Description: First inequality in inequality chain, proposed by Mario Carneiro (Contributed by metakunt, 22-May-2024)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | 3lexlogpow5ineq1 | |- 9 < ( ( ; 1 1 / 7 ) ^ 5 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid | |- 5 = 5 |
|
| 2 | 2p2e4 | |- ( 2 + 2 ) = 4 |
|
| 3 | 2 | oveq1i | |- ( ( 2 + 2 ) + 1 ) = ( 4 + 1 ) |
| 4 | 4p1e5 | |- ( 4 + 1 ) = 5 |
|
| 5 | 3 4 | eqtri | |- ( ( 2 + 2 ) + 1 ) = 5 |
| 6 | 1 5 | eqtr4i | |- 5 = ( ( 2 + 2 ) + 1 ) |
| 7 | 6 | oveq2i | |- ( 7 ^ 5 ) = ( 7 ^ ( ( 2 + 2 ) + 1 ) ) |
| 8 | 7cn | |- 7 e. CC |
|
| 9 | 2nn0 | |- 2 e. NN0 |
|
| 10 | 9 9 | nn0addcli | |- ( 2 + 2 ) e. NN0 |
| 11 | 8 10 | pm3.2i | |- ( 7 e. CC /\ ( 2 + 2 ) e. NN0 ) |
| 12 | expp1 | |- ( ( 7 e. CC /\ ( 2 + 2 ) e. NN0 ) -> ( 7 ^ ( ( 2 + 2 ) + 1 ) ) = ( ( 7 ^ ( 2 + 2 ) ) x. 7 ) ) |
|
| 13 | 11 12 | ax-mp | |- ( 7 ^ ( ( 2 + 2 ) + 1 ) ) = ( ( 7 ^ ( 2 + 2 ) ) x. 7 ) |
| 14 | 8 9 9 | 3pm3.2i | |- ( 7 e. CC /\ 2 e. NN0 /\ 2 e. NN0 ) |
| 15 | expadd | |- ( ( 7 e. CC /\ 2 e. NN0 /\ 2 e. NN0 ) -> ( 7 ^ ( 2 + 2 ) ) = ( ( 7 ^ 2 ) x. ( 7 ^ 2 ) ) ) |
|
| 16 | 14 15 | ax-mp | |- ( 7 ^ ( 2 + 2 ) ) = ( ( 7 ^ 2 ) x. ( 7 ^ 2 ) ) |
| 17 | 8 | sqvali | |- ( 7 ^ 2 ) = ( 7 x. 7 ) |
| 18 | 7t7e49 | |- ( 7 x. 7 ) = ; 4 9 |
|
| 19 | 17 18 | eqtri | |- ( 7 ^ 2 ) = ; 4 9 |
| 20 | 19 19 | oveq12i | |- ( ( 7 ^ 2 ) x. ( 7 ^ 2 ) ) = ( ; 4 9 x. ; 4 9 ) |
| 21 | 4nn0 | |- 4 e. NN0 |
|
| 22 | 9nn0 | |- 9 e. NN0 |
|
| 23 | 21 22 | deccl | |- ; 4 9 e. NN0 |
| 24 | eqid | |- ; 4 9 = ; 4 9 |
|
| 25 | 1nn0 | |- 1 e. NN0 |
|
| 26 | 21 21 | deccl | |- ; 4 4 e. NN0 |
| 27 | eqid | |- ; 4 4 = ; 4 4 |
|
| 28 | 0nn0 | |- 0 e. NN0 |
|
| 29 | 6nn0 | |- 6 e. NN0 |
|
| 30 | 21 21 | nn0addcli | |- ( 4 + 4 ) e. NN0 |
| 31 | 4t4e16 | |- ( 4 x. 4 ) = ; 1 6 |
|
| 32 | 1p1e2 | |- ( 1 + 1 ) = 2 |
|
| 33 | 4p4e8 | |- ( 4 + 4 ) = 8 |
|
| 34 | 33 | oveq2i | |- ( 6 + ( 4 + 4 ) ) = ( 6 + 8 ) |
| 35 | 8cn | |- 8 e. CC |
|
| 36 | 6cn | |- 6 e. CC |
|
| 37 | 8p6e14 | |- ( 8 + 6 ) = ; 1 4 |
|
| 38 | 35 36 37 | addcomli | |- ( 6 + 8 ) = ; 1 4 |
