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Description: Lemma for tgoldbachgtd . (Contributed by Thierry Arnoux, 17-Dec-2021)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | hgt750lem | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` N ) / ( sqrt ` N ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 7nn0 | |- 7 e. NN0 |
|
| 2 | 3re | |- 3 e. RR |
|
| 3 | 4re | |- 4 e. RR |
|
| 4 | 8re | |- 8 e. RR |
|
| 5 | 3 4 | pm3.2i | |- ( 4 e. RR /\ 8 e. RR ) |
| 6 | dp2cl | |- ( ( 4 e. RR /\ 8 e. RR ) -> _ 4 8 e. RR ) |
|
| 7 | 5 6 | ax-mp | |- _ 4 8 e. RR |
| 8 | 2 7 | pm3.2i | |- ( 3 e. RR /\ _ 4 8 e. RR ) |
| 9 | dp2cl | |- ( ( 3 e. RR /\ _ 4 8 e. RR ) -> _ 3 _ 4 8 e. RR ) |
|
| 10 | 8 9 | ax-mp | |- _ 3 _ 4 8 e. RR |
| 11 | dpcl | |- ( ( 7 e. NN0 /\ _ 3 _ 4 8 e. RR ) -> ( 7 . _ 3 _ 4 8 ) e. RR ) |
|
| 12 | 1 10 11 | mp2an | |- ( 7 . _ 3 _ 4 8 ) e. RR |
| 13 | 12 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( 7 . _ 3 _ 4 8 ) e. RR ) |
| 14 | nn0re | |- ( N e. NN0 -> N e. RR ) |
|
| 15 | 14 | adantr | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> N e. RR ) |
| 16 | 0re | |- 0 e. RR |
|
| 17 | 16 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 e. RR ) |
| 18 | 10re | |- ; 1 0 e. RR |
|
| 19 | 2nn0 | |- 2 e. NN0 |
|
| 20 | 19 1 | deccl | |- ; 2 7 e. NN0 |
| 21 | reexpcl | |- ( ( ; 1 0 e. RR /\ ; 2 7 e. NN0 ) -> ( ; 1 0 ^ ; 2 7 ) e. RR ) |
|
| 22 | 18 20 21 | mp2an | |- ( ; 1 0 ^ ; 2 7 ) e. RR |
| 23 | 22 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ; 1 0 ^ ; 2 7 ) e. RR ) |
| 24 | 0lt1 | |- 0 < 1 |
|
| 25 | 1nn | |- 1 e. NN |
|
| 26 | 0nn0 | |- 0 e. NN0 |
|
| 27 | 1nn0 | |- 1 e. NN0 |
|
| 28 | 1re | |- 1 e. RR |
|
| 29 | 9re | |- 9 e. RR |
|
| 30 | 1lt9 | |- 1 < 9 |
|
| 31 | 28 29 30 | ltleii | |- 1 <_ 9 |
| 32 | 25 26 27 31 | declei | |- 1 <_ ; 1 0 |
| 33 | expge1 | |- ( ( ; 1 0 e. RR /\ ; 2 7 e. NN0 /\ 1 <_ ; 1 0 ) -> 1 <_ ( ; 1 0 ^ ; 2 7 ) ) |
|
| 34 | 18 20 32 33 | mp3an | |- 1 <_ ( ; 1 0 ^ ; 2 7 ) |
| 35 | 16 28 22 | ltletri | |- ( ( 0 < 1 /\ 1 <_ ( ; 1 0 ^ ; 2 7 ) ) -> 0 < ( ; 1 0 ^ ; 2 7 ) ) |
| 36 | 24 34 35 | mp2an | |- 0 < ( ; 1 0 ^ ; 2 7 ) |
| 37 | 36 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 < ( ; 1 0 ^ ; 2 7 ) ) |
| 38 | simpr | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ; 1 0 ^ ; 2 7 ) <_ N ) |
|
| 39 | 17 23 15 37 38 | ltletrd | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 < N ) |
| 40 | 15 39 | elrpd | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> N e. RR+ ) |
| 41 | 40 | relogcld | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( log ` N ) e. RR ) |
| 42 | 40 | rpge0d | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 <_ N ) |
| 43 | 15 42 | resqrtcld | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( sqrt ` N ) e. RR ) |
| 44 | 40 | sqrtgt0d | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 < ( sqrt ` N ) ) |
| 45 | 17 44 | gtned | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( sqrt ` N ) =/= 0 ) |
| 46 | 41 43 45 | redivcld | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( log ` N ) / ( sqrt ` N ) ) e. RR ) |
| 47 | 13 46 | remulcld | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` N ) / ( sqrt ` N ) ) ) e. RR ) |
| 48 | elrp | |- ( ( ; 1 0 ^ ; 2 7 ) e. RR+ <-> ( ( ; 1 0 ^ ; 2 7 ) e. RR /\ 0 < ( ; 1 0 ^ ; 2 7 ) ) ) |
|
| 49 | 22 36 48 | mpbir2an | |- ( ; 1 0 ^ ; 2 7 ) e. RR+ |
| 50 | relogcl | |- ( ( ; 1 0 ^ ; 2 7 ) e. RR+ -> ( log ` ( ; 1 0 ^ ; 2 7 ) ) e. RR ) |
|
| 51 | 49 50 | ax-mp | |- ( log ` ( ; 1 0 ^ ; 2 7 ) ) e. RR |
| 52 | 22 36 | sqrtpclii | |- ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) e. RR |
| 53 | 22 36 | sqrtgt0ii | |- 0 < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) |
| 54 | 16 53 | gtneii | |- ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) =/= 0 |
| 55 | 51 52 54 | redivcli | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) e. RR |
| 56 | 55 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) e. RR ) |
| 57 | 13 56 | remulcld | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) e. RR ) |
| 58 | qssre | |- QQ C_ RR |
