| Step | Hyp | Ref
| Expression |
| 1 | | ssid 3624 |
. . . . 5
 |
| 2 | | plyconst 23962 |
. . . . 5
 
     Poly    |
| 3 | 1, 2 | mpan 706 |
. . . 4
     Poly    |
| 4 | | plyssc 23956 |
. . . . 5
Poly  Poly   |
| 5 | 4 | sseli 3599 |
. . . 4
 Poly 
Poly    |
| 6 | | plymulcl 23977 |
. . . 4
      Poly  Poly  
       Poly    |
| 7 | 3, 5, 6 | syl2an 494 |
. . 3
 
Poly          Poly    |
| 8 | | eqid 2622 |
. . . 4
coeff         coeff          |
| 9 | 8 | coef3 23988 |
. . 3
        Poly  coeff               |
| 10 | | ffn 6045 |
. . 3
 coeff             coeff           |
| 11 | 7, 9, 10 | 3syl 18 |
. 2
 
Poly   coeff           |
| 12 | | fconstg 6092 |
. . . . 5
             |
| 13 | 12 | adantr 481 |
. . . 4
 
Poly               |
| 14 | | ffn 6045 |
. . . 4
                 |
| 15 | 13, 14 | syl 17 |
. . 3
 
Poly         |
| 16 | | eqid 2622 |
. . . . . 6
coeff  coeff   |
| 17 | 16 | coef3 23988 |
. . . . 5
 Poly 
coeff        |
| 18 | 17 | adantl 482 |
. . . 4
 
Poly   coeff        |
| 19 | | ffn 6045 |
. . . 4
 coeff      coeff    |
| 20 | 18, 19 | syl 17 |
. . 3
 
Poly   coeff    |
| 21 | | nn0ex 11298 |
. . . 4
 |
| 22 | 21 | a1i 11 |
. . 3
 
Poly     |
| 23 | | inidm 3822 |
. . 3
   |
| 24 | 15, 20, 22, 22, 23 | offn 6908 |
. 2
 
Poly    
    coeff     |
| 25 | 3 | ad2antrr 762 |
. . . . . 6
   Poly  
     Poly    |
| 26 | | eqid 2622 |
. . . . . . 7
coeff 
    coeff       |
| 27 | 26 | coefv0 24004 |
. . . . . 6
     Poly           coeff           |
| 28 | 25, 27 | syl 17 |
. . . . 5
   Poly  
          coeff           |
| 29 | | simpll 790 |
. . . . . 6
   Poly  

  |
| 30 | | 0cn 10032 |
. . . . . 6
 |
| 31 | | fvconst2g 6467 |
. . . . . 6
 
           |
| 32 | 29, 30, 31 | sylancl 694 |
. . . . 5
   Poly  
           |
| 33 | 28, 32 | eqtr3d 2658 |
. . . 4
   Poly  
  coeff           |
| 34 | | simpr 477 |
. . . . . . 7
   Poly  

  |
| 35 | 34 | nn0cnd 11353 |
. . . . . 6
   Poly  

  |
| 36 | 35 | subid1d 10381 |
. . . . 5
   Poly  
     |
| 37 | 36 | fveq2d 6195 |
. . . 4
   Poly  
  coeff        coeff       |
| 38 | 33, 37 | oveq12d 6668 |
. . 3
   Poly  
   coeff 
        coeff          coeff        |
| 39 | 5 | ad2antlr 763 |
. . . . 5
   Poly  

Poly    |
| 40 | 26, 16 | coemul 24008 |
. . . . 5
      Poly  Poly 
  coeff                    coeff 
        coeff          |
| 41 | 25, 39, 34, 40 | syl3anc 1326 |
. . . 4
   Poly  
  coeff                    coeff 
        coeff          |
| 42 | | nn0uz 11722 |
. . . . . . 7
     |
| 43 | 34, 42 | syl6eleq 2711 |
. . . . . 6
   Poly  

      |
| 44 | | fzss2 12381 |
. . . . . 6
    
          |
| 45 | 43, 44 | syl 17 |
. . . . 5
   Poly  
    
      |
| 46 | | elfz1eq 12352 |
. . . . . . . 8
       |
| 47 | 46 | adantl 482 |
. . . . . . 7
    Poly  
        |
| 48 | | fveq2 6191 |
. . . . . . . 8
  coeff          coeff 
         |
| 49 | | oveq2 6658 |
. . . . . . . . 9
       |
| 50 | 49 | fveq2d 6195 |
. . . . . . . 8
  coeff        coeff         |
| 51 | 48, 50 | oveq12d 6668 |
. . . . . . 7
   coeff          coeff          coeff          coeff          |
| 52 | 47, 51 | syl 17 |
. . . . . 6
    Poly  
        coeff          coeff          coeff          coeff          |
| 53 | 18 | ffvelrnda 6359 |
. . . . . . . . 9
   Poly  
  coeff       |
| 54 | 29, 53 | mulcld 10060 |
. . . . . . . 8
   Poly  
   coeff        |
| 55 | 38, 54 | eqeltrd 2701 |
. . . . . . 7
   Poly  
   coeff 
        coeff          |
| 56 | 55 | adantr 481 |
. . . . . 6
    Poly  
        coeff          coeff          |
| 57 | 52, 56 | eqeltrd 2701 |
. . . . 5
    Poly  
        coeff          coeff          |
| 58 | | eldifn 3733 |
. . . . . . . . 9
          
