| Step | Hyp | Ref
| Expression |
| 1 | | bren 6815 |
. . . . . . 7

       |
| 2 | 1 | biimpi 120 |
. . . . . 6
        |
| 3 | 2 | ad2antrr 488 |
. . . . 5
  
Markov
   
      |
| 4 | | f1ofn 5508 |
. . . . . . . . . . . 12
    
  |
| 5 | 4 | ad3antlr 493 |
. . . . . . . . . . 11
     
Markov         
          |
| 6 | | f1ocnv 5520 |
. . . . . . . . . . . . . 14
    
       |
| 7 | 6 | ad3antlr 493 |
. . . . . . . . . . . . 13
     
Markov         
               |
| 8 | | f1of 5507 |
. . . . . . . . . . . . 13
             |
| 9 | 7, 8 | syl 14 |
. . . . . . . . . . . 12
     
Markov         
               |
| 10 | | simpr 110 |
. . . . . . . . . . . 12
     
Markov         
          |
| 11 | 9, 10 | ffvelcdmd 5701 |
. . . . . . . . . . 11
     
Markov         
               |
| 12 | | fvco2 5633 |
. . . . . . . . . . 11
                                  |
| 13 | 5, 11, 12 | syl2anc 411 |
. . . . . . . . . 10
     
Markov         
                                  |
| 14 | | fveqeq2 5570 |
. . . . . . . . . . 11
            
              |
| 15 | | simplr 528 |
. . . . . . . . . . 11
     
Markov         
        
        |
| 16 | 14, 15, 11 | rspcdva 2873 |
. . . . . . . . . 10
     
Markov         
                     |
| 17 | | simpllr 534 |
. . . . . . . . . . . 12
     
Markov         
              |
| 18 | | f1ocnvfv2 5828 |
. . . . . . . . . . . 12
     
            |
| 19 | 17, 18 | sylancom 420 |
. . . . . . . . . . 11
     
Markov         
                   |
| 20 | 19 | fveq2d 5565 |
. . . . . . . . . 10
     
Markov         
                           |
| 21 | 13, 16, 20 | 3eqtr3rd 2238 |
. . . . . . . . 9
     
Markov         
              |
| 22 | 21 | ralrimiva 2570 |
. . . . . . . 8
     Markov         
       
      |
| 23 | 22 | ex 115 |
. . . . . . 7
    Markov
       
 
     

       |
| 24 | 23 | con3d 632 |
. . . . . 6
    Markov
       
                |
| 25 | | fveq1 5560 |
. . . . . . . . . . 11
               |
| 26 | 25 | eqeq1d 2205 |
. . . . . . . . . 10
       
         |
| 27 | 26 | ralbidv 2497 |
. . . . . . . . 9
    
   

         |
| 28 | 27 | notbid 668 |
. . . . . . . 8
        

         |
| 29 | 25 | eqeq1d 2205 |
. . . . . . . . 9
       
         |
| 30 | 29 | rexbidv 2498 |
. . . . . . . 8
    
   

         |
| 31 | 28, 30 | imbi12d 234 |
. . . . . . 7
     
         
       

          |
| 32 | | ismkvmap 7229 |
. . . . . . . . 9
 Markov  Markov                    |
| 33 | 32 | ibi 176 |
. . . . . . . 8
 Markov      
            |
| 34 | 33 | ad3antlr 493 |
. . . . . . 7
    Markov
       
     
   

       |
| 35 | | simpr 110 |
. . . . . . . . . . 11
  
Markov
       |
| 36 | | 2onn 6588 |
. . . . . . . . . . . . 13
 |
| 37 | | relen 6812 |
. . . . . . . . . . . . . 14
 |
| 38 | 37 | brrelex2i 4708 |
. . . . . . . . . . . . 13
   |
| 39 | | elmapg 6729 |
. . . . . . . . . . . . 13
 
           |
| 40 | 36, 38, 39 | sylancr 414 |
. . . . . . . . . . . 12
   
       |
| 41 | 40 | ad2antrr 488 |
. . . . . . . . . . 11
  
Markov
             |
| 42 | 35, 41 | mpbid 147 |
. . . . . . . . . 10
  
Markov
         |
| 43 | 42 | adantr 276 |
. . . . . . . . 9
    Markov
       
      |
| 44 | | f1of 5507 |
. . . . . . . . . 10
    
      |
| 45 | 44 | adantl 277 |
. . . . . . . . 9
    Markov
       
      |
| 46 | | fco 5426 |
. . . . . . . . 9
                   |
| 47 | 43, 45, 46 | syl2anc 411 |
. . . . . . . 8
    Markov
       
        |
| 48 | | simpllr 534 |
. . . . . . . . 9
    Markov
       
Markov |
| 49 | | elmapg 6729 |
. . . . . . . . 9
 
Markov     
         |
| 50 | 36, 48, 49 | sylancr 414 |
. . . . . . . 8
    Markov
       
    
         |
| 51 | 47, 50 | mpbird 167 |
. . . . . . 7
    Markov
       
      |
| 52 | 31, 34, 51 | rspcdva 2873 |
. . . . . 6
    Markov
       
       

         |
| 53 | 4 | ad2antlr 489 |
. . . . . . . . . 10
     Markov            |
| 54 | | fvco2 5633 |
. . . . . . . . . 10
 
                 |
| 55 | 53, 54 | sylancom 420 |
. . . . . . . . 9
     Markov                          |
| 56 | 55 | eqeq1d 2205 |
. . . . . . . 8
     Markov                
           |
| 57 | 45 | ffvelcdmda 5700 |
. . . . . . . . 9
     Markov                |
| 58 | | simpr 110 |
. . . . . . . . . 10
     
Markov                     |
| 59 | 58 | fveqeq2d 5569 |
. . . . . . . . 9
     
Markov                               |
| 60 | 57, 59 | rspcedv 2872 |
. . . . . . . 8
     Markov                   
       |
| 61 | 56, 60 | sylbid 150 |
. . . . . . 7
     Markov                 
       |
| 62 | 61 | rexlimdva 2614 |
. . . . . 6
    Markov
       
 
     

       |
| 63 | 24, 52, 62 | 3syld 57 |
. . . . 5
    Markov
       
      
       |
| 64 | 3, 63 | exlimddv 1913 |
. . . 4
  
Markov
    
            |
| 65 | 64 | ralrimiva 2570 |
. . 3
 
Markov                   |
| 66 | | ismkvmap 7229 |
. . . . 5
 
Markov      
             |
| 67 | 38, 66 | syl 14 |
. . . 4
 
Markov      
             |
| 68 | 67 | adantr 276 |
. . 3
 
Markov  Markov
     
             |
| 69 | 65, 68 | mpbird 167 |
. 2
 
Markov Markov |
| 70 | 69 | ex 115 |
1
 
Markov Markov  |