| Step | Hyp | Ref
| Expression |
| 1 | | neirr 2803 |
. . . . . . 7

    |
| 2 | 1 | intnan 960 |
. . . . . 6
     
     |
| 3 | | legval.p |
. . . . . . 7
     |
| 4 | | legval.d |
. . . . . . 7
     |
| 5 | | legval.i |
. . . . . . 7
Itv   |
| 6 | | legval.l |
. . . . . . 7
≤G   |
| 7 | | legval.g |
. . . . . . . . 9

TarskiG |
| 8 | 7 | adantr 481 |
. . . . . . . 8
 
 TarskiG |
| 9 | 8 | ad3antrrr 766 |
. . . . . . 7
      
   
TarskiG |
| 10 | | legso.a |
. . . . . . 7
     |
| 11 | | legso.f |
. . . . . . . . 9

 |
| 12 | 11 | adantr 481 |
. . . . . . . 8
 
  |
| 13 | 12 | ad3antrrr 766 |
. . . . . . 7
      
     |
| 14 | | legso.l |
. . . . . . 7
   |
| 15 | | legso.d |
. . . . . . . 8
  
 |
| 16 | 15 | ad4antr 768 |
. . . . . . 7
      
     
 |
| 17 | | simpllr 799 |
. . . . . . 7
      
   
  |
| 18 | | simplr 792 |
. . . . . . 7
      
      |
| 19 | 3, 4, 5, 6, 9, 10,
13, 14, 16, 17, 18 | ltgov 25492 |
. . . . . 6
      
       
      
       |
| 20 | 2, 19 | mtbiri 317 |
. . . . 5
      
          |
| 21 | | simpr 477 |
. . . . . 6
      
        |
| 22 | 21, 21 | breq12d 4666 |
. . . . 5
      
            |
| 23 | 20, 22 | mtbird 315 |
. . . 4
      
   
  |
| 24 | | simpr 477 |
. . . . 5
 
   |
| 25 | 3, 4, 5, 6, 8, 10,
12, 24 | ltgseg 25491 |
. . . 4
 
 


   |
| 26 | 23, 25 | r19.29vva 3081 |
. . 3
 
   |
| 27 | 7 | ad8antr 776 |
. . . . . . . . . . 11
         
    



      
TarskiG |
| 28 | 27 | ad3antrrr 766 |
. . . . . . . . . 10
            
    



      



 
TarskiG |
| 29 | | simp-9r 817 |
. . . . . . . . . 10
            
    



      



 
  |
| 30 | | simp-8r 815 |
. . . . . . . . . 10
            
    



      



 
  |
| 31 | | simp-6r 811 |
. . . . . . . . . 10
            
    



      



 
  |
| 32 | | simp-5r 809 |
. . . . . . . . . 10
            
    



      



 
  |
| 33 | | simpllr 799 |
. . . . . . . . . 10
            
    



      



 
  |
| 34 | | simplr 792 |
. . . . . . . . . 10
            
    



      



 
  |
| 35 | | simp-10r 819 |
. . . . . . . . . . . . . 14
            
    



      



 
    |
| 36 | 35 | simpld 475 |
. . . . . . . . . . . . 13
            
    



      



 
  |
| 37 | | simp-7r 813 |
. . . . . . . . . . . . 13
            
    



      



 

   |
| 38 | | simp-4r 807 |
. . . . . . . . . . . . 13
            
    



      



 
    |
| 39 | 36, 37, 38 | 3brtr3d 4684 |
. . . . . . . . . . . 12
            
    



      



 
  
   |
| 40 | 11 | ad8antr 776 |
. . . . . . . . . . . . . 14
         
    



        |
| 41 | 40 | ad3antrrr 766 |
. . . . . . . . . . . . 13
            
    



      



 
 |
| 42 | 15 | ad8antr 776 |
. . . . . . . . . . . . . 14
         
    



        
 |
| 43 | 42 | ad3antrrr 766 |
. . . . . . . . . . . . 13
            
    



      



 
   |
| 44 | 3, 4, 5, 6, 28, 10, 41, 14, 43, 29, 30 | ltgov 25492 |
. . . . . . . . . . . 12
            
    



      



 
 