      |
| 59 | 58 | adantl 482 |
. . . . . . . 8
    Poly  
           
      |
| 60 | | eldifi 3732 |
. . . . . . . . . . . . 13
                 |
| 61 | | elfznn0 12433 |
. . . . . . . . . . . . 13
       |
| 62 | 60, 61 | syl 17 |
. . . . . . . . . . . 12
             |
| 63 | | eqid 2622 |
. . . . . . . . . . . . . 14
deg 
    deg       |
| 64 | 26, 63 | dgrub 23990 |
. . . . . . . . . . . . 13
      Poly   coeff         
deg        |
| 65 | 64 | 3expia 1267 |
. . . . . . . . . . . 12
      Poly     coeff        
deg         |
| 66 | 25, 62, 65 | syl2an 494 |
. . . . . . . . . . 11
    Poly  
           
  coeff         deg         |
| 67 | | 0dgr 24001 |
. . . . . . . . . . . . . 14
 deg        |
| 68 | 67 | ad3antrrr 766 |
. . . . . . . . . . . . 13
    Poly  
           
deg        |
| 69 | 68 | breq2d 4665 |
. . . . . . . . . . . 12
    Poly  
           
 deg         |
| 70 | 62 | adantl 482 |
. . . . . . . . . . . . 13
    Poly  
           
  |
| 71 | | nn0le0eq0 11321 |
. . . . . . . . . . . . 13


   |
| 72 | 70, 71 | syl 17 |
. . . . . . . . . . . 12
    Poly  
           
    |
| 73 | 69, 72 | bitrd 268 |
. . . . . . . . . . 11
    Poly  
           
 deg         |
| 74 | 66, 73 | sylibd 229 |
. . . . . . . . . 10
    Poly  
           
  coeff            |
| 75 | | id 22 |
. . . . . . . . . . 11
   |
| 76 | | 0z 11388 |
. . . . . . . . . . . 12
 |
| 77 | | elfz3 12351 |
. . . . . . . . . . . 12
       |
| 78 | 76, 77 | ax-mp 5 |
. . . . . . . . . . 11
     |
| 79 | 75, 78 | syl6eqel 2709 |
. . . . . . . . . 10
       |
| 80 | 74, 79 | syl6 35 |
. . . . . . . . 9
    Poly  
           
  coeff                |
| 81 | 80 | necon1bd 2812 |
. . . . . . . 8
    Poly  
           

     coeff            |
| 82 | 59, 81 | mpd 15 |
. . . . . . 7
    Poly  
           
 coeff           |
| 83 | 82 | oveq1d 6665 |
. . . . . 6
    Poly  
           
  coeff          coeff          coeff          |
| 84 | 18 | adantr 481 |
. . . . . . . 8
   Poly  
 coeff        |
| 85 | | fznn0sub 12373 |
. . . . . . . . 9
         |
| 86 | 60, 85 | syl 17 |
. . . . . . . 8
               |
| 87 | | ffvelrn 6357 |
. . . . . . . 8
  coeff          coeff         |
| 88 | 84, 86, 87 | syl2an 494 |
. . . . . . 7
    Poly  
           
 coeff         |
| 89 | 88 | mul02d 10234 |
. . . . . 6
    Poly  
           
  coeff          |
| 90 | 83, 89 | eqtrd 2656 |
. . . . 5
    Poly  
           
  coeff          coeff          |
| 91 | | fzfid 12772 |
. . . . 5
   Poly  
       |
| 92 | 45, 57, 90, 91 | fsumss 14456 |
. . . 4
   Poly  
         coeff          coeff        
       coeff          coeff          |
| 93 | 51 | fsum1 14476 |
. . . . 5
    coeff 
        coeff                 coeff          coeff          coeff 
        coeff          |
| 94 | 76, 55, 93 | sylancr 695 |
. . . 4
   Poly  
         coeff          coeff          coeff          coeff          |
| 95 | 41, 92, 94 | 3eqtr2d 2662 |
. . 3
   Poly  
  coeff              coeff 
        coeff          |
| 96 | | simpl 473 |
. . . 4
 
Poly     |
| 97 | | eqidd 2623 |
. . . 4
   Poly  
  coeff      coeff       |
| 98 | 22, 96, 20, 97 | ofc1 6920 |
. . 3
   Poly  
        coeff        coeff        |
| 99 | 38, 95, 98 | 3eqtr4d 2666 |
. 2
   Poly  
  coeff                   coeff        |
| 100 | 11, 24, 99 | eqfnfvd 6314 |
1
 
Poly   coeff               coeff     |