| Step | Hyp | Ref
| Expression |
| 1 | | mdegaddle.y |
. . . . . . . . . 10
 mPoly   |
| 2 | | mdegaddle.b |
. . . . . . . . . 10
     |
| 3 | | eqid 2622 |
. . . . . . . . . 10
       |
| 4 | | mdegaddle.p |
. . . . . . . . . 10
    |
| 5 | | mdegaddle.f |
. . . . . . . . . 10
   |
| 6 | | mdegaddle.g |
. . . . . . . . . 10
   |
| 7 | 1, 2, 3, 4, 5, 6 | mpladd 19442 |
. . . . . . . . 9
             |
| 8 | 7 | fveq1d 6193 |
. . . . . . . 8
                     |
| 9 | 8 | adantr 481 |
. . . . . . 7
 
       
 
                    |
| 10 | | eqid 2622 |
. . . . . . . . . . 11
         |
| 11 | | eqid 2622 |
. . . . . . . . . . 11
       
           |
| 12 | 1, 10, 2, 11, 5 | mplelf 19433 |
. . . . . . . . . 10
          
         |
| 13 | | ffn 6045 |
. . . . . . . . . 10
                             |
| 14 | 12, 13 | syl 17 |
. . . . . . . . 9
        
   |
| 15 | 14 | adantr 481 |
. . . . . . . 8
 
       
 
       
   |
| 16 | 1, 10, 2, 11, 6 | mplelf 19433 |
. . . . . . . . . 10
          
         |
| 17 | | ffn 6045 |
. . . . . . . . . 10
                             |
| 18 | 16, 17 | syl 17 |
. . . . . . . . 9
        
   |
| 19 | 18 | adantr 481 |
. . . . . . . 8
 
       
 
       
   |
| 20 | | ovex 6678 |
. . . . . . . . . 10
   |
| 21 | 20 | rabex 4813 |
. . . . . . . . 9
       
  |
| 22 | 21 | a1i 11 |
. . . . . . . 8
 
       
 
           |
| 23 | | simpr 477 |
. . . . . . . 8
 
       
 
       
   |
| 24 | | fnfvof 6911 |
. . . . . . . 8
          
        
          
                                         |
| 25 | 15, 19, 22, 23, 24 | syl22anc 1327 |
. . . . . . 7
 
       
 
                             |
| 26 | 9, 25 | eqtrd 2656 |
. . . . . 6
 
       
 
                       |
| 27 | 26 | adantrr 753 |
. . . . 5
 
         
     
                         
ℂfld g                               |
| 28 | | mdegaddle.d |
. . . . . . . 8
 mDeg   |
| 29 | | eqid 2622 |
. . . . . . . 8
         |
| 30 | | eqid 2622 |
. . . . . . . 8
          ℂfld g             ℂfld g    |
| 31 | 5 | adantr 481 |
. . . . . . . 8
 
         
     
                         
ℂfld g          |
| 32 | | simprl 794 |
. . . . . . . 8
 
         
     
                         
ℂfld g               
   |
| 33 | 28, 1, 2 | mdegxrcl 23827 |
. . . . . . . . . . . . 13
       |
| 34 | 5, 33 | syl 17 |
. . . . . . . . . . . 12
       |
| 35 | 34 | adantr 481 |
. . . . . . . . . . 11
 
       
 
      |
| 36 | 28, 1, 2 | mdegxrcl 23827 |
. . . . . . . . . . . . . 14
       |
| 37 | 6, 36 | syl 17 |
. . . . . . . . . . . . 13
       |
| 38 | 37, 34 | ifcld 4131 |
. . . . . . . . . . . 12
                        |
| 39 | 38 | adantr 481 |
. . . . . . . . . . 11
 
       
 
     
                 |
| 40 | | nn0ssre 11296 |
. . . . . . . . . . . . 13
 |
| 41 | | ressxr 10083 |
. . . . . . . . . . . . 13
 |
| 42 | 40, 41 | sstri 3612 |
. . . . . . . . . . . 12
 |
| 43 | | mdegaddle.i |
. . . . . . . . . . . . . 14
   |
| 44 | 11, 30 | tdeglem1 23818 |
. . . . . . . . . . . . . 14
         
 ℂfld g            
     |
| 45 | 43, 44 | syl 17 |
. . . . . . . . . . . . 13
         
 ℂfld g                  |
| 46 | 45 | ffvelrnda 6359 |
. . . . . . . . . . . 12
 
       
 
         
 ℂfld g        |
| 47 | 42, 46 | sseldi 3601 |
. . . . . . . . . . 11
 
       
 
         
 ℂfld g        |
| 48 | 35, 39, 47 | 3jca 1242 |
. . . . . . . . . 10
 
       
 
          
              
