| Step | Hyp | Ref
| Expression |
| 1 | | mbff 23394 |
. . . . . . 7
 MblFn       |
| 2 | 1 | ad2antrr 762 |
. . . . . 6
   MblFn   
         
 
      |
| 3 | | ffn 6045 |
. . . . . 6
       |
| 4 | 2, 3 | syl 17 |
. . . . 5
   MblFn   
         
 
  |
| 5 | | iblmbf 23534 |
. . . . . . . 8
  MblFn |
| 6 | 5 | ad2antlr 763 |
. . . . . . 7
   MblFn   
         
 
MblFn |
| 7 | | mbff 23394 |
. . . . . . 7
 MblFn       |
| 8 | 6, 7 | syl 17 |
. . . . . 6
   MblFn   
         
 
      |
| 9 | | ffn 6045 |
. . . . . 6
       |
| 10 | 8, 9 | syl 17 |
. . . . 5
   MblFn   
         
 
  |
| 11 | | mbfdm 23395 |
. . . . . 6
 MblFn
  |
| 12 | 11 | ad2antrr 762 |
. . . . 5
   MblFn   
         
 
  |
| 13 | | mbfdm 23395 |
. . . . . 6
 MblFn
  |
| 14 | 6, 13 | syl 17 |
. . . . 5
   MblFn   
         
 
  |
| 15 | | eqid 2622 |
. . . . 5

    |
| 16 | | eqidd 2623 |
. . . . 5
    MblFn
 
          
 
           |
| 17 | | eqidd 2623 |
. . . . 5
    MblFn
 
          
 
           |
| 18 | 4, 10, 12, 14, 15, 16, 17 | offval 6904 |
. . . 4
   MblFn   
         
 
 
                 |
| 19 | | ovexd 6680 |
. . . . 5
    MblFn
 
          
 
               |
| 20 | | simpll 790 |
. . . . . . 7
   MblFn   
         
 
MblFn |
| 21 | 20, 6 | mbfmul 23493 |
. . . . . 6
   MblFn   
         
 
 

MblFn |
| 22 | 18, 21 | eqeltrrd 2702 |
. . . . 5
   MblFn   
         
 
              MblFn |
| 23 | 22, 19 | mbfmptcl 23404 |
. . . . . . . 8
    MblFn
 
          
 
               |
| 24 | | eqidd 2623 |
. . . . . . . 8
   MblFn   
         
 
                              |
| 25 | | absf 14077 |
. . . . . . . . . 10
     |
| 26 | 25 | a1i 11 |
. . . . . . . . 9
   MblFn   
         
 
      |
| 27 | 26 | feqmptd 6249 |
. . . . . . . 8
   MblFn   
         
 
        |
| 28 | | fveq2 6191 |
. . . . . . . 8
                               |
| 29 | 23, 24, 27, 28 | fmptco 6396 |
. . . . . . 7
   MblFn   
         
 
                                    |
| 30 | | eqid 2622 |
. . . . . . . . 9
                             |
| 31 | 23, 30 | fmptd 6385 |
. . . . . . . 8
   MblFn   
         
 
                      |
| 32 | | ax-resscn 9993 |
. . . . . . . . . . 11
 |
| 33 | | ssid 3624 |
. . . . . . . . . . 11
 |
| 34 | | cncfss 22702 |
. . . . . . . . . . 11
 
           |
| 35 | 32, 33, 34 | mp2an 708 |
. . . . . . . . . 10
         |
| 36 | | abscncf 22704 |
. . . . . . . . . 10
     |
| 37 | 35, 36 | sselii 3600 |
. . . . . . . . 9
     |
| 38 | 37 | a1i 11 |
. . . . . . . 8
   MblFn   
         
 
      |
| 39 | | cncombf 23425 |
. . . . . . . 8
                MblFn                                          MblFn |
| 40 | 22, 31, 38, 39 | syl3anc 1326 |
. . . . . . 7
   MblFn   
         
