| Step | Hyp | Ref | Expression | 
						
							| 1 |  | stoweidlem31.1 |  | 
						
							| 2 |  | stoweidlem31.2 |  | 
						
							| 3 |  | stoweidlem31.3 |  | 
						
							| 4 |  | stoweidlem31.4 |  | 
						
							| 5 |  | stoweidlem31.5 |  | 
						
							| 6 |  | stoweidlem31.6 |  | 
						
							| 7 |  | stoweidlem31.7 |  | 
						
							| 8 |  | stoweidlem31.8 |  | 
						
							| 9 |  | stoweidlem31.9 |  | 
						
							| 10 |  | stoweidlem31.10 |  | 
						
							| 11 |  | stoweidlem31.11 |  | 
						
							| 12 |  | stoweidlem31.12 |  | 
						
							| 13 |  | stoweidlem31.13 |  | 
						
							| 14 |  | stoweidlem31.14 |  | 
						
							| 15 |  | fnchoice |  | 
						
							| 16 | 14 15 | syl |  | 
						
							| 17 |  | vex |  | 
						
							| 18 | 12 7 | ssexd |  | 
						
							| 19 |  | mptexg |  | 
						
							| 20 | 18 19 | syl |  | 
						
							| 21 | 6 20 | eqeltrid |  | 
						
							| 22 |  | vex |  | 
						
							| 23 |  | coexg |  | 
						
							| 24 | 21 22 23 | sylancl |  | 
						
							| 25 |  | coexg |  | 
						
							| 26 | 17 24 25 | sylancr |  | 
						
							| 27 | 26 | adantr |  | 
						
							| 28 |  | simprl |  | 
						
							| 29 |  | nfcv |  | 
						
							| 30 |  | nfcv |  | 
						
							| 31 |  | nfrab1 |  | 
						
							| 32 | 30 31 | nfmpt |  | 
						
							| 33 | 6 32 | nfcxfr |  | 
						
							| 34 | 33 | nfrn |  | 
						
							| 35 | 29 34 | nffn |  | 
						
							| 36 |  | nfv |  | 
						
							| 37 | 34 36 | nfralw |  | 
						
							| 38 | 35 37 | nfan |  | 
						
							| 39 | 1 38 | nfan |  | 
						
							| 40 |  | fvelrnb |  | 
						
							| 41 | 28 40 | syl |  | 
						
							| 42 | 41 | biimpa |  | 
						
							| 43 |  | nfv |  | 
						
							| 44 |  | nfv |  | 
						
							| 45 |  | nfra1 |  | 
						
							| 46 | 44 45 | nfan |  | 
						
							| 47 | 43 46 | nfan |  | 
						
							| 48 |  | nfv |  | 
						
							| 49 | 47 48 | nfan |  | 
						
							| 50 |  | simp3 |  | 
						
							| 51 |  | simp1ll |  | 
						
							| 52 |  | simplrr |  | 
						
							| 53 | 52 | 3ad2ant1 |  | 
						
							| 54 |  | simp2 |  | 
						
							| 55 |  | simp3 |  | 
						
							| 56 |  | 3simpc |  | 
						
							| 57 |  | simpr |  | 
						
							| 58 |  | rabexg |  | 
						
							| 59 | 13 58 | syl |  | 
						
							| 60 | 59 | a1d |  | 
						
							| 61 | 3 60 | ralrimi |  | 
						
							| 62 | 6 | fnmpt |  | 
						
							| 63 | 61 62 | syl |  | 
						
							| 64 | 63 | adantr |  | 
						
							| 65 |  | fvelrnb |  | 
						
							| 66 |  | nfmpt1 |  | 
						
							| 67 | 6 66 | nfcxfr |  | 
						
							| 68 |  | nfcv |  | 
						
							| 69 | 67 68 | nffv |  | 
						
							| 70 |  | nfcv |  | 
						
							| 71 | 69 70 | nfeq |  | 
						
							| 72 |  | nfv |  | 
						
							| 73 |  | fveq2 |  | 
						
							| 74 | 73 | eqeq1d |  | 
						
							| 75 | 71 72 74 | cbvrexw |  | 
						
							| 76 | 65 75 | bitrdi |  | 
						
							| 77 | 64 76 | syl |  | 
						
							| 78 | 57 77 | mpbid |  | 
						
							| 79 | 67 | nfrn |  | 
						
							| 80 | 79 | nfcri |  | 
						
							| 81 | 3 80 | nfan |  | 
						
							| 82 |  | nfv |  | 
						
							| 83 |  | simp3 |  | 
						
