| Step | Hyp | Ref
 | Expression | 
| 1 |   | simplr 528 | 
. . . . . . 7
     EXMID     TAp
      
      
  TAp    | 
| 2 |   | simpr 110 | 
. . . . . . 7
     EXMID     TAp
      
      
       | 
| 3 |   | dftap2 7318 | 
. . . . . . . . . 10
     TAp            
      
     
              
      
                      
      
      
                            
      
              
      | 
| 4 | 3 | biimpi 120 | 
. . . . . . . . 9
     TAp    
              
     
              
      
                      
      
      
                            
      
              
      | 
| 5 | 4 | simp1d 1011 | 
. . . . . . . 8
     TAp    
             | 
| 6 | 5 | sseld 3182 | 
. . . . . . 7
     TAp    
      
                | 
| 7 | 1, 2, 6 | sylc 62 | 
. . . . . 6
     EXMID     TAp
      
      
      
      | 
| 8 |   | 1st2nd2 6233 | 
. . . . . 6
                                     | 
| 9 | 7, 8 | syl 14 | 
. . . . 5
     EXMID     TAp
      
      
                    | 
| 10 |   | xp1st 6223 | 
. . . . . . . 8
                            | 
| 11 | 7, 10 | syl 14 | 
. . . . . . 7
     EXMID     TAp
      
      
           | 
| 12 |   | xp2nd 6224 | 
. . . . . . . 8
                            | 
| 13 | 7, 12 | syl 14 | 
. . . . . . 7
     EXMID     TAp
      
      
           | 
| 14 | 9, 2 | eqeltrrd 2274 | 
. . . . . . . . . 10
     EXMID     TAp
      
      
                    | 
| 15 | 14 | adantr 276 | 
. . . . . . . . 9
      EXMID     TAp
      
      
                
                    | 
| 16 |   | simpr 110 | 
. . . . . . . . . . 11
      EXMID     TAp
      
      
                
               | 
| 17 | 16 | opeq2d 3815 | 
. . . . . . . . . 10
      EXMID     TAp
      
      
                
                
                | 
| 18 |   | id 19 | 
. . . . . . . . . . . . . 14
              
           | 
| 19 | 18, 18 | breq12d 4046 | 
. . . . . . . . . . . . 13
              
    
                | 
| 20 | 19 | notbid 668 | 
. . . . . . . . . . . 12
              
        
                | 
| 21 | 4 | simp2d 1012 | 
. . . . . . . . . . . . . 14
     TAp    
     
              
      
                | 
| 22 | 21 | simpld 112 | 
. . . . . . . . . . . . 13
     TAp    
      
       | 
| 23 | 22 | ad3antlr 493 | 
. . . . . . . . . . . 12
      EXMID     TAp
      
      
                
      
       | 
| 24 | 11 | adantr 276 | 
. . . . . . . . . . . 12
      EXMID     TAp
      
      
                
           | 
| 25 | 20, 23, 24 | rspcdva 2873 | 
. . . . . . . . . . 11
      EXMID     TAp
      
      
                
               | 
| 26 |   | df-br 4034 | 
. . . . . . . . . . 11
                                     | 
| 27 | 25, 26 | sylnib 677 | 
. . . . . . . . . 10
      EXMID     TAp
      
      
                
                      | 
| 28 | 17, 27 | eqneltrrd 2293 | 
. . . . . . . . 9
      EXMID     TAp
      
      
                
                      | 
| 29 | 15, 28 | pm2.65da 662 | 
. . . . . . . 8
     EXMID     TAp
      
      
                 | 
| 30 | 29 | neqned 2374 | 
. . . . . . 7
     EXMID     TAp
      
      
               | 
| 31 | 11, 13, 30 | jca31 309 | 
. . . . . 6
     EXMID     TAp
      
      
                                           | 
| 32 |   | eleq1 2259 | 
. . . . . . . . . 10
              
      
              | 
| 33 |   | eleq1 2259 | 
. . . . . . . . . 10
              
      
              | 
| 34 | 32, 33 | bi2anan9 606 | 
. . . . . . . . 9
                                        
                                 | 
| 35 |   | simpl 109 | 
. . . . . . . . . 10
                                        | 
| 36 |   | simpr 110 | 
. . . . . . . . . 10
                                        | 
| 37 | 35, 36 | neeq12d 2387 | 
. . . . . . . . 9
                                     
                | 
| 38 | 34, 37 | anbi12d 473 | 
. . . . . . . 8
                                                         
                                            | 
| 39 | 38 | opelopabga 4297 | 
. . . . . . 7
                                                                                     
                                            | 
| 40 | 11, 13, 39 | syl2anc 411 | 
. . . . . 6
     EXMID     TAp
      
      
                                       
      
         
                                            | 
| 41 | 31, 40 | mpbird 167 | 
. . . . 5
     EXMID     TAp
      
      
                                      
      
         | 
| 42 | 9, 41 | eqeltrd 2273 | 
. . . 4
     EXMID     TAp
      
      
                                          | 
| 43 |   | relopab 4792 | 
. . . . . . 7
                                         | 
| 44 |   | 1st2nd 6239 | 
. . . . . . 7
                           
      
             
                     
      
                               | 
| 45 | 43, 44 | mpan 424 | 
. . . . . 6
                            
      
                              | 
| 46 | 45 | adantl 277 | 
. . . . 5
     EXMID     TAp
      
                       
      