 
                MblFn |
| 41 | 29, 40 | eqeltrrd 2702 |
. . . . . 6
   MblFn   
         
 
                  MblFn |
| 42 | 23 | abscld 14175 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                   |
| 43 | 42 | rexrd 10089 |
. . . . . . . . . . 11
    MblFn
 
          
 
                   |
| 44 | 23 | absge0d 14183 |
. . . . . . . . . . 11
    MblFn
 
          
 
                   |
| 45 | | elxrge0 12281 |
. . . . . . . . . . 11
                 
              
                 |
| 46 | 43, 44, 45 | sylanbrc 698 |
. . . . . . . . . 10
    MblFn
 
          
 
                      |
| 47 | | 0e0iccpnf 12283 |
. . . . . . . . . . 11
    |
| 48 | 47 | a1i 11 |
. . . . . . . . . 10
    MblFn
 
          
 
        |
| 49 | 46, 48 | ifclda 4120 |
. . . . . . . . 9
   MblFn   
         
 
  
                       |
| 50 | 49 | adantr 481 |
. . . . . . . 8
    MblFn
 
          
 

  
                       |
| 51 | | eqid 2622 |
. . . . . . . 8
   
                      
                    |
| 52 | 50, 51 | fmptd 6385 |
. . . . . . 7
   MblFn   
         
 
                                |
| 53 | | reex 10027 |
. . . . . . . . . . . . . . 15
 |
| 54 | 53 | a1i 11 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 
     |
| 55 | | simprl 794 |
. . . . . . . . . . . . . . 15
   MblFn   
         
 
  |
| 56 | 55 | ad2antrr 762 |
. . . . . . . . . . . . . 14
     MblFn
            
 
  
   |
| 57 | | elin 3796 |
. . . . . . . . . . . . . . . . . . . 20
  
    |
| 58 | 57 | simprbi 480 |
. . . . . . . . . . . . . . . . . . 19
     |
| 59 | | ffvelrn 6357 |
. . . . . . . . . . . . . . . . . . 19
      
      |
| 60 | 8, 58, 59 | syl2an 494 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
         |
| 61 | 60 | abscld 14175 |
. . . . . . . . . . . . . . . . 17
    MblFn
 
          
 
             |
| 62 | 60 | absge0d 14183 |
. . . . . . . . . . . . . . . . 17
    MblFn
 
          
 
             |
| 63 | | elrege0 12278 |
. . . . . . . . . . . . . . . . 17
           
        
           |
| 64 | 61, 62, 63 | sylanbrc 698 |
. . . . . . . . . . . . . . . 16
    MblFn
 
          
 
                |
| 65 | | 0e0icopnf 12282 |
. . . . . . . . . . . . . . . . 17
    |
| 66 | 65 | a1i 11 |
. . . . . . . . . . . . . . . 16
    MblFn
 
          
 
        |
| 67 | 64, 66 | ifclda 4120 |
. . . . . . . . . . . . . . 15
   MblFn   
         
 
  
                 |
| 68 | 67 | ad2antrr 762 |
. . . . . . . . . . . . . 14
     MblFn
            
 
  
                     |
| 69 | | fconstmpt 5163 |
. . . . . . . . . . . . . . 15
       |
| 70 | 69 | a1i 11 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 
           |
| 71 | | eqidd 2623 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 
                                       |
| 72 | 54, 56, 68, 70, 71 | offval2 6914 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
                            
                   |
| 73 | | ovif2 6738 |
. . . . . . . . . . . . . . 15
                   
                 |
| 74 | 55 | recnd 10068 |
. . . . . . . . . . . . . . . . . 18
   MblFn   
         
 
  |
| 75 | 74 | adantr 481 |
. . . . . . . . . . . . . . . . 17
    MblFn
 
          
 
  
  |
| 76 | 75 | mul01d 10235 |
. . . . . . . . . . . . . . . 16
    MblFn
 
          
 
       |
| 77 | 76 | ifeq2d 4105 |
. . . . . . . . . . . . . . 15
    MblFn
 
          
 
