| Step | Hyp | Ref
| Expression |
| 1 | | simpr 477 |
. . . . . 6
                           |
| 2 | | elmapi 7879 |
. . . . . . . 8
                 |
| 3 | | df-3 11080 |
. . . . . . . . . 10
   |
| 4 | | ssid 3624 |
. . . . . . . . . 10
         |
| 5 | 3, 4 | jm2.27dlem5 37580 |
. . . . . . . . 9
         |
| 6 | | 2nn 11185 |
. . . . . . . . . 10
 |
| 7 | 6 | jm2.27dlem3 37578 |
. . . . . . . . 9
     |
| 8 | 5, 7 | sselii 3600 |
. . . . . . . 8
     |
| 9 | | ffvelrn 6357 |
. . . . . . . 8
              
      |
| 10 | 2, 8, 9 | sylancl 694 |
. . . . . . 7
             |
| 11 | 10 | adantr 481 |
. . . . . 6
                       |
| 12 | | 3nn 11186 |
. . . . . . . . 9
 |
| 13 | 12 | jm2.27dlem3 37578 |
. . . . . . . 8
     |
| 14 | | ffvelrn 6357 |
. . . . . . . 8
              
      |
| 15 | 2, 13, 14 | sylancl 694 |
. . . . . . 7
             |
| 16 | 15 | adantr 481 |
. . . . . 6
                       |
| 17 | | rmxdiophlem 37582 |
. . . . . 6
                             Xrm             Yrm                                    |
| 18 | 1, 11, 16, 17 | syl3anc 1326 |
. . . . 5
                           Xrm     
      
Yrm                                    |
| 19 | 18 | pm5.32da 673 |
. . . 4
                          Xrm      
                Yrm                                     |
| 20 | | anass 681 |
. . . . . 6
          
     Yrm                                 
               Yrm                                    |
| 21 | 20 | rexbii 3041 |
. . . . 5
           
     Yrm                                 
                Yrm                                    |
| 22 | | r19.42v 3092 |
. . . . 5
                 Yrm                                 
                Yrm                                    |
| 23 | 21, 22 | bitr2i 265 |
. . . 4
          
      Yrm                                 
          
    
Yrm                                    |
| 24 | 19, 23 | syl6bb 276 |
. . 3
                          Xrm      
          
    
Yrm                                     |
| 25 | 24 | rabbiia 3185 |
. 2
                         Xrm                         
     Yrm                                    |
| 26 | | 3nn0 11310 |
. . 3
 |
| 27 | | vex 3203 |
. . . . . . . 8
 |
| 28 | 27 | resex 5443 |
. . . . . . 7
       |
| 29 | | fvex 6201 |
. . . . . . 7
     |
| 30 | | df-2 11079 |
. . . . . . . . . . . . . 14
   |
| 31 | 30, 5 | jm2.27dlem5 37580 |
. . . . . . . . . . . . 13
         |
| 32 | | 1nn 11031 |
. . . . . . . . . . . . . 14
 |
| 33 | 32 | jm2.27dlem3 37578 |
. . . . . . . . . . . . 13
     |
| 34 | 31, 33 | sselii 3600 |
. . . . . . . . . . . 12
     |
| 35 | 34 | jm2.27dlem1 37576 |
. . . . . . . . . . 11
                 |
| 36 | 35 | eleq1d 2686 |
. . . . . . . . . 10
               
           |
| 37 | 36 | adantr 481 |
. . . . . . . . 9
                     
           |
| 38 | | simpr 477 |
. . . . . . . . . 10
                   |
| 39 | 8 | jm2.27dlem1 37576 |
. . . . . . . . . . . 12
                 |
| 40 | 35, 39 | oveq12d 6668 |
. . . . . . . . . . 11
            Yrm           Yrm        |
| 41 | 40 | adantr 481 |
. . . . . . . . . 10
                 
Yrm          
Yrm        |
| 42 | 38, 41 | eqeq12d 2637 |
. . . . . . . . 9
                   Yrm     
        
Yrm         |
| 43 | 37, 42 | anbi12d 747 |
. . . . . . . 8
                      
     Yrm      
                  Yrm          |
| 44 | 13 | jm2.27dlem1 37576 |
. . . . . . . . . . . 12
                 |
| 45 | 44 | oveq1d 6665 |
. . . . . . . . . . 11
                         |
| 46 | 45 | adantr 481 |
. . . . . . . . . 10
                               |
| 47 | 35 | oveq1d 6665 |
. . . . . . . . . . . 12
                         |
| 48 | 47 | oveq1d 6665 |
. . . . . . . . . . 11
                             |
| 49 | | oveq1 6657 |
. . . . . . . . . . 11
                   |
| 50 | 48, 49 | oveqan12d 6669 |
. . . . . . . . . 10
                                                   |
| 51 | 46, 50 | oveq12d 6668 |
. . . . . . . . 9
                                                                       |
| 52 | 51 | eqeq1d 2624 |
. . . . . . . 8
                                                                         |
| 53 | 43, 52 | anbi12d 747 |
. . . . . . 7
                       
    
Yrm                                           
        
Yrm                                         |
| 54 | 28, 29, 53 | sbc2ie 3505 |
. . . . . 6
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)          
     Yrm                                 
                   Yrm                                        |
| 55 | 54 | a1i 11 |
. . . . 5
                ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)          
     Yrm                                 
                   Yrm                                         |
| 56 | 55 | rabbiia 3185 |
. . . 4
               ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)          
     Yrm                                                   
        
