| Step | Hyp | Ref
| Expression |
| 1 | | psrring.s |
. . . . . . . . . . . . 13
 mPwSer   |
| 2 | | psrass.b |
. . . . . . . . . . . . 13
     |
| 3 | | eqid 2622 |
. . . . . . . . . . . . 13
       |
| 4 | | psrdi.a |
. . . . . . . . . . . . 13
    |
| 5 | | psrass.x |
. . . . . . . . . . . . 13
   |
| 6 | | psrass.y |
. . . . . . . . . . . . 13
   |
| 7 | 1, 2, 3, 4, 5, 6 | psradd 19382 |
. . . . . . . . . . . 12
             |
| 8 | 7 | fveq1d 6193 |
. . . . . . . . . . 11
                     |
| 9 | 8 | ad2antrr 762 |
. . . . . . . . . 10
    
                       |
| 10 | | ssrab2 3687 |
. . . . . . . . . . . 12
    |
| 11 | | simpr 477 |
. . . . . . . . . . . 12
    
  


   |
| 12 | 10, 11 | sseldi 3601 |
. . . . . . . . . . 11
    
  
  |
| 13 | | eqid 2622 |
. . . . . . . . . . . . . . 15
         |
| 14 | | psrass.d |
. . . . . . . . . . . . . . 15
          |
| 15 | 1, 13, 14, 2, 5 | psrelbas 19379 |
. . . . . . . . . . . . . 14
           |
| 16 | 15 | ad2antrr 762 |
. . . . . . . . . . . . 13
    
             |
| 17 | 16 | ffnd 6046 |
. . . . . . . . . . . 12
    
  
  |
| 18 | 1, 13, 14, 2, 6 | psrelbas 19379 |
. . . . . . . . . . . . . 14
           |
| 19 | 18 | ad2antrr 762 |
. . . . . . . . . . . . 13
    
             |
| 20 | 19 | ffnd 6046 |
. . . . . . . . . . . 12
    
  
  |
| 21 | | ovex 6678 |
. . . . . . . . . . . . . 14
   |
| 22 | 14, 21 | rabex2 4815 |
. . . . . . . . . . . . 13
 |
| 23 | 22 | a1i 11 |
. . . . . . . . . . . 12
    
  
  |
| 24 | | inidm 3822 |
. . . . . . . . . . . 12
   |
| 25 | | eqidd 2623 |
. . . . . . . . . . . 12
   

               |
| 26 | | eqidd 2623 |
. . . . . . . . . . . 12
   

               |
| 27 | 17, 20, 23, 23, 24, 25, 26 | ofval 6906 |
. . . . . . . . . . 11
   

                                  |
| 28 | 12, 27 | mpdan 702 |
. . . . . . . . . 10
    
                                |
| 29 | 9, 28 | eqtrd 2656 |
. . . . . . . . 9
    
                          |
| 30 | 29 | oveq1d 6665 |
. . . . . . . 8
    
                                                        |
| 31 | | psrring.r |
. . . . . . . . . 10
   |
| 32 | 31 | ad2antrr 762 |
. . . . . . . . 9
    
  
  |
| 33 | 16, 12 | ffvelrnd 6360 |
. . . . . . . . 9
    
             |
| 34 | 19, 12 | ffvelrnd 6360 |
. . . . . . . . 9
    
             |
| 35 | | psrass.z |
. . . . . . . . . . . 12
   |
| 36 | 1, 13, 14, 2, 35 | psrelbas 19379 |
. . . . . . . . . . 11
           |
| 37 | 36 | ad2antrr 762 |
. . . . . . . . . 10
    
             |
| 38 | | psrring.i |
. . . . . . . . . . . . 13
   |
| 39 | 38 | ad2antrr 762 |
. . . . . . . . . . . 12
    
  
  |
| 40 | | simplr 792 |
. . . . . . . . . . . 12
    
     |
| 41 | | eqid 2622 |
. . . . . . . . . . . . 13
  


  |
| 42 | 14, 41 | psrbagconcl 19373 |
. . . . . . . . . . . 12
 


 
 
      |
| 43 | 39, 40, 11, 42 | syl3anc 1326 |
. . . . . . . . . . 11
    
      
    |
| 44 | 10, 43 | sseldi 3601 |
. . . . . . . . . 10
    
        |
| 45 | 37, 44 | ffvelrnd 6360 |
. . . . . . . . 9
    
                |
| 46 | | eqid 2622 |
. . . . . . . . . 10
         |
| 47 | 13, 3, 46 | ringdir 18567 |
. . . . . . . . 9
                  