       
  
     |
| 45 | 39, 44 | mpbid 222 |
. . . . . . . . . . 11
            
    



      



 
 
  
  
    |
| 46 | 45 | simpld 475 |
. . . . . . . . . 10
            
    



      



 
      |
| 47 | 35 | simprd 479 |
. . . . . . . . . . . . 13
            
    



      



 
  |
| 48 | | simpr 477 |
. . . . . . . . . . . . 13
            
    



      



 

   |
| 49 | 47, 38, 48 | 3brtr3d 4684 |
. . . . . . . . . . . 12
            
    



      



 
  
   |
| 50 | 3, 4, 5, 6, 28, 10, 41, 14, 43, 31, 32 | ltgov 25492 |
. . . . . . . . . . . 12
            
    



      



 
 
      
   
     |
| 51 | 49, 50 | mpbid 222 |
. . . . . . . . . . 11
            
    



      



 
 
  
  
    |
| 52 | 51 | simpld 475 |
. . . . . . . . . 10
            
    



      



 
      |
| 53 | 3, 4, 5, 6, 28, 29, 30, 31, 32, 33, 34, 46, 52 | legtrd 25484 |
. . . . . . . . 9
            
    



      



 
      |
| 54 | 28 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



       TarskiG |
| 55 | 29 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



         |
| 56 | 30 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



         |
| 57 | 31 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



         |
| 58 | 32 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



         |
| 59 | 46 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



       
     |
| 60 | 52 | adantr 481 |
. . . . . . . . . . . . 13
             
    



      



       
     |
| 61 | | simpr 477 |
. . . . . . . . . . . . 13
             
    



      



       
     |
| 62 | 60, 61 | breqtrrd 4681 |
. . . . . . . . . . . 12
             
    



      



       
     |
| 63 | 3, 4, 5, 6, 54, 55, 56, 57, 58, 59, 62 | legtri3 25485 |
. . . . . . . . . . 11
             
    



      



       
     |
| 64 | 45 | simprd 479 |
. . . . . . . . . . . . 13
            
    



      



 
  
   |
| 65 | 64 | adantr 481 |
. . . . . . . . . . . 12
             
    



      



       
     |
| 66 | 65 | neneqd 2799 |
. . . . . . . . . . 11
             
    



      



       
     |
| 67 | 63, 66 | pm2.65da 600 |
. . . . . . . . . 10
            
    



      



 

     |
| 68 | 67 | neqned 2801 |
. . . . . . . . 9
            
    



      



 
  
   |
| 69 | 3, 4, 5, 6, 28, 10, 41, 14, 43, 29, 30 | ltgov 25492 |
. . . . . . . . 9
            
    



      



 
 
      
   
     |
| 70 | 53, 68, 69 | mpbir2and 957 |
. . . . . . . 8
            
    



      



 
  
   |
| 71 | 70, 37, 48 | 3brtr4d 4685 |
. . . . . . 7
            
    



      



 
  |
| 72 | | simp-5r 809 |
. . . . . . . . . 10
     

  
       
   |
| 73 | 72 | simp3d 1075 |
. . . . . . . . 9
     

  
         |
| 74 | 73 | ad3antrrr 766 |
. . . . . . . 8
         
    



         |
| 75 | 3, 4, 5, 6, 27, 10, 40, 74 | ltgseg 25491 |
. . . . . . 7
         
    



       

    |
| 76 | 71, 75 | r19.29vva 3081 |
. . . . . 6
         
    



         |
| 77 | 7 | ad5antr 770 |
. . . . . . 7
     

  
      
TarskiG |
| 78 | 11 | ad5antr 770 |
. . . . . . 7
     

  
        |
| 79 | 72 | simp2d 1074 |
. . . . . . 7
     

  
         |
| 80 | 3, 4, 5, 6, 77, 10, 78, 79 | ltgseg 25491 |
. . . . . 6
     

  
       

    |
| 81 | 76, 80 | r19.29vva 3081 |
. . . . 5
     

  
         |
| 82 | 7 | ad2antrr 762 |
. . . . . 6
   
 
  
