| 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 | 1 | pntrval |  | 
						
							| 13 | 11 12 | syl |  | 
						
							| 14 | 13 | oveq1d |  | 
						
							| 15 |  | chpcl |  | 
						
							| 16 | 3 15 | syl |  | 
						
							| 17 | 16 | recnd |  | 
						
							| 18 | 3 | recnd |  | 
						
							| 19 | 11 | relogcld |  | 
						
							| 20 | 19 | recnd |  | 
						
							| 21 | 17 18 20 | subdird |  | 
						
							| 22 | 14 21 | eqtrd |  | 
						
							| 23 | 11 | ad2antrr |  | 
						
							| 24 |  | elfznn |  | 
						
							| 25 | 24 | adantl |  | 
						
							| 26 | 25 | nnrpd |  | 
						
							| 27 | 26 | adantr |  | 
						
							| 28 | 23 27 | rpdivcld |  | 
						
							| 29 |  | elfznn |  | 
						
							| 30 | 29 | adantl |  | 
						
							| 31 | 30 | nnrpd |  | 
						
							| 32 | 28 31 | rpdivcld |  | 
						
							| 33 | 1 | pntrval |  | 
						
							| 34 | 32 33 | syl |  | 
						
							| 35 | 34 | oveq2d |  | 
						
							| 36 |  | vmacl |  | 
						
							| 37 | 30 36 | syl |  | 
						
							| 38 | 37 | recnd |  | 
						
							| 39 | 3 | adantr |  | 
						
							| 40 | 39 25 | nndivred |  | 
						
							| 41 | 40 | adantr |  | 
						
							| 42 | 41 30 | nndivred |  | 
						
							| 43 |  | chpcl |  | 
						
							| 44 | 42 43 | syl |  | 
						
							| 45 | 44 | recnd |  | 
						
							| 46 | 42 | recnd |  | 
						
							| 47 | 38 45 46 | subdid |  | 
						
							| 48 | 35 47 | eqtrd |  | 
						
							| 49 | 48 | sumeq2dv |  | 
						
							| 50 |  | fzfid |  | 
						
							| 51 | 37 44 | remulcld |  | 
						
							| 52 | 51 | recnd |  | 
						
							| 53 | 38 46 | mulcld |  | 
						
							| 54 | 50 52 53 | fsumsub |  | 
						
							| 55 | 49 54 | eqtrd |  | 
						
							| 56 | 55 | oveq2d |  | 
						
							| 57 |  | vmacl |  | 
						
							| 58 | 25 57 | syl |  | 
						
							| 59 | 58 | recnd |  | 
						
							| 60 | 50 51 | fsumrecl |  | 
						
							| 61 | 60 | recnd |  | 
						
							| 62 | 50 53 | fsumcl |  | 
						
							| 63 | 59 61 62 | subdid |  | 
						
							| 64 | 56 63 | eqtrd |  | 
						
							| 65 | 64 | sumeq2dv |  | 
						
							| 66 |  | fzfid |  | 
						
							| 67 | 58 60 | remulcld |  | 
						
							| 68 | 67 | recnd |  | 
						
							| 69 | 59 62 | mulcld |  | 
						
							| 70 | 66 68 69 | fsumsub |  | 
						
							| 71 | 65 70 | eqtrd |  | 
						
							| 72 | 71 | oveq2d |  | 
						
							| 73 |  | 2re |  | 
						
							| 74 | 73 | a1i |  | 
						
							| 75 | 3 9 | rplogcld |  | 
						
							| 76 | 74 75 | rerpdivcld |  | 
						
							| 77 | 76 | recnd |  | 
						
							| 78 | 66 67 | fsumrecl |  | 
						
							| 79 | 78 | recnd |  | 
						
							| 80 | 66 69 | fsumcl |  | 
						
							| 81 | 77 79 80 | subdid |  | 
						
							| 82 | 72 81 | eqtrd |  | 
						
							| 83 | 22 82 | oveq12d |  | 
						
							| 84 | 16 19 | remulcld |  | 
						
							| 85 | 84 | recnd |  | 
						
							| 86 | 18 20 | mulcld |  | 
						
							| 87 | 76 78 | remulcld |  | 
						
							| 88 | 87 | recnd |  | 
						
							| 89 | 77 80 | mulcld |  | 
						
							| 90 | 85 86 88 89 | sub4d |  | 
						
							| 91 | 83 90 | eqtrd |  | 
						
							| 92 | 91 | oveq1d |  | 
						
							| 93 | 84 87 | resubcld |  | 
						
							| 94 | 93 | recnd |  | 
						
							| 95 | 3 19 | remulcld |  | 
						
							| 96 | 37 42 | remulcld |  | 
						
							| 97 | 50 96 | fsumrecl |  | 
						
							| 98 | 58 97 | remulcld |  | 
						
							| 99 | 66 98 | fsumrecl |  | 
						
							| 100 | 76 99 | remulcld |  | 
						
							| 101 | 95 100 | resubcld |  | 
						
							| 102 | 101 | recnd |  | 
						
							| 103 | 11 | rpne0d |  | 
						
							| 104 | 94 102 18 103 | divsubdird |  | 
						
							| 105 | 95 | recnd |  | 
						
							| 106 | 99 | recnd |  | 
						
							| 107 | 77 106 | mulcld |  | 
						
