| Step | Hyp | Ref
| Expression |
| 1 | | eqid 2196 |
. . . . 5
         |
| 2 | | eqid 2196 |
. . . . 5
         |
| 3 | 1, 2 | mhm0 13110 |
. . . 4
  MndHom 
              |
| 4 | 3 | ad2antrr 488 |
. . 3
    MndHom 
Word 
               |
| 5 | | oveq2 5931 |
. . . . . 6

 g   g    |
| 6 | 5 | adantl 277 |
. . . . 5
    MndHom 
Word 
  g   g    |
| 7 | | mhmrcl1 13105 |
. . . . . . 7
  MndHom 
  |
| 8 | 7 | ad2antrr 488 |
. . . . . 6
    MndHom 
Word 

  |
| 9 | 1 | gsum0g 13049 |
. . . . . 6
  g 
      |
| 10 | 8, 9 | syl 14 |
. . . . 5
    MndHom 
Word 
  g 
      |
| 11 | 6, 10 | eqtrd 2229 |
. . . 4
    MndHom 
Word 
  g        |
| 12 | 11 | fveq2d 5563 |
. . 3
    MndHom 
Word 
     g             |
| 13 | | coeq2 4825 |
. . . . . . 7

      |
| 14 | | co02 5184 |
. . . . . . 7
   |
| 15 | 13, 14 | eqtrdi 2245 |
. . . . . 6

    |
| 16 | 15 | oveq2d 5939 |
. . . . 5

 g 
   g    |
| 17 | 16 | adantl 277 |
. . . 4
    MndHom 
Word 
  g     g    |
| 18 | | mhmrcl2 13106 |
. . . . . 6
  MndHom 
  |
| 19 | 18 | ad2antrr 488 |
. . . . 5
    MndHom 
Word 

  |
| 20 | 2 | gsum0g 13049 |
. . . . 5
  g 
      |
| 21 | 19, 20 | syl 14 |
. . . 4
    MndHom 
Word 
  g 
      |
| 22 | 17, 21 | eqtrd 2229 |
. . 3
    MndHom 
Word 
  g          |
| 23 | 4, 12, 22 | 3eqtr4d 2239 |
. 2
    MndHom 
Word 
     g    g      |
| 24 | 7 | ad2antrr 488 |
. . . . 5
    MndHom 
Word 

  |
| 25 | | gsumwmhm.b |
. . . . . . 7
     |
| 26 | | eqid 2196 |
. . . . . . 7
       |
| 27 | 25, 26 | mndcl 13074 |
. . . . . 6
 
          |
| 28 | 27 | 3expb 1206 |
. . . . 5
  
           |
| 29 | 24, 28 | sylan 283 |
. . . 4
     MndHom  Word 
             |
| 30 | | wrdf 10943 |
. . . . . . 7
 Word    ..^ ♯       |
| 31 | 30 | ad2antlr 489 |
. . . . . 6
    MndHom 
Word 
    ..^ ♯       |
| 32 | | wrdfin 10956 |
. . . . . . . . . . . 12
 Word   |
| 33 | 32 | adantl 277 |
. . . . . . . . . . 11
   MndHom  Word    |
| 34 | | hashnncl 10889 |
. . . . . . . . . . 11
  ♯ 
   |
| 35 | 33, 34 | syl 14 |
. . . . . . . . . 10
   MndHom  Word   ♯ 
   |
| 36 | 35 | biimpar 297 |
. . . . . . . . 9
    MndHom 
Word 
 ♯    |
| 37 | 36 | nnzd 9449 |
. . . . . . . 8
    MndHom 
Word 
 ♯    |
| 38 | | fzoval 10225 |
. . . . . . . 8
 ♯   ..^ ♯       ♯      |
| 39 | 37, 38 | syl 14 |
. . . . . . 7
    MndHom 
Word 
  ..^ ♯       ♯      |
| 40 | 39 | feq2d 5396 |
. . . . . 6
    MndHom 
Word 
     ..^ ♯    
      ♯         |
| 41 | 31, 40 | mpbid 147 |
. . . . 5
    MndHom 
Word 
       ♯        |
| 42 | 41 | ffvelcdmda 5698 |
. . . 4
     MndHom  Word 
     ♯           |
| 43 | | nnm1nn0 9292 |
. . . . . 6
 ♯   ♯     |
| 44 | 36, 43 | syl 14 |
. . . . 5
    MndHom 
Word 
  ♯     |
| 45 | | nn0uz 9638 |
. . . . 5
     |
| 46 | 44, 45 | eleqtrdi 2289 |
. . . 4
    MndHom 
Word 
  ♯         |
| 47 | | eqid 2196 |
. . . . . . 7
       |
| 48 | 25, 26, 47 | mhmlin 13109 |
. . . . . 6
   MndHom 
      
