| Step | Hyp | Ref
| Expression |
| 1 | | elfznn0 12433 |
. . 3
    deg  
  |
| 2 | | elqaa.6 |
. . . . 5
     deg    |
| 3 | 2 | fveq2i 6194 |
. . . 4
                            deg     |
| 4 | | nnmulcl 11043 |
. . . . . 6
 
     |
| 5 | 4 | adantl 482 |
. . . . 5
    
 
    |
| 6 | | elfznn0 12433 |
. . . . . 6
    deg  
  |
| 7 | | elqaa.1 |
. . . . . . . . 9
   |
| 8 | | elqaa.2 |
. . . . . . . . 9
  Poly        |
| 9 | | elqaa.3 |
. . . . . . . . 9
       |
| 10 | | elqaa.4 |
. . . . . . . . 9
coeff   |
| 11 | | elqaa.5 |
. . . . . . . . 9
 inf         
   |
| 12 | 7, 8, 9, 10, 11, 2 | elqaalem1 24074 |
. . . . . . . 8
 

                  |
| 13 | 12 | simpld 475 |
. . . . . . 7
 

      |
| 14 | 13 | adantlr 751 |
. . . . . 6
           |
| 15 | 6, 14 | sylan2 491 |
. . . . 5
       deg          |
| 16 | | eldifi 3732 |
. . . . . . . 8
  Poly 
   
Poly    |
| 17 | | dgrcl 23989 |
. . . . . . . 8
 Poly  deg    |
| 18 | 8, 16, 17 | 3syl 18 |
. . . . . . 7
 deg    |
| 19 | | nn0uz 11722 |
. . . . . . 7
     |
| 20 | 18, 19 | syl6eleq 2711 |
. . . . . 6
 deg        |
| 21 | 20 | adantr 481 |
. . . . 5
 

deg        |
| 22 | | nnz 11399 |
. . . . . . . . . 10
   |
| 23 | 22 | ad2antrl 764 |
. . . . . . . . 9
    
 
  |
| 24 | 7, 8, 9, 10, 11, 2 | elqaalem1 24074 |
. . . . . . . . . . 11
 

                  |
| 25 | 24 | simpld 475 |
. . . . . . . . . 10
 

      |
| 26 | 25 | adantr 481 |
. . . . . . . . 9
    
 
      |
| 27 | 23, 26 | zmodcld 12691 |
. . . . . . . 8
    
 
        |
| 28 | 27 | nn0zd 11480 |
. . . . . . 7
    
 
        |
| 29 | | nnz 11399 |
. . . . . . . . . 10
   |
| 30 | 29 | ad2antll 765 |
. . . . . . . . 9
    
 
  |
| 31 | 30, 26 | zmodcld 12691 |
. . . . . . . 8
    
 
        |
| 32 | 31 | nn0zd 11480 |
. . . . . . 7
    
 
        |
| 33 | 26 | nnrpd 11870 |
. . . . . . 7
    
 
      |
| 34 | | nnre 11027 |
. . . . . . . . 9
   |
| 35 | 34 | ad2antrl 764 |
. . . . . . . 8
    
 
  |
| 36 | | modabs2 12704 |
. . . . . . . 8
             
             |
| 37 | 35, 33, 36 | syl2anc 693 |
. . . . . . 7
    
 
 
                  |
| 38 | | nnre 11027 |
. . . . . . . . 9
   |
| 39 | 38 | ad2antll 765 |
. . . . . . . 8
    
 
  |
| 40 | | modabs2 12704 |
. . . . . . . 8
             
             |
| 41 | 39, 33, 40 | syl2anc 693 |
. . . . . . 7
    
 
 
                  |
| 42 | 28, 23, 32, 30, 33, 37, 41 | modmul12d 12724 |
. . . . . 6
    
 
                              |
| 43 | | oveq1 6657 |
. . . . . . . . . 10
 
             |
| 44 | | eqid 2622 |
. . . . . . . . . 10
                 |
| 45 | | ovex 6678 |
. . . . . . . . . 10
       |
| 46 | 43, 44, 45 | fvmpt 6282 |
. . . . . . . . 9
                     |
| 47 | 46 | ad2antrl 764 |
. . . . . . . 8
    
 
                    |
| 48 | | oveq1 6657 |
. . . . . . . . . 10
 
             |
| 49 | | ovex 6678 |
. . . . . . . . . 10
       |
| 50 | 48, 44, 49 | fvmpt 6282 |
. . . . . . . . 9
                     |
| 51 | 50 | ad2antll 765 |
. . . . . . . 8
    
 
                    |
| 52 | 47, 51 | oveq12d 6668 |
. . . . . . 7
    
 
                                              |
| 53 | | oveq12 6659 |
. . . . . . . . . 10
       
                         |
| 54 | 53 | oveq1d 6665 |
. . . . . . . . 9
       
                                     |
| 55 | | elqaa.7 |
. . . . . . . . 9
 
          |
| 56 | | ovex 6678 |
. . . . . . . . 9
                     |
| 57 | 54, 55, 56 | ovmpt2a 6791 |
. . . . . . . 8
                                                     |
| 58 | 45, 49, 57 | mp2an 708 |
. . . . . . 7
                                     |
| 59 | 52, 58 | syl6eq 2672 |
. . . . . 6
    