| 39 | 34 38 | eqtri | |- ( 6 + ( 4 + 4 ) ) = ; 1 4 |
| 40 | 25 29 30 31 32 21 39 | decaddci | |- ( ( 4 x. 4 ) + ( 4 + 4 ) ) = ; 2 4 |
| 41 | 3nn0 | |- 3 e. NN0 |
|
| 42 | 9t4e36 | |- ( 9 x. 4 ) = ; 3 6 |
|
| 43 | 3p1e4 | |- ( 3 + 1 ) = 4 |
|
| 44 | 6p4e10 | |- ( 6 + 4 ) = ; 1 0 |
|
| 45 | 41 29 21 42 43 44 | decaddci2 | |- ( ( 9 x. 4 ) + 4 ) = ; 4 0 |
| 46 | 21 22 21 21 24 27 21 28 21 40 45 | decmac | |- ( ( ; 4 9 x. 4 ) + ; 4 4 ) = ; ; 2 4 0 |
| 47 | 8nn0 | |- 8 e. NN0 |
|
| 48 | 9cn | |- 9 e. CC |
|
| 49 | 4cn | |- 4 e. CC |
|
| 50 | 48 49 42 | mulcomli | |- ( 4 x. 9 ) = ; 3 6 |
| 51 | 41 29 47 50 43 21 38 | decaddci | |- ( ( 4 x. 9 ) + 8 ) = ; 4 4 |
| 52 | 9t9e81 | |- ( 9 x. 9 ) = ; 8 1 |
|
| 53 | 22 21 22 24 25 47 51 52 | decmul1c | |- ( ; 4 9 x. 9 ) = ; ; 4 4 1 |
| 54 | 23 21 22 24 25 26 46 53 | decmul2c | |- ( ; 4 9 x. ; 4 9 ) = ; ; ; 2 4 0 1 |
| 55 | 20 54 | eqtri | |- ( ( 7 ^ 2 ) x. ( 7 ^ 2 ) ) = ; ; ; 2 4 0 1 |
| 56 | 16 55 | eqtri | |- ( 7 ^ ( 2 + 2 ) ) = ; ; ; 2 4 0 1 |
| 57 | 56 | oveq1i | |- ( ( 7 ^ ( 2 + 2 ) ) x. 7 ) = ( ; ; ; 2 4 0 1 x. 7 ) |
| 58 | 7 13 57 | 3eqtri | |- ( 7 ^ 5 ) = ( ; ; ; 2 4 0 1 x. 7 ) |
| 59 | 7nn0 | |- 7 e. NN0 |
|
| 60 | 9 21 | deccl | |- ; 2 4 e. NN0 |
| 61 | 60 28 | deccl | |- ; ; 2 4 0 e. NN0 |
| 62 | eqid | |- ; ; ; 2 4 0 1 = ; ; ; 2 4 0 1 |
|
| 63 | 25 29 | deccl | |- ; 1 6 e. NN0 |
| 64 | 63 47 | deccl | |- ; ; 1 6 8 e. NN0 |
| 65 | eqid | |- ; ; 2 4 0 = ; ; 2 4 0 |
|
| 66 | eqid | |- ; 2 4 = ; 2 4 |
|
| 67 | 2cn | |- 2 e. CC |
|
| 68 | 7t2e14 | |- ( 7 x. 2 ) = ; 1 4 |
|
| 69 | 8 67 68 | mulcomli | |- ( 2 x. 7 ) = ; 1 4 |
| 70 | 4p2e6 | |- ( 4 + 2 ) = 6 |
|
| 71 | 25 21 9 69 70 | decaddi | |- ( ( 2 x. 7 ) + 2 ) = ; 1 6 |
| 72 | 7t4e28 | |- ( 7 x. 4 ) = ; 2 8 |
|
| 73 | 8 49 72 | mulcomli | |- ( 4 x. 7 ) = ; 2 8 |
| 74 | 59 9 21 66 47 9 71 73 | decmul1c | |- ( ; 2 4 x. 7 ) = ; ; 1 6 8 |
| 75 | 35 | addridi | |- ( 8 + 0 ) = 8 |
| 76 | 63 47 28 74 75 | decaddi | |- ( ( ; 2 4 x. 7 ) + 0 ) = ; ; 1 6 8 |
| 77 | 0cn | |- 0 e. CC |
|
| 78 | 8 | mul01i | |- ( 7 x. 0 ) = 0 |
| 79 | 28 | dec0h | |- 0 = ; 0 0 |
