| Step | Hyp | Ref
| Expression |
| 1 | | srgpcomp.k |
. 2
   |
| 2 | | oveq1 5932 |
. . . . . 6
 
     |
| 3 | 2 | oveq1d 5940 |
. . . . 5
   
       |
| 4 | 2 | oveq2d 5941 |
. . . . 5
      
    |
| 5 | 3, 4 | eqeq12d 2211 |
. . . 4
         
 
  
      |
| 6 | 5 | imbi2d 230 |
. . 3
  
 
  
    
 
  
       |
| 7 | | oveq1 5932 |
. . . . . 6
 
     |
| 8 | 7 | oveq1d 5940 |
. . . . 5
   
       |
| 9 | 7 | oveq2d 5941 |
. . . . 5
      
    |
| 10 | 8, 9 | eqeq12d 2211 |
. . . 4
         
 
  
      |
| 11 | 10 | imbi2d 230 |
. . 3
  
 
  
    
 
  
       |
| 12 | | oveq1 5932 |
. . . . . 6
   
       |
| 13 | 12 | oveq1d 5940 |
. . . . 5
     
         |
| 14 | 12 | oveq2d 5941 |
. . . . 5
          
    |
| 15 | 13, 14 | eqeq12d 2211 |
. . . 4
           
   
  
        |
| 16 | 15 | imbi2d 230 |
. . 3
    
 
  
    
   
  
         |
| 17 | | oveq1 5932 |
. . . . . 6
 
     |
| 18 | 17 | oveq1d 5940 |
. . . . 5
   
       |
| 19 | 17 | oveq2d 5941 |
. . . . 5
           |
| 20 | 18, 19 | eqeq12d 2211 |
. . . 4
         
    
      |
| 21 | 20 | imbi2d 230 |
. . 3
  
 
  
    
 
  
       |
| 22 | | srgpcomp.b |
. . . . . . . 8
   |
| 23 | | srgpcomp.r |
. . . . . . . . 9
 SRing |
| 24 | | srgpcomp.g |
. . . . . . . . . 10
mulGrp   |
| 25 | | srgpcomp.s |
. . . . . . . . . 10
     |
| 26 | 24, 25 | mgpbasg 13558 |
. . . . . . . . 9
 SRing       |
| 27 | 23, 26 | syl 14 |
. . . . . . . 8
       |
| 28 | 22, 27 | eleqtrd 2275 |
. . . . . . 7
       |
| 29 | | eqid 2196 |
. . . . . . . 8
         |
| 30 | | eqid 2196 |
. . . . . . . 8
         |
| 31 | | srgpcomp.e |
. . . . . . . 8
.g   |
| 32 | 29, 30, 31 | mulg0 13331 |
. . . . . . 7
    
        |
| 33 | 28, 32 | syl 14 |
. . . . . 6
         |
| 34 | | eqid 2196 |
. . . . . . . 8
         |
| 35 | 24, 34 | ringidvalg 13593 |
. . . . . . 7
 SRing           |
| 36 | 23, 35 | syl 14 |
. . . . . 6
           |
| 37 | 33, 36 | eqtr4d 2232 |
. . . . 5
         |
| 38 | 37 | oveq1d 5940 |
. . . 4
             |
| 39 | | srgpcomp.a |
. . . . . 6
   |
| 40 | | srgpcomp.m |
. . . . . . 7
     |
| 41 | 25, 40, 34 | srgridm 13612 |
. . . . . 6
  SRing
         |
| 42 | 23, 39, 41 | syl2anc 411 |
. . . . 5
         |
| 43 | 37 | oveq2d 5941 |
. . . . 5
  
          |
| 44 | 25, 40, 34 | srglidm 13611 |
. . . . . 6
  SRing
     
   |
| 45 | 23, 39, 44 | syl2anc 411 |
. . . . 5
         |
| 46 | 42, 43, 45 | 3eqtr4rd 2240 |
. . . 4
             |
| 47 | 38, 46 | eqtrd 2229 |
. . 3
           |
| 48 | 24 | srgmgp 13600 |
. . . . . . . . . . . . . 14
 SRing   |
| 49 | 23, 48 | syl 14 |
. . . . . . . . . . . . 13
   |
| 50 | 49 | adantr 276 |
. . . . . . . . . . . 12
 