							| 108 | 105 107 18 103 | divsubdird |  | 
						
							| 109 | 20 18 103 | divcan3d |  | 
						
							| 110 | 77 106 18 103 | divassd |  | 
						
							| 111 | 98 | recnd |  | 
						
							| 112 | 66 18 111 103 | fsumdivc |  | 
						
							| 113 | 41 | recnd |  | 
						
							| 114 | 30 | nncnd |  | 
						
							| 115 | 30 | nnne0d |  | 
						
							| 116 | 113 38 114 115 | div12d |  | 
						
							| 117 | 18 | adantr |  | 
						
							| 118 | 117 | adantr |  | 
						
							| 119 | 25 | nncnd |  | 
						
							| 120 | 119 | adantr |  | 
						
							| 121 | 37 30 | nndivred |  | 
						
							| 122 | 121 | recnd |  | 
						
							| 123 | 25 | nnne0d |  | 
						
							| 124 | 123 | adantr |  | 
						
							| 125 | 118 120 122 124 | div32d |  | 
						
							| 126 | 116 125 | eqtr3d |  | 
						
							| 127 | 126 | oveq1d |  | 
						
							| 128 | 25 | adantr |  | 
						
							| 129 | 121 128 | nndivred |  | 
						
							| 130 | 129 | recnd |  | 
						
							| 131 | 103 | adantr |  | 
						
							| 132 | 131 | adantr |  | 
						
							| 133 | 130 118 132 | divcan3d |  | 
						
							| 134 | 127 133 | eqtrd |  | 
						
							| 135 | 134 | sumeq2dv |  | 
						
							| 136 | 96 | recnd |  | 
						
							| 137 | 50 117 136 131 | fsumdivc |  | 
						
							| 138 | 50 119 122 123 | fsumdivc |  | 
						
							| 139 | 135 137 138 | 3eqtr4d |  | 
						
							| 140 | 139 | oveq2d |  | 
						
							| 141 | 97 | recnd |  | 
						
							| 142 | 59 141 117 131 | divassd |  | 
						
							| 143 | 50 121 | fsumrecl |  | 
						
							| 144 | 143 | recnd |  | 
						
							| 145 | 59 119 144 123 | div32d |  | 
						
							| 146 | 140 142 145 | 3eqtr4d |  | 
						
							| 147 | 146 | sumeq2dv |  | 
						
							| 148 | 112 147 | eqtrd |  | 
						
							| 149 | 148 | oveq2d |  | 
						
							| 150 | 110 149 | eqtrd |  | 
						
							| 151 | 109 150 | oveq12d |  | 
						
							| 152 | 108 151 | eqtrd |  | 
						
							| 153 | 152 | oveq2d |  | 
						
							| 154 | 94 18 103 | divcld |  | 
						
							| 155 | 58 25 | nndivred |  | 
						
							| 156 | 155 143 | remulcld |  | 
						
							| 157 | 66 156 | fsumrecl |  | 
						
							| 158 | 76 157 | remulcld |  | 
						
							| 159 | 158 | recnd |  | 
						
							| 160 | 154 20 159 | subsub2d |  | 
						
							| 161 | 153 160 | eqtrd |  | 
						
							| 162 | 104 161 | eqtrd |  | 
						
							| 163 | 92 162 | eqtrd |  | 
						
							| 164 | 163 | mpteq2dva |  | 
						
							| 165 | 93 11 | rerpdivcld |  | 
						
							| 166 | 158 19 | resubcld |  | 
						
							| 167 |  | selberg4 |  | 
						
							| 168 | 167 | a1i |  | 
						
							| 169 |  | 2cnd |  | 
						
							| 170 | 157 75 | rerpdivcld |  | 
						
							| 171 | 170 | recnd |  | 
						
							| 172 | 19 | rehalfcld |  | 
						
							| 173 | 172 | recnd |  | 
						
							| 174 | 169 171 173 | subdid |  | 
						
							| 175 | 157 | recnd |  | 
						
							| 176 | 75 | rpne0d |  | 
						
							| 177 | 169 20 175 176 | div32d |  | 
						
							| 178 | 177 | eqcomd |  | 
						
							| 179 |  | 2ne0 |  | 
						
							| 180 | 179 | a1i |  | 
						
							| 181 | 20 169 180 | divcan2d |  | 
						
							| 182 | 178 181 | oveq12d |  | 
						
							| 183 | 174 182 | eqtrd |  | 
						
							| 184 | 183 | mpteq2dva |  | 
						
							| 185 | 170 172 | resubcld |  | 
						
							| 186 |  | ioossre |  | 
						
							| 187 |  | 2cnd |  | 
						
							| 188 |  | o1const |  | 
						
							| 189 | 186 187 188 | sylancr |  | 
						
							| 190 |  | 2vmadivsum |  | 
						
							| 191 | 190 | a1i |  | 
						
							| 192 | 74 185 189 191 | o1mul2 |  | 
						
							| 193 | 184 192 | eqeltrrd |  | 
						
							| 194 | 165 166 168 193 | o1add2 |  | 
						
							| 195 | 164 194 | eqeltrd |  | 
						
							| 196 | 195 | mptru |  |