                        
                |
| 78 | 73, 77 | syl5eq 2668 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 
                                       |
| 79 | 78 | mpteq2dv 4745 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
    
                                      |
| 80 | 72, 79 | eqtrd 2656 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                                                |
| 81 | 80 | fveq2d 6195 |
. . . . . . . . . . 11
    MblFn
 
          
 
                                                        |
| 82 | 67 | adantr 481 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 

  
                 |
| 83 | | eqid 2622 |
. . . . . . . . . . . . . 14
   
                
              |
| 84 | 82, 83 | fmptd 6385 |
. . . . . . . . . . . . 13
   MblFn   
         
 
                          |
| 85 | 84 | adantr 481 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                             |
| 86 | | inss2 3834 |
. . . . . . . . . . . . . . . . . 18


 |
| 87 | 86 | a1i 11 |
. . . . . . . . . . . . . . . . 17
   MblFn   
         
 

   |
| 88 | 22, 19 | mbfdm2 23405 |
. . . . . . . . . . . . . . . . 17
   MblFn   
         
 

   |
| 89 | 8 | ffvelrnda 6359 |
. . . . . . . . . . . . . . . . 17
    MblFn
 
          
 
       |
| 90 | 8 | feqmptd 6249 |
. . . . . . . . . . . . . . . . . 18
   MblFn   
         
 
        |
| 91 | | simplr 792 |
. . . . . . . . . . . . . . . . . 18
   MblFn   
         
 
   |
| 92 | 90, 91 | eqeltrrd 2702 |
. . . . . . . . . . . . . . . . 17
   MblFn   
         
 
         |
| 93 | 87, 88, 89, 92 | iblss 23571 |
. . . . . . . . . . . . . . . 16
   MblFn   
         
 
           |
| 94 | 60, 93 | iblabs 23595 |
. . . . . . . . . . . . . . 15
   MblFn   
         
 
               |
| 95 | 61, 62 | iblpos 23559 |
. . . . . . . . . . . . . . 15
   MblFn   
         
 
  
                        MblFn                          |
| 96 | 94, 95 | mpbid 222 |
. . . . . . . . . . . . . 14
   MblFn   
         
 
  
          MblFn                         |
| 97 | 96 | simprd 479 |
. . . . . . . . . . . . 13
   MblFn   
         
 
                       |
| 98 | 97 | adantr 481 |
. . . . . . . . . . . 12
    MblFn
 
          
 
         
                |
| 99 | | simplrl 800 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
  
  |
| 100 | | neq0 3930 |
. . . . . . . . . . . . . . 15
   
    |
| 101 | | 0re 10040 |
. . . . . . . . . . . . . . . . . . 19
 |
| 102 | 101 | a1i 11 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
     |
| 103 | 57 | simplbi 476 |
. . . . . . . . . . . . . . . . . . . 20
     |
| 104 | | ffvelrn 6357 |
. . . . . . . . . . . . . . . . . . . 20
      
      |
| 105 | 2, 103, 104 | syl2an 494 |
. . . . . . . . . . . . . . . . . . 19
    MblFn
 
          
 
         |
| 106 | 105 | abscld 14175 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
             |
| 107 | | simplrl 800 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
     |
| 108 | 105 | absge0d 14183 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
             |
| 109 | | simprr 796 |
. . . . . . . . . . . . . . . . . . 19
   MblFn   
         
 
            |
| 110 | | fveq2 6191 |
. . . . . . . . . . . . . . . . . . . . . 22
           |
| 111 | 110 | fveq2d 6195 |
. . . . . . . . . . . . . . . . . . . . 21
                   |
| 112 | 111 | breq1d 4663 |
. . . . . . . . . . . . . . . . . . . 20
         
           |
| 113 | 112 | rspccva 3308 |
. . . . . . . . . . . . . . . . . . 19
           
        
  |
| 114 | 109, 103,
113 | syl2an 494 |
. . . . . . . . . . . . . . . . . 18
    MblFn
 