Yrm                                        |
| 57 | | 4nn0 11311 |
. . . . . 6
 |
| 58 | | rmydioph 37581 |
. . . . . 6
                         Yrm        Dioph   |
| 59 | | simp1 1061 |
. . . . . . . . 9
                                     |
| 60 | 59 | eleq1d 2686 |
. . . . . . . 8
                                               |
| 61 | | simp3 1063 |
. . . . . . . . 9
                                     |
| 62 | | simp2 1062 |
. . . . . . . . . 10
                                     |
| 63 | 59, 62 | oveq12d 6668 |
. . . . . . . . 9
                                Yrm           Yrm        |
| 64 | 61, 63 | eqeq12d 2637 |
. . . . . . . 8
                                    
Yrm     
        
Yrm         |
| 65 | 60, 64 | anbi12d 747 |
. . . . . . 7
                                    
        
Yrm                         Yrm          |
| 66 | | df-4 11081 |
. . . . . . . . . . 11
   |
| 67 | | ssid 3624 |
. . . . . . . . . . 11
         |
| 68 | 66, 67 | jm2.27dlem5 37580 |
. . . . . . . . . 10
         |
| 69 | 3, 68 | jm2.27dlem5 37580 |
. . . . . . . . 9
         |
| 70 | 30, 69 | jm2.27dlem5 37580 |
. . . . . . . 8
         |
| 71 | 70, 33 | sselii 3600 |
. . . . . . 7
     |
| 72 | 69, 7 | sselii 3600 |
. . . . . . 7
     |
| 73 | | 4nn 11187 |
. . . . . . . 8
 |
| 74 | 73 | jm2.27dlem3 37578 |
. . . . . . 7
     |
| 75 | 65, 71, 72, 74 | rabren3dioph 37379 |
. . . . . 6
                           Yrm        Dioph                            Yrm        Dioph    |
| 76 | 57, 58, 75 | mp2an 708 |
. . . . 5
                         Yrm        Dioph   |
| 77 | | ovex 6678 |
. . . . . . . . 9
     |
| 78 | 68, 13 | sselii 3600 |
. . . . . . . . 9
     |
| 79 | | mzpproj 37300 |
. . . . . . . . 9
     
                 mzPoly        |
| 80 | 77, 78, 79 | mp2an 708 |
. . . . . . . 8
            mzPoly       |
| 81 | | 2nn0 11309 |
. . . . . . . 8
 |
| 82 | | mzpexpmpt 37308 |
. . . . . . . 8
              mzPoly                       mzPoly        |
| 83 | 80, 81, 82 | mp2an 708 |
. . . . . . 7
                mzPoly       |
| 84 | | mzpproj 37300 |
. . . . . . . . . . 11
     
                 mzPoly        |
| 85 | 77, 71, 84 | mp2an 708 |
. . . . . . . . . 10
            mzPoly       |
| 86 | | mzpexpmpt 37308 |
. . . . . . . . . 10
              mzPoly                       mzPoly        |
| 87 | 85, 81, 86 | mp2an 708 |
. . . . . . . . 9
                mzPoly       |
| 88 | | 1z 11407 |
. . . . . . . . . 10
 |
| 89 | | mzpconstmpt 37303 |
. . . . . . . . . 10
     
         mzPoly        |
| 90 | 77, 88, 89 | mp2an 708 |
. . . . . . . . 9
        mzPoly       |
| 91 | | mzpsubmpt 37306 |
. . . . . . . . 9
                  mzPoly              mzPoly                         mzPoly        |
| 92 | 87, 90, 91 | mp2an 708 |
. . . . . . . 8
                  mzPoly       |
| 93 | | mzpproj 37300 |
. . . . . . . . . 10
     
                 mzPoly        |
| 94 | 77, 74, 93 | mp2an 708 |
. . . . . . . . 9
            mzPoly       |
| 95 | | mzpexpmpt 37308 |
. . . . . . . . 9
              mzPoly                       mzPoly        |
| 96 | 94, 81, 95 | mp2an 708 |
. . . . . . . 8
                mzPoly       |
| 97 | | mzpmulmpt 37305 |
. . . . . . . 8
                    mzPoly                      mzPoly                                   mzPoly        |
| 98 | 92, 96, 97 | mp2an 708 |
. . . . . . 7
                            mzPoly       |
| 99 | | mzpsubmpt 37306 |
. . . . . . 7
                  mzPoly                                  mzPoly                                             mzPoly        |
| 100 | 83, 98, 99 | mp2an 708 |
. . . . . 6
                                      mzPoly       |
| 101 | | eqrabdioph 37341 |
. . . . . 6
                                        mzPoly              mzPoly                                             Dioph    |
| 102 | 57, 100, 90, 101 | mp3an 1424 |
. . . . 5
                                      Dioph   |
| 103 | | anrabdioph 37344 |
. . . . 5
                           Yrm        Dioph                                        Dioph                             Yrm                                       Dioph    |
| 104 | 76, 102, 103 | mp2an 708 |
. . . 4
                          Yrm                                       Dioph   |
| 105 | 56, 104 | eqeltri 2697 |
. . 3
               ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)          
     Yrm                                   Dioph   |
| 106 | 66 | rexfrabdioph 37359 |
. . 3
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)          
     Yrm                                   Dioph                    
    
Yrm                                   Dioph    |
| 107 | 26, 105, 106 | mp2an 708 |
. 2
       
               Yrm                                   Dioph   |
| 108 | 25, 107 | eqeltri 2697 |
1
                         Xrm        Dioph   |