                               | 
| 47 |   | breq2 4037 | 
. . . . . . . . . 10
              
                         | 
| 48 | 47 | notbid 668 | 
. . . . . . . . 9
              
            
                | 
| 49 |   | eqeq2 2206 | 
. . . . . . . . 9
              
                             | 
| 50 | 48, 49 | imbi12d 234 | 
. . . . . . . 8
              
                                                             | 
| 51 |   | breq1 4036 | 
. . . . . . . . . . . 12
              
      
          | 
| 52 | 51 | notbid 668 | 
. . . . . . . . . . 11
              
        
            | 
| 53 |   | eqeq1 2203 | 
. . . . . . . . . . 11
              
      
              | 
| 54 | 52, 53 | imbi12d 234 | 
. . . . . . . . . 10
              
             
                               | 
| 55 | 54 | ralbidv 2497 | 
. . . . . . . . 9
              
     
              
                                      | 
| 56 | 4 | simp3d 1013 | 
. . . . . . . . . . 11
     TAp    
     
      
      
                            
      
              
     | 
| 57 | 56 | simprd 114 | 
. . . . . . . . . 10
     TAp    
      
      
                 | 
| 58 | 57 | ad2antlr 489 | 
. . . . . . . . 9
     EXMID     TAp
      
                       
      
                    
      
     
        | 
| 59 | 32 | anbi1d 465 | 
. . . . . . . . . . . . . 14
              
             
                     
     | 
| 60 |   | neeq1 2380 | 
. . . . . . . . . . . . . 14
              
      
              | 
| 61 | 59, 60 | anbi12d 473 | 
. . . . . . . . . . . . 13
              
            
      
        
                 
                  | 
| 62 | 33 | anbi2d 464 | 
. . . . . . . . . . . . . 14
              
                 
                               | 
| 63 |   | neeq2 2381 | 
. . . . . . . . . . . . . 14
              
                             | 
| 64 | 62, 63 | anbi12d 473 | 
. . . . . . . . . . . . 13
              
                  
                                                              | 
| 65 | 61, 64 | elopabi 6253 | 
. . . . . . . . . . . 12
                            
      
                                                     | 
| 66 | 65 | adantl 277 | 
. . . . . . . . . . 11
     EXMID     TAp
      
                       
      
                                                      | 
| 67 | 66 | simpld 112 | 
. . . . . . . . . 10
     EXMID     TAp
      
                       
      
                                    | 
| 68 | 67 | simpld 112 | 
. . . . . . . . 9
     EXMID     TAp
      
                       
      
                      | 
| 69 | 55, 58, 68 | rspcdva 2873 | 
. . . . . . . 8
     EXMID     TAp
      
                       
      
                    
                      | 
| 70 | 67 | simprd 114 | 
. . . . . . . 8
     EXMID     TAp
      
                       
      
                      | 
| 71 | 50, 69, 70 | rspcdva 2873 | 
. . . . . . 7
     EXMID     TAp
      
                       
      
                           
                | 
| 72 | 66 | simprd 114 | 
. . . . . . . 8
     EXMID     TAp
      
                       
      
                          | 
| 73 | 72 | neneqd 2388 | 
. . . . . . 7
     EXMID     TAp
      
                       
      
            
               | 
| 74 |   | exmidexmid 4229 | 
. . . . . . . . 9
   EXMID  
DECID              | 
| 75 |   | con1dc 857 | 
. . . . . . . . 9
   DECID                                                                                    | 
| 76 | 74, 75 | syl 14 | 
. . . . . . . 8
   EXMID                                                                        | 
| 77 | 76 | ad2antrr 488 | 
. . . . . . 7
     EXMID     TAp
      
                       
      
                                                                                | 
| 78 | 71, 73, 77 | mp2d 47 | 
. . . . . 6
     EXMID     TAp
      
                       
      
                        | 
| 79 |   | df-br 4034 | 
. . . . . 6
                                     | 
| 80 | 78, 79 | sylib 122 | 
. . . . 5
     EXMID     TAp
      
                       
      
                               | 
| 81 | 46, 80 | eqeltrd 2273 | 
. . . 4
     EXMID     TAp
      
                       
      
                  | 
| 82 | 42, 81 | impbida 596 | 
. . 3
    EXMID     TAp                                        
      
          | 
| 83 | 82 | eqrdv 2194 | 
. 2
    EXMID     TAp         
                     
      
         | 
| 84 |   | exmidexmid 4229 | 
. . . . . . 7
   EXMID  
DECID  
     | 
| 85 | 84 | ralrimivw 2571 | 
. . . . . 6
   EXMID         
DECID  
     | 
| 86 | 85 | ralrimivw 2571 | 
. . . . 5
   EXMID         
      
DECID  
     | 
| 87 |   | netap 7321 | 
. . . . 5
       
      
  DECID
                             
      
        TAp    | 
| 88 | 86, 87 | syl 14 | 
. . . 4
   EXMID                        
      
        TAp    | 
| 89 | 88 | adantr 276 | 
. . 3
    EXMID                            
      
                                
      
        TAp    | 
| 90 |   | tapeq1 7319 | 
. . . 4
                            
      
             TAp    
                     
      
        TAp     | 
| 91 | 90 | adantl 277 | 
. . 3
    EXMID                            
      
              TAp                                          TAp     | 
| 92 | 89, 91 | mpbird 167 | 
. 2
    EXMID                            
      
             TAp
   | 
| 93 | 83, 92 | impbida 596 | 
1
   EXMID      TAp      
                                         |