          
 
             |
| 115 | 102, 106,
107, 108, 114 | letrd 10194 |
. . . . . . . . . . . . . . . . 17
    MblFn
 
          
 
     |
| 116 | 115 | ex 450 |
. . . . . . . . . . . . . . . 16
   MblFn   
         
 
      |
| 117 | 116 | exlimdv 1861 |
. . . . . . . . . . . . . . 15
   MblFn   
         
 
 
 
   |
| 118 | 100, 117 | syl5bi 232 |
. . . . . . . . . . . . . 14
   MblFn   
         
 
      |
| 119 | 118 | imp 445 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
  
  |
| 120 | | elrege0 12278 |
. . . . . . . . . . . . 13
   
    |
| 121 | 99, 119, 120 | sylanbrc 698 |
. . . . . . . . . . . 12
    MblFn
 
          
 
  
     |
| 122 | 85, 98, 121 | itg2mulc 23514 |
. . . . . . . . . . 11
    MblFn
 
          
 
                                                        |
| 123 | 81, 122 | eqtr3d 2658 |
. . . . . . . . . 10
    MblFn
 
          
 
         
                                         |
| 124 | 99, 98 | remulcld 10070 |
. . . . . . . . . 10
    MblFn
 
          
 
                            |
| 125 | 123, 124 | eqeltrd 2701 |
. . . . . . . . 9
    MblFn
 
          
 
         
                  |
| 126 | 125 | ex 450 |
. . . . . . . 8
   MblFn   
         
 
                             |
| 127 | | noel 3919 |
. . . . . . . . . . . . . 14
 |
| 128 | | eleq2 2690 |
. . . . . . . . . . . . . 14
    
    |
| 129 | 127, 128 | mtbiri 317 |
. . . . . . . . . . . . 13
  

   |
| 130 | | iffalse 4095 |
. . . . . . . . . . . . 13
 
                    |
| 131 | 129, 130 | syl 17 |
. . . . . . . . . . . 12
                      |
| 132 | 131 | mpteq2dv 4745 |
. . . . . . . . . . 11
                          |
| 133 | | fconstmpt 5163 |
. . . . . . . . . . 11
       |
| 134 | 132, 133 | syl6eqr 2674 |
. . . . . . . . . 10
                            |
| 135 | 134 | fveq2d 6195 |
. . . . . . . . 9
                                    |
| 136 | | itg20 23504 |
. . . . . . . . . 10
         |
| 137 | 136, 101 | eqeltri 2697 |
. . . . . . . . 9
         |
| 138 | 135, 137 | syl6eqel 2709 |
. . . . . . . 8
                            |
| 139 | 126, 138 | pm2.61d2 172 |
. . . . . . 7
   MblFn   
         
 
                         |
| 140 | 107, 61 | remulcld 10070 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
               |
| 141 | 140 | rexrd 10089 |
. . . . . . . . . . . 12
    MblFn
 
          
 
               |
| 142 | 107, 61, 115, 62 | mulge0d 10604 |
. . . . . . . . . . . 12
    MblFn
 
          
 
               |
| 143 | | elxrge0 12281 |
. . . . . . . . . . . 12
                        
             |
| 144 | 141, 142,
143 | sylanbrc 698 |
. . . . . . . . . . 11
    MblFn
 
          
 
                  |
| 145 | 144, 48 | ifclda 4120 |
. . . . . . . . . 10
   MblFn   
         
 
  
                   |
| 146 | 145 | adantr 481 |
. . . . . . . . 9
    MblFn
 
          
 

  
                   |
| 147 | | eqid 2622 |
. . . . . . . . 9
   
                                   |
| 148 | 146, 147 | fmptd 6385 |
. . . . . . . 8
   MblFn   
         
 
                            |
| 149 | 105, 60 | absmuld 14193 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
                                     |
| 150 | | abscl 14018 |
. . . . . . . . . . . . . . . 16
               |
| 151 | | absge0 14027 |
. . . . . . . . . . . . . . . 16
               |
| 152 | 150, 151 | jca 554 |
. . . . . . . . . . . . . . 15
                         |
| 153 | 60, 152 | syl 17 |
. . . . . . . . . . . . . 14
    MblFn
 