| 80 | 79 | eqcomi | |- ; 0 0 = 0 |
| 81 | 78 80 | eqtr4i | |- ( 7 x. 0 ) = ; 0 0 |
| 82 | 8 77 81 | mulcomli | |- ( 0 x. 7 ) = ; 0 0 |
| 83 | 59 60 28 65 28 28 76 82 | decmul1c | |- ( ; ; 2 4 0 x. 7 ) = ; ; ; 1 6 8 0 |
| 84 | 00id | |- ( 0 + 0 ) = 0 |
|
| 85 | 64 28 28 83 84 | decaddi | |- ( ( ; ; 2 4 0 x. 7 ) + 0 ) = ; ; ; 1 6 8 0 |
| 86 | ax-1cn | |- 1 e. CC |
|
| 87 | 8 | mulridi | |- ( 7 x. 1 ) = 7 |
| 88 | 59 | dec0h | |- 7 = ; 0 7 |
| 89 | 88 | eqcomi | |- ; 0 7 = 7 |
| 90 | 87 89 | eqtr4i | |- ( 7 x. 1 ) = ; 0 7 |
| 91 | 8 86 90 | mulcomli | |- ( 1 x. 7 ) = ; 0 7 |
| 92 | 59 61 25 62 59 28 85 91 | decmul1c | |- ( ; ; ; 2 4 0 1 x. 7 ) = ; ; ; ; 1 6 8 0 7 |
| 93 | 58 92 | eqtri | |- ( 7 ^ 5 ) = ; ; ; ; 1 6 8 0 7 |
| 94 | 93 | oveq2i | |- ( 9 x. ( 7 ^ 5 ) ) = ( 9 x. ; ; ; ; 1 6 8 0 7 ) |
| 95 | 64 28 | deccl | |- ; ; ; 1 6 8 0 e. NN0 |
| 96 | 95 59 | deccl | |- ; ; ; ; 1 6 8 0 7 e. NN0 |
| 97 | 96 | nn0cni | |- ; ; ; ; 1 6 8 0 7 e. CC |
| 98 | 48 97 | mulcomi | |- ( 9 x. ; ; ; ; 1 6 8 0 7 ) = ( ; ; ; ; 1 6 8 0 7 x. 9 ) |
| 99 | eqid | |- ; ; ; ; 1 6 8 0 7 = ; ; ; ; 1 6 8 0 7 |
|
| 100 | eqid | |- ; ; ; 1 6 8 0 = ; ; ; 1 6 8 0 |
|
| 101 | 29 | dec0h | |- 6 = ; 0 6 |
| 102 | 5nn0 | |- 5 e. NN0 |
|
| 103 | 25 102 | deccl | |- ; 1 5 e. NN0 |
| 104 | 103 25 | deccl | |- ; ; 1 5 1 e. NN0 |
| 105 | eqid | |- ; ; 1 6 8 = ; ; 1 6 8 |
|
| 106 | eqid | |- ; 1 6 = ; 1 6 |
|
| 107 | 48 | mullidi | |- ( 1 x. 9 ) = 9 |
| 108 | 36 | addlidi | |- ( 0 + 6 ) = 6 |
| 109 | 107 108 | oveq12i | |- ( ( 1 x. 9 ) + ( 0 + 6 ) ) = ( 9 + 6 ) |
| 110 | 9p6e15 | |- ( 9 + 6 ) = ; 1 5 |
|
| 111 | 109 110 | eqtri | |- ( ( 1 x. 9 ) + ( 0 + 6 ) ) = ; 1 5 |
| 112 | 9t6e54 | |- ( 9 x. 6 ) = ; 5 4 |
|
| 113 | 48 36 112 | mulcomli | |- ( 6 x. 9 ) = ; 5 4 |
| 114 | 5p1e6 | |- ( 5 + 1 ) = 6 |
|
| 115 | 7p4e11 | |- ( 7 + 4 ) = ; 1 1 |
|
| 116 | 8 49 115 | addcomli | |- ( 4 + 7 ) = ; 1 1 |
| 117 | 102 21 59 113 114 25 116 | decaddci | |- ( ( 6 x. 9 ) + 7 ) = ; 6 1 |
| 118 | 25 29 28 59 106 88 22 25 29 111 117 | decmac | |- ( ( ; 1 6 x. 9 ) + 7 ) = ; ; 1 5 1 |