|
| 59 | 4nn0 | |- 4 e. NN0 |
|
| 60 | nn0ssq | |- NN0 C_ QQ |
|
| 61 | 8nn0 | |- 8 e. NN0 |
|
| 62 | 60 61 | sselii | |- 8 e. QQ |
| 63 | 59 62 | dp2clq | |- _ 4 8 e. QQ |
| 64 | 19 63 | dp2clq | |- _ 2 _ 4 8 e. QQ |
| 65 | 19 64 | dp2clq | |- _ 2 _ 2 _ 4 8 e. QQ |
| 66 | 59 65 | dp2clq | |- _ 4 _ 2 _ 2 _ 4 8 e. QQ |
| 67 | 26 66 | dp2clq | |- _ 0 _ 4 _ 2 _ 2 _ 4 8 e. QQ |
| 68 | 26 67 | dp2clq | |- _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 e. QQ |
| 69 | 26 68 | dp2clq | |- _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 e. QQ |
| 70 | 58 69 | sselii | |- _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 e. RR |
| 71 | dpcl | |- ( ( 0 e. NN0 /\ _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 e. RR ) -> ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) e. RR ) |
|
| 72 | 26 70 71 | mp2an | |- ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) e. RR |
| 73 | 72 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) e. RR ) |
| 74 | 3nn0 | |- 3 e. NN0 |
|
| 75 | 8pos | |- 0 < 8 |
|
| 76 | elrp | |- ( 8 e. RR+ <-> ( 8 e. RR /\ 0 < 8 ) ) |
|
| 77 | 4 75 76 | mpbir2an | |- 8 e. RR+ |
| 78 | 59 77 | rpdp2cl | |- _ 4 8 e. RR+ |
| 79 | 74 78 | rpdp2cl | |- _ 3 _ 4 8 e. RR+ |
| 80 | 1 79 | rpdpcl | |- ( 7 . _ 3 _ 4 8 ) e. RR+ |
| 81 | elrp | |- ( ( 7 . _ 3 _ 4 8 ) e. RR+ <-> ( ( 7 . _ 3 _ 4 8 ) e. RR /\ 0 < ( 7 . _ 3 _ 4 8 ) ) ) |
|
| 82 | 80 81 | mpbi | |- ( ( 7 . _ 3 _ 4 8 ) e. RR /\ 0 < ( 7 . _ 3 _ 4 8 ) ) |
| 83 | 82 | simpri | |- 0 < ( 7 . _ 3 _ 4 8 ) |
| 84 | 16 12 83 | ltleii | |- 0 <_ ( 7 . _ 3 _ 4 8 ) |
| 85 | 84 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> 0 <_ ( 7 . _ 3 _ 4 8 ) ) |
| 86 | 49 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ; 1 0 ^ ; 2 7 ) e. RR+ ) |
| 87 | 2cn | |- 2 e. CC |
|
| 88 | 87 | mullidi | |- ( 1 x. 2 ) = 2 |
| 89 | 2nn | |- 2 e. NN |
|
| 90 | 89 1 27 31 | declei | |- 1 <_ ; 2 7 |
| 91 | 2pos | |- 0 < 2 |
|
| 92 | 20 | nn0rei | |- ; 2 7 e. RR |
| 93 | 2re | |- 2 e. RR |
|
| 94 | 28 92 93 | lemul1i | |- ( 0 < 2 -> ( 1 <_ ; 2 7 <-> ( 1 x. 2 ) <_ ( ; 2 7 x. 2 ) ) ) |
| 95 | 91 94 | ax-mp | |- ( 1 <_ ; 2 7 <-> ( 1 x. 2 ) <_ ( ; 2 7 x. 2 ) ) |
| 96 | 90 95 | mpbi | |- ( 1 x. 2 ) <_ ( ; 2 7 x. 2 ) |
| 97 | 88 96 | eqbrtrri | |- 2 <_ ( ; 2 7 x. 2 ) |
| 98 | 1p1e2 | |- ( 1 + 1 ) = 2 |
|
| 99 | loge | |- ( log ` _e ) = 1 |
|
| 100 | egt2lt3 | |- ( 2 < _e /\ _e < 3 ) |
|
| 101 | 100 | simpri | |- _e < 3 |
| 102 | epr | |- _e e. RR+ |
|
| 103 | 3rp | |- 3 e. RR+ |
|
| 104 | logltb | |- ( ( _e e. RR+ /\ 3 e. RR+ ) -> ( _e < 3 <-> ( log ` _e ) < ( log ` 3 ) ) ) |
|
| 105 | 102 103 104 | mp2an | |- ( _e < 3 <-> ( log ` _e ) < ( log ` 3 ) ) |
| 106 | 101 105 | mpbi | |- ( log ` _e ) < ( log ` 3 ) |
| 107 | 99 106 | eqbrtrri | |- 1 < ( log ` 3 ) |
| 108 | relogcl | |- ( 3 e. RR+ -> ( log ` 3 ) e. RR ) |
|
| 109 | 103 108 | ax-mp | |- ( log ` 3 ) e. RR |
| 110 | 28 28 109 109 | lt2addi | |- ( ( 1 < ( log ` 3 ) /\ 1 < ( log ` 3 ) ) -> ( 1 + 1 ) < ( ( log ` 3 ) + ( log ` 3 ) ) ) |
| 111 | 107 107 110 | mp2an | |- ( 1 + 1 ) < ( ( log ` 3 ) + ( log ` 3 ) ) |
| 112 | 3cn | |- 3 e. CC |
|
| 113 | 3ne0 | |- 3 =/= 0 |
|
| 114 | logmul2 | |- ( ( 3 e. CC /\ 3 =/= 0 /\ 3 e. RR+ ) -> ( log ` ( 3 x. 3 ) ) = ( ( log ` 3 ) + ( log ` 3 ) ) ) |
|
| 115 | 112 113 103 114 | mp3an | |- ( log ` ( 3 x. 3 ) ) = ( ( log ` 3 ) + ( log ` 3 ) ) |
| 116 | 3t3e9 | |- ( 3 x. 3 ) = 9 |
|
| 117 | 116 | fveq2i | |- ( log ` ( 3 x. 3 ) ) = ( log ` 9 ) |
| 118 | 9lt10 | |- 9 < ; 1 0 |
|
| 119 | 29 18 118 | ltleii | |- 9 <_ ; 1 0 |
| 120 | 9pos | |- 0 < 9 |
|
| 121 | elrp | |- ( 9 e. RR+ <-> ( 9 e. RR /\ 0 < 9 ) ) |
|
| 122 | 29 120 121 | mpbir2an | |- 9 e. RR+ |
| 123 | 10pos | |- 0 < ; 1 0 |
|
| 124 | elrp | |- ( ; 1 0 e. RR+ <-> ( ; 1 0 e. RR /\ 0 < ; 1 0 ) ) |
|
| 125 | 18 123 124 | mpbir2an | |- ; 1 0 e. RR+ |
| 126 | logleb | |- ( ( 9 e. RR+ /\ ; 1 0 e. RR+ ) -> ( 9 <_ ; 1 0 <-> ( log ` 9 ) <_ ( log ` ; 1 0 ) ) ) |
|
| 127 | 122 125 126 | mp2an | |- ( 9 <_ ; 1 0 <-> ( log ` 9 ) <_ ( log ` ; 1 0 ) ) |
| 128 | 119 127 | mpbi | |- ( log ` 9 ) <_ ( log ` ; 1 0 ) |