                                                                                          |
| 48 | 32, 33, 34, 45, 47 | syl13anc 1328 |
. . . . . . . 8
    
                                                                                |
| 49 | 30, 48 | eqtrd 2656 |
. . . . . . 7
    
                                                                       |
| 50 | 49 | mpteq2dva 4744 |
. . . . . 6
 
                             
                                                 |
| 51 | 14 | psrbaglefi 19372 |
. . . . . . . 8
 
 
    |
| 52 | 38, 51 | sylan 488 |
. . . . . . 7
 
   
  |
| 53 | 13, 46 | ringcl 18561 |
. . . . . . . 8
         
                                     |
| 54 | 32, 33, 45, 53 | syl3anc 1326 |
. . . . . . 7
    
                            |
| 55 | 13, 46 | ringcl 18561 |
. . . . . . . 8
         
                                     |
| 56 | 32, 34, 45, 55 | syl3anc 1326 |
. . . . . . 7
    
                            |
| 57 | | eqidd 2623 |
. . . . . . 7
 
                           
                       |
| 58 | | eqidd 2623 |
. . . . . . 7
 
                           
                       |
| 59 | 52, 54, 56, 57, 58 | offval2 6914 |
. . . . . 6
 
                                 
                                                                           |
| 60 | 50, 59 | eqtr4d 2659 |
. . . . 5
 
                                                                                     |
| 61 | 60 | oveq2d 6666 |
. . . 4
 
  g                             g   
                             
                          |
| 62 | 31 | adantr 481 |
. . . . . 6
 
   |
| 63 | | ringcmn 18581 |
. . . . . 6

CMnd |
| 64 | 62, 63 | syl 17 |
. . . . 5
 
 CMnd |
| 65 | | eqid 2622 |
. . . . 5
  
                      
                       |
| 66 | | eqid 2622 |
. . . . 5
  
                      
                       |
| 67 | 13, 3, 64, 52, 54, 56, 65, 66 | gsummptfidmadd2 18326 |
. . . 4
 
  g   
                             
                          g 
                              g 
                           |
| 68 | 61, 67 | eqtrd 2656 |
. . 3
 
  g                              g   
                            g   
                         |
| 69 | 68 | mpteq2dva 4744 |
. 2
   g                                g 
                              g 
                            |
| 70 | | psrass.t |
. . 3
     |
| 71 | | ringgrp 18552 |
. . . . 5

  |
| 72 | 31, 71 | syl 17 |
. . . 4
   |
| 73 | 1, 2, 4, 72, 5, 6 | psraddcl 19383 |
. . 3
     |
| 74 | 1, 2, 46, 70, 14, 73, 35 | psrmulfval 19385 |
. 2
       g 
                             |
| 75 | 1, 2, 70, 31, 5, 35 | psrmulcl 19388 |
. . . 4
     |
| 76 | 1, 2, 70, 31, 6, 35 | psrmulcl 19388 |
. . . 4
     |
| 77 | 1, 2, 3, 4, 75, 76 | psradd 19382 |
. . 3
                     |
| 78 | 22 | a1i 11 |
. . . 4
   |
| 79 | | ovexd 6680 |
. . . 4
 
  g                            |
| 80 | | ovexd 6680 |
. . . 4
 
  g                            |
| 81 | 1, 2, 46, 70, 14, 5, 35 | psrmulfval 19385 |
. . . 4
     g 
                           |
| 82 | 1, 2, 46, 70, 14, 6, 35 | psrmulfval 19385 |
. . . 4
     g 
                           |
| 83 | 78, 79, 80, 81, 82 | offval2 6914 |
. . 3
                g   
                            g   
                          |
| 84 | 77, 83 | eqtrd 2656 |
. 2
          g 
                              g 
                            |
| 85 | 69, 74, 84 | 3eqtr4d 2666 |
1
      
      |