| 119 | 9t8e72 | |- ( 9 x. 8 ) = ; 7 2 |
|
| 120 | 48 35 119 | mulcomli | |- ( 8 x. 9 ) = ; 7 2 |
| 121 | 22 63 47 105 9 59 118 120 | decmul1c | |- ( ; ; 1 6 8 x. 9 ) = ; ; ; 1 5 1 2 |
| 122 | 67 | addridi | |- ( 2 + 0 ) = 2 |
| 123 | 104 9 28 121 122 | decaddi | |- ( ( ; ; 1 6 8 x. 9 ) + 0 ) = ; ; ; 1 5 1 2 |
| 124 | 48 | mul02i | |- ( 0 x. 9 ) = 0 |
| 125 | 124 | oveq1i | |- ( ( 0 x. 9 ) + 6 ) = ( 0 + 6 ) |
| 126 | 125 108 | eqtri | |- ( ( 0 x. 9 ) + 6 ) = 6 |
| 127 | 64 28 28 29 100 101 22 123 126 | decma | |- ( ( ; ; ; 1 6 8 0 x. 9 ) + 6 ) = ; ; ; ; 1 5 1 2 6 |
| 128 | 9t7e63 | |- ( 9 x. 7 ) = ; 6 3 |
|
| 129 | 48 8 128 | mulcomli | |- ( 7 x. 9 ) = ; 6 3 |
| 130 | 22 95 59 99 41 29 127 129 | decmul1c | |- ( ; ; ; ; 1 6 8 0 7 x. 9 ) = ; ; ; ; ; 1 5 1 2 6 3 |
| 131 | 104 9 | deccl | |- ; ; ; 1 5 1 2 e. NN0 |
| 132 | 131 29 | deccl | |- ; ; ; ; 1 5 1 2 6 e. NN0 |
| 133 | 63 25 | deccl | |- ; ; 1 6 1 e. NN0 |
| 134 | 133 28 | deccl | |- ; ; ; 1 6 1 0 e. NN0 |
| 135 | 134 102 | deccl | |- ; ; ; ; 1 6 1 0 5 e. NN0 |
| 136 | 3lt10 | |- 3 < ; 1 0 |
|
| 137 | 6lt10 | |- 6 < ; 1 0 |
|
| 138 | 2lt10 | |- 2 < ; 1 0 |
|
| 139 | 1lt10 | |- 1 < ; 1 0 |
|
| 140 | 6nn | |- 6 e. NN |
|
| 141 | 5lt6 | |- 5 < 6 |
|
| 142 | 25 102 140 141 | declt | |- ; 1 5 < ; 1 6 |
| 143 | 103 63 25 25 139 142 | decltc | |- ; ; 1 5 1 < ; ; 1 6 1 |
| 144 | 104 133 9 28 138 143 | decltc | |- ; ; ; 1 5 1 2 < ; ; ; 1 6 1 0 |
| 145 | 131 134 29 102 137 144 | decltc | |- ; ; ; ; 1 5 1 2 6 < ; ; ; ; 1 6 1 0 5 |
| 146 | 132 135 41 25 136 145 | decltc | |- ; ; ; ; ; 1 5 1 2 6 3 < ; ; ; ; ; 1 6 1 0 5 1 |
| 147 | 130 146 | eqbrtri | |- ( ; ; ; ; 1 6 8 0 7 x. 9 ) < ; ; ; ; ; 1 6 1 0 5 1 |
| 148 | 98 147 | eqbrtri | |- ( 9 x. ; ; ; ; 1 6 8 0 7 ) < ; ; ; ; ; 1 6 1 0 5 1 |
| 149 | 94 148 | eqbrtri | |- ( 9 x. ( 7 ^ 5 ) ) < ; ; ; ; ; 1 6 1 0 5 1 |
| 150 | 4 | eqcomi | |- 5 = ( 4 + 1 ) |
| 151 | 150 | oveq2i | |- ( ; 1 1 ^ 5 ) = ( ; 1 1 ^ ( 4 + 1 ) ) |
| 152 | 25 25 | deccl | |- ; 1 1 e. NN0 |
| 153 | 152 | nn0cni | |- ; 1 1 e. CC |
| 154 | 153 21 | pm3.2i | |- ( ; 1 1 e. CC /\ 4 e. NN0 ) |
