| Step | Hyp | Ref | Expression | 
						
							| 1 |  | aks4d1p8.1 |  | 
						
							| 2 |  | aks4d1p8.2 |  | 
						
							| 3 |  | aks4d1p8.3 |  | 
						
							| 4 |  | aks4d1p8.4 |  | 
						
							| 5 | 4 | a1i |  | 
						
							| 6 |  | ssrab2 |  | 
						
							| 7 | 6 | a1i |  | 
						
							| 8 |  | elfznn |  | 
						
							| 9 | 8 | adantl |  | 
						
							| 10 | 9 | nnred |  | 
						
							| 11 | 10 | ex |  | 
						
							| 12 | 11 | ssrdv |  | 
						
							| 13 | 7 12 | sstrd |  | 
						
							| 14 | 13 | adantr |  | 
						
							| 15 | 14 | adantr |  | 
						
							| 16 | 15 | adantr |  | 
						
							| 17 | 16 | adantr |  | 
						
							| 18 |  | fzfid |  | 
						
							| 19 | 18 7 | ssfid |  | 
						
							| 20 | 1 2 3 | aks4d1p3 |  | 
						
							| 21 |  | rabn0 |  | 
						
							| 22 | 20 21 | sylibr |  | 
						
							| 23 |  | fiminre |  | 
						
							| 24 | 13 19 22 23 | syl3anc |  | 
						
							| 25 | 24 | adantr |  | 
						
							| 26 | 25 | adantr |  | 
						
							| 27 | 26 | adantr |  | 
						
							| 28 | 27 | adantr |  | 
						
							| 29 |  | breq1 |  | 
						
							| 30 | 29 | notbid |  | 
						
							| 31 |  | 1zzd |  | 
						
							| 32 | 3 | a1i |  | 
						
							| 33 |  | 2re |  | 
						
							| 34 | 33 | a1i |  | 
						
							| 35 |  | 2pos |  | 
						
							| 36 | 35 | a1i |  | 
						
							| 37 |  | eluzelz |  | 
						
							| 38 | 1 37 | syl |  | 
						
							| 39 | 38 | zred |  | 
						
							| 40 |  | 0red |  | 
						
							| 41 |  | 3re |  | 
						
							| 42 | 41 | a1i |  | 
						
							| 43 |  | 3pos |  | 
						
							| 44 | 43 | a1i |  | 
						
							| 45 |  | eluzle |  | 
						
							| 46 | 1 45 | syl |  | 
						
							| 47 | 40 42 39 44 46 | ltletrd |  | 
						
							| 48 |  | 1red |  | 
						
							| 49 |  | 1lt2 |  | 
						
							| 50 | 49 | a1i |  | 
						
							| 51 | 48 50 | ltned |  | 
						
							| 52 | 51 | necomd |  | 
						
							| 53 | 34 36 39 47 52 | relogbcld |  | 
						
							| 54 |  | 5nn0 |  | 
						
							| 55 | 54 | a1i |  | 
						
							| 56 | 53 55 | reexpcld |  | 
						
							| 57 | 56 | ceilcld |  | 
						
							| 58 | 32 57 | eqeltrd |  | 
						
							| 59 | 58 | ad4antr |  | 
						
							| 60 |  | simplrl |  | 
						
							| 61 |  | prmnn |  | 
						
							| 62 | 61 | adantl |  | 
						
							| 63 | 62 | ad2antrr |  | 
						
							| 64 | 63 | nnzd |  | 
						
							| 65 | 62 | nnne0d |  | 
						
							| 66 | 65 | ad2antrr |  | 
						
							| 67 | 1 2 3 4 | aks4d1p4 |  | 
						
							| 68 | 67 | simpld |  | 
						
							| 69 |  | elfznn |  | 
						
							| 70 | 68 69 | syl |  | 
						
							| 71 | 70 | ad4antr |  | 
						
							| 72 | 71 | adantr |  | 
						
							| 73 | 72 | nnzd |  | 
						
							| 74 |  | anass |  | 
						
							| 75 | 74 | anbi1i |  | 
						
							| 76 | 75 | imbi1i |  | 
						
							| 77 | 73 76 | mpbi |  | 
						
							| 78 |  | dvdsval2 |  | 
						
							| 79 | 64 66 77 78 | syl3anc |  | 
						
							| 80 | 60 79 | mpbid |  | 
						
							| 81 | 63 | nncnd |  | 
						
							| 82 | 81 | mullidd |  | 
						
							| 83 | 75 72 | sylbir |  | 
						
							| 84 | 64 83 | jca |  | 
						
							| 85 |  | dvdsle |  | 
						
							| 86 | 85 | imp |  | 
						
							| 87 | 84 60 86 | syl2anc |  | 
						
							| 88 | 82 87 | eqbrtrd |  | 
						
							| 89 |  | 1red |  | 
						
							| 90 | 70 | nnred |  | 
						
							| 91 | 90 | adantr |  | 
						
							| 92 | 91 | adantr |  | 
						
							| 93 | 92 | adantr |  | 
						
