( 5 x. 7 ) ) x. sum_ n e. ( 0 ... 3 ) ( 2 / ( ( 3 x. ( ( 2 x. n ) + 1 ) ) x. ( 9 ^ n ) ) ) ) <_ ; ; ; ; 5 3 0 5 6 |