Proof of Theorem partarelt2
| Step | Hyp | Ref
| Expression |
| 1 | | elin 2786 |
. . . 4
 
      tar  
        
 tar              tar         tarskiMap          tar  
        
 tar              tar          tarskiMap     |
| 2 | | simpr 350 |
. . . . . . 7
     tar          tar          |
| 3 | | eqidd 1885 |
. . . . . . 7
     tar             |
| 4 | | pweq 3036 |
. . . . . . . . 9
     |
| 5 | 4 | eqeq2d 1895 |
. . . . . . . 8
         |
| 6 | 5 | rcla4ev 2381 |
. . . . . . 7
   tar           
 tar             |
| 7 | 2, 3, 6 | syl11anc 524 |
. . . . . 6
     tar           tar  
          |
| 8 | | pwexg 3489 |
. . . . . . . 8

 tar        
  |
| 9 | | eqeq1 1890 |
. . . . . . . . . 10
         |
| 10 | 9 | rexbidv 2124 |
. . . . . . . . 9
     tar  
         tar              |
| 11 | 10 | elabg 2405 |
. . . . . . . 8
 
   
 tar             tar              |
| 12 | 8, 11 | syl 12 |
. . . . . . 7

 tar         

  tar             tar              |
| 13 | 12 | adantl 424 |
. . . . . 6
     tar            
 tar             tar              |
| 14 | 7, 13 | mpbird 213 |
. . . . 5
     tar           
 tar             |
| 15 | | elun2 2772 |
. . . . 5
 

  tar                tar           
 tar              |
| 16 | | elun1 2771 |
. . . . 5
 
  
 tar         

  tar                  tar           
 tar              tar           |
| 17 | 14, 15, 16 | 3syl 24 |
. . . 4
     tar               tar  
        
 tar              tar           |
| 18 | | simpl1 879 |
. . . . 5
     tar           |
| 19 | | tartarmap 15265 |
. . . . . . 7
    tar        tarskiMap    |
| 20 | 19 | sseld 2619 |
. . . . . 6
   
 tar        tarskiMap     |
| 21 | 20 | imp 377 |
. . . . 5
     tar         tarskiMap    |
| 22 | | pwtsm 15266 |
. . . . 5
  tarskiMap    tarskiMap    |
| 23 | 18, 21, 22 | syl11anc 524 |
. . . 4
     tar          tarskiMap    |
| 24 | 1, 17, 23 | sylanbrc 527 |
. . 3
     tar                tar           
 tar              tar         tarskiMap     |
| 25 | | vtarsu 15263 |
. . . 4
    tar      
     
 tar         

  tar              tar         tarskiMap     |
| 26 | 25 | adantr 425 |
. . 3
     tar          tar            
 tar         

  tar              tar         tarskiMap     |
| 27 | 24, 26 | eleqtrrd 1974 |
. 2
     tar           tar  
       |
| 28 | 27 | ex 402 |
1
   
 tar        
 tar           |