 
                                                  |
| 60 | | oveq1 6657 |
. . . . . . . 8
   
               |
| 61 | | ovex 6678 |
. . . . . . . 8
         |
| 62 | 60, 44, 61 | fvmpt 6282 |
. . . . . . 7
                           |
| 63 | 5, 62 | syl 17 |
. . . . . 6
    
 
                        |
| 64 | 42, 59, 63 | 3eqtr4rd 2667 |
. . . . 5
    
 
                                            |
| 65 | | oveq1 6657 |
. . . . . . . . 9
     
                 |
| 66 | | ovex 6678 |
. . . . . . . . 9
           |
| 67 | 65, 44, 66 | fvmpt 6282 |
. . . . . . . 8
                                 |
| 68 | 14, 67 | syl 17 |
. . . . . . 7
                                 |
| 69 | | fveq2 6191 |
. . . . . . . . . 10
           |
| 70 | 69 | oveq1d 6665 |
. . . . . . . . 9
     
                 |
| 71 | | eqid 2622 |
. . . . . . . . 9

                        |
| 72 | 70, 71, 66 | fvmpt 6282 |
. . . . . . . 8

                            |
| 73 | 72 | adantl 482 |
. . . . . . 7
                                 |
| 74 | 68, 73 | eqtr4d 2659 |
. . . . . 6
                                       |
| 75 | 6, 74 | sylan2 491 |
. . . . 5
       deg                                      |
| 76 | 5, 15, 21, 64, 75 | seqhomo 12848 |
. . . 4
 

                deg                       deg     |
| 77 | 3, 76 | syl5eq 2668 |
. . 3
 

                               deg     |
| 78 | 1, 77 | sylan2 491 |
. 2
 
   deg                    
              deg     |
| 79 | | 0zd 11389 |
. . . . . . . 8
   |
| 80 | 4 | adantl 482 |
. . . . . . . 8
 
       |
| 81 | 19, 79, 13, 80 | seqf 12822 |
. . . . . . 7
          |
| 82 | 81, 18 | ffvelrnd 6360 |
. . . . . 6
      deg     |
| 83 | 2, 82 | syl5eqel 2705 |
. . . . 5
   |
| 84 | 83 | adantr 481 |
. . . 4
 

  |
| 85 | | oveq1 6657 |
. . . . 5
 
             |
| 86 | | ovex 6678 |
. . . . 5
       |
| 87 | 85, 44, 86 | fvmpt 6282 |
. . . 4
                     |
| 88 | 84, 87 | syl 17 |
. . 3
 

                    |
| 89 | 1, 88 | sylan2 491 |
. 2
 
   deg                        |
| 90 | | vex 3203 |
. . . . 5
 |
| 91 | | vex 3203 |
. . . . 5
 |
| 92 | | oveq12 6659 |
. . . . . . 7
 
       |
| 93 | 92 | oveq1d 6665 |
. . . . . 6
 
                   |
| 94 | 93, 55, 61 | ovmpt2a 6791 |
. . . . 5
 
               |
| 95 | 90, 91, 94 | mp2an 708 |
. . . 4
             |
| 96 | | nn0mulcl 11329 |
. . . . . 6
 
     |
| 97 | 96 | nn0zd 11480 |
. . . . 5
 
     |
| 98 | 1, 25 | sylan2 491 |
. . . . 5
 
   deg          |
| 99 | | zmodcl 12690 |
. . . . 5
                   |
| 100 | 97, 98, 99 | syl2anr 495 |
. . . 4
      deg    
    
       |
| 101 | 95, 100 | syl5eqel 2705 |
. . 3
      deg    
        |
| 102 | | fveq2 6191 |
. . . . . . . . . . . . . . . . 17
           |
| 103 | 102 | oveq1d 6665 |
. . . . . . . . . . . . . . . 16
               |
| 104 | 103 | eleq1d 2686 |
. . . . . . . . . . . . . . 15
       
         |
| 105 | 104 | rabbidv 3189 |
. . . . . . . . . . . . . 14
                   |
| 106 | 105 | infeq1d 8383 |
. . . . . . . . . . . . 13
 inf           inf             |
| 107 | 106 | cbvmptv 4750 |
. . . . . . . . . . . 12

