Proof of Theorem distrlem5pr
| Step | Hyp | Ref
| Expression |
| 1 | | df-plp 3882 |
. . . . . . 7
        
          |
| 2 | | visset 1350 |
. . . . . . 7
 |
| 3 | 1, 2 | genpelv 3897 |
. . . . . 6
      
                        |
| 4 | | mulclpr 3916 |
. . . . . 6
 

    |
| 5 | | mulclpr 3916 |
. . . . . 6
 

    |
| 6 | 3, 4, 5 | syl2an 349 |
. . . . 5
    
                          |
| 7 | | df-mp 3883 |
. . . . . . . . . . . 12
        

         |
| 8 | | visset 1350 |
. . . . . . . . . . . 12
 |
| 9 | 7, 8 | genpelv 3897 |
. . . . . . . . . . 11
 

        
       |
| 10 | | df-mp 3883 |
. . . . . . . . . . . 12
        



       |
| 11 | | visset 1350 |
. . . . . . . . . . . 12
 |
| 12 | 10, 11 | genpelv 3897 |
. . . . . . . . . . 11
 

        

      |
| 13 | 9, 12 | bi2anan9 478 |
. . . . . . . . . 10
    
                                  |
| 14 | | ee4anv 982 |
. . . . . . . . . 10
                                               |
| 15 | 13, 14 | syl6bbr 416 |
. . . . . . . . 9
    
                                  |
| 16 | 15 | anbi1d 469 |
. . . . . . . 8
    
                                          |
| 17 | | 19.41vv 964 |
. . . . . . . . . 10
        
     

                               |
| 18 | 17 | bi2ex 734 |
. . . . . . . . 9
            
     

                                   |
| 19 | | 19.41vv 964 |
. . . . . . . . 9
            
     

                                   |
| 20 | 18, 19 | bitr 151 |
. . . . . . . 8
            
     

                                   |
| 21 | 16, 20 | syl6bbr 416 |
. . . . . . 7
    
                                          |
| 22 | 21 | bi2exdv 938 |
. . . . . 6
    
                                                  |
| 23 | | exrot4 778 |
. . . . . . 7
                
     

                                       |
| 24 | | exrot4 778 |
. . . . . . . . 9
            
     

                                   |
| 25 | | 19.42vv 968 |
. . . . . . . . . . 11
         
                                     |
| 26 | | anass 336 |
. . . . . . . . . . . . 13
    
                  
               |
| 27 | | an4 388 |
. . . . . . . . . . . . . . . 16
    
     
    |
| 28 | 27 | anbi1i 368 |
. . . . . . . . . . . . . . 15
     
             
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