| 155 | expp1 | |- ( ( ; 1 1 e. CC /\ 4 e. NN0 ) -> ( ; 1 1 ^ ( 4 + 1 ) ) = ( ( ; 1 1 ^ 4 ) x. ; 1 1 ) ) |
|
| 156 | 154 155 | ax-mp | |- ( ; 1 1 ^ ( 4 + 1 ) ) = ( ( ; 1 1 ^ 4 ) x. ; 1 1 ) |
| 157 | 2 | eqcomi | |- 4 = ( 2 + 2 ) |
| 158 | 157 | oveq2i | |- ( ; 1 1 ^ 4 ) = ( ; 1 1 ^ ( 2 + 2 ) ) |
| 159 | 153 9 9 | 3pm3.2i | |- ( ; 1 1 e. CC /\ 2 e. NN0 /\ 2 e. NN0 ) |
| 160 | expadd | |- ( ( ; 1 1 e. CC /\ 2 e. NN0 /\ 2 e. NN0 ) -> ( ; 1 1 ^ ( 2 + 2 ) ) = ( ( ; 1 1 ^ 2 ) x. ( ; 1 1 ^ 2 ) ) ) |
|
| 161 | 159 160 | ax-mp | |- ( ; 1 1 ^ ( 2 + 2 ) ) = ( ( ; 1 1 ^ 2 ) x. ( ; 1 1 ^ 2 ) ) |
| 162 | 153 | sqvali | |- ( ; 1 1 ^ 2 ) = ( ; 1 1 x. ; 1 1 ) |
| 163 | eqid | |- ; 1 1 = ; 1 1 |
|
| 164 | 153 | mullidi | |- ( 1 x. ; 1 1 ) = ; 1 1 |
| 165 | 25 25 32 164 | decsuc | |- ( ( 1 x. ; 1 1 ) + 1 ) = ; 1 2 |
| 166 | 152 25 25 163 25 25 165 164 | decmul1c | |- ( ; 1 1 x. ; 1 1 ) = ; ; 1 2 1 |
| 167 | 162 166 | eqtri | |- ( ; 1 1 ^ 2 ) = ; ; 1 2 1 |
| 168 | 167 167 | oveq12i | |- ( ( ; 1 1 ^ 2 ) x. ( ; 1 1 ^ 2 ) ) = ( ; ; 1 2 1 x. ; ; 1 2 1 ) |
| 169 | 25 9 | deccl | |- ; 1 2 e. NN0 |
| 170 | 169 25 | deccl | |- ; ; 1 2 1 e. NN0 |
| 171 | eqid | |- ; ; 1 2 1 = ; ; 1 2 1 |
|
| 172 | eqid | |- ; 1 2 = ; 1 2 |
|
| 173 | 170 | nn0cni | |- ; ; 1 2 1 e. CC |
| 174 | 173 | mullidi | |- ( 1 x. ; ; 1 2 1 ) = ; ; 1 2 1 |
| 175 | 25 | dec0h | |- 1 = ; 0 1 |
| 176 | 67 | addlidi | |- ( 0 + 2 ) = 2 |
| 177 | 49 86 4 | addcomli | |- ( 1 + 4 ) = 5 |
| 178 | 28 25 9 21 175 66 176 177 | decadd | |- ( 1 + ; 2 4 ) = ; 2 5 |
| 179 | 25 9 9 172 2 | decaddi | |- ( ; 1 2 + 2 ) = ; 1 4 |
| 180 | 5cn | |- 5 e. CC |
|
| 181 | 180 86 114 | addcomli | |- ( 1 + 5 ) = 6 |
| 182 | 169 25 9 102 174 178 179 181 | decadd | |- ( ( 1 x. ; ; 1 2 1 ) + ( 1 + ; 2 4 ) ) = ; ; 1 4 6 |
| 183 | 9 | dec0h | |- 2 = ; 0 2 |
| 184 | 28 28 | nn0addcli | |- ( 0 + 0 ) e. NN0 |
| 185 | 2t1e2 | |- ( 2 x. 1 ) = 2 |
|
| 186 | 185 | oveq1i | |- ( ( 2 x. 1 ) + 0 ) = ( 2 + 0 ) |
| 187 | 186 122 | eqtri | |- ( ( 2 x. 1 ) + 0 ) = 2 |
| 188 | 2t2e4 | |- ( 2 x. 2 ) = 4 |
|