| 129 | 117 128 | eqbrtri | |- ( log ` ( 3 x. 3 ) ) <_ ( log ` ; 1 0 ) |
| 130 | 115 129 | eqbrtrri | |- ( ( log ` 3 ) + ( log ` 3 ) ) <_ ( log ` ; 1 0 ) |
| 131 | 28 28 | readdcli | |- ( 1 + 1 ) e. RR |
| 132 | 109 109 | readdcli | |- ( ( log ` 3 ) + ( log ` 3 ) ) e. RR |
| 133 | relogcl | |- ( ; 1 0 e. RR+ -> ( log ` ; 1 0 ) e. RR ) |
|
| 134 | 125 133 | ax-mp | |- ( log ` ; 1 0 ) e. RR |
| 135 | 131 132 134 | ltletri | |- ( ( ( 1 + 1 ) < ( ( log ` 3 ) + ( log ` 3 ) ) /\ ( ( log ` 3 ) + ( log ` 3 ) ) <_ ( log ` ; 1 0 ) ) -> ( 1 + 1 ) < ( log ` ; 1 0 ) ) |
| 136 | 111 130 135 | mp2an | |- ( 1 + 1 ) < ( log ` ; 1 0 ) |
| 137 | 98 136 | eqbrtrri | |- 2 < ( log ` ; 1 0 ) |
| 138 | 93 134 | ltlei | |- ( 2 < ( log ` ; 1 0 ) -> 2 <_ ( log ` ; 1 0 ) ) |
| 139 | 137 138 | ax-mp | |- 2 <_ ( log ` ; 1 0 ) |
| 140 | 16 29 120 | ltleii | |- 0 <_ 9 |
| 141 | 89 1 26 140 | decltdi | |- 0 < ; 2 7 |
| 142 | 93 134 92 | lemul2i | |- ( 0 < ; 2 7 -> ( 2 <_ ( log ` ; 1 0 ) <-> ( ; 2 7 x. 2 ) <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) ) ) |
| 143 | 141 142 | ax-mp | |- ( 2 <_ ( log ` ; 1 0 ) <-> ( ; 2 7 x. 2 ) <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) ) |
| 144 | 139 143 | mpbi | |- ( ; 2 7 x. 2 ) <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) |
| 145 | 92 93 | remulcli | |- ( ; 2 7 x. 2 ) e. RR |
| 146 | 20 | nn0zi | |- ; 2 7 e. ZZ |
| 147 | relogexp | |- ( ( ; 1 0 e. RR+ /\ ; 2 7 e. ZZ ) -> ( log ` ( ; 1 0 ^ ; 2 7 ) ) = ( ; 2 7 x. ( log ` ; 1 0 ) ) ) |
|
| 148 | 125 146 147 | mp2an | |- ( log ` ( ; 1 0 ^ ; 2 7 ) ) = ( ; 2 7 x. ( log ` ; 1 0 ) ) |
| 149 | 148 51 | eqeltrri | |- ( ; 2 7 x. ( log ` ; 1 0 ) ) e. RR |
| 150 | 93 145 149 | letri | |- ( ( 2 <_ ( ; 2 7 x. 2 ) /\ ( ; 2 7 x. 2 ) <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) ) -> 2 <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) ) |
| 151 | 97 144 150 | mp2an | |- 2 <_ ( ; 2 7 x. ( log ` ; 1 0 ) ) |
| 152 | relogef | |- ( 2 e. RR -> ( log ` ( exp ` 2 ) ) = 2 ) |
|
| 153 | 93 152 | ax-mp | |- ( log ` ( exp ` 2 ) ) = 2 |
| 154 | 151 153 148 | 3brtr4i | |- ( log ` ( exp ` 2 ) ) <_ ( log ` ( ; 1 0 ^ ; 2 7 ) ) |
| 155 | rpefcl | |- ( 2 e. RR -> ( exp ` 2 ) e. RR+ ) |
|
| 156 | 93 155 | ax-mp | |- ( exp ` 2 ) e. RR+ |
| 157 | logleb | |- ( ( ( exp ` 2 ) e. RR+ /\ ( ; 1 0 ^ ; 2 7 ) e. RR+ ) -> ( ( exp ` 2 ) <_ ( ; 1 0 ^ ; 2 7 ) <-> ( log ` ( exp ` 2 ) ) <_ ( log ` ( ; 1 0 ^ ; 2 7 ) ) ) ) |
|
| 158 | 156 49 157 | mp2an | |- ( ( exp ` 2 ) <_ ( ; 1 0 ^ ; 2 7 ) <-> ( log ` ( exp ` 2 ) ) <_ ( log ` ( ; 1 0 ^ ; 2 7 ) ) ) |
| 159 | 154 158 | mpbir | |- ( exp ` 2 ) <_ ( ; 1 0 ^ ; 2 7 ) |
| 160 | 159 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( exp ` 2 ) <_ ( ; 1 0 ^ ; 2 7 ) ) |
| 161 | 86 40 160 38 | logdivsqrle | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( log ` N ) / ( sqrt ` N ) ) <_ ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) |
| 162 | 46 56 13 85 161 | lemul2ad | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` N ) / ( sqrt ` N ) ) ) <_ ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) ) |
| 163 | 3lt10 | |- 3 < ; 1 0 |
|
| 164 | 4lt10 | |- 4 < ; 1 0 |
|
| 165 | 8lt10 | |- 8 < ; 1 0 |
|
| 166 | 59 77 164 165 | dp2lt10 | |- _ 4 8 < ; 1 0 |
| 167 | 74 78 163 166 | dp2lt10 | |- _ 3 _ 4 8 < ; 1 0 |
| 168 | 7p1e8 | |- ( 7 + 1 ) = 8 |
|
| 169 | 1 79 61 167 168 | dplti | |- ( 7 . _ 3 _ 4 8 ) < 8 |
| 170 | 58 62 | sselii | |- 8 e. RR |
| 171 | 12 170 18 | lttri | |- ( ( ( 7 . _ 3 _ 4 8 ) < 8 /\ 8 < ; 1 0 ) -> ( 7 . _ 3 _ 4 8 ) < ; 1 0 ) |
| 172 | 169 165 171 | mp2an | |- ( 7 . _ 3 _ 4 8 ) < ; 1 0 |
| 173 | 27 26 | deccl | |- ; 1 0 e. NN0 |
| 174 | 173 | numexp0 | |- ( ; 1 0 ^ 0 ) = 1 |
| 175 | 0z | |- 0 e. ZZ |
|
| 176 | 18 175 146 | 3pm3.2i | |- ( ; 1 0 e. RR /\ 0 e. ZZ /\ ; 2 7 e. ZZ ) |
| 177 | 1lt10 | |- 1 < ; 1 0 |
|
| 178 | 177 141 | pm3.2i | |- ( 1 < ; 1 0 /\ 0 < ; 2 7 ) |
| 179 | ltexp2a | |- ( ( ( ; 1 0 e. RR /\ 0 e. ZZ /\ ; 2 7 e. ZZ ) /\ ( 1 < ; 1 0 /\ 0 < ; 2 7 ) ) -> ( ; 1 0 ^ 0 ) < ( ; 1 0 ^ ; 2 7 ) ) |
|
| 180 | 176 178 179 | mp2an | |- ( ; 1 0 ^ 0 ) < ( ; 1 0 ^ ; 2 7 ) |
