Proof of Theorem btmp
| Step | Hyp | Ref
| Expression |
| 1 | | tarval2g 15250 |
. . . 4

tarskiMap     Tarski    |
| 2 | 1 | adantr 425 |
. . 3
   tarskiMap   

Tarski    |
| 3 | 2 | eleq2d 1964 |
. 2
    tarskiMap   

Tarski     |
| 4 | | elintg 3222 |
. . 3

   
Tarski    
Tarski      |
| 5 | 4 | adantl 424 |
. 2
       Tarski 
  
Tarski      |
| 6 | | ax-17 1317 |
. . . . . . 7
         |
| 7 | | pm2.27 76 |
. . . . . . . . . . 11
  Tarski    Tarski     |
| 8 | 7 | ex 402 |
. . . . . . . . . 10

 Tarski    Tarski      |
| 9 | 8 | com13 37 |
. . . . . . . . 9
   Tarski
  Tarski 
    |
| 10 | | pm2.27 76 |
. . . . . . . . . . . 12
 Tarski   Tarski    
    |
| 11 | 10 | com3r 39 |
. . . . . . . . . . 11

 Tarski   Tarski        |
| 12 | 11 | imp 377 |
. . . . . . . . . 10
  Tarski   Tarski       |
| 13 | 12 | com12 14 |
. . . . . . . . 9
  Tarski      Tarski
   |
| 14 | 9, 13 | impbii 174 |
. . . . . . . 8
   Tarski
  Tarski
     |
| 15 | 14 | a1i 8 |
. . . . . . 7
      Tarski
  Tarski       |
| 16 | 6, 15 | albid 1459 |
. . . . . 6
        Tarski     Tarski       |
| 17 | | df-ral 2109 |
. . . . . 6
  Tarski 
    Tarski
     |
| 18 | 16, 17 | syl6bbr 597 |
. . . . 5
        Tarski   Tarski      |
| 19 | | eleq2 1958 |
. . . . . . 7
     |
| 20 | | eleq2 1958 |
. . . . . . 7
     |
| 21 | 19, 20 | imbi12d 688 |
. . . . . 6
         |
| 22 | 21 | cbvralv 2280 |
. . . . 5
  Tarski 
  Tarski 
   |
| 23 | 18, 22 | syl6bb 595 |
. . . 4
        Tarski   Tarski      |
| 24 | | visset 2295 |
. . . . . . 7
 |
| 25 | | eleq2 1958 |
. . . . . . . . 9
     |
| 26 | | eleq1 1957 |
. . . . . . . . 9
  Tarski Tarski   |
| 27 | 25, 26 | anbi12d 690 |
. . . . . . . 8
   Tarski  Tarski    |
| 28 | 27 | elabg 2405 |
. . . . . . 7
  

Tarski   Tarski    |
| 29 | 24, 28 | ax-mp 7 |
. . . . . 6
   Tarski 
 Tarski   |
| 30 | 29 | imbi1i 203 |
. . . . 5
  

Tarski     Tarski
   |
| 31 | 30 | albii 1346 |
. . . 4
      Tarski 
     Tarski
   |
| 32 | 23, 31 | syl5bb 591 |
. . 3
        
Tarski 
  Tarski 
    |
| 33 | | df-ral 2109 |
. . 3
  

Tarski        Tarski 
   |
| 34 | 32, 33 | syl5bb 591 |
. 2
       Tarski    Tarski 
    |
| 35 | 3, 5, 34 | 3bitrd 603 |
1
    tarskiMap   Tarski 
    |