| 189 | 21 | dec0h | |- 4 = ; 0 4 |
| 190 | 189 | eqcomi | |- ; 0 4 = 4 |
| 191 | 188 190 | eqtr4i | |- ( 2 x. 2 ) = ; 0 4 |
| 192 | 9 25 9 172 21 28 187 191 | decmul2c | |- ( 2 x. ; 1 2 ) = ; 2 4 |
| 193 | 84 | oveq2i | |- ( 4 + ( 0 + 0 ) ) = ( 4 + 0 ) |
| 194 | 49 | addridi | |- ( 4 + 0 ) = 4 |
| 195 | 193 194 | eqtri | |- ( 4 + ( 0 + 0 ) ) = 4 |
| 196 | 9 21 184 192 195 | decaddi | |- ( ( 2 x. ; 1 2 ) + ( 0 + 0 ) ) = ; 2 4 |
| 197 | 185 | oveq1i | |- ( ( 2 x. 1 ) + 2 ) = ( 2 + 2 ) |
| 198 | 197 2 | eqtri | |- ( ( 2 x. 1 ) + 2 ) = 4 |
| 199 | 198 190 | eqtr4i | |- ( ( 2 x. 1 ) + 2 ) = ; 0 4 |
| 200 | 169 25 28 9 171 183 9 21 28 196 199 | decma2c | |- ( ( 2 x. ; ; 1 2 1 ) + 2 ) = ; ; 2 4 4 |
| 201 | 25 9 25 9 172 172 170 21 60 182 200 | decmac | |- ( ( ; 1 2 x. ; ; 1 2 1 ) + ; 1 2 ) = ; ; ; 1 4 6 4 |
| 202 | 170 169 25 171 25 169 201 174 | decmul1c | |- ( ; ; 1 2 1 x. ; ; 1 2 1 ) = ; ; ; ; 1 4 6 4 1 |
| 203 | 168 202 | eqtri | |- ( ( ; 1 1 ^ 2 ) x. ( ; 1 1 ^ 2 ) ) = ; ; ; ; 1 4 6 4 1 |
| 204 | 161 203 | eqtri | |- ( ; 1 1 ^ ( 2 + 2 ) ) = ; ; ; ; 1 4 6 4 1 |
| 205 | 158 204 | eqtri | |- ( ; 1 1 ^ 4 ) = ; ; ; ; 1 4 6 4 1 |
| 206 | 205 | oveq1i | |- ( ( ; 1 1 ^ 4 ) x. ; 1 1 ) = ( ; ; ; ; 1 4 6 4 1 x. ; 1 1 ) |
| 207 | 156 206 | eqtri | |- ( ; 1 1 ^ ( 4 + 1 ) ) = ( ; ; ; ; 1 4 6 4 1 x. ; 1 1 ) |
| 208 | 151 207 | eqtri | |- ( ; 1 1 ^ 5 ) = ( ; ; ; ; 1 4 6 4 1 x. ; 1 1 ) |
| 209 | 25 21 | deccl | |- ; 1 4 e. NN0 |
| 210 | 209 29 | deccl | |- ; ; 1 4 6 e. NN0 |
| 211 | 210 21 | deccl | |- ; ; ; 1 4 6 4 e. NN0 |
| 212 | eqid | |- ; ; ; ; 1 4 6 4 1 = ; ; ; ; 1 4 6 4 1 |
|
| 213 | eqid | |- ; ; ; 1 4 6 4 = ; ; ; 1 4 6 4 |
|
| 214 | eqid | |- ; ; 1 4 6 = ; ; 1 4 6 |
|
| 215 | 194 190 | eqtr4i | |- ( 4 + 0 ) = ; 0 4 |
| 216 | 49 77 215 | addcomli | |- ( 0 + 4 ) = ; 0 4 |
| 217 | eqid | |- ; 1 4 = ; 1 4 |
|
| 218 | 8 | addridi | |- ( 7 + 0 ) = 7 |
| 219 | 218 89 | eqtr4i | |- ( 7 + 0 ) = ; 0 7 |
| 220 | 8 77 219 | addcomli | |- ( 0 + 7 ) = ; 0 7 |
| 221 | 28 102 | nn0addcli | |- ( 0 + 5 ) e. NN0 |
| 222 | 180 | addlidi | |- ( 0 + 5 ) = 5 |
