| Step | Hyp | Ref
 | Expression | 
| 1 |   | elex 2774 | 
. 2
       Omni          | 
| 2 |   | simpl 109 | 
. . 3
        WOmni
      Markov   
    WOmni  | 
| 3 | 2 | elexd 2776 | 
. 2
        WOmni
      Markov   
       | 
| 4 |   | 1n0 6490 | 
. . . . . . . . . . . . . . 15
        | 
| 5 | 4 | nesymi 2413 | 
. . . . . . . . . . . . . 14
          | 
| 6 |   | eqeq1 2203 | 
. . . . . . . . . . . . . 14
            
              
        | 
| 7 | 5, 6 | mtbiri 676 | 
. . . . . . . . . . . . 13
            
               | 
| 8 | 7 | reximi 2594 | 
. . . . . . . . . . . 12
                   
        
             | 
| 9 |   | rexnalim 2486 | 
. . . . . . . . . . . 12
                                            | 
| 10 | 8, 9 | syl 14 | 
. . . . . . . . . . 11
                   
        
             | 
| 11 | 10 | orim1i 761 | 
. . . . . . . . . 10
                           
                                                        | 
| 12 | 11 | orcomd 730 | 
. . . . . . . . 9
                           
                  
                                     | 
| 13 |   | df-dc 836 | 
. . . . . . . . 9
   DECID       
                                                     | 
| 14 | 12, 13 | sylibr 134 | 
. . . . . . . 8
                           
              
DECID                   | 
| 15 | 14 | adantl 277 | 
. . . . . . 7
                             
                                
DECID                   | 
| 16 |   | simpr 110 | 
. . . . . . . . 9
                             
                                
     
                    
            | 
| 17 | 16 | orcomd 730 | 
. . . . . . . 8
                             
                                
     
           
        
            | 
| 18 | 17 | ord 725 | 
. . . . . . 7
                             
                                
                            
            | 
| 19 | 15, 18 | jca 306 | 
. . . . . 6
                             
                                
 DECID
      
                   
           
        
             | 
| 20 |   | simprl 529 | 
. . . . . . . . 9
                       DECID                      
      
                                 
DECID                   | 
| 21 | 20, 13 | sylib 122 | 
. . . . . . . 8
                       DECID                      
      
                                 
     
           
                       | 
| 22 |   | simprr 531 | 
. . . . . . . . 9
                       DECID                      
      
                                 
                            
            | 
| 23 | 22 | orim2d 789 | 
. . . . . . . 8
                       DECID                      
      
                                 
    
                                             
                                | 
| 24 | 21, 23 | mpd 13 | 
. . . . . . 7
                       DECID                      
      
                                 
     
           
        
            | 
| 25 | 24 | orcomd 730 | 
. . . . . 6
                       DECID                      
      
                                 
     
                    
            | 
| 26 | 19, 25 | impbida 596 | 
. . . . 5
                                       
        
              DECID                      
      
                                 | 
| 27 | 26 | pm5.74da 443 | 
. . . 4
                            
                                           DECID     
           
                                              | 
| 28 | 27 | albidv 1838 | 
. . 3
                          
                    
               
            DECID                      
      
                                  | 
| 29 |   | isomni 7202 | 
. . 3
               
Omni                                      
                | 
| 30 |   | iswomni 7231 | 
. . . . . 6
               
WOmni              DECID       
             | 
| 31 |   | ismkv 7219 | 
. . . . . 6
               
Markov                                                         | 
| 32 | 30, 31 | anbi12d 473 | 
. . . . 5
                 WOmni       Markov                DECID   
                                                                        | 
| 33 |   | 19.26 1495 | 
. . . . 5
               DECID       
                                                                              DECID   
                                                                       | 
| 34 | 32, 33 | bitr4di 198 | 
. . . 4
                 WOmni       Markov                DECID       
                                                                  | 
| 35 |   | jcab 603 | 
. . . . 5
             DECID     
           
                                                       
DECID                                                                         | 
| 36 | 35 | albii 1484 | 
. . . 4
               DECID     
           
                                                          DECID       
                                                                 | 
| 37 | 34, 36 | bitr4di 198 | 
. . 3
                 WOmni       Markov                DECID     
           
                                              | 
| 38 | 28, 29, 37 | 3bitr4d 220 | 
. 2
               
Omni        WOmni    
  Markov    | 
| 39 | 1, 3, 38 | pm5.21nii 705 | 
1
       Omni        WOmni       Markov   |