| Step | Hyp | Ref
| Expression |
| 1 | | 1mavmul.a |
. . . 4
 Mat   |
| 2 | | 1mavmul.t |
. . . 4

maVecMul      |
| 3 | | 1mavmul.b |
. . . 4
     |
| 4 | | eqid 2622 |
. . . 4
         |
| 5 | | 1mavmul.r |
. . . 4
   |
| 6 | | 1mavmul.n |
. . . 4
   |
| 7 | | mavmulass.m |
. . . . . 6

maMul   
   |
| 8 | | mavmulass.x |
. . . . . . 7
       |
| 9 | 1, 3 | matbas2 20227 |
. . . . . . . 8
 
           |
| 10 | 6, 5, 9 | syl2anc 693 |
. . . . . . 7
           |
| 11 | 8, 10 | eleqtrrd 2704 |
. . . . . 6
       |
| 12 | | mavmulass.z |
. . . . . . 7
       |
| 13 | 12, 10 | eleqtrrd 2704 |
. . . . . 6
       |
| 14 | 3, 5, 7, 6, 6, 6, 11, 13 | mamucl 20207 |
. . . . 5
         |
| 15 | 14, 10 | eleqtrd 2703 |
. . . 4
         |
| 16 | | 1mavmul.y |
. . . 4
     |
| 17 | 1, 2, 3, 4, 5, 6, 15, 16 | mavmulcl 20353 |
. . 3
         |
| 18 | | elmapi 7879 |
. . 3
   
  
          |
| 19 | | ffn 6045 |
. . 3
   
       
   |
| 20 | 17, 18, 19 | 3syl 18 |
. 2
       |
| 21 | 1, 2, 3, 4, 5, 6, 12, 16 | mavmulcl 20353 |
. . . 4
       |
| 22 | 1, 2, 3, 4, 5, 6, 8, 21 | mavmulcl 20353 |
. . 3
         |
| 23 | | elmapi 7879 |
. . 3
                 |
| 24 | | ffn 6045 |
. . 3
               |
| 25 | 22, 23, 24 | 3syl 18 |
. 2
       |
| 26 | | ringcmn 18581 |
. . . . . . 7

CMnd |
| 27 | 5, 26 | syl 17 |
. . . . . 6
 CMnd |
| 28 | 27 | adantr 481 |
. . . . 5
 
 CMnd |
| 29 | 6 | adantr 481 |
. . . . 5
 
   |
| 30 | 5 | ad2antrr 762 |
. . . . . 6
    
 
  |
| 31 | | elmapi 7879 |
. . . . . . . . 9
  
          |
| 32 | 11, 31 | syl 17 |
. . . . . . . 8
         |
| 33 | 32 | ad2antrr 762 |
. . . . . . 7
    
 
        |
| 34 | | simplr 792 |
. . . . . . 7
    
 
  |
| 35 | | simprr 796 |
. . . . . . 7
    
 
  |
| 36 | 33, 34, 35 | fovrnd 6806 |
. . . . . 6
    
 
      |
| 37 | | elmapi 7879 |
. . . . . . . . . 10
  
          |
| 38 | 13, 37 | syl 17 |
. . . . . . . . 9
         |
| 39 | 38 | ad2antrr 762 |
. . . . . . . 8
    
 
        |
| 40 | | simprl 794 |
. . . . . . . 8
    
 
  |
| 41 | 39, 35, 40 | fovrnd 6806 |
. . . . . . 7
    
 
      |
| 42 | | elmapi 7879 |
. . . . . . . . . 10
         |
| 43 | | ffvelrn 6357 |
. . . . . . . . . . 11
     
       |
| 44 | 43 | ex 450 |
. . . . . . . . . 10
             |
| 45 | 16, 42, 44 | 3syl 18 |
. . . . . . . . 9
         |
| 46 | 45 | imp 445 |
. . . . . . . 8
 
       |
| 47 | 46 | ad2ant2r 783 |
. . . . . . 7
    
 
      |
| 48 | 3, 4 | ringcl 18561 |
. . . . . . 7
                             |
| 49 | 30, 41, 47, 48 | syl3anc 1326 |
. . . . . 6
    
 
                  |
| 50 | 3, 4 | ringcl 18561 |
. . . . . 6
                                                     |
| 51 | 30, 36, 49, 50 | syl3anc 1326 |
. . . . 5
    
 
                              |
| 52 | 3, 28, 29, 29, 51 | gsumcom3fi 20206 |
. . . 4
 
  g   g                                   g   g                                    |
| 53 | 5 | ad2antrr 762 |
. . . . . . . . 9
       |
| 54 | 6 | ad2antrr 762 |
. . . . . . . . 9
       |
| 55 | 11 | ad2antrr 762 |
. . . . . . . . 9
           |
| 56 | 13 | ad2antrr 762 |
. . . . . . . . 9
           |
| 57 | | simplr 792 |
. . . . . . . . 9
       |
| 58 | | simpr 477 |
. . . . . . . . 9
       |
| 59 | 7, 3, 4, 53, 54, 54, 54, 55, 56, 57, 58 | mamufv 20193 |
. . . . . . . 8
            g                      |
| 60 | 59 | oveq1d 6665 |
. . . . . . 7
                         g                                 |
| 61 | | eqid 2622 |
. . . . . . . 8
         |
| 62 | | eqid 2622 |
. . . . . . . 8
       |
| 63 | 46 | adantlr 751 |
. . . . . . . 8
           |
| 64 | 5 | adantr 481 |
. . . . . . . . . 10
 