							| 84 |  | simpr |  | 
						
							| 85 | 13 | adantr |  | 
						
							| 86 | 85 58 | syl |  | 
						
							| 87 | 6 | fvmpt2 |  | 
						
							| 88 | 84 86 87 | syl2anc |  | 
						
							| 89 | 7 | sselda |  | 
						
							| 90 | 5 | reqabi |  | 
						
							| 91 | 89 90 | sylib |  | 
						
							| 92 | 91 | simprd |  | 
						
							| 93 | 8 | nnrpd |  | 
						
							| 94 | 10 93 | rpdivcld |  | 
						
							| 95 | 94 | adantr |  | 
						
							| 96 |  | breq2 |  | 
						
							| 97 | 96 | ralbidv |  | 
						
							| 98 |  | oveq2 |  | 
						
							| 99 | 98 | breq1d |  | 
						
							| 100 | 99 | ralbidv |  | 
						
							| 101 | 97 100 | 3anbi23d |  | 
						
							| 102 | 101 | rexbidv |  | 
						
							| 103 | 102 | rspccva |  | 
						
							| 104 | 92 95 103 | syl2anc |  | 
						
							| 105 |  | nfv |  | 
						
							| 106 | 1 105 | nfan |  | 
						
							| 107 |  | nfcv |  | 
						
							| 108 | 31 107 | nfne |  | 
						
							| 109 |  | 3simpc |  | 
						
							| 110 |  | rabid |  | 
						
							| 111 | 109 110 | sylibr |  | 
						
							| 112 |  | ne0i |  | 
						
							| 113 | 111 112 | syl |  | 
						
							| 114 | 113 | 3exp |  | 
						
							| 115 | 106 108 114 | rexlimd |  | 
						
							| 116 | 104 115 | mpd |  | 
						
							| 117 | 88 116 | eqnetrd |  | 
						
							| 118 | 117 | 3adant3 |  | 
						
							| 119 | 83 118 | eqnetrrd |  | 
						
							| 120 | 119 | 3adant1r |  | 
						
							| 121 | 120 | 3exp |  | 
						
							| 122 | 81 82 121 | rexlimd |  | 
						
							| 123 | 78 122 | mpd |  | 
						
							| 124 | 123 | 3adant2 |  | 
						
							| 125 |  | rspa |  | 
						
							| 126 | 56 124 125 | sylc |  | 
						
							| 127 | 55 126 | jca |  | 
						
							| 128 |  | vex |  | 
						
							| 129 | 6 | elrnmpt |  | 
						
							| 130 | 128 129 | ax-mp |  | 
						
							| 131 | 55 130 | sylib |  | 
						
							| 132 |  | nfv |  | 
						
							| 133 | 80 132 | nfan |  | 
						
							| 134 |  | nfv |  | 
						
							| 135 |  | simp1r |  | 
						
							| 136 |  | simp3 |  | 
						
							| 137 |  | simpl |  | 
						
							| 138 |  | simpr |  | 
						
							| 139 | 137 138 | eleqtrd |  | 
						
							| 140 |  | elrabi |  | 
						
							| 141 |  | fveq1 |  | 
						
							| 142 | 141 | breq2d |  | 
						
							| 143 | 141 | breq1d |  | 
						
							| 144 | 142 143 | anbi12d |  | 
						
							| 145 | 144 | ralbidv |  | 
						
							| 146 | 141 | breq1d |  | 
						
							| 147 | 146 | ralbidv |  | 
						
							| 148 | 141 | breq2d |  | 
						
							| 149 | 148 | ralbidv |  | 
						
							| 150 | 145 147 149 | 3anbi123d |  | 
						
							| 151 | 150 | elrab |  | 
						
							| 152 | 151 | simprbi |  | 
						
							| 153 | 152 | simp1d |  | 
						
							| 154 | 145 | elrab |  | 
						
							| 155 | 140 153 154 | sylanbrc |  | 
						
							| 156 | 139 155 | syl |  | 
						
							| 157 | 156 4 | eleqtrrdi |  | 
						
							| 158 | 135 136 157 | syl2anc |  | 
						
							| 159 | 158 | 3exp |  | 
						
							| 160 | 133 134 159 | rexlimd |  | 
						
							| 161 | 127 131 160 | sylc |  | 
						
							| 162 | 51 53 54 161 | syl3anc |  | 
						
