| Step | Hyp | Ref
| Expression |
| 1 | | df-cgrg 25406 |
. . . 4
cgrG                  
 

  
                                      |
| 2 | 1 | relmptopab 6883 |
. . 3
cgrG   |
| 3 | 2 | a1i 11 |
. 2
 TarskiG
cgrG    |
| 4 | | ercgrg.p |
. . . . . . 7
     |
| 5 | | eqid 2622 |
. . . . . . 7
         |
| 6 | | eqid 2622 |
. . . . . . 7
cgrG  cgrG   |
| 7 | 4, 5, 6 | iscgrg 25407 |
. . . . . 6
 TarskiG   cgrG  
                                                 |
| 8 | 7 | biimpa 501 |
. . . . 5
  TarskiG
 cgrG      

    
 
                                     |
| 9 | 8 | simpld 475 |
. . . 4
  TarskiG
 cgrG            |
| 10 | 9 | ancomd 467 |
. . 3
  TarskiG
 cgrG            |
| 11 | 8 | simprd 479 |
. . . . . 6
  TarskiG
 cgrG                                            |
| 12 | 11 | simpld 475 |
. . . . 5
  TarskiG
 cgrG   
  |
| 13 | 12 | eqcomd 2628 |
. . . 4
  TarskiG
 cgrG   
  |
| 14 | | simpl 473 |
. . . . . . 7
   TarskiG  cgrG    
   TarskiG  cgrG      |
| 15 | | simprl 794 |
. . . . . . . 8
   TarskiG  cgrG    
    |
| 16 | 12 | adantr 481 |
. . . . . . . 8
   TarskiG  cgrG    
    |
| 17 | 15, 16 | eleqtrrd 2704 |
. . . . . . 7
   TarskiG  cgrG    
    |
| 18 | | simprr 796 |
. . . . . . . 8
   TarskiG  cgrG    
    |
| 19 | 18, 16 | eleqtrrd 2704 |
. . . . . . 7
   TarskiG  cgrG    
    |
| 20 | 11 | simprd 479 |
. . . . . . . . 9
  TarskiG
 cgrG                                          |
| 21 | 20 | r19.21bi 2932 |
. . . . . . . 8
   TarskiG  cgrG     
                                   |
| 22 | 21 | r19.21bi 2932 |
. . . . . . 7
    TarskiG  cgrG   
                                    |
| 23 | 14, 17, 19, 22 | syl21anc 1325 |
. . . . . 6
   TarskiG  cgrG    
                                    |
| 24 | 23 | eqcomd 2628 |
. . . . 5
   TarskiG  cgrG    
                                    |
| 25 | 24 | ralrimivva 2971 |
. . . 4
  TarskiG
 cgrG                                          |
| 26 | 13, 25 | jca 554 |
. . 3
  TarskiG
 cgrG    
                                       |
| 27 | 4, 5, 6 | iscgrg 25407 |
. . . 4
 TarskiG   cgrG  
       
                                         |
| 28 | 27 | adantr 481 |
. . 3
  TarskiG
 cgrG      cgrG  
       
                                         |
| 29 | 10, 26, 28 | mpbir2and 957 |
. 2
  TarskiG
 cgrG     cgrG     |
| 30 | 9 | simpld 475 |
. . . . 5
  TarskiG
 cgrG        |
| 31 | 30 | adantrr 753 |
. . . 4
  TarskiG
  cgrG    cgrG    
    |
| 32 | 4, 5, 6 | iscgrg 25407 |
. . . . . . . 8
 TarskiG   cgrG  
       
                                         |
| 33 | 32 | biimpa 501 |
. . . . . . 7
  TarskiG
 cgrG      

    
 
