| Step | Hyp | Ref
| Expression |
| 1 | | brcgr3 32153 |
. . . . . 6
  
   
         
       
             Cgr3     
    Cgr  
   Cgr      Cgr       |
| 2 | | simp2 1062 |
. . . . . 6
     Cgr 
    Cgr 
    Cgr 
     Cgr     |
| 3 | 1, 2 | syl6bi 243 |
. . . . 5
  
   
         
       
             Cgr3         Cgr      |
| 4 | | simp1 1061 |
. . . . . 6
  
   
         
       
        |
| 5 | | simp21 1094 |
. . . . . 6
  
   
         
       
            |
| 6 | | simp22 1095 |
. . . . . 6
  
   
         
       
            |
| 7 | | simp23 1096 |
. . . . . 6
  
   
         
       
            |
| 8 | | simp31 1097 |
. . . . . 6
  
   
         
       
            |
| 9 | | simp33 1099 |
. . . . . 6
  
   
         
       
            |
| 10 | | cgrxfr 32162 |
. . . . . 6
  
   
         
             
    Cgr 
           
      Cgr3 
        |
| 11 | 4, 5, 6, 7, 8, 9, 10 | syl132anc 1344 |
. . . . 5
  
   
         
       
          
   Cgr   
        
       Cgr3          |
| 12 | 3, 11 | sylan2d 499 |
. . . 4
  
   
         
       
          
      Cgr3 
             
       Cgr3          |
| 13 | 12 | imp 445 |
. . 3
                         
                Cgr3                
       Cgr3         |
| 14 | | simprrl 804 |
. . . . . . . . . . . . 13
            
             
               
      Cgr3 
     
  
      Cgr3 
            |
| 15 | 14, 14 | jca 554 |
. . . . . . . . . . . 12
            
             
               
      Cgr3 
     
  
      Cgr3 
         

      |
| 16 | | simpl1 1064 |
. . . . . . . . . . . . . . 15
                         
             |
| 17 | | simpl31 1142 |
. . . . . . . . . . . . . . 15
                         
                 |
| 18 | | simpl33 1144 |
. . . . . . . . . . . . . . 15
                         
                 |
| 19 | 16, 17, 18 | cgrrflxd 32095 |
. . . . . . . . . . . . . 14
                         
              Cgr     |
| 20 | | simpr 477 |
. . . . . . . . . . . . . . 15
                         
                 |
| 21 | 16, 20, 18 | cgrrflxd 32095 |
. . . . . . . . . . . . . 14
                         
              Cgr     |
| 22 | 19, 21 | jca 554 |
. . . . . . . . . . . . 13
                         
               Cgr 
    Cgr      |
| 23 | 22 | adantr 481 |
. . . . . . . . . . . 12
            
             
               
      Cgr3 
     
  
      Cgr3 
           Cgr      Cgr      |
| 24 | | simpr 477 |
. . . . . . . . . . . . . 14
 
  
      Cgr3 
           Cgr3 
      |
| 25 | | simpr 477 |
. . . . . . . . . . . . . 14
 
  
      Cgr3 
           Cgr3 
      |
| 26 | | simpl2 1065 |
. . . . . . . . . . . . . . . 16
                         
           
       
       |
| 27 | | simpl3 1066 |
. . . . . . . . . . . . . . . 16
                         
           
       
       |
| 28 | 17, 20, 18 | 3jca 1242 |
. . . . . . . . . . . . . . . 16
                         
           
       
       |
| 29 | | cgr3tr4 32159 |
. . . . . . . . . . . . . . . 16
       
                 
             
               Cgr3 
   
      Cgr3 
           Cgr3 
       |
| 30 | 16, 26, 27, 28, 29 | syl13anc 1328 |
. . . . . . . . . . . . . . 15
                         
                   Cgr3            Cgr3      
      Cgr3 
       |
| 31 | | cgr3com 32160 |
. . . . . . . . . . . . . . . . 17
  
   
         
       
             Cgr3     
      Cgr3 
       |
| 32 | 16, 27, 17, 20, 18, 31 | syl113anc 1338 |
. . . . . . . . . . . . . . . 16
                         
                  Cgr3     
      Cgr3 
       |
| 33 | | simpl32 1143 |
. . . . . . . . . . . . . . . . . 18
                         
                 |
| 34 | | brcgr3 32153 |
. . . . . . . . . . . . . . . . . 18
  
   
         
