| Step | Hyp | Ref | Expression | 
						
							| 1 |  | pntrval.r |  | 
						
							| 2 |  | elioore |  | 
						
							| 3 | 2 | adantl |  | 
						
							| 4 |  | 1rp |  | 
						
							| 5 | 4 | a1i |  | 
						
							| 6 |  | 1red |  | 
						
							| 7 |  | eliooord |  | 
						
							| 8 | 7 | adantl |  | 
						
							| 9 | 8 | simpld |  | 
						
							| 10 | 6 3 9 | ltled |  | 
						
							| 11 | 3 5 10 | rpgecld |  | 
						
							| 12 | 11 | relogcld |  | 
						
							| 13 | 12 | recnd |  | 
						
							| 14 | 13 | 2timesd |  | 
						
							| 15 | 14 | oveq2d |  | 
						
							| 16 |  | chpcl |  | 
						
							| 17 | 3 16 | syl |  | 
						
							| 18 | 17 12 | remulcld |  | 
						
							| 19 |  | 2re |  | 
						
							| 20 | 19 | a1i |  | 
						
							| 21 | 3 9 | rplogcld |  | 
						
							| 22 | 20 21 | rerpdivcld |  | 
						
							| 23 |  | fzfid |  | 
						
							| 24 |  | elfznn |  | 
						
							| 25 | 24 | adantl |  | 
						
							| 26 |  | vmacl |  | 
						
							| 27 | 25 26 | syl |  | 
						
							| 28 | 3 | adantr |  | 
						
							| 29 | 28 25 | nndivred |  | 
						
							| 30 |  | chpcl |  | 
						
							| 31 | 29 30 | syl |  | 
						
							| 32 | 27 31 | remulcld |  | 
						
							| 33 | 25 | nnrpd |  | 
						
							| 34 | 33 | relogcld |  | 
						
							| 35 | 32 34 | remulcld |  | 
						
							| 36 | 23 35 | fsumrecl |  | 
						
							| 37 | 22 36 | remulcld |  | 
						
							| 38 | 18 37 | readdcld |  | 
						
							| 39 | 38 11 | rerpdivcld |  | 
						
							| 40 | 39 | recnd |  | 
						
							| 41 | 40 13 13 | subsub4d |  | 
						
							| 42 | 15 41 | eqtr4d |  | 
						
							| 43 | 42 | oveq1d |  | 
						
							| 44 | 40 13 | subcld |  | 
						
							| 45 |  | 2cn |  | 
						
							| 46 | 45 | a1i |  | 
						
							| 47 | 21 | rpne0d |  | 
						
							| 48 | 46 13 47 | divcld |  | 
						
							| 49 | 27 25 | nndivred |  | 
						
							| 50 | 49 34 | remulcld |  | 
						
							| 51 | 23 50 | fsumrecl |  | 
						
							| 52 | 51 | recnd |  | 
						
							| 53 | 48 52 | mulcld |  | 
						
							| 54 | 44 53 13 | nnncan2d |  | 
						
							| 55 | 1 | pntrf |  | 
						
							| 56 | 55 | ffvelcdmi |  | 
						
							| 57 | 11 56 | syl |  | 
						
							| 58 | 57 | recnd |  | 
						
							| 59 | 58 13 | mulcld |  | 
						
							| 60 | 37 | recnd |  | 
						
							| 61 | 59 60 | addcld |  | 
						
							| 62 | 3 | recnd |  | 
						
							| 63 | 62 53 | mulcld |  | 
						
							| 64 | 11 | rpne0d |  | 
						
							| 65 | 61 63 62 64 | divsubdird |  | 
						
							| 66 | 59 60 63 | addsubassd |  | 
						
							| 67 | 36 | recnd |  | 
						
							| 68 | 62 52 | mulcld |  | 
						
							| 69 | 48 67 68 | subdid |  | 
						
							| 70 | 50 | recnd |  | 
						
							| 71 | 23 62 70 | fsummulc2 |  | 
						
							| 72 | 71 | oveq2d |  | 
						
							| 73 | 35 | recnd |  | 
						
							| 74 | 62 | adantr |  | 
						
							| 75 | 74 70 | mulcld |  | 
						
							| 76 | 23 73 75 | fsumsub |  | 
						
							| 77 | 72 76 | eqtr4d |  | 
						
							| 78 | 27 | recnd |  | 
						
							| 79 | 31 | recnd |  | 
						
							| 80 | 34 | recnd |  | 
						
							| 81 | 78 79 80 | mul32d |  | 
						
							| 82 | 25 | nncnd |  | 
						
							| 83 | 25 | nnne0d |  | 
						
							| 84 | 78 80 82 83 | div23d |  | 
						
							| 85 | 84 | oveq2d |  | 
						
							| 86 | 78 80 | mulcld |  | 
						