                                     |
| 34 | 33 | adantrl 752 |
. . . . . 6
  TarskiG
  cgrG    cgrG         
 

  
                                     |
| 35 | 34 | simpld 475 |
. . . . 5
  TarskiG
  cgrG    cgrG      

     |
| 36 | 35 | simprd 479 |
. . . 4
  TarskiG
  cgrG    cgrG         |
| 37 | 31, 36 | jca 554 |
. . 3
  TarskiG
  cgrG    cgrG      

     |
| 38 | 8 | adantrr 753 |
. . . . . . 7
  TarskiG
  cgrG    cgrG         
 

  
                                     |
| 39 | 38 | simprd 479 |
. . . . . 6
  TarskiG
  cgrG    cgrG     
                                       |
| 40 | 39 | simpld 475 |
. . . . 5
  TarskiG
  cgrG    cgrG       |
| 41 | 34 | simprd 479 |
. . . . . 6
  TarskiG
  cgrG    cgrG     
                                       |
| 42 | 41 | simpld 475 |
. . . . 5
  TarskiG
  cgrG    cgrG    
  |
| 43 | 40, 42 | eqtrd 2656 |
. . . 4
  TarskiG
  cgrG    cgrG       |
| 44 | 39 | simprd 479 |
. . . . . . . . 9
  TarskiG
  cgrG    cgrG     
                                     |
| 45 | 44 | r19.21bi 2932 |
. . . . . . . 8
   TarskiG   cgrG    cgrG    
                                     |
| 46 | 45 | r19.21bi 2932 |
. . . . . . 7
    TarskiG   cgrG    cgrG    
                                    |
| 47 | 46 | anasss 679 |
. . . . . 6
   TarskiG   cgrG    cgrG                                          |
| 48 | | simpl 473 |
. . . . . . 7
   TarskiG   cgrG    cgrG         TarskiG   cgrG    cgrG       |
| 49 | | simprl 794 |
. . . . . . . 8
   TarskiG   cgrG    cgrG          |
| 50 | 40 | adantr 481 |
. . . . . . . 8
   TarskiG   cgrG    cgrG          |
| 51 | 49, 50 | eleqtrd 2703 |
. . . . . . 7
   TarskiG   cgrG    cgrG          |
| 52 | | simprr 796 |
. . . . . . . 8
   TarskiG   cgrG    cgrG          |
| 53 | 52, 50 | eleqtrd 2703 |
. . . . . . 7
   TarskiG   cgrG    cgrG          |
| 54 | 41 | simprd 479 |
. . . . . . . . 9
  TarskiG
  cgrG    cgrG     
                                     |
| 55 | 54 | r19.21bi 2932 |
. . . . . . . 8
   TarskiG   cgrG    cgrG    
                                     |
| 56 | 55 | r19.21bi 2932 |
. . . . . . 7
    TarskiG   cgrG    cgrG    
                                    |
| 57 | 48, 51, 53, 56 | syl21anc 1325 |
. . . . . 6
   TarskiG   cgrG    cgrG                                          |
| 58 | 47, 57 | eqtrd 2656 |
. . . . 5
   TarskiG   cgrG    cgrG                                          |
| 59 | 58 | ralrimivva 2971 |
. . . 4
  TarskiG
  cgrG    cgrG     
                                     |
| 60 | 43, 59 | jca 554 |
. . 3
  TarskiG
  cgrG    cgrG     
                                       |
| 61 | 4, 5, 6 | iscgrg 25407 |
. . . 4
 TarskiG   cgrG  
                                                 |
| 62 | 61 | adantr 481 |
. . 3
  TarskiG
  cgrG    cgrG       cgrG  
                                                 |
| 63 | 37, 60, 62 | mpbir2and 957 |
. 2
  TarskiG
  cgrG    cgrG      cgrG     |
| 64 | 4, 5, 6 | iscgrg 25407 |
. . 3
 TarskiG   cgrG  
                                                 |
| 65 | | pm4.24 675 |
. . . 4
      
    |
| 66 | | eqid 2622 |
. . . . . 6
 |
| 67 | | eqidd 2623 |
. . . . . . 7
 
                                   |
| 68 | 67 | rgen2a 2977 |
. . . . . 6
                                     |
| 69 | 66, 68 | pm3.2i 471 |
. . . . 5
                                       |
| 70 | 69 | biantru 526 |
. . . 4
      
                                                |
| 71 | 65, 70 | bitri 264 |
. . 3
                                                   |
| 72 | 64, 71 | syl6rbbr 279 |
. 2
 TarskiG     cgrG      |
| 73 | 3, 29, 63, 72 | iserd 7768 |
1
 TarskiG cgrG      |