   |
| 65 | 64 | ad2antrr 762 |
. . . . . . . . 9
   


   |
| 66 | 32 | ad2antrr 762 |
. . . . . . . . . . 11
             |
| 67 | | simplr 792 |
. . . . . . . . . . 11
       |
| 68 | | simpr 477 |
. . . . . . . . . . 11
       |
| 69 | 66, 67, 68 | fovrnd 6806 |
. . . . . . . . . 10
           |
| 70 | 69 | adantlr 751 |
. . . . . . . . 9
   


       |
| 71 | 38 | adantr 481 |
. . . . . . . . . . 11
 
         |
| 72 | 71 | ad2antrr 762 |
. . . . . . . . . 10
   


         |
| 73 | | simpr 477 |
. . . . . . . . . 10
   


   |
| 74 | | simplr 792 |
. . . . . . . . . 10
   


   |
| 75 | 72, 73, 74 | fovrnd 6806 |
. . . . . . . . 9
   


       |
| 76 | 3, 4 | ringcl 18561 |
. . . . . . . . 9
                             |
| 77 | 65, 70, 75, 76 | syl3anc 1326 |
. . . . . . . 8
   


                   |
| 78 | | eqid 2622 |
. . . . . . . . 9
                                     |
| 79 | | ovexd 6680 |
. . . . . . . . 9
   


                   |
| 80 | | fvexd 6203 |
. . . . . . . . 9
           |
| 81 | 78, 54, 79, 80 | fsuppmptdm 8286 |
. . . . . . . 8
                       finSupp       |
| 82 | 3, 61, 62, 4, 53, 54, 63, 77, 81 | gsummulc1 18606 |
. . . . . . 7
      g                                  g                                 |
| 83 | 3, 4 | ringass 18564 |
. . . . . . . . . . 11
                                                                           |
| 84 | 30, 36, 41, 47, 83 | syl13anc 1328 |
. . . . . . . . . 10
    
 
                                                          |
| 85 | 84 | anassrs 680 |
. . . . . . . . 9
   


                                                           |
| 86 | 85 | mpteq2dva 4744 |
. . . . . . . 8
                                                                   |
| 87 | 86 | oveq2d 6666 |
. . . . . . 7
      g                                 g                                  |
| 88 | 60, 82, 87 | 3eqtr2d 2662 |
. . . . . 6
                        g                                  |
| 89 | 88 | mpteq2dva 4744 |
. . . . 5
 
                       g                                   |
| 90 | 89 | oveq2d 6666 |
. . . 4
 
  g     
                 g   g                                    |
| 91 | 5 | ad2antrr 762 |
. . . . . . . . 9
       |
| 92 | 6 | ad2antrr 762 |
. . . . . . . . 9
       |
| 93 | 12 | ad2antrr 762 |
. . . . . . . . 9
           |
| 94 | 16 | ad2antrr 762 |
. . . . . . . . 9
         |
| 95 | 1, 2, 3, 4, 91, 92, 93, 94, 68 | mavmulfv 20352 |
. . . . . . . 8
            g                      |
| 96 | 95 | oveq2d 6666 |
. . . . . . 7
                                   g                       |
| 97 | 64 | ad2antrr 762 |
. . . . . . . . 9
   


   |
| 98 | 71 | ad2antrr 762 |
. . . . . . . . . 10
   


         |
| 99 | | simplr 792 |
. . . . . . . . . 10
   


   |
| 100 | | simpr 477 |
. . . . . . . . . 10
   


   |
| 101 | 98, 99, 100 | fovrnd 6806 |
. . . . . . . . 9
   


       |
| 102 | 45 | ad2antrr 762 |
. . . . . . . . . 10
             |
| 103 | 102 | imp 445 |
. . . . . . . . 9
   


       |
| 104 | 97, 101, 103, 48 | syl3anc 1326 |
. . . . . . . 8
   


                   |
| 105 | | eqid 2622 |
. . . . . . . . 9
                                     |
| 106 | | ovexd 6680 |
. . . . . . . . 9
   


                   |
| 107 | | fvexd 6203 |
. . . . . . . . 9
           |
| 108 | 105, 92, 106, 107 | fsuppmptdm 8286 |
. . . . . . . 8
                       finSupp       |
| 109 | 3, 61, 62, 4, 91, 92, 69, 104, 108 | gsummulc2 18607 |
. . . . . . 7
      g                                            g                       |
| 110 | 96, 109 | eqtr4d 2659 |
. . . . . 6
                        g                                  |
| 111 | 110 | mpteq2dva 4744 |
. . . . 5
 
                       g                                   |
| 112 | 111 | oveq2d 6666 |
. . . 4
 
  g                       g   g                                    |
| 113 | 52, 90, 112 | 3eqtr4d 2666 |
. . 3
 
  g     
                 g                        |
| 114 | 15 | adantr 481 |
. . . 4
 
         |
| 115 | 16 | adantr 481 |
. . . 4
 
     |
| 116 | | simpr 477 |
. . . 4
 
   |
| 117 | 1, 2, 3, 4, 64, 29, 114, 115, 116 | mavmulfv 20352 |
. . 3
 
          g                        |
| 118 | 8 | adantr 481 |
. . . 4
 
       |
| 119 | 21 | adantr 481 |
. . . 4
 
       |
| 120 | 1, 2, 3, 4, 64, 29, 118, 119, 116 | mavmulfv 20352 |
. . 3
 
          g                        |
| 121 | 113, 117,
120 | 3eqtr4d 2666 |
. 2
 
                   |
| 122 | 20, 25, 121 | eqfnfvd 6314 |
1
           |