| Step | Hyp | Ref
| Expression |
| 1 | | simpl 473 |
. . . . . . . 8
     |
| 2 | 1 | anim1i 592 |
. . . . . . 7
    

   |
| 3 | 2 | adantr 481 |
. . . . . 6
    
          |
| 4 | | cply1coe0.k |
. . . . . . 7
     |
| 5 | | cply1coe0.0 |
. . . . . . 7
     |
| 6 | | cply1coe0.p |
. . . . . . 7
Poly1   |
| 7 | | cply1coe0.b |
. . . . . . 7
     |
| 8 | | cply1coe0.a |
. . . . . . 7
algSc   |
| 9 | 4, 5, 6, 7, 8 | cply1coe0 19669 |
. . . . . 6
     coe1          |
| 10 | 3, 9 | syl 17 |
. . . . 5
    
      
 coe1          |
| 11 | | fveq2 6191 |
. . . . . . . . 9
     coe1  coe1        |
| 12 | 11 | fveq1d 6193 |
. . . . . . . 8
      coe1      coe1           |
| 13 | 12 | eqeq1d 2624 |
. . . . . . 7
       coe1      coe1           |
| 14 | 13 | ralbidv 2986 |
. . . . . 6
      
 coe1       coe1           |
| 15 | 14 | adantl 482 |
. . . . 5
    
         coe1       coe1           |
| 16 | 10, 15 | mpbird 247 |
. . . 4
    
      
 coe1      |
| 17 | 16 | ex 450 |
. . 3
    
       coe1       |
| 18 | 17 | rexlimdva 3031 |
. 2
    
      coe1       |
| 19 | | simpr 477 |
. . . . . 6
     |
| 20 | | 0nn0 11307 |
. . . . . 6
 |
| 21 | | eqid 2622 |
. . . . . . 7
coe1  coe1   |
| 22 | 21, 7, 6, 4 | coe1fvalcl 19582 |
. . . . . 6
 
  coe1       |
| 23 | 19, 20, 22 | sylancl 694 |
. . . . 5
    coe1       |
| 24 | 23 | adantr 481 |
. . . 4
      coe1      coe1       |
| 25 | | fveq2 6191 |
. . . . . 6
  coe1             coe1        |
| 26 | 25 | eqeq2d 2632 |
. . . . 5
  coe1              coe1         |
| 27 | 26 | adantl 482 |
. . . 4
    
  coe1      coe1     
    
    coe1         |
| 28 | | eqid 2622 |
. . . . . . . . . 10
Scalar  Scalar   |
| 29 | 6 | ply1ring 19618 |
. . . . . . . . . 10

  |
| 30 | 6 | ply1lmod 19622 |
. . . . . . . . . 10

  |
| 31 | | eqid 2622 |
. . . . . . . . . 10
   Scalar      Scalar    |
| 32 | 8, 28, 29, 30, 31, 7 | asclf 19337 |
. . . . . . . . 9

     Scalar       |
| 33 | 32 | adantr 481 |
. . . . . . . 8
        Scalar       |
| 34 | | eqid 2622 |
. . . . . . . . . . 11
         |
| 35 | 21, 7, 6, 34 | coe1fvalcl 19582 |
. . . . . . . . . 10
 
  coe1           |
| 36 | 19, 20, 35 | sylancl 694 |
. . . . . . . . 9
    coe1           |
| 37 | 6 | ply1sca 19623 |
. . . . . . . . . . . 12

Scalar    |
| 38 | 37 | eqcomd 2628 |
. . . . . . . . . . 11

Scalar    |
| 39 | 38 | fveq2d 6195 |
. . . . . . . . . 10

   Scalar         |
| 40 | 39 | adantr 481 |
. . . . . . . . 9
      Scalar         |
| 41 | 36, 40 | eleqtrrd 2704 |
. . . . . . . 8
    coe1        Scalar     |
| 42 | 33, 41 | ffvelrnd 6360 |
. . . . . . 7
       coe1        |
| 43 | 1, 19, 42 | 3jca 1242 |
. . . . . 6
   
    coe1         |
| 44 | 43 | adantr 481 |
. . . . 5
      coe1     
    coe1         |
| 45 | | simpr 477 |
. . . . . . . . . 10
    

 coe1    
 coe1      |
| 46 | 6, 8, 4, 5 | coe1scl 19657 |
. . . . . . . . . . . . . . 15
   coe1     
coe1     coe1            coe1         |
| 47 | 23, 46 | syldan 487 |
. . . . . . . . . . . . . 14
   coe1     coe1            coe1         |
| 48 | 47 | adantr 481 |
. . . . . . . . . . . . 13
     coe1     coe1            coe1         |
| 49 | | nnne0 11053 |
. . . . . . . . . . . . . . . . . 18
   |
| 50 | 49 | neneqd 2799 |
. . . . . . . . . . . . . . . . 17

