Proof of Theorem rabren3dioph
| Step | Hyp | Ref
| Expression |
| 1 | | vex 3203 |
. . . . . 6
 |
| 2 | | tpex 6957 |
. . . . . 6
  
           |
| 3 | 1, 2 | coex 7118 |
. . . . 5
                |
| 4 | | 1ne2 11240 |
. . . . . . . . . . 11
 |
| 5 | | 1re 10039 |
. . . . . . . . . . . 12
 |
| 6 | | 1lt3 11196 |
. . . . . . . . . . . 12
 |
| 7 | 5, 6 | ltneii 10150 |
. . . . . . . . . . 11
 |
| 8 | | 2re 11090 |
. . . . . . . . . . . 12
 |
| 9 | | 2lt3 11195 |
. . . . . . . . . . . 12
 |
| 10 | 8, 9 | ltneii 10150 |
. . . . . . . . . . 11
 |
| 11 | | 1ex 10035 |
. . . . . . . . . . . 12
 |
| 12 | | 2ex 11092 |
. . . . . . . . . . . 12
 |
| 13 | | 3ex 11096 |
. . . . . . . . . . . 12
 |
| 14 | | rabren3dioph.b |
. . . . . . . . . . . . 13
     |
| 15 | 14 | elexi 3213 |
. . . . . . . . . . . 12
 |
| 16 | | rabren3dioph.c |
. . . . . . . . . . . . 13
     |
| 17 | 16 | elexi 3213 |
. . . . . . . . . . . 12
 |
| 18 | | rabren3dioph.d |
. . . . . . . . . . . . 13
     |
| 19 | 18 | elexi 3213 |
. . . . . . . . . . . 12
 |
| 20 | 11, 12, 13, 15, 17, 19 | fntp 5949 |
. . . . . . . . . . 11
                      |
| 21 | 4, 7, 10, 20 | mp3an 1424 |
. . . . . . . . . 10
  
               |
| 22 | 11 | tpid1 4303 |
. . . . . . . . . 10
     |
| 23 | | fvco2 6273 |
. . . . . . . . . 10
                                                                  |
| 24 | 21, 22, 23 | mp2an 708 |
. . . . . . . . 9
    
                    
               |
| 25 | 11, 15 | fvtp1 6460 |
. . . . . . . . . . 11
      
               |
| 26 | 4, 7, 25 | mp2an 708 |
. . . . . . . . . 10
                  |
| 27 | 26 | fveq2i 6194 |
. . . . . . . . 9
      
                   |
| 28 | 24, 27 | eqtri 2644 |
. . . . . . . 8
    
                   |
| 29 | 12 | tpid2 4304 |
. . . . . . . . . 10
     |
| 30 | | fvco2 6273 |
. . . . . . . . . 10
                                                                  |
| 31 | 21, 29, 30 | mp2an 708 |
. . . . . . . . 9
    
                    
               |
| 32 | 12, 17 | fvtp2 6461 |
. . . . . . . . . . 11
      
               |
| 33 | 4, 10, 32 | mp2an 708 |
. . . . . . . . . 10
                  |
| 34 | 33 | fveq2i 6194 |
. . . . . . . . 9
      
                   |
| 35 | 31, 34 | eqtri 2644 |
. . . . . . . 8
    
                   |
| 36 | 13 | tpid3 4307 |
. . . . . . . . . 10
     |
| 37 | | fvco2 6273 |
. . . . . . . . . 10
                                                                  |
| 38 | 21, 36, 37 | mp2an 708 |
. . . . . . . . 9
    
                    
               |
| 39 | 13, 19 | fvtp3 6462 |
. . . . . . . . . . 11
      
               |
| 40 | 7, 10, 39 | mp2an 708 |
. . . . . . . . . 10
                  |
| 41 | 40 | fveq2i 6194 |
. . . . . . . . 9
      
                   |
| 42 | 38, 41 | eqtri 2644 |
. . . . . . . 8
    
                   |
| 43 | 28, 35, 42 | 3pm3.2i 1239 |
. . . . . . 7
                                                                        |
| 44 | | fveq1 6190 |
. . . . . . . . 9
                                         |
| 45 | 44 | eqeq1d 2624 |
. . . . . . . 8
                        
    
                     |
| 46 | | fveq1 6190 |
. . . . . . . . 9
                                         |
| 47 | 46 | eqeq1d 2624 |
. . . . . . . 8
                        
    
                     |
| 48 | | fveq1 6190 |
. . . . . . . . 9
                                         |
| 49 | 48 | eqeq1d 2624 |
. . . . . . . 8
                        
    
                     |
| 50 | 45, 47, 49 | 3anbi123d 1399 |
. . . . . . 7
                                                
                                                                    |
| 51 | 43, 50 | mpbiri 248 |
. . . . . 6
                                            |
| 52 | | rabren3dioph.a |
. . . . . 6
                           
   |
| 53 | 51, 52 | syl 17 |
. . . . 5
                    |
| 54 | 3, 53 | sbcie 3470 |
. . . 4
                  ![]. ].](_drbrack.gif)   |
| 55 | 54 | a1i 11 |
. . 3
                         ![]. ].](_drbrack.gif)    |
| 56 | 55 | rabbiia 3185 |
. 2
                        ![]. ].](_drbrack.gif)           |
| 57 | 11, 12, 13, 15, 17, 19, 4, 7, 10 | ftp 6424 |
. . . . 5
  
                    
  |
| 58 | | 1z 11407 |
. . . . . . . 8
 |
| 59 | | fztp 12397 |
. . . . . . . 8
                 |
| 60 | 58, 59 | ax-mp 5 |
. . . . . . 7
               |
| 61 | | 1p2e3 11152 |
. . . . . . . 8
   |
| 62 | 61 | oveq2i 6661 |
. . . . . . 7
           |
| 63 | | eqidd 2623 |
. . . . . . . . 9
   |
| 64 | | 1p1e2 11134 |
. . . . . . . . . 10
   |
| 65 | 64 | a1i 11 |
. . . . . . . . 9
     |
| 66 | 61 | a1i 11 |
. . . . . . . . 9
     |
| 67 | 63, 65, 66 | tpeq123d 4283 |
. . . . . . . 8
               |
| 68 | 58, 67 | ax-mp 5 |
. . . . . . 7
             |
| 69 | 60, 62, 68 | 3eqtr3i 2652 |
. . . . . 6
         |
| 70 | 69 | feq2i 6037 |
. . . . 5
                         
                       
   |
| 71 | 57, 70 | mpbir 221 |
. . . 4
  
                       |
| 72 | 14, 16, 18 | 3pm3.2i 1239 |
. . . . 5
        
      |
| 73 | 15, 17, 19 | tpss 4368 |
. . . . 5
     
   
        
      |
| 74 | 72, 73 | mpbi 220 |
. . . 4
         |
| 75 | | fss 6056 |
. . . 4
                          
           
                        |
| 76 | 71, 74, 75 | mp2an 708 |
. . 3
  
                       |
| 77 | | rabrenfdioph 37378 |
. . 3
                                   Dioph                           ![]. ].](_drbrack.gif)  Dioph    |
| 78 | 76, 77 | mp3an2 1412 |
. 2
          Dioph                           ![]. ].](_drbrack.gif)  Dioph    |
| 79 | 56, 78 | syl5eqelr 2706 |
1
          Dioph           Dioph    |