							| 94 | 93 | adantr |  | 
						
							| 95 | 63 | nnrpd |  | 
						
							| 96 | 89 94 95 | lemuldivd |  | 
						
							| 97 | 88 96 | mpbid |  | 
						
							| 98 | 90 | ad2antrr |  | 
						
							| 99 | 58 | ad2antrr |  | 
						
							| 100 | 99 | zred |  | 
						
							| 101 | 62 | nnred |  | 
						
							| 102 | 100 101 | remulcld |  | 
						
							| 103 |  | elfzle2 |  | 
						
							| 104 | 68 103 | syl |  | 
						
							| 105 | 104 | adantr |  | 
						
							| 106 | 105 | adantr |  | 
						
							| 107 | 58 | zred |  | 
						
							| 108 |  | 9re |  | 
						
							| 109 | 108 | a1i |  | 
						
							| 110 |  | 9pos |  | 
						
							| 111 | 110 | a1i |  | 
						
							| 112 | 32 107 | eqeltrrd |  | 
						
							| 113 | 39 46 | 3lexlogpow5ineq4 |  | 
						
							| 114 | 56 | ceilged |  | 
						
							| 115 | 109 56 112 113 114 | ltletrd |  | 
						
							| 116 | 115 32 | breqtrrd |  | 
						
							| 117 | 40 109 107 111 116 | lttrd |  | 
						
							| 118 | 40 107 117 | ltled |  | 
						
							| 119 | 118 | adantr |  | 
						
							| 120 | 119 | adantr |  | 
						
							| 121 | 62 | nnge1d |  | 
						
							| 122 | 100 101 120 121 | lemulge11d |  | 
						
							| 123 | 98 100 102 106 122 | letrd |  | 
						
							| 124 | 62 | nnrpd |  | 
						
							| 125 | 98 100 124 | ledivmul2d |  | 
						
							| 126 | 123 125 | mpbird |  | 
						
							| 127 | 126 | adantr |  | 
						
							| 128 | 127 | adantr |  | 
						
							| 129 | 31 59 80 97 128 | elfzd |  | 
						
							| 130 | 93 | recnd |  | 
						
							| 131 | 62 | adantr |  | 
						
							| 132 | 131 | nnzd |  | 
						
							| 133 |  | simplr |  | 
						
							| 134 | 71 | anasss |  | 
						
							| 135 | 133 134 | pccld |  | 
						
							| 136 | 132 135 | zexpcld |  | 
						
							| 137 | 136 | zcnd |  | 
						
							| 138 | 131 | nncnd |  | 
						
							| 139 | 65 | adantr |  | 
						
							| 140 | 135 | nn0zd |  | 
						
							| 141 | 138 139 140 | expne0d |  | 
						
							| 142 | 130 137 141 | divcan1d |  | 
						
							| 143 | 142 | eqcomd |  | 
						
							| 144 |  | pcdvds |  | 
						
							| 145 | 133 134 144 | syl2anc |  | 
						
							| 146 | 134 | nnzd |  | 
						
							| 147 |  | dvdsval2 |  | 
						
							| 148 | 136 141 146 147 | syl3anc |  | 
						
							| 149 | 145 148 | mpbid |  | 
						
							| 150 | 38 47 | jca |  | 
						
							| 151 |  | elnnz |  | 
						
							| 152 | 151 | a1i |  | 
						
							| 153 | 150 152 | mpbird |  | 
						
							| 154 | 153 | nnzd |  | 
						
							| 155 | 34 36 107 117 52 | relogbcld |  | 
						
							| 156 | 155 | flcld |  | 
						
							| 157 | 34 | recnd |  | 
						
							| 158 | 40 36 | gtned |  | 
						
							| 159 |  | logb1 |  | 
						
							| 160 | 157 158 52 159 | syl3anc |  | 
						
							| 161 | 160 | eqcomd |  | 
						
							| 162 |  | 2z |  | 
						
							| 163 | 162 | a1i |  | 
						
							| 164 | 34 | leidd |  | 
						
							| 165 |  | 0lt1 |  | 
						
							| 166 | 165 | a1i |  | 
						
							| 167 |  | 1lt9 |  | 
						
							| 168 | 167 | a1i |  | 
						
							| 169 | 48 109 107 168 116 | lttrd |  | 
						
							| 170 | 48 107 169 | ltled |  | 
						
							| 171 | 163 164 48 166 107 117 170 | logblebd |  | 
						
							| 172 | 161 171 | eqbrtrd |  | 
						
							| 173 |  | 0zd |  | 
						
							| 174 |  | flge |  | 
						
							| 175 | 155 173 174 | syl2anc |  | 
						
							| 176 | 172 175 | mpbid |  | 
						
							| 177 | 156 176 | jca |  | 
						