  |
| 51 | 50 | adantl 482 |
. . . . . . . . . . . . . . . 16
    
  |
| 52 | 51 | adantr 481 |
. . . . . . . . . . . . . . 15
    


  |
| 53 | | eqeq1 2626 |
. . . . . . . . . . . . . . . . 17
     |
| 54 | 53 | notbid 308 |
. . . . . . . . . . . . . . . 16
 
   |
| 55 | 54 | adantl 482 |
. . . . . . . . . . . . . . 15
    

 
   |
| 56 | 52, 55 | mpbird 247 |
. . . . . . . . . . . . . 14
    


  |
| 57 | 56 | iffalsed 4097 |
. . . . . . . . . . . . 13
    

     coe1       |
| 58 | | nnnn0 11299 |
. . . . . . . . . . . . . 14
   |
| 59 | 58 | adantl 482 |
. . . . . . . . . . . . 13
       |
| 60 | | fvex 6201 |
. . . . . . . . . . . . . . 15
     |
| 61 | 5, 60 | eqeltri 2697 |
. . . . . . . . . . . . . 14
 |
| 62 | 61 | a1i 11 |
. . . . . . . . . . . . 13
    
  |
| 63 | 48, 57, 59, 62 | fvmptd 6288 |
. . . . . . . . . . . 12
      coe1     coe1           |
| 64 | 63 | eqcomd 2628 |
. . . . . . . . . . 11
    
 coe1     coe1            |
| 65 | 64 | adantr 481 |
. . . . . . . . . 10
    

 coe1    
 coe1     coe1            |
| 66 | 45, 65 | eqtrd 2656 |
. . . . . . . . 9
    

 coe1    
 coe1      coe1     coe1            |
| 67 | 66 | ex 450 |
. . . . . . . 8
       coe1      coe1      coe1     coe1             |
| 68 | 67 | ralimdva 2962 |
. . . . . . 7
    
 coe1       coe1      coe1     coe1             |
| 69 | 68 | imp 445 |
. . . . . 6
      coe1       coe1      coe1     coe1            |
| 70 | 6, 8, 4 | ply1sclid 19658 |
. . . . . . . 8
   coe1     
 coe1      coe1     coe1            |
| 71 | 23, 70 | syldan 487 |
. . . . . . 7
    coe1      coe1     coe1            |
| 72 | 71 | adantr 481 |
. . . . . 6
      coe1      coe1      coe1     coe1            |
| 73 | | df-n0 11293 |
. . . . . . . 8

    |
| 74 | 73 | raleqi 3142 |
. . . . . . 7
 
 coe1      coe1     coe1         
       coe1      coe1     coe1            |
| 75 | | c0ex 10034 |
. . . . . . . 8
 |
| 76 | | fveq2 6191 |
. . . . . . . . . 10
  coe1      coe1       |
| 77 | | fveq2 6191 |
. . . . . . . . . 10
  coe1     coe1           coe1     coe1            |
| 78 | 76, 77 | eqeq12d 2637 |
. . . . . . . . 9
   coe1      coe1     coe1         
 coe1      coe1     coe1             |
| 79 | 78 | ralunsn 4422 |
. . . . . . . 8
  
      coe1      coe1     coe1         
 
 coe1      coe1     coe1           coe1      coe1     coe1              |
| 80 | 75, 79 | mp1i 13 |
. . . . . . 7
      coe1      
      coe1      coe1     coe1         
 
 coe1      coe1     coe1           coe1      coe1     coe1              |
| 81 | 74, 80 | syl5bb 272 |
. . . . . 6
      coe1      
 coe1      coe1     coe1         
 
 coe1      coe1     coe1           coe1      coe1     coe1              |
| 82 | 69, 72, 81 | mpbir2and 957 |
. . . . 5
      coe1       coe1      coe1     coe1            |
| 83 | | eqid 2622 |
. . . . . 6
coe1     coe1       coe1     coe1        |
| 84 | 6, 7, 21, 83 | eqcoe1ply1eq 19667 |
. . . . 5
 
    coe1      
 
 coe1      coe1     coe1         
    coe1         |
| 85 | 44, 82, 84 | sylc 65 |
. . . 4
      coe1         coe1        |
| 86 | 24, 27, 85 | rspcedvd 3317 |
. . 3
      coe1     
      |
| 87 | 86 | ex 450 |
. 2
    
 coe1     
       |
| 88 | 18, 87 | impbid 202 |
1
    
   
  coe1       |