| 181 | 174 180 | eqbrtrri | |- 1 < ( ; 1 0 ^ ; 2 7 ) |
| 182 | loggt0b | |- ( ( ; 1 0 ^ ; 2 7 ) e. RR+ -> ( 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) <-> 1 < ( ; 1 0 ^ ; 2 7 ) ) ) |
|
| 183 | 49 182 | ax-mp | |- ( 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) <-> 1 < ( ; 1 0 ^ ; 2 7 ) ) |
| 184 | 181 183 | mpbir | |- 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) |
| 185 | 51 52 | divgt0i | |- ( ( 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) /\ 0 < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) -> 0 < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) |
| 186 | 184 53 185 | mp2an | |- 0 < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) |
| 187 | 12 18 55 | ltmul1i | |- ( 0 < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) -> ( ( 7 . _ 3 _ 4 8 ) < ; 1 0 <-> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) ) ) |
| 188 | 186 187 | ax-mp | |- ( ( 7 . _ 3 _ 4 8 ) < ; 1 0 <-> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) ) |
| 189 | 172 188 | mpbi | |- ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) |
| 190 | 18 | recni | |- ; 1 0 e. CC |
| 191 | expmul | |- ( ( ; 1 0 e. CC /\ 7 e. NN0 /\ 2 e. NN0 ) -> ( ; 1 0 ^ ( 7 x. 2 ) ) = ( ( ; 1 0 ^ 7 ) ^ 2 ) ) |
|
| 192 | 190 1 19 191 | mp3an | |- ( ; 1 0 ^ ( 7 x. 2 ) ) = ( ( ; 1 0 ^ 7 ) ^ 2 ) |
| 193 | 7t2e14 | |- ( 7 x. 2 ) = ; 1 4 |
|
| 194 | 193 | oveq2i | |- ( ; 1 0 ^ ( 7 x. 2 ) ) = ( ; 1 0 ^ ; 1 4 ) |
| 195 | 192 194 | eqtr3i | |- ( ( ; 1 0 ^ 7 ) ^ 2 ) = ( ; 1 0 ^ ; 1 4 ) |
| 196 | 195 | fveq2i | |- ( sqrt ` ( ( ; 1 0 ^ 7 ) ^ 2 ) ) = ( sqrt ` ( ; 1 0 ^ ; 1 4 ) ) |
| 197 | reexpcl | |- ( ( ; 1 0 e. RR /\ 7 e. NN0 ) -> ( ; 1 0 ^ 7 ) e. RR ) |
|
| 198 | 18 1 197 | mp2an | |- ( ; 1 0 ^ 7 ) e. RR |
| 199 | 1 | nn0zi | |- 7 e. ZZ |
| 200 | expgt0 | |- ( ( ; 1 0 e. RR /\ 7 e. ZZ /\ 0 < ; 1 0 ) -> 0 < ( ; 1 0 ^ 7 ) ) |
|
| 201 | 18 199 123 200 | mp3an | |- 0 < ( ; 1 0 ^ 7 ) |
| 202 | 16 198 201 | ltleii | |- 0 <_ ( ; 1 0 ^ 7 ) |
| 203 | sqrtsq | |- ( ( ( ; 1 0 ^ 7 ) e. RR /\ 0 <_ ( ; 1 0 ^ 7 ) ) -> ( sqrt ` ( ( ; 1 0 ^ 7 ) ^ 2 ) ) = ( ; 1 0 ^ 7 ) ) |
|
| 204 | 198 202 203 | mp2an | |- ( sqrt ` ( ( ; 1 0 ^ 7 ) ^ 2 ) ) = ( ; 1 0 ^ 7 ) |
| 205 | 196 204 | eqtr3i | |- ( sqrt ` ( ; 1 0 ^ ; 1 4 ) ) = ( ; 1 0 ^ 7 ) |
| 206 | 27 59 | deccl | |- ; 1 4 e. NN0 |
| 207 | 206 | nn0zi | |- ; 1 4 e. ZZ |
| 208 | 18 207 146 | 3pm3.2i | |- ( ; 1 0 e. RR /\ ; 1 4 e. ZZ /\ ; 2 7 e. ZZ ) |
| 209 | 1lt2 | |- 1 < 2 |
|
| 210 | 27 19 59 1 164 209 | decltc | |- ; 1 4 < ; 2 7 |
| 211 | 177 210 | pm3.2i | |- ( 1 < ; 1 0 /\ ; 1 4 < ; 2 7 ) |
| 212 | ltexp2a | |- ( ( ( ; 1 0 e. RR /\ ; 1 4 e. ZZ /\ ; 2 7 e. ZZ ) /\ ( 1 < ; 1 0 /\ ; 1 4 < ; 2 7 ) ) -> ( ; 1 0 ^ ; 1 4 ) < ( ; 1 0 ^ ; 2 7 ) ) |
|
| 213 | 208 211 212 | mp2an | |- ( ; 1 0 ^ ; 1 4 ) < ( ; 1 0 ^ ; 2 7 ) |
| 214 | reexpcl | |- ( ( ; 1 0 e. RR /\ ; 1 4 e. NN0 ) -> ( ; 1 0 ^ ; 1 4 ) e. RR ) |
|
| 215 | 18 206 214 | mp2an | |- ( ; 1 0 ^ ; 1 4 ) e. RR |
| 216 | expgt0 | |- ( ( ; 1 0 e. RR /\ ; 1 4 e. ZZ /\ 0 < ; 1 0 ) -> 0 < ( ; 1 0 ^ ; 1 4 ) ) |
|
| 217 | 18 207 123 216 | mp3an | |- 0 < ( ; 1 0 ^ ; 1 4 ) |
| 218 | 16 215 217 | ltleii | |- 0 <_ ( ; 1 0 ^ ; 1 4 ) |
| 219 | 215 218 | pm3.2i | |- ( ( ; 1 0 ^ ; 1 4 ) e. RR /\ 0 <_ ( ; 1 0 ^ ; 1 4 ) ) |
| 220 | 16 22 36 | ltleii | |- 0 <_ ( ; 1 0 ^ ; 2 7 ) |
| 221 | 22 220 | pm3.2i | |- ( ( ; 1 0 ^ ; 2 7 ) e. RR /\ 0 <_ ( ; 1 0 ^ ; 2 7 ) ) |
| 222 | sqrtlt | |- ( ( ( ( ; 1 0 ^ ; 1 4 ) e. RR /\ 0 <_ ( ; 1 0 ^ ; 1 4 ) ) /\ ( ( ; 1 0 ^ ; 2 7 ) e. RR /\ 0 <_ ( ; 1 0 ^ ; 2 7 ) ) ) -> ( ( ; 1 0 ^ ; 1 4 ) < ( ; 1 0 ^ ; 2 7 ) <-> ( sqrt ` ( ; 1 0 ^ ; 1 4 ) ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) |
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| 223 | 219 221 222 | mp2an | |- ( ( ; 1 0 ^ ; 1 4 ) < ( ; 1 0 ^ ; 2 7 ) <-> ( sqrt ` ( ; 1 0 ^ ; 1 4 ) ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) |
| 224 | 213 223 | mpbi | |- ( sqrt ` ( ; 1 0 ^ ; 1 4 ) ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) |
| 225 | 205 224 | eqbrtrri | |- ( ; 1 0 ^ 7 ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) |