         
 ℂfld g         |
| 49 | 48 | adantrr 753 |
. . . . . . . . 9
 
         
     
                         
ℂfld g            
     
              
         
 ℂfld g         |
| 50 | | xrmax1 12006 |
. . . . . . . . . . . 12
                                      |
| 51 | 34, 37, 50 | syl2anc 693 |
. . . . . . . . . . 11
    
     
                 |
| 52 | 51 | adantr 481 |
. . . . . . . . . 10
 
         
     
                         
ℂfld g                                   |
| 53 | | simprr 796 |
. . . . . . . . . 10
 
         
     
                         
ℂfld g                                       
ℂfld g        |
| 54 | 52, 53 | jca 554 |
. . . . . . . . 9
 
         
     
                         
ℂfld g                                       
                         
ℂfld g         |
| 55 | | xrlelttr 11987 |
. . . . . . . . 9
                                    
 ℂfld g                                                                
 ℂfld g      
             
 ℂfld g         |
| 56 | 49, 54, 55 | sylc 65 |
. . . . . . . 8
 
         
     
                         
ℂfld g                     
 ℂfld g        |
| 57 | 28, 1, 2, 29, 11, 30, 31, 32, 56 | mdeglt 23825 |
. . . . . . 7
 
         
     
                         
ℂfld g                  |
| 58 | 6 | adantr 481 |
. . . . . . . 8
 
         
     
                         
ℂfld g          |
| 59 | 37 | adantr 481 |
. . . . . . . . . . 11
 
       
 
      |
| 60 | 59, 39, 47 | 3jca 1242 |
. . . . . . . . . 10
 
       
 
          
              
         
 ℂfld g         |
| 61 | 60 | adantrr 753 |
. . . . . . . . 9
 
         
     
                         
ℂfld g            
     
              
         
 ℂfld g         |
| 62 | | xrmax2 12007 |
. . . . . . . . . . . 12
                                      |
| 63 | 34, 37, 62 | syl2anc 693 |
. . . . . . . . . . 11
    
     
                 |
| 64 | 63 | adantr 481 |
. . . . . . . . . 10
 
         
     
                         
ℂfld g                                   |
| 65 | 64, 53 | jca 554 |
. . . . . . . . 9
 
         
     
                         
ℂfld g                                       
                         
ℂfld g         |
| 66 | | xrlelttr 11987 |
. . . . . . . . 9
                                    
 ℂfld g                                                                
 ℂfld g      
             
 ℂfld g         |
| 67 | 61, 65, 66 | sylc 65 |
. . . . . . . 8
 
         
     
                         
ℂfld g                     
 ℂfld g        |
| 68 | 28, 1, 2, 29, 11, 30, 58, 32, 67 | mdeglt 23825 |
. . . . . . 7
 
         
     
                         
ℂfld g                  |
| 69 | 57, 68 | oveq12d 6668 |
. . . . . 6
 
         
     
                         
ℂfld g                                        |
| 70 | | mdegaddle.r |
. . . . . . . . 9
   |
| 71 | | ringgrp 18552 |
. . . . . . . . 9

  |
| 72 | 70, 71 | syl 17 |
. . . . . . . 8
   |
| 73 | 10, 29 | ring0cl 18569 |
. . . . . . . . 9

          |
| 74 | 70, 73 | syl 17 |
. . . . . . . 8
           |
| 75 | 10, 3, 29 | grplid 17452 |
. . . . . . . 8
                                |
| 76 | 72, 74, 75 | syl2anc 693 |
. . . . . . 7
                      |
| 77 | 76 | adantr 481 |
. . . . . 6
 
         
     
                         
ℂfld g                             |
| 78 | 69, 77 | eqtrd 2656 |
. . . . 5
 
         
     
                         
ℂfld g                             |
| 79 | 27, 78 | eqtrd 2656 |
. . . 4
 
         
     
                         
ℂfld g                    |
| 80 | 79 | expr 643 |
. . 3
 
       
 
                               
 ℂfld g                   |
| 81 | 80 | ralrimiva 2966 |
. 2
         
                                 
ℂfld g                   |
| 82 | 1 | mplring 19452 |
. . . . 5
 

  |
| 83 | 43, 70, 82 | syl2anc 693 |
. . . 4
   |
| 84 | 2, 4 | ringacl 18578 |
. . . 4
 
     |
| 85 | 83, 5, 6, 84 | syl3anc 1326 |
. . 3
     |
| 86 | 28, 1, 2, 29, 11, 30 | mdegleb 23824 |
. . 3
                              
 
     
              
         
                               
 ℂfld g                    |
| 87 | 85, 38, 86 | syl2anc 693 |
. 2
     
 
     
              
         
                               
 ℂfld g                    |
| 88 | 81, 87 | mpbird 247 |
1
                              |