                      |
| 49 | 48 | 3expb 1206 |
. . . . 5
   MndHom  
 
                            |
| 50 | 49 | ad4ant14 514 |
. . . 4
     MndHom  Word 
                                |
| 51 | 41 | ffnd 5409 |
. . . . . 6
    MndHom 
Word 

    ♯      |
| 52 | | fvco2 5631 |
. . . . . 6
      ♯        ♯                     |
| 53 | 51, 52 | sylan 283 |
. . . . 5
     MndHom  Word 
     ♯                     |
| 54 | 53 | eqcomd 2202 |
. . . 4
     MndHom  Word 
     ♯                     |
| 55 | | simplr 528 |
. . . 4
    MndHom 
Word 

Word   |
| 56 | | coexg 5215 |
. . . . 5
   MndHom  Word  
   |
| 57 | 56 | adantr 276 |
. . . 4
    MndHom 
Word 
     |
| 58 | | plusgslid 12800 |
. . . . . . 7
 Slot      
  |
| 59 | 58 | slotex 12715 |
. . . . . 6
      |
| 60 | 7, 59 | syl 14 |
. . . . 5
  MndHom 
     |
| 61 | 60 | ad2antrr 488 |
. . . 4
    MndHom 
Word 
 
    |
| 62 | 58 | slotex 12715 |
. . . . . 6
      |
| 63 | 18, 62 | syl 14 |
. . . . 5
  MndHom 
     |
| 64 | 63 | ad2antrr 488 |
. . . 4
    MndHom 
Word 
 
    |
| 65 | 29, 42, 46, 50, 54, 55, 57, 61, 64 | seqhomog 10624 |
. . 3
    MndHom 
Word 
               ♯                  ♯      |
| 66 | 25, 26, 24, 46, 41 | gsumval2 13050 |
. . . 4
    MndHom 
Word 
  g             ♯      |
| 67 | 66 | fveq2d 5563 |
. . 3
    MndHom 
Word 
     g                 ♯       |
| 68 | | eqid 2196 |
. . . 4
         |
| 69 | 18 | ad2antrr 488 |
. . . 4
    MndHom 
Word 

  |
| 70 | 25, 68 | mhmf 13107 |
. . . . . 6
  MndHom 
          |
| 71 | 70 | ad2antrr 488 |
. . . . 5
    MndHom 
Word 
           |
| 72 | | fco 5424 |
. . . . 5
                ♯               ♯            |
| 73 | 71, 41, 72 | syl2anc 411 |
. . . 4
    MndHom 
Word 
         ♯            |
| 74 | 68, 47, 69, 46, 73 | gsumval2 13050 |
. . 3
    MndHom 
Word 
  g                 ♯      |
| 75 | 65, 67, 74 | 3eqtr4d 2239 |
. 2
    MndHom 
Word 
     g    g      |
| 76 | | fin0or 6948 |
. . . 4
 

   |
| 77 | | n0r 3465 |
. . . . 5
    |
| 78 | 77 | orim2i 762 |
. . . 4
  

    |
| 79 | 76, 78 | syl 14 |
. . 3
 
   |
| 80 | 33, 79 | syl 14 |
. 2
   MndHom  Word  
   |
| 81 | 23, 75, 80 | mpjaodan 799 |
1
   MndHom  Word      g    g      |