							| 178 |  | elnn0z |  | 
						
							| 179 | 178 | a1i |  | 
						
							| 180 | 177 179 | mpbird |  | 
						
							| 181 | 154 180 | zexpcld |  | 
						
							| 182 |  | fzfid |  | 
						
							| 183 | 154 | adantr |  | 
						
							| 184 |  | elfznn |  | 
						
							| 185 | 184 | adantl |  | 
						
							| 186 | 185 | nnnn0d |  | 
						
							| 187 | 183 186 | zexpcld |  | 
						
							| 188 |  | 1zzd |  | 
						
							| 189 | 187 188 | zsubcld |  | 
						
							| 190 | 182 189 | fprodzcl |  | 
						
							| 191 | 181 190 | zmulcld |  | 
						
							| 192 | 2 | a1i |  | 
						
							| 193 | 192 | eleq1d |  | 
						
							| 194 | 191 193 | mpbird |  | 
						
							| 195 | 194 | ad3antrrr |  | 
						
							| 196 |  | simprl |  | 
						
							| 197 | 134 133 196 | aks4d1p8d3 |  | 
						
							| 198 | 138 | exp0d |  | 
						
							| 199 |  | pcelnn |  | 
						
							| 200 | 133 134 199 | syl2anc |  | 
						
							| 201 | 196 200 | mpbird |  | 
						
							| 202 | 201 | nngt0d |  | 
						
							| 203 | 101 | adantr |  | 
						
							| 204 | 173 | ad3antrrr |  | 
						
							| 205 |  | prmgt1 |  | 
						
							| 206 | 205 | adantl |  | 
						
							| 207 | 206 | adantr |  | 
						
							| 208 | 203 204 140 207 | ltexp2d |  | 
						
							| 209 | 202 208 | mpbid |  | 
						
							| 210 | 198 209 | eqbrtrrd |  | 
						
							| 211 | 136 | zred |  | 
						
							| 212 | 70 | nnrpd |  | 
						
							| 213 | 212 | adantr |  | 
						
							| 214 | 213 | adantr |  | 
						
							| 215 | 214 | adantr |  | 
						
							| 216 | 211 215 | ltmulgt11d |  | 
						
							| 217 | 210 216 | mpbid |  | 
						
							| 218 | 124 | adantr |  | 
						
							| 219 | 218 140 | rpexpcld |  | 
						
							| 220 | 93 93 219 | ltdivmul2d |  | 
						
							| 221 | 217 220 | mpbird |  | 
						
							| 222 | 93 211 141 | redivcld |  | 
						
							| 223 | 222 93 | ltnled |  | 
						
							| 224 | 221 223 | mpbid |  | 
						
							| 225 | 4 | a1i |  | 
						
							| 226 | 225 | breq1d |  | 
						
							| 227 | 226 | notbid |  | 
						
							| 228 | 224 227 | mpbid |  | 
						
							| 229 |  | elfznn |  | 
						
							| 230 | 229 | adantl |  | 
						
							| 231 | 230 | nnred |  | 
						
							| 232 | 231 | ex |  | 
						
							| 233 | 232 | ssrdv |  | 
						
							| 234 | 7 233 | sstrd |  | 
						
							| 235 | 234 | adantr |  | 
						
							| 236 | 235 | adantr |  | 
						
							| 237 | 236 | adantr |  | 
						
							| 238 | 19 | adantr |  | 
						
							| 239 | 238 | adantr |  | 
						
							| 240 | 239 | adantr |  | 
						
							| 241 |  | infrefilb |  | 
						
							| 242 | 241 | 3expa |  | 
						
							| 243 | 242 | ex |  | 
						
							| 244 | 243 | con3d |  | 
						
							| 245 | 237 240 244 | syl2anc |  | 
						
							| 246 | 228 245 | mpd |  | 
						
							| 247 |  | 1zzd |  | 
						
							| 248 | 99 | adantr |  | 
						
							| 249 | 137 | mullidd |  | 
						
							| 250 |  | dvdsle |  | 
						
							| 251 | 136 134 250 | syl2anc |  | 
						
							| 252 | 145 251 | mpd |  | 
						
							| 253 | 249 252 | eqbrtrd |  | 
						
							| 254 | 48 | adantr |  | 
						
							| 255 | 254 | ad2antrr |  | 
						
							| 256 | 255 93 219 | lemuldivd |  | 
						
							| 257 | 253 256 | mpbid |  | 
						
							| 258 | 100 | adantr |  | 
						
							| 259 | 121 | adantr |  | 
						
							| 260 | 203 135 259 | expge1d |  | 
						
							| 261 |  | nnledivrp |  | 
						
							| 262 | 134 219 261 | syl2anc |  | 
						
							| 263 | 260 262 | mpbid |  | 
						