| 226 | 198 201 | pm3.2i | |- ( ( ; 1 0 ^ 7 ) e. RR /\ 0 < ( ; 1 0 ^ 7 ) ) |
| 227 | 52 53 | pm3.2i | |- ( ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) e. RR /\ 0 < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) |
| 228 | 51 184 | pm3.2i | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) e. RR /\ 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) ) |
| 229 | ltdiv2 | |- ( ( ( ( ; 1 0 ^ 7 ) e. RR /\ 0 < ( ; 1 0 ^ 7 ) ) /\ ( ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) e. RR /\ 0 < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) /\ ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) e. RR /\ 0 < ( log ` ( ; 1 0 ^ ; 2 7 ) ) ) ) -> ( ( ; 1 0 ^ 7 ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) ) ) |
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| 230 | 226 227 228 229 | mp3an | |- ( ( ; 1 0 ^ 7 ) < ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) ) |
| 231 | 225 230 | mpbi | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) |
| 232 | 6nn | |- 6 e. NN |
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| 233 | 232 | nngt0i | |- 0 < 6 |
| 234 | 27 26 232 233 | declt | |- ; 1 0 < ; 1 6 |
| 235 | 6nn0 | |- 6 e. NN0 |
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| 236 | 27 235 | deccl | |- ; 1 6 e. NN0 |
| 237 | 236 | nn0rei | |- ; 1 6 e. RR |
| 238 | 25 235 26 123 | declti | |- 0 < ; 1 6 |
| 239 | elrp | |- ( ; 1 6 e. RR+ <-> ( ; 1 6 e. RR /\ 0 < ; 1 6 ) ) |
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| 240 | 237 238 239 | mpbir2an | |- ; 1 6 e. RR+ |
| 241 | logltb | |- ( ( ; 1 0 e. RR+ /\ ; 1 6 e. RR+ ) -> ( ; 1 0 < ; 1 6 <-> ( log ` ; 1 0 ) < ( log ` ; 1 6 ) ) ) |
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| 242 | 125 240 241 | mp2an | |- ( ; 1 0 < ; 1 6 <-> ( log ` ; 1 0 ) < ( log ` ; 1 6 ) ) |
| 243 | 234 242 | mpbi | |- ( log ` ; 1 0 ) < ( log ` ; 1 6 ) |
| 244 | 2exp4 | |- ( 2 ^ 4 ) = ; 1 6 |
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| 245 | 244 | fveq2i | |- ( log ` ( 2 ^ 4 ) ) = ( log ` ; 1 6 ) |
| 246 | 2rp | |- 2 e. RR+ |
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| 247 | 59 | nn0zi | |- 4 e. ZZ |
| 248 | relogexp | |- ( ( 2 e. RR+ /\ 4 e. ZZ ) -> ( log ` ( 2 ^ 4 ) ) = ( 4 x. ( log ` 2 ) ) ) |
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| 249 | 246 247 248 | mp2an | |- ( log ` ( 2 ^ 4 ) ) = ( 4 x. ( log ` 2 ) ) |
| 250 | 245 249 | eqtr3i | |- ( log ` ; 1 6 ) = ( 4 x. ( log ` 2 ) ) |
| 251 | 243 250 | breqtri | |- ( log ` ; 1 0 ) < ( 4 x. ( log ` 2 ) ) |
| 252 | 100 | simpli | |- 2 < _e |
| 253 | logltb | |- ( ( 2 e. RR+ /\ _e e. RR+ ) -> ( 2 < _e <-> ( log ` 2 ) < ( log ` _e ) ) ) |
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| 254 | 246 102 253 | mp2an | |- ( 2 < _e <-> ( log ` 2 ) < ( log ` _e ) ) |
| 255 | 252 254 | mpbi | |- ( log ` 2 ) < ( log ` _e ) |
| 256 | 255 99 | breqtri | |- ( log ` 2 ) < 1 |
| 257 | 4pos | |- 0 < 4 |
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| 258 | relogcl | |- ( 2 e. RR+ -> ( log ` 2 ) e. RR ) |
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| 259 | 246 258 | ax-mp | |- ( log ` 2 ) e. RR |
| 260 | 259 28 3 | ltmul2i | |- ( 0 < 4 -> ( ( log ` 2 ) < 1 <-> ( 4 x. ( log ` 2 ) ) < ( 4 x. 1 ) ) ) |
| 261 | 257 260 | ax-mp | |- ( ( log ` 2 ) < 1 <-> ( 4 x. ( log ` 2 ) ) < ( 4 x. 1 ) ) |
| 262 | 256 261 | mpbi | |- ( 4 x. ( log ` 2 ) ) < ( 4 x. 1 ) |
| 263 | 4cn | |- 4 e. CC |
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| 264 | 263 | mulridi | |- ( 4 x. 1 ) = 4 |
| 265 | 262 264 | breqtri | |- ( 4 x. ( log ` 2 ) ) < 4 |
| 266 | 3 259 | remulcli | |- ( 4 x. ( log ` 2 ) ) e. RR |
| 267 | 134 266 3 | lttri | |- ( ( ( log ` ; 1 0 ) < ( 4 x. ( log ` 2 ) ) /\ ( 4 x. ( log ` 2 ) ) < 4 ) -> ( log ` ; 1 0 ) < 4 ) |
| 268 | 251 265 267 | mp2an | |- ( log ` ; 1 0 ) < 4 |
| 269 | 134 3 92 | ltmul2i | |- ( 0 < ; 2 7 -> ( ( log ` ; 1 0 ) < 4 <-> ( ; 2 7 x. ( log ` ; 1 0 ) ) < ( ; 2 7 x. 4 ) ) ) |
| 270 | 141 269 | ax-mp | |- ( ( log ` ; 1 0 ) < 4 <-> ( ; 2 7 x. ( log ` ; 1 0 ) ) < ( ; 2 7 x. 4 ) ) |