| 223 | 222 | oveq2i | |- ( 1 + ( 0 + 5 ) ) = ( 1 + 5 ) |
| 224 | 223 181 | eqtri | |- ( 1 + ( 0 + 5 ) ) = 6 |
| 225 | 25 25 221 164 224 | decaddi | |- ( ( 1 x. ; 1 1 ) + ( 0 + 5 ) ) = ; 1 6 |
| 226 | 49 | mulridi | |- ( 4 x. 1 ) = 4 |
| 227 | 0p1e1 | |- ( 0 + 1 ) = 1 |
|
| 228 | 226 227 | oveq12i | |- ( ( 4 x. 1 ) + ( 0 + 1 ) ) = ( 4 + 1 ) |
| 229 | 228 4 | eqtri | |- ( ( 4 x. 1 ) + ( 0 + 1 ) ) = 5 |
| 230 | 226 | oveq1i | |- ( ( 4 x. 1 ) + 7 ) = ( 4 + 7 ) |
| 231 | 230 116 | eqtri | |- ( ( 4 x. 1 ) + 7 ) = ; 1 1 |
| 232 | 25 25 28 59 163 88 21 25 25 229 231 | decma2c | |- ( ( 4 x. ; 1 1 ) + 7 ) = ; 5 1 |
| 233 | 25 21 28 59 217 220 152 25 102 225 232 | decmac | |- ( ( ; 1 4 x. ; 1 1 ) + ( 0 + 7 ) ) = ; ; 1 6 1 |
| 234 | 36 | mulridi | |- ( 6 x. 1 ) = 6 |
| 235 | 86 | addlidi | |- ( 0 + 1 ) = 1 |
| 236 | 234 235 | oveq12i | |- ( ( 6 x. 1 ) + ( 0 + 1 ) ) = ( 6 + 1 ) |
| 237 | 6p1e7 | |- ( 6 + 1 ) = 7 |
|
| 238 | 236 237 | eqtri | |- ( ( 6 x. 1 ) + ( 0 + 1 ) ) = 7 |
| 239 | eqid | |- 4 = 4 |
|
| 240 | 234 239 | oveq12i | |- ( ( 6 x. 1 ) + 4 ) = ( 6 + 4 ) |
| 241 | 240 44 | eqtri | |- ( ( 6 x. 1 ) + 4 ) = ; 1 0 |
| 242 | 25 25 28 21 163 189 29 28 25 238 241 | decma2c | |- ( ( 6 x. ; 1 1 ) + 4 ) = ; 7 0 |
| 243 | 209 29 28 21 214 216 152 28 59 233 242 | decmac | |- ( ( ; ; 1 4 6 x. ; 1 1 ) + ( 0 + 4 ) ) = ; ; ; 1 6 1 0 |
| 244 | 226 84 | oveq12i | |- ( ( 4 x. 1 ) + ( 0 + 0 ) ) = ( 4 + 0 ) |
| 245 | 244 194 | eqtri | |- ( ( 4 x. 1 ) + ( 0 + 0 ) ) = 4 |
| 246 | 226 | oveq1i | |- ( ( 4 x. 1 ) + 1 ) = ( 4 + 1 ) |
| 247 | 246 4 | eqtri | |- ( ( 4 x. 1 ) + 1 ) = 5 |
| 248 | 102 | dec0h | |- 5 = ; 0 5 |
| 249 | 248 | eqcomi | |- ; 0 5 = 5 |
| 250 | 247 249 | eqtr4i | |- ( ( 4 x. 1 ) + 1 ) = ; 0 5 |
| 251 | 25 25 28 25 163 175 21 102 28 245 250 | decma2c | |- ( ( 4 x. ; 1 1 ) + 1 ) = ; 4 5 |
| 252 | 210 21 28 25 213 175 152 102 21 243 251 | decmac | |- ( ( ; ; ; 1 4 6 4 x. ; 1 1 ) + 1 ) = ; ; ; ; 1 6 1 0 5 |
| 253 | 152 211 25 212 25 25 252 164 | decmul1c | |- ( ; ; ; ; 1 4 6 4 1 x. ; 1 1 ) = ; ; ; ; ; 1 6 1 0 5 1 |