TarskiG |
| 83 | 11 | ad2antrr 762 |
. . . . . 6
   
 
    |
| 84 | | simplr1 1103 |
. . . . . 6
   
 
     |
| 85 | 3, 4, 5, 6, 82, 10, 83, 84 | ltgseg 25491 |
. . . . 5
   
 
   

    |
| 86 | 81, 85 | r19.29vva 3081 |
. . . 4
   
 
     |
| 87 | 86 | ex 450 |
. . 3
 

   

   |
| 88 | 26, 87 | ispod 5043 |
. 2
   |
| 89 | 7 | ad8antr 776 |
. . . . . . . . 9
          
    


   TarskiG |
| 90 | | simp-6r 811 |
. . . . . . . . 9
          
    


     |
| 91 | | simp-5r 809 |
. . . . . . . . 9
          
    


     |
| 92 | | simpllr 799 |
. . . . . . . . 9
          
    


     |
| 93 | | simplr 792 |
. . . . . . . . 9
          
    


     |
| 94 | 3, 4, 5, 6, 89, 90, 91, 92, 93 | legtrid 25486 |
. . . . . . . 8
          
    


        
      |
| 95 | 11 | ad8antr 776 |
. . . . . . . . . 10
          
    


    |
| 96 | 15 | ad8antr 776 |
. . . . . . . . . 10
          
    


      |
| 97 | 3, 4, 5, 6, 89, 10, 95, 14, 96, 90, 91 | legov3 25493 |
. . . . . . . . 9
          
    


       
 
           |
| 98 | 3, 4, 5, 6, 89, 10, 95, 14, 96, 92, 93 | legov3 25493 |
. . . . . . . . 9
          
    


       
 
           |
| 99 | 97, 98 | orbi12d 746 |
. . . . . . . 8
          
    


             
      
       
          |
| 100 | 94, 99 | mpbid 222 |
. . . . . . 7
          
    


       
                   |
| 101 | | eqcom 2629 |
. . . . . . . . . 10
    
      |
| 102 | 101 | orbi2i 541 |
. . . . . . . . 9
      
   
 
          |
| 103 | 102 | orbi2i 541 |
. . . . . . . 8
     
                
      
       
         |
| 104 | | df-3or 1038 |
. . . . . . . . 9
      
       
      
    
      |
| 105 | | 3orcomb 1048 |
. . . . . . . . 9
      
       
 
              |
| 106 | | orordir 553 |
. . . . . . . . 9
     
                           
       |
| 107 | 104, 105,
106 | 3bitr3ri 291 |
. . . . . . . 8
     
                
 
              |
| 108 | 103, 107 | bitr3i 266 |
. . . . . . 7
     
                
 
              |
| 109 | 100, 108 | sylib 208 |
. . . . . 6
          
    


        
   
      |
| 110 | | simp-4r 807 |
. . . . . . . 8
          
    


       |
| 111 | | simpr 477 |
. . . . . . . 8
          
    


       |
| 112 | 110, 111 | breq12d 4666 |
. . . . . . 7
          
    


   
  
    |
| 113 | 110, 111 | eqeq12d 2637 |
. . . . . . 7
          
    


   
       |
| 114 | 111, 110 | breq12d 4666 |
. . . . . . 7
          
    


   
  
    |
| 115 | 112, 113,
114 | 3orbi123d 1398 |
. . . . . 6
          
    


    
    
             |
| 116 | 109, 115 | mpbird 247 |
. . . . 5
          
    


   
   |
| 117 | 7 | ad2antrr 762 |
. . . . . . 7
     TarskiG |
| 118 | 11 | ad2antrr 762 |
. . . . . . 7
      |
| 119 | | simpr 477 |
. . . . . . 7
       |
| 120 | 3, 4, 5, 6, 117, 10, 118, 119 | ltgseg 25491 |
. . . . . 6
     

    |
| 121 | 120 | ad3antrrr 766 |
. . . . 5
     
       

    |
| 122 | 116, 121 | r19.29vva 3081 |
. . . 4
     
       
   |
| 123 | 25 | adantr 481 |
. . . 4
     


   |
| 124 | 122, 123 | r19.29vva 3081 |
. . 3
     
   |
| 125 | 124 | anasss 679 |
. 2
 

  
   |
| 126 | 88, 125 | issod 5065 |
1
   |