| 271 | 268 270 | mpbi | |- ( ; 2 7 x. ( log ` ; 1 0 ) ) < ( ; 2 7 x. 4 ) |
| 272 | 148 271 | eqbrtri | |- ( log ` ( ; 1 0 ^ ; 2 7 ) ) < ( ; 2 7 x. 4 ) |
| 273 | 92 3 | remulcli | |- ( ; 2 7 x. 4 ) e. RR |
| 274 | 51 273 198 | ltdiv1i | |- ( 0 < ( ; 1 0 ^ 7 ) -> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) < ( ; 2 7 x. 4 ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) ) |
| 275 | 201 274 | ax-mp | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) < ( ; 2 7 x. 4 ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) |
| 276 | 272 275 | mpbi | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) |
| 277 | 16 201 | gtneii | |- ( ; 1 0 ^ 7 ) =/= 0 |
| 278 | 51 198 277 | redivcli | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) e. RR |
| 279 | 273 198 277 | redivcli | |- ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) e. RR |
| 280 | 55 278 279 | lttri | |- ( ( ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) /\ ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( ; 1 0 ^ 7 ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) -> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) |
| 281 | 231 276 280 | mp2an | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) |
| 282 | 7lt10 | |- 7 < ; 1 0 |
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| 283 | 2lt10 | |- 2 < ; 1 0 |
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| 284 | 19 173 1 26 282 283 | decltc | |- ; 2 7 < ; ; 1 0 0 |
| 285 | 10nn | |- ; 1 0 e. NN |
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| 286 | 285 | decnncl2 | |- ; ; 1 0 0 e. NN |
| 287 | 286 | nnrei | |- ; ; 1 0 0 e. RR |
| 288 | 92 287 3 | ltmul1i | |- ( 0 < 4 -> ( ; 2 7 < ; ; 1 0 0 <-> ( ; 2 7 x. 4 ) < ( ; ; 1 0 0 x. 4 ) ) ) |
| 289 | 257 288 | ax-mp | |- ( ; 2 7 < ; ; 1 0 0 <-> ( ; 2 7 x. 4 ) < ( ; ; 1 0 0 x. 4 ) ) |
| 290 | 284 289 | mpbi | |- ( ; 2 7 x. 4 ) < ( ; ; 1 0 0 x. 4 ) |
| 291 | 287 3 | remulcli | |- ( ; ; 1 0 0 x. 4 ) e. RR |
| 292 | 273 291 198 | ltdiv1i | |- ( 0 < ( ; 1 0 ^ 7 ) -> ( ( ; 2 7 x. 4 ) < ( ; ; 1 0 0 x. 4 ) <-> ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) ) |
| 293 | 201 292 | ax-mp | |- ( ( ; 2 7 x. 4 ) < ( ; ; 1 0 0 x. 4 ) <-> ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) ) |
| 294 | 290 293 | mpbi | |- ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) |
| 295 | 8nn | |- 8 e. NN |
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| 296 | nnrp | |- ( 8 e. NN -> 8 e. RR+ ) |
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| 297 | 295 296 | ax-mp | |- 8 e. RR+ |
| 298 | 59 297 | rpdp2cl | |- _ 4 8 e. RR+ |
| 299 | 19 298 | rpdp2cl | |- _ 2 _ 4 8 e. RR+ |
| 300 | 19 299 | rpdp2cl | |- _ 2 _ 2 _ 4 8 e. RR+ |
| 301 | 59 300 | dpgti | |- 4 < ( 4 . _ 2 _ 2 _ 4 8 ) |
| 302 | 72 | recni | |- ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) e. CC |
| 303 | 198 | recni | |- ( ; 1 0 ^ 7 ) e. CC |
| 304 | 302 303 | mulcli | |- ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) e. CC |
| 305 | 16 123 | gtneii | |- ; 1 0 =/= 0 |
| 306 | 190 305 | pm3.2i | |- ( ; 1 0 e. CC /\ ; 1 0 =/= 0 ) |
| 307 | 287 | recni | |- ; ; 1 0 0 e. CC |
| 308 | 286 | nnne0i | |- ; ; 1 0 0 =/= 0 |
| 309 | 307 308 | pm3.2i | |- ( ; ; 1 0 0 e. CC /\ ; ; 1 0 0 =/= 0 ) |
| 310 | divdiv1 | |- ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) e. CC /\ ( ; 1 0 e. CC /\ ; 1 0 =/= 0 ) /\ ( ; ; 1 0 0 e. CC /\ ; ; 1 0 0 =/= 0 ) ) -> ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ; 1 0 ) / ; ; 1 0 0 ) = ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ( ; 1 0 x. ; ; 1 0 0 ) ) ) |
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| 311 | 304 306 309 310 | mp3an | |- ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ; 1 0 ) / ; ; 1 0 0 ) = ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ( ; 1 0 x. ; ; 1 0 0 ) ) |
| 312 | 302 303 190 305 | div23i | |- ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ; 1 0 ) = ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) |
| 313 | 312 | oveq1i | |- ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ; 1 0 ) / ; ; 1 0 0 ) = ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) / ; ; 1 0 0 ) |