       
             Cgr3     
    Cgr  
   Cgr      Cgr       |
| 35 | 16, 17, 20, 18, 17, 33, 18, 34 | syl133anc 1349 |
. . . . . . . . . . . . . . . . 17
                         
                  Cgr3     
    Cgr  
   Cgr      Cgr       |
| 36 | | simpr1 1067 |
. . . . . . . . . . . . . . . . . . 19
            
             
               Cgr      Cgr 
    Cgr 
  
   Cgr     |
| 37 | | simpr3 1069 |
. . . . . . . . . . . . . . . . . . . 20
            
             
               Cgr      Cgr 
    Cgr 
  
   Cgr     |
| 38 | 16, 20, 18, 33, 18, 37 | cgrcomlrand 32108 |
. . . . . . . . . . . . . . . . . . 19
            
             
               Cgr      Cgr 
    Cgr 
  
   Cgr     |
| 39 | 36, 38 | jca 554 |
. . . . . . . . . . . . . . . . . 18
            
             
               Cgr      Cgr 
    Cgr 
  
    Cgr  
   Cgr      |
| 40 | 39 | ex 450 |
. . . . . . . . . . . . . . . . 17
                         
                Cgr      Cgr      Cgr 
      Cgr      Cgr       |
| 41 | 35, 40 | sylbid 230 |
. . . . . . . . . . . . . . . 16
                         
                  Cgr3          Cgr      Cgr       |
| 42 | 32, 41 | sylbid 230 |
. . . . . . . . . . . . . . 15
                         
                  Cgr3          Cgr      Cgr       |
| 43 | 30, 42 | syld 47 |
. . . . . . . . . . . . . 14
                         
                   Cgr3            Cgr3      
    Cgr  
   Cgr       |
| 44 | 24, 25, 43 | syl2ani 688 |
. . . . . . . . . . . . 13
                         
               
       Cgr3          
      Cgr3 
          Cgr      Cgr       |
| 45 | 44 | imp 445 |
. . . . . . . . . . . 12
            
             
               
      Cgr3 
     
  
      Cgr3 
           Cgr      Cgr      |
| 46 | 15, 23, 45 | 3jca 1242 |
. . . . . . . . . . 11
            
             
               
      Cgr3 
     
  
      Cgr3 
                    Cgr 
    Cgr        Cgr      Cgr       |
| 47 | 46 | ex 450 |
. . . . . . . . . 10
                         
               
       Cgr3          
      Cgr3 
         

        Cgr 
    Cgr        Cgr      Cgr        |
| 48 | | brifs 32150 |
. . . . . . . . . . . 12
      
     
   
             
               
        
       

        Cgr 
    Cgr        Cgr      Cgr        |
| 49 | | ifscgr 32151 |
. . . . . . . . . . . 12
      
     
   
             
               
        
   
   Cgr      |
| 50 | 48, 49 | sylbird 250 |
. . . . . . . . . . 11
      
     
   
             
                        Cgr 
    Cgr        Cgr      Cgr        Cgr      |
| 51 | 16, 17, 20, 18, 20, 17, 20, 18, 33, 50 | syl333anc 1358 |
. . . . . . . . . 10
                         
               

        Cgr 
    Cgr        Cgr      Cgr        Cgr      |
| 52 | 47, 51 | syld 47 |
. . . . . . . . 9
                         
               
       Cgr3          
      Cgr3 
         Cgr      |
| 53 | | cgrid2 32110 |
. . . . . . . . . 10
                     Cgr      |
| 54 | 16, 20, 20, 33, 53 | syl13anc 1328 |
. . . . . . . . 9
                         
               Cgr      |
| 55 | 52, 54 | syld 47 |
. . . . . . . 8
                         
               
       Cgr3          
      Cgr3 
         |
| 56 | 55 | imp 445 |
. . . . . . 7
            
             
               
      Cgr3 
     
  
      Cgr3 
         |
| 57 | 56, 14 | eqbrtrrd 4677 |
. . . . . 6
            
             
               
      Cgr3 
     
  
      Cgr3 
            |
| 58 | 57 | expr 643 |
. . . . 5
            
             
                     Cgr3            
      Cgr3 
           |
| 59 | 58 | an32s 846 |
. . . 4
            
             
                Cgr3                 
      Cgr3 
           |
| 60 | 59 | rexlimdva 3031 |
. . 3
                         
                Cgr3         
     
  
      Cgr3 
           |
| 61 | 13, 60 | mpd 15 |
. 2
                         
                Cgr3             |
| 62 | 61 | ex 450 |
1
  
   
         
       
          
      Cgr3 
           |