							| 163 | 50 162 | eqeltrrd |  | 
						
							| 164 | 163 | 3exp |  | 
						
							| 165 | 49 164 | reximdai |  | 
						
							| 166 | 42 165 | mpd |  | 
						
							| 167 |  | nfv |  | 
						
							| 168 |  | idd |  | 
						
							| 169 | 168 | a1i |  | 
						
							| 170 | 49 167 169 | rexlimd |  | 
						
							| 171 | 166 170 | mpd |  | 
						
							| 172 | 171 | ex |  | 
						
							| 173 | 39 172 | ralrimi |  | 
						
							| 174 |  | dfss3 |  | 
						
							| 175 |  | nfrab1 |  | 
						
							| 176 | 4 175 | nfcxfr |  | 
						
							| 177 | 176 | nfcri |  | 
						
							| 178 |  | nfv |  | 
						
							| 179 |  | eleq1 |  | 
						
							| 180 | 177 178 179 | cbvralw |  | 
						
							| 181 | 174 180 | bitri |  | 
						
							| 182 | 173 181 | sylibr |  | 
						
							| 183 |  | df-f |  | 
						
							| 184 | 28 182 183 | sylanbrc |  | 
						
							| 185 |  | dffn3 |  | 
						
							| 186 | 63 185 | sylib |  | 
						
							| 187 | 186 | adantr |  | 
						
							| 188 |  | f1of |  | 
						
							| 189 | 9 188 | syl |  | 
						
							| 190 | 189 | adantr |  | 
						
							| 191 |  | fco |  | 
						
							| 192 | 187 190 191 | syl2anc |  | 
						
							| 193 |  | fco |  | 
						
							| 194 | 184 192 193 | syl2anc |  | 
						
							| 195 |  | fvco3 |  | 
						
							| 196 | 192 195 | sylan |  | 
						
							| 197 |  | simpll |  | 
						
							| 198 |  | simplrr |  | 
						
							| 199 | 192 | ffvelcdmda |  | 
						
							| 200 |  | simp3 |  | 
						
							| 201 |  | nfv |  | 
						
							| 202 | 43 45 201 | nf3an |  | 
						
							| 203 |  | nfv |  | 
						
							| 204 | 202 203 | nfim |  | 
						
							| 205 |  | eleq1 |  | 
						
							| 206 | 205 | 3anbi3d |  | 
						
							| 207 |  | fveq2 |  | 
						
							| 208 |  | id |  | 
						
							| 209 | 207 208 | eleq12d |  | 
						
							| 210 | 206 209 | imbi12d |  | 
						
							| 211 | 204 210 126 | vtoclg1f |  | 
						
							| 212 | 200 211 | mpcom |  | 
						
							| 213 | 197 198 199 212 | syl3anc |  | 
						
							| 214 | 196 213 | eqeltrd |  | 
						
							| 215 |  | fvco3 |  | 
						
							| 216 | 189 215 | sylan |  | 
						
							| 217 |  | raleq |  | 
						
							| 218 | 217 | 3anbi2d |  | 
						
							| 219 | 218 | rabbidv |  | 
						
							| 220 | 189 | ffvelcdmda |  | 
						
							| 221 | 13 | adantr |  | 
						
							| 222 |  | rabexg |  | 
						
							| 223 | 221 222 | syl |  | 
						
							| 224 | 6 219 220 223 | fvmptd3 |  | 
						
							| 225 | 216 224 | eqtrd |  | 
						
							| 226 | 225 | adantlr |  | 
						
							| 227 | 226 | eleq2d |  | 
						
							| 228 |  | nfcv |  | 
						
							| 229 | 33 228 | nfco |  | 
						
							| 230 | 29 229 | nfco |  | 
						
							| 231 |  | nfcv |  | 
						
							| 232 | 230 231 | nffv |  | 
						
							| 233 |  | nfcv |  | 
						
							| 234 |  | nfcv |  | 
						
							| 235 |  | nfcv |  | 
						
							| 236 |  | nfcv |  | 
						
							| 237 |  | nfcv |  | 
						
							| 238 | 232 237 | nffv |  | 
						
							| 239 | 235 236 238 | nfbr |  | 
						
							| 240 |  | nfcv |  | 
						
							| 241 | 238 236 240 | nfbr |  | 
						
							| 242 | 239 241 | nfan |  | 
						