          
 
                       |
| 154 | | lemul1a 10877 |
. . . . . . . . . . . . . 14
          
                                                          |
| 155 | 106, 107,
153, 114, 154 | syl31anc 1329 |
. . . . . . . . . . . . 13
    MblFn
 
          
 
                                 |
| 156 | 149, 155 | eqbrtrd 4675 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                             |
| 157 | | iftrue 4092 |
. . . . . . . . . . . . 13
                                        |
| 158 | 157 | adantl 482 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                                        |
| 159 | | iftrue 4092 |
. . . . . . . . . . . . 13
                                |
| 160 | 159 | adantl 482 |
. . . . . . . . . . . 12
    MblFn
 
          
 
                                |
| 161 | 156, 158,
160 | 3brtr4d 4685 |
. . . . . . . . . . 11
    MblFn
 
          
 
                       
  
                |
| 162 | | 0le0 11110 |
. . . . . . . . . . . . . 14
 |
| 163 | 162 | a1i 11 |
. . . . . . . . . . . . 13
 
   |
| 164 | | iffalse 4095 |
. . . . . . . . . . . . 13
 
                        |
| 165 | 163, 164,
130 | 3brtr4d 4685 |
. . . . . . . . . . . 12
 
                                         |
| 166 | 165 | adantl 482 |
. . . . . . . . . . 11
    MblFn
 
          
 
                       
  
                |
| 167 | 161, 166 | pm2.61dan 832 |
. . . . . . . . . 10
   MblFn   
         
 
  
                                     |
| 168 | 167 | ralrimivw 2967 |
. . . . . . . . 9
   MblFn   
         
 
                                         |
| 169 | 53 | a1i 11 |
. . . . . . . . . 10
   MblFn   
         
 
  |
| 170 | | eqidd 2623 |
. . . . . . . . . 10
   MblFn   
         
 
                          
                     |
| 171 | | eqidd 2623 |
. . . . . . . . . 10
   MblFn   
         
 
                                        |
| 172 | 169, 50, 146, 170, 171 | ofrfval2 6915 |
. . . . . . . . 9
   MblFn   
         
 
                                            
                    
  
                 |
| 173 | 168, 172 | mpbird 247 |
. . . . . . . 8
   MblFn   
         
 
                                             |
| 174 | | itg2le 23506 |
. . . . . . . 8
                                                                                                     
                                 
                  |
| 175 | 52, 148, 173, 174 | syl3anc 1326 |
. . . . . . 7
   MblFn   
         
 
                                 
                  |
| 176 | | itg2lecl 23505 |
. . . . . . 7
                                                                                        
                                              |
| 177 | 52, 139, 175, 176 | syl3anc 1326 |
. . . . . 6
   MblFn   
         
 
                             |
| 178 | 42, 44 | iblpos 23559 |
. . . . . 6
   MblFn   
         
 
  
                                    MblFn                                |
| 179 | 41, 177, 178 | mpbir2and 957 |
. . . . 5
   MblFn   
         
 
                     |
| 180 | 19, 22, 179 | iblabsr 23596 |
. . . 4
   MblFn   
         
 
                 |
| 181 | 18, 180 | eqeltrd 2701 |
. . 3
   MblFn   
         
 
 
    |
| 182 | 181 | rexlimdvaa 3032 |
. 2
  MblFn
                     |
| 183 | 182 | 3impia 1261 |
1
  MblFn
 
          
 
    |