							| 264 | 106 | adantr |  | 
						
							| 265 | 222 93 258 263 264 | letrd |  | 
						
							| 266 | 247 248 149 257 265 | elfzd |  | 
						
							| 267 |  | breq1 |  | 
						
							| 268 | 267 | notbid |  | 
						
							| 269 | 268 | elrab3 |  | 
						
							| 270 | 269 | con2bid |  | 
						
							| 271 | 266 270 | syl |  | 
						
							| 272 | 246 271 | mpbird |  | 
						
							| 273 | 134 | ad2antrr |  | 
						
							| 274 | 153 | adantr |  | 
						
							| 275 | 274 | adantr |  | 
						
							| 276 | 275 | adantr |  | 
						
							| 277 | 276 | adantr |  | 
						
							| 278 | 74 277 | sylbir |  | 
						
							| 279 | 278 | ad2antrr |  | 
						
							| 280 | 133 | ad2antrr |  | 
						
							| 281 |  | simplr |  | 
						
							| 282 | 196 | ad2antrr |  | 
						
							| 283 |  | simprr |  | 
						
							| 284 |  | simplrr |  | 
						
							| 285 | 284 | adantr |  | 
						
							| 286 |  | simprl |  | 
						
							| 287 | 273 279 280 281 282 283 285 286 | aks4d1p8d2 |  | 
						
							| 288 |  | simpr |  | 
						
							| 289 | 288 | ad2antrr |  | 
						
							| 290 | 255 289 | ltned |  | 
						
							| 291 | 290 | necomd |  | 
						
							| 292 | 278 134 | prmdvdsncoprmbd |  | 
						
							| 293 | 292 | bicomd |  | 
						
							| 294 | 293 | biimpd |  | 
						
							| 295 | 291 294 | mpd |  | 
						
							| 296 | 287 295 | r19.29a |  | 
						
							| 297 | 211 93 | ltnled |  | 
						
							| 298 | 296 297 | mpbid |  | 
						
							| 299 | 225 | breq1d |  | 
						
							| 300 | 299 | notbid |  | 
						
							| 301 | 298 300 | mpbid |  | 
						
							| 302 |  | infrefilb |  | 
						
							| 303 | 302 | 3expa |  | 
						
							| 304 | 303 | ex |  | 
						
							| 305 | 304 | con3d |  | 
						
							| 306 | 237 240 305 | syl2anc |  | 
						
							| 307 | 301 306 | mpd |  | 
						
							| 308 | 211 93 258 252 264 | letrd |  | 
						
							| 309 | 247 248 136 260 308 | elfzd |  | 
						
							| 310 |  | breq1 |  | 
						
							| 311 | 310 | notbid |  | 
						
							| 312 | 311 | elrab3 |  | 
						
							| 313 | 309 312 | syl |  | 
						
							| 314 | 313 | con2bid |  | 
						
							| 315 | 307 314 | mpbird |  | 
						
							| 316 | 149 136 195 197 272 315 | coprmdvds2d |  | 
						
							| 317 | 143 316 | eqbrtrd |  | 
						
							| 318 | 317 | adantr |  | 
						
							| 319 | 67 | simprd |  | 
						
							| 320 | 319 | ad5antr |  | 
						
							| 321 | 75 320 | sylbir |  | 
						
							| 322 | 318 321 | pm2.21dd |  | 
						
							| 323 | 30 129 322 | elrabd |  | 
						
							| 324 |  | lbinfle |  | 
						
							| 325 | 17 28 323 324 | syl3anc |  | 
						
							| 326 | 5 325 | eqbrtrd |  | 
						
							| 327 | 207 | adantr |  | 
						
							| 328 |  | 1rp |  | 
						
							| 329 | 328 | a1i |  | 
						
							| 330 | 215 | adantr |  | 
						
							| 331 | 329 95 330 | ltdiv2d |  | 
						
							| 332 | 327 331 | mpbid |  | 
						
							| 333 | 130 | adantr |  | 
						
							| 334 | 333 | div1d |  | 
						
							| 335 | 332 334 | breqtrd |  | 
						
							| 336 | 98 101 65 | redivcld |  | 
						
							| 337 | 336 | adantr |  | 
						
							| 338 | 337 | adantr |  | 
						
							| 339 | 338 94 | ltnled |  | 
						
							| 340 | 335 339 | mpbid |  | 
						
							| 341 | 326 340 | pm2.65da |  | 
						
							| 342 | 1 2 3 4 | aks4d1p7 |  | 
						
							| 343 | 342 | adantr |  | 
						
							| 344 | 341 343 | r19.29a |  | 
						
							| 345 | 344 | adantr |  | 
						
							| 346 | 1 2 3 4 345 | aks4d1p5 |  |