  |
| 51 | | simpr 110 |
. . . . . . . . . . . 12
 

  |
| 52 | 22 | adantr 276 |
. . . . . . . . . . . . 13
 

  |
| 53 | 27 | adantr 276 |
. . . . . . . . . . . . 13
 

      |
| 54 | 52, 53 | eleqtrd 2275 |
. . . . . . . . . . . 12
 

      |
| 55 | | eqid 2196 |
. . . . . . . . . . . . 13
       |
| 56 | 29, 31, 55 | mulgnn0p1 13339 |
. . . . . . . . . . . 12
 
       
            |
| 57 | 50, 51, 54, 56 | syl3anc 1249 |
. . . . . . . . . . 11
 

               |
| 58 | 24, 40 | mgpplusgg 13556 |
. . . . . . . . . . . . . . 15
 SRing
     |
| 59 | 23, 58 | syl 14 |
. . . . . . . . . . . . . 14
      |
| 60 | 59 | oveqd 5942 |
. . . . . . . . . . . . 13
      
  
      |
| 61 | 60 | eqeq2d 2208 |
. . . . . . . . . . . 12
        
   
             |
| 62 | 61 | adantr 276 |
. . . . . . . . . . 11
 

   
    
                |
| 63 | 57, 62 | mpbird 167 |
. . . . . . . . . 10
 

          |
| 64 | 63 | oveq1d 5940 |
. . . . . . . . 9
 

   
      
   |
| 65 | | srgpcomp.c |
. . . . . . . . . . . . 13
       |
| 66 | 65 | eqcomd 2202 |
. . . . . . . . . . . 12
       |
| 67 | 66 | adantr 276 |
. . . . . . . . . . 11
 

  
   |
| 68 | 67 | oveq2d 5941 |
. . . . . . . . . 10
 

 
      
     |
| 69 | 23 | adantr 276 |
. . . . . . . . . . 11
 

SRing |
| 70 | 29, 31 | mulgnn0cl 13344 |
. . . . . . . . . . . . 13
 
     
       |
| 71 | 50, 51, 54, 70 | syl3anc 1249 |
. . . . . . . . . . . 12
 

        |
| 72 | 71, 53 | eleqtrrd 2276 |
. . . . . . . . . . 11
 

    |
| 73 | 39 | adantr 276 |
. . . . . . . . . . 11
 

  |
| 74 | 25, 40 | srgass 13603 |
. . . . . . . . . . 11
  SRing
  
 
   
    
     |
| 75 | 69, 72, 52, 73, 74 | syl13anc 1251 |
. . . . . . . . . 10
 

   
    
     |
| 76 | 25, 40 | srgass 13603 |
. . . . . . . . . . 11
  SRing
  
 
   
    
     |
| 77 | 69, 72, 73, 52, 76 | syl13anc 1251 |
. . . . . . . . . 10
 

   
    
     |
| 78 | 68, 75, 77 | 3eqtr4d 2239 |
. . . . . . . . 9
 

   
      
   |
| 79 | 64, 78 | eqtrd 2229 |
. . . . . . . 8
 

   
      
   |
| 80 | 79 | adantr 276 |
. . . . . . 7
      
               
    |
| 81 | | oveq1 5932 |
. . . . . . . 8
   
         
         |
| 82 | 25, 40 | srgass 13603 |
. . . . . . . . . 10
  SRing

 
 
      
 
     |
| 83 | 69, 73, 72, 52, 82 | syl13anc 1251 |
. . . . . . . . 9
 

      
 
     |
| 84 | 63 | eqcomd 2202 |
. . . . . . . . . 10
 

 
    
   |
| 85 | 84 | oveq2d 5941 |
. . . . . . . . 9
 

      
       |
| 86 | 83, 85 | eqtrd 2229 |
. . . . . . . 8
 

      
       |
| 87 | 81, 86 | sylan9eqr 2251 |
. . . . . . 7
      
                    |
| 88 | 80, 87 | eqtrd 2229 |
. . . . . 6
      
                    |
| 89 | 88 | ex 115 |
. . . . 5
 

   
         
          |
| 90 | 89 | expcom 116 |
. . . 4

      
                   |
| 91 | 90 | a2d 26 |
. . 3

      
         
           |
| 92 | 6, 11, 16, 21, 47, 91 | nn0ind 9457 |
. 2

            |
| 93 | 1, 92 | mpcom 36 |
1
           |