| 254 | 208 253 | eqtri | |- ( ; 1 1 ^ 5 ) = ; ; ; ; ; 1 6 1 0 5 1 |
| 255 | 254 | eqcomi | |- ; ; ; ; ; 1 6 1 0 5 1 = ( ; 1 1 ^ 5 ) |
| 256 | 149 255 | breqtri | |- ( 9 x. ( 7 ^ 5 ) ) < ( ; 1 1 ^ 5 ) |
| 257 | 7re | |- 7 e. RR |
|
| 258 | 5nn | |- 5 e. NN |
|
| 259 | 258 | nnzi | |- 5 e. ZZ |
| 260 | 7pos | |- 0 < 7 |
|
| 261 | 257 259 260 | 3pm3.2i | |- ( 7 e. RR /\ 5 e. ZZ /\ 0 < 7 ) |
| 262 | expgt0 | |- ( ( 7 e. RR /\ 5 e. ZZ /\ 0 < 7 ) -> 0 < ( 7 ^ 5 ) ) |
|
| 263 | 261 262 | ax-mp | |- 0 < ( 7 ^ 5 ) |
| 264 | 9re | |- 9 e. RR |
|
| 265 | 1nn | |- 1 e. NN |
|
| 266 | 25 265 | decnncl | |- ; 1 1 e. NN |
| 267 | 266 | nnrei | |- ; 1 1 e. RR |
| 268 | 267 102 | pm3.2i | |- ( ; 1 1 e. RR /\ 5 e. NN0 ) |
| 269 | reexpcl | |- ( ( ; 1 1 e. RR /\ 5 e. NN0 ) -> ( ; 1 1 ^ 5 ) e. RR ) |
|
| 270 | 268 269 | ax-mp | |- ( ; 1 1 ^ 5 ) e. RR |
| 271 | 257 102 | pm3.2i | |- ( 7 e. RR /\ 5 e. NN0 ) |
| 272 | reexpcl | |- ( ( 7 e. RR /\ 5 e. NN0 ) -> ( 7 ^ 5 ) e. RR ) |
|
| 273 | 271 272 | ax-mp | |- ( 7 ^ 5 ) e. RR |
| 274 | 264 270 273 | ltmuldivi | |- ( 0 < ( 7 ^ 5 ) -> ( ( 9 x. ( 7 ^ 5 ) ) < ( ; 1 1 ^ 5 ) <-> 9 < ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) ) ) |
| 275 | 263 274 | ax-mp | |- ( ( 9 x. ( 7 ^ 5 ) ) < ( ; 1 1 ^ 5 ) <-> 9 < ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) ) |
| 276 | 256 275 | mpbi | |- 9 < ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) |
| 277 | 153 | a1i | |- ( T. -> ; 1 1 e. CC ) |
| 278 | 8 | a1i | |- ( T. -> 7 e. CC ) |
| 279 | 0red | |- ( T. -> 0 e. RR ) |
|
| 280 | 260 | a1i | |- ( T. -> 0 < 7 ) |
| 281 | 279 280 | ltned | |- ( T. -> 0 =/= 7 ) |
| 282 | 281 | necomd | |- ( T. -> 7 =/= 0 ) |
| 283 | 102 | a1i | |- ( T. -> 5 e. NN0 ) |
| 284 | 277 278 282 283 | expdivd | |- ( T. -> ( ( ; 1 1 / 7 ) ^ 5 ) = ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) ) |
| 285 | 284 | eqcomd | |- ( T. -> ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) = ( ( ; 1 1 / 7 ) ^ 5 ) ) |
| 286 | 285 | mptru | |- ( ( ; 1 1 ^ 5 ) / ( 7 ^ 5 ) ) = ( ( ; 1 1 / 7 ) ^ 5 ) |
| 287 | 276 286 | breqtri | |- 9 < ( ( ; 1 1 / 7 ) ^ 5 ) |