							| 243 | 234 242 | nfralw |  | 
						
							| 244 |  | nfcv |  | 
						
							| 245 |  | nfcv |  | 
						
							| 246 |  | nfcv |  | 
						
							| 247 | 238 245 246 | nfbr |  | 
						
							| 248 | 244 247 | nfralw |  | 
						
							| 249 |  | nfcv |  | 
						
							| 250 |  | nfcv |  | 
						
							| 251 | 250 245 238 | nfbr |  | 
						
							| 252 | 249 251 | nfralw |  | 
						
							| 253 | 243 248 252 | nf3an |  | 
						
							| 254 |  | nfcv |  | 
						
							| 255 |  | nfcv |  | 
						
							| 256 |  | nfcv |  | 
						
							| 257 |  | nfra1 |  | 
						
							| 258 |  | nfra1 |  | 
						
							| 259 |  | nfra1 |  | 
						
							| 260 | 257 258 259 | nf3an |  | 
						
							| 261 |  | nfcv |  | 
						
							| 262 | 260 261 | nfrabw |  | 
						
							| 263 | 256 262 | nfmpt |  | 
						
							| 264 | 6 263 | nfcxfr |  | 
						
							| 265 |  | nfcv |  | 
						
							| 266 | 264 265 | nfco |  | 
						
							| 267 | 255 266 | nfco |  | 
						
							| 268 |  | nfcv |  | 
						
							| 269 | 267 268 | nffv |  | 
						
							| 270 | 254 269 | nfeq |  | 
						
							| 271 |  | fveq1 |  | 
						
							| 272 | 271 | breq2d |  | 
						
							| 273 | 271 | breq1d |  | 
						
							| 274 | 272 273 | anbi12d |  | 
						
							| 275 | 270 274 | ralbid |  | 
						
							| 276 | 271 | breq1d |  | 
						
							| 277 | 270 276 | ralbid |  | 
						
							| 278 | 271 | breq2d |  | 
						
							| 279 | 270 278 | ralbid |  | 
						
							| 280 | 275 277 279 | 3anbi123d |  | 
						
							| 281 | 232 233 253 280 | elrabf |  | 
						
							| 282 | 281 | simprbi |  | 
						
							| 283 | 282 | simp2d |  | 
						
							| 284 | 227 283 | biimtrdi |  | 
						
							| 285 | 214 284 | mpd |  | 
						
							| 286 | 264 | nfrn |  | 
						
							| 287 | 255 286 | nffn |  | 
						
							| 288 |  | nfv |  | 
						
							| 289 | 286 288 | nfralw |  | 
						
							| 290 | 287 289 | nfan |  | 
						
							| 291 | 2 290 | nfan |  | 
						
							| 292 |  | nfv |  | 
						
							| 293 | 291 292 | nfan |  | 
						
							| 294 | 11 | ad3antrrr |  | 
						
							| 295 |  | simpr |  | 
						
							| 296 | 294 295 | sseldd |  | 
						
							| 297 | 282 | simp3d |  | 
						
							| 298 | 227 297 | biimtrdi |  | 
						
							| 299 | 214 298 | mpd |  | 
						
							| 300 | 299 | r19.21bi |  | 
						
							| 301 | 296 300 | syldan |  | 
						
							| 302 | 301 | ex |  | 
						
							| 303 | 293 302 | ralrimi |  | 
						
							| 304 | 285 303 | jca |  | 
						
							| 305 | 304 | ralrimiva |  | 
						
							| 306 | 194 305 | jca |  | 
						
							| 307 |  | feq1 |  | 
						
							| 308 |  | nfcv |  | 
						
							| 309 | 308 267 | nfeq |  | 
						
							| 310 |  | fveq1 |  | 
						
							| 311 | 310 | fveq1d |  | 
						
							| 312 | 311 | breq1d |  | 
						
							| 313 | 309 312 | ralbid |  | 
						
							| 314 | 311 | breq2d |  | 
						
							| 315 | 309 314 | ralbid |  | 
						
							| 316 | 313 315 | anbi12d |  | 
						
							| 317 | 316 | ralbidv |  | 
						
							| 318 | 307 317 | anbi12d |  | 
						
							| 319 | 318 | spcegv |  | 
						
							| 320 | 27 306 319 | sylc |  | 
						
							| 321 | 16 320 | exlimddv |  |