| 314 | 190 307 | mulcli | |- ( ; 1 0 x. ; ; 1 0 0 ) e. CC |
| 315 | 190 307 305 308 | mulne0i | |- ( ; 1 0 x. ; ; 1 0 0 ) =/= 0 |
| 316 | 302 303 314 315 | divassi | |- ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ( ; 1 0 x. ; ; 1 0 0 ) ) = ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ( ; 1 0 ^ 7 ) / ( ; 1 0 x. ; ; 1 0 0 ) ) ) |
| 317 | expp1 | |- ( ( ; 1 0 e. CC /\ 2 e. NN0 ) -> ( ; 1 0 ^ ( 2 + 1 ) ) = ( ( ; 1 0 ^ 2 ) x. ; 1 0 ) ) |
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| 318 | 190 19 317 | mp2an | |- ( ; 1 0 ^ ( 2 + 1 ) ) = ( ( ; 1 0 ^ 2 ) x. ; 1 0 ) |
| 319 | sq10 | |- ( ; 1 0 ^ 2 ) = ; ; 1 0 0 |
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| 320 | 319 | oveq1i | |- ( ( ; 1 0 ^ 2 ) x. ; 1 0 ) = ( ; ; 1 0 0 x. ; 1 0 ) |
| 321 | 307 190 | mulcomi | |- ( ; ; 1 0 0 x. ; 1 0 ) = ( ; 1 0 x. ; ; 1 0 0 ) |
| 322 | 318 320 321 | 3eqtrri | |- ( ; 1 0 x. ; ; 1 0 0 ) = ( ; 1 0 ^ ( 2 + 1 ) ) |
| 323 | 2p1e3 | |- ( 2 + 1 ) = 3 |
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| 324 | 323 | oveq2i | |- ( ; 1 0 ^ ( 2 + 1 ) ) = ( ; 1 0 ^ 3 ) |
| 325 | 322 324 | eqtri | |- ( ; 1 0 x. ; ; 1 0 0 ) = ( ; 1 0 ^ 3 ) |
| 326 | 325 | oveq2i | |- ( ( ; 1 0 ^ 7 ) / ( ; 1 0 x. ; ; 1 0 0 ) ) = ( ( ; 1 0 ^ 7 ) / ( ; 1 0 ^ 3 ) ) |
| 327 | 74 | nn0zi | |- 3 e. ZZ |
| 328 | 199 327 | pm3.2i | |- ( 7 e. ZZ /\ 3 e. ZZ ) |
| 329 | expsub | |- ( ( ( ; 1 0 e. CC /\ ; 1 0 =/= 0 ) /\ ( 7 e. ZZ /\ 3 e. ZZ ) ) -> ( ; 1 0 ^ ( 7 - 3 ) ) = ( ( ; 1 0 ^ 7 ) / ( ; 1 0 ^ 3 ) ) ) |
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| 330 | 306 328 329 | mp2an | |- ( ; 1 0 ^ ( 7 - 3 ) ) = ( ( ; 1 0 ^ 7 ) / ( ; 1 0 ^ 3 ) ) |
| 331 | 7cn | |- 7 e. CC |
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| 332 | 4p3e7 | |- ( 4 + 3 ) = 7 |
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| 333 | 263 112 332 | addcomli | |- ( 3 + 4 ) = 7 |
| 334 | 331 112 263 333 | subaddrii | |- ( 7 - 3 ) = 4 |
| 335 | 334 | oveq2i | |- ( ; 1 0 ^ ( 7 - 3 ) ) = ( ; 1 0 ^ 4 ) |
| 336 | 326 330 335 | 3eqtr2i | |- ( ( ; 1 0 ^ 7 ) / ( ; 1 0 x. ; ; 1 0 0 ) ) = ( ; 1 0 ^ 4 ) |
| 337 | 336 | oveq2i | |- ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ( ; 1 0 ^ 7 ) / ( ; 1 0 x. ; ; 1 0 0 ) ) ) = ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 4 ) ) |
| 338 | 173 | numexp1 | |- ( ; 1 0 ^ 1 ) = ; 1 0 |
| 339 | 338 | oveq2i | |- ( ( 0 . _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 1 ) ) = ( ( 0 . _ 4 _ 2 _ 2 _ 4 8 ) x. ; 1 0 ) |
| 340 | 59 300 | rpdp2cl | |- _ 4 _ 2 _ 2 _ 4 8 e. RR+ |
| 341 | 25 | nnzi | |- 1 e. ZZ |
| 342 | 89 | nnzi | |- 2 e. ZZ |
| 343 | 26 340 98 341 342 | dpexpp1 | |- ( ( 0 . _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 1 ) ) = ( ( 0 . _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 2 ) ) |
| 344 | 26 340 | rpdp2cl | |- _ 0 _ 4 _ 2 _ 2 _ 4 8 e. RR+ |
| 345 | 26 344 323 342 327 | dpexpp1 | |- ( ( 0 . _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 2 ) ) = ( ( 0 . _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 3 ) ) |
| 346 | 26 344 | rpdp2cl | |- _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 e. RR+ |
| 347 | 3p1e4 | |- ( 3 + 1 ) = 4 |
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| 348 | 26 346 347 327 247 | dpexpp1 | |- ( ( 0 . _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 3 ) ) = ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 4 ) ) |
| 349 | 343 345 348 | 3eqtri | |- ( ( 0 . _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 1 ) ) = ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 4 ) ) |
| 350 | 59 300 | 0dp2dp | |- ( ( 0 . _ 4 _ 2 _ 2 _ 4 8 ) x. ; 1 0 ) = ( 4 . _ 2 _ 2 _ 4 8 ) |
| 351 | 339 349 350 | 3eqtr3i | |- ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 4 ) ) = ( 4 . _ 2 _ 2 _ 4 8 ) |
| 352 | 316 337 351 | 3eqtri | |- ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) x. ( ; 1 0 ^ 7 ) ) / ( ; 1 0 x. ; ; 1 0 0 ) ) = ( 4 . _ 2 _ 2 _ 4 8 ) |
| 353 | 311 313 352 | 3eqtr3i | |- ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) / ; ; 1 0 0 ) = ( 4 . _ 2 _ 2 _ 4 8 ) |