							| 87 | 74 86 82 83 | div12d |  | 
						
							| 88 | 85 87 | eqtr3d |  | 
						
							| 89 | 81 88 | oveq12d |  | 
						
							| 90 | 11 | adantr |  | 
						
							| 91 | 90 33 | rpdivcld |  | 
						
							| 92 | 1 | pntrval |  | 
						
							| 93 | 91 92 | syl |  | 
						
							| 94 | 93 | oveq2d |  | 
						
							| 95 | 29 | recnd |  | 
						
							| 96 | 86 79 95 | subdid |  | 
						
							| 97 | 94 96 | eqtrd |  | 
						
							| 98 | 89 97 | eqtr4d |  | 
						
							| 99 | 55 | ffvelcdmi |  | 
						
							| 100 | 91 99 | syl |  | 
						
							| 101 | 100 | recnd |  | 
						
							| 102 | 78 101 80 | mul32d |  | 
						
							| 103 | 98 102 | eqtr4d |  | 
						
							| 104 | 103 | sumeq2dv |  | 
						
							| 105 | 77 104 | eqtrd |  | 
						
							| 106 | 105 | oveq2d |  | 
						
							| 107 | 48 62 52 | mul12d |  | 
						
							| 108 | 107 | oveq2d |  | 
						
							| 109 | 69 106 108 | 3eqtr3rd |  | 
						
							| 110 | 109 | oveq2d |  | 
						
							| 111 | 66 110 | eqtrd |  | 
						
							| 112 | 111 | oveq1d |  | 
						
							| 113 | 1 | pntrval |  | 
						
							| 114 | 11 113 | syl |  | 
						
							| 115 | 114 | oveq1d |  | 
						
							| 116 | 17 | recnd |  | 
						
							| 117 | 116 62 13 | subdird |  | 
						
							| 118 | 115 117 | eqtrd |  | 
						
							| 119 | 118 | oveq1d |  | 
						
							| 120 | 18 | recnd |  | 
						
							| 121 | 62 13 | mulcld |  | 
						
							| 122 | 120 60 121 | addsubd |  | 
						
							| 123 | 119 122 | eqtr4d |  | 
						
							| 124 | 123 | oveq1d |  | 
						
							| 125 | 38 | recnd |  | 
						
							| 126 | 125 121 62 64 | divsubdird |  | 
						
							| 127 | 13 62 64 | divcan3d |  | 
						
							| 128 | 127 | oveq2d |  | 
						
							| 129 | 126 128 | eqtrd |  | 
						
							| 130 | 124 129 | eqtrd |  | 
						
							| 131 | 53 62 64 | divcan3d |  | 
						
							| 132 | 130 131 | oveq12d |  | 
						
							| 133 | 65 112 132 | 3eqtr3rd |  | 
						
							| 134 | 43 54 133 | 3eqtrrd |  | 
						
							| 135 | 134 | mpteq2dva |  | 
						
							| 136 | 20 12 | remulcld |  | 
						
							| 137 | 39 136 | resubcld |  | 
						
							| 138 | 22 51 | remulcld |  | 
						
							| 139 | 138 12 | resubcld |  | 
						
							| 140 |  | selberg3 |  | 
						
							| 141 | 140 | a1i |  | 
						
							| 142 | 20 | recnd |  | 
						
							| 143 | 51 21 | rerpdivcld |  | 
						
							| 144 | 143 | recnd |  | 
						
							| 145 | 12 | rehalfcld |  | 
						
							| 146 | 145 | recnd |  | 
						
							| 147 | 142 144 146 | subdid |  | 
						
							| 148 | 142 13 52 47 | div32d |  | 
						
							| 149 | 148 | eqcomd |  | 
						
							| 150 |  | 2ne0 |  | 
						
							| 151 | 150 | a1i |  | 
						
							| 152 | 13 142 151 | divcan2d |  | 
						
							| 153 | 149 152 | oveq12d |  | 
						
							| 154 | 147 153 | eqtrd |  | 
						
							| 155 | 154 | mpteq2dva |  | 
						
							| 156 | 143 145 | resubcld |  | 
						
							| 157 |  | ioossre |  | 
						
							| 158 |  | o1const |  | 
						
							| 159 | 157 45 158 | mp2an |  | 
						
							| 160 | 159 | a1i |  | 
						
							| 161 |  | vmalogdivsum |  | 
						
							| 162 | 161 | a1i |  | 
						
							| 163 | 20 156 160 162 | o1mul2 |  | 
						
							| 164 | 155 163 | eqeltrrd |  | 
						
							| 165 | 137 139 141 164 | o1sub2 |  | 
						
							| 166 | 135 165 | eqeltrd |  | 
						
							| 167 | 166 | mptru |  |