| Step | Hyp | Ref
| Expression |
| 1 | | oveq1 5929 |
. . . . . . . 8
 
     |
| 2 | 1 | oveq1d 5937 |
. . . . . . 7
   
       |
| 3 | | oveq1 5929 |
. . . . . . 7
 
         |
| 4 | 2, 3 | eqeq12d 2211 |
. . . . . 6
         
 
         |
| 5 | 4 | imbi2d 230 |
. . . . 5
      SRing
 
         

SRing             |
| 6 | | oveq1 5929 |
. . . . . . . 8
 
     |
| 7 | 6 | oveq1d 5937 |
. . . . . . 7
   
       |
| 8 | | oveq1 5929 |
. . . . . . 7
 
         |
| 9 | 7, 8 | eqeq12d 2211 |
. . . . . 6
         
 
         |
| 10 | 9 | imbi2d 230 |
. . . . 5
      SRing
 
         

SRing             |
| 11 | | oveq1 5929 |
. . . . . . . 8
   
       |
| 12 | 11 | oveq1d 5937 |
. . . . . . 7
     
         |
| 13 | | oveq1 5929 |
. . . . . . 7
   
           |
| 14 | 12, 13 | eqeq12d 2211 |
. . . . . 6
           
               |
| 15 | 14 | imbi2d 230 |
. . . . 5
        SRing
 
         

SRing                 |
| 16 | | oveq1 5929 |
. . . . . . . 8
 
     |
| 17 | 16 | oveq1d 5937 |
. . . . . . 7
   
       |
| 18 | | oveq1 5929 |
. . . . . . 7
 
         |
| 19 | 17, 18 | eqeq12d 2211 |
. . . . . 6
         
           |
| 20 | 19 | imbi2d 230 |
. . . . 5
      SRing
 
         

SRing             |
| 21 | | simpr 110 |
. . . . . . 7
  

SRing SRing |
| 22 | | simpr 110 |
. . . . . . . 8
 
   |
| 23 | 22 | adantr 276 |
. . . . . . 7
  

SRing   |
| 24 | | srgmulgass.b |
. . . . . . . 8
     |
| 25 | | srgmulgass.t |
. . . . . . . 8
     |
| 26 | | eqid 2196 |
. . . . . . . 8
         |
| 27 | 24, 25, 26 | srglz 13541 |
. . . . . . 7
  SRing
     
       |
| 28 | 21, 23, 27 | syl2anc 411 |
. . . . . 6
  

SRing             |
| 29 | | simpl 109 |
. . . . . . . . 9
 
   |
| 30 | 29 | adantr 276 |
. . . . . . . 8
  

SRing   |
| 31 | | srgmulgass.m |
. . . . . . . . 9
.g   |
| 32 | 24, 26, 31 | mulg0 13255 |
. . . . . . . 8
 
       |
| 33 | 30, 32 | syl 14 |
. . . . . . 7
  

SRing         |
| 34 | 33 | oveq1d 5937 |
. . . . . 6
  

SRing         
   |
| 35 | 24, 25 | srgcl 13526 |
. . . . . . . 8
  SRing
     |
| 36 | 21, 30, 23, 35 | syl3anc 1249 |
. . . . . . 7
  

SRing     |
| 37 | 24, 26, 31 | mulg0 13255 |
. . . . . . 7
 

          |
| 38 | 36, 37 | syl 14 |
. . . . . 6
  

SRing           |
| 39 | 28, 34, 38 | 3eqtr4d 2239 |
. . . . 5
  

SRing           |
| 40 | | srgmnd 13523 |
. . . . . . . . . . . . . 14
 SRing   |
| 41 | 40 | adantl 277 |
. . . . . . . . . . . . 13
  

SRing   |
| 42 | 41 | adantl 277 |
. . . . . . . . . . . 12
     SRing   |
| 43 | | simpl 109 |
. . . . . . . . . . . 12
     SRing   |
| 44 | 30 | adantl 277 |
. . . . . . . . . . . 12
     SRing   |
| 45 | | eqid 2196 |
. . . . . . . . . . . . 13
       |
| 46 | 24, 31, 45 | mulgnn0p1 13263 |
. . . . . . . . . . . 12
 
                |
| 47 | 42, 43, 44, 46 | syl3anc 1249 |
. . . . . . . . . . 11
     SRing                |
| 48 | 47 | oveq1d 5937 |
. . . . . . . . . 10
     SRing     
              |
| 49 | 21 | adantl 277 |
. . . . . . . . . . 11
     SRing SRing |
| 50 | 24, 31 | mulgnn0cl 13268 |
. . . . . . . . . . . 12
 
 
   |
| 51 | 42, 43, 44, 50 | syl3anc 1249 |
. . . . . . . . . . 11
     SRing 
   |
| 52 | 23 | adantl 277 |
. . . . . . . . . . 11
     SRing   |
| 53 | 24, 45, 25 | srgdir 13531 |
. . . . . . . . . . 11
  SRing
  
 
                          |
| 54 | 49, 51, 44, 52, 53 | syl13anc 1251 |
. . . . . . . . . 10
     SRing                           |
| 55 | 48, 54 | eqtrd 2229 |
. . . . . . . . 9
     SRing     
                |
| 56 | 55 | adantr 276 |
. . . . . . . 8
      SRing   
  
       
                |
| 57 | | oveq1 5929 |
. . . . . . . . 9
   
  
 
   
  
                     |
| 58 | 35 | 3expb 1206 |
. . . . . . . . . . . . 13
  SRing

 
    |
| 59 | 58 | ancoms 268 |
. . . . . . . . . . . 12
  

SRing     |
| 60 | 59 | adantl 277 |
. . . . . . . . . . 11
     SRing     |
| 61 | 24, 31, 45 | mulgnn0p1 13263 |
. . . . . . . . . . 11
 
                        |
| 62 | 42, 43, 60, 61 | syl3anc 1249 |
. . . . . . . . . 10
     SRing                      |
| 63 | 62 | eqcomd 2202 |
. . . . . . . . 9
     SRing                      |
| 64 | 57, 63 | sylan9eqr 2251 |
. . . . . . . 8
      SRing   
  
                        |
| 65 | 56, 64 | eqtrd 2229 |
. . . . . . 7
      SRing   
  
       
    
    |
| 66 | 65 | exp31 364 |
. . . . . 6

  

SRing                          |
| 67 | 66 | a2d 26 |
. . . . 5

     SRing
 
      
  

SRing                 |
| 68 | 5, 10, 15, 20, 39, 67 | nn0ind 9440 |
. . . 4

  

SRing            |
| 69 | 68 | expd 258 |
. . 3

 
  SRing   
  
      |
| 70 | 69 | 3impib 1203 |
. 2
 
  SRing   
  
     |
| 71 | 70 | impcom 125 |
1
  SRing

            |