inf            
inf             |
| 108 | 11, 107 | eqtri 2644 |
. . . . . . . . . . 11
 inf         
   |
| 109 | 7, 8, 9, 10, 108, 2 | elqaalem1 24074 |
. . . . . . . . . 10
 

                  |
| 110 | 109 | simpld 475 |
. . . . . . . . 9
 

      |
| 111 | 110 | adantlr 751 |
. . . . . . . 8
           |
| 112 | 111 | nnzd 11481 |
. . . . . . 7
           |
| 113 | 25 | adantr 481 |
. . . . . . 7
           |
| 114 | 112, 113 | zmodcld 12691 |
. . . . . 6
         
       |
| 115 | 114, 71 | fmptd 6385 |
. . . . 5
 

                  |
| 116 | 1, 115 | sylan2 491 |
. . . 4
 
   deg                      |
| 117 | | ffvelrn 6357 |
. . . 4
                    
                |
| 118 | 116, 6, 117 | syl2an 494 |
. . 3
      deg       deg     
                |
| 119 | | c0ex 10034 |
. . . . 5
 |
| 120 | | oveq12 6659 |
. . . . . . 7
         |
| 121 | 120 | oveq1d 6665 |
. . . . . 6
             
       |
| 122 | | ovex 6678 |
. . . . . 6
         |
| 123 | 121, 55, 122 | ovmpt2a 6791 |
. . . . 5
 
               |
| 124 | 119, 90, 123 | mp2an 708 |
. . . 4
             |
| 125 | | nn0cn 11302 |
. . . . . . 7

  |
| 126 | 125 | mul02d 10234 |
. . . . . 6

    |
| 127 | 126 | oveq1d 6665 |
. . . . 5

                |
| 128 | 98 | nnrpd 11870 |
. . . . . 6
 
   deg          |
| 129 | | 0mod 12701 |
. . . . . 6
    
        |
| 130 | 128, 129 | syl 17 |
. . . . 5
 
   deg            |
| 131 | 127, 130 | sylan9eqr 2678 |
. . . 4
      deg               |
| 132 | 124, 131 | syl5eq 2668 |
. . 3
      deg           |
| 133 | | oveq12 6659 |
. . . . . . 7
 
       |
| 134 | 133 | oveq1d 6665 |
. . . . . 6
 
                   |
| 135 | | ovex 6678 |
. . . . . 6
         |
| 136 | 134, 55, 135 | ovmpt2a 6791 |
. . . . 5
 
               |
| 137 | 90, 119, 136 | mp2an 708 |
. . . 4
             |
| 138 | 125 | mul01d 10235 |
. . . . . 6

    |
| 139 | 138 | oveq1d 6665 |
. . . . 5

                |
| 140 | 139, 130 | sylan9eqr 2678 |
. . . 4
      deg               |
| 141 | 137, 140 | syl5eq 2668 |
. . 3
      deg           |
| 142 | | simpr 477 |
. . 3
 
   deg       deg     |
| 143 | 18 | adantr 481 |
. . 3
 
   deg    deg    |
| 144 | 1 | adantl 482 |
. . . . 5
 
   deg      |
| 145 | | fveq2 6191 |
. . . . . . 7
           |
| 146 | 145 | oveq1d 6665 |
. . . . . 6
     
                 |
| 147 | | ovex 6678 |
. . . . . 6
           |
| 148 | 146, 71, 147 | fvmpt 6282 |
. . . . 5

                            |
| 149 | 144, 148 | syl 17 |
. . . 4
 
   deg     
                          |
| 150 | 98 | nncnd 11036 |
. . . . . . 7
 
   deg          |
| 151 | 98 | nnne0d 11065 |
. . . . . . 7
 
   deg          |
| 152 | 150, 151 | dividd 10799 |
. . . . . 6
 
   deg                |
| 153 | | 1z 11407 |
. . . . . 6
 |
| 154 | 152, 153 | syl6eqel 2709 |
. . . . 5
 
   deg                |
| 155 | 98 | nnred 11035 |
. . . . . 6
 
   deg          |
| 156 | | mod0 12675 |
. . . . . 6
                                   |
| 157 | 155, 128,
156 | syl2anc 693 |
. . . . 5
 
   deg                            |
| 158 | 154, 157 | mpbird 247 |
. . . 4
 
   deg                |
| 159 | 149, 158 | eqtrd 2656 |
. . 3
 
   deg     
                |
| 160 | 101, 118,
132, 141, 142, 143, 159 | seqz 12849 |
. 2
 
   deg                       deg     |
| 161 | 78, 89, 160 | 3eqtr3d 2664 |
1
 
   deg            |