| 354 | 301 353 | breqtrri | |- 4 < ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) / ; ; 1 0 0 ) |
| 355 | 72 18 305 | redivcli | |- ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) e. RR |
| 356 | 355 198 | remulcli | |- ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) e. RR |
| 357 | 286 | nngt0i | |- 0 < ; ; 1 0 0 |
| 358 | 287 357 | pm3.2i | |- ( ; ; 1 0 0 e. RR /\ 0 < ; ; 1 0 0 ) |
| 359 | ltmuldiv2 | |- ( ( 4 e. RR /\ ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) e. RR /\ ( ; ; 1 0 0 e. RR /\ 0 < ; ; 1 0 0 ) ) -> ( ( ; ; 1 0 0 x. 4 ) < ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) <-> 4 < ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) / ; ; 1 0 0 ) ) ) |
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| 360 | 3 356 358 359 | mp3an | |- ( ( ; ; 1 0 0 x. 4 ) < ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) <-> 4 < ( ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) / ; ; 1 0 0 ) ) |
| 361 | 354 360 | mpbir | |- ( ; ; 1 0 0 x. 4 ) < ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) |
| 362 | ltdivmul2 | |- ( ( ( ; ; 1 0 0 x. 4 ) e. RR /\ ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) e. RR /\ ( ( ; 1 0 ^ 7 ) e. RR /\ 0 < ( ; 1 0 ^ 7 ) ) ) -> ( ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) <-> ( ; ; 1 0 0 x. 4 ) < ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) ) ) |
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| 363 | 291 355 226 362 | mp3an | |- ( ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) <-> ( ; ; 1 0 0 x. 4 ) < ( ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) x. ( ; 1 0 ^ 7 ) ) ) |
| 364 | 361 363 | mpbir | |- ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) |
| 365 | 291 198 277 | redivcli | |- ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) e. RR |
| 366 | 279 365 355 | lttri | |- ( ( ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) /\ ( ( ; ; 1 0 0 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) -> ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) |
| 367 | 294 364 366 | mp2an | |- ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) |
| 368 | 226 | simpli | |- ( ; 1 0 ^ 7 ) e. RR |
| 369 | 273 368 277 | redivcli | |- ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) e. RR |
| 370 | 55 369 355 | lttri | |- ( ( ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) /\ ( ( ; 2 7 x. 4 ) / ( ; 1 0 ^ 7 ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) -> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) |
| 371 | 281 367 370 | mp2an | |- ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) |
| 372 | 125 124 | mpbi | |- ( ; 1 0 e. RR /\ 0 < ; 1 0 ) |
| 373 | ltmuldiv2 | |- ( ( ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) e. RR /\ ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) e. RR /\ ( ; 1 0 e. RR /\ 0 < ; 1 0 ) ) -> ( ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) ) |
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| 374 | 55 72 372 373 | mp3an | |- ( ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) <-> ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) < ( ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) / ; 1 0 ) ) |
| 375 | 371 374 | mpbir | |- ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) |
| 376 | 12 55 | remulcli | |- ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) e. RR |
| 377 | 18 55 | remulcli | |- ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) e. RR |
| 378 | 376 377 72 | lttri | |- ( ( ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) /\ ( ; 1 0 x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) ) |
| 379 | 189 375 378 | mp2an | |- ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) |
| 380 | 379 | a1i | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` ( ; 1 0 ^ ; 2 7 ) ) / ( sqrt ` ( ; 1 0 ^ ; 2 7 ) ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) ) |
| 381 | 47 57 73 162 380 | lelttrd | |- ( ( N e. NN0 /\ ( ; 1 0 ^ ; 2 7 ) <_ N ) -> ( ( 7 . _ 3 _ 4 8 ) x. ( ( log ` N ) / ( sqrt ` N ) ) ) < ( 0 . _ 0 _ 0 _ 0 _ 4 _ 2 _ 2 _ 4 8 ) ) |