| Step | Hyp | Ref
| Expression |
| 1 | | kqval.2 |
. . . . . . . . . 10
 
   |
| 2 | | simplll 798 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
    TopOn    |
| 3 | | simpllr 799 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
      |
| 4 | | simplrl 800 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
      |
| 5 | | simplrr 801 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
      |
| 6 | | simprl 794 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
      |
| 7 | | simprr 796 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
   
 KQ    KQ            
    |
| 8 | 1, 2, 3, 4, 5, 6, 7 | regr1lem 21542 |
. . . . . . . . 9
    TopOn 
      KQ    KQ            
    
   |
| 9 | | 3ancoma 1045 |
. . . . . . . . . . . . . 14
          
 
    
   

    |
| 10 | | incom 3805 |
. . . . . . . . . . . . . . . 16
     |
| 11 | 10 | eqeq1i 2627 |
. . . . . . . . . . . . . . 15
  
    |
| 12 | 11 | 3anbi3i 1255 |
. . . . . . . . . . . . . 14
          
 
    
   

    |
| 13 | 9, 12 | bitri 264 |
. . . . . . . . . . . . 13
          
 
    
   

    |
| 14 | 13 | 2rexbii 3042 |
. . . . . . . . . . . 12
  KQ    KQ            
 
 KQ    KQ            
    |
| 15 | | rexcom 3099 |
. . . . . . . . . . . 12
  KQ    KQ            
 
 KQ    KQ            
    |
| 16 | 14, 15 | bitri 264 |
. . . . . . . . . . 11
  KQ    KQ            
 
 KQ    KQ            
    |
| 17 | 7, 16 | sylnib 318 |
. . . . . . . . . 10
    TopOn 
      KQ    KQ            
   
 KQ    KQ            
    |
| 18 | 1, 2, 3, 5, 4, 6, 17 | regr1lem 21542 |
. . . . . . . . 9
    TopOn 
      KQ    KQ            
    
   |
| 19 | 8, 18 | impbid 202 |
. . . . . . . 8
    TopOn 
      KQ    KQ            
    
   |
| 20 | 19 | expr 643 |
. . . . . . 7
    TopOn 
   
   KQ    KQ            
  
    |
| 21 | 20 | ralrimdva 2969 |
. . . . . 6
   TopOn   
 
  KQ    KQ            
  
     |
| 22 | 1 | kqfeq 21527 |
. . . . . . . . 9
  TopOn 
         


    |
| 23 | | elequ2 2004 |
. . . . . . . . . . 11
 
   |
| 24 | | elequ2 2004 |
. . . . . . . . . . 11
 
   |
| 25 | 23, 24 | bibi12d 335 |
. . . . . . . . . 10
         |
| 26 | 25 | cbvralv 3171 |
. . . . . . . . 9
 




   |
| 27 | 22, 26 | syl6bb 276 |
. . . . . . . 8
  TopOn 
         


    |
| 28 | 27 | 3expb 1266 |
. . . . . . 7
  TopOn  
 
        


    |
| 29 | 28 | adantlr 751 |
. . . . . 6
   TopOn   
 
        


    |
| 30 | 21, 29 | sylibrd 249 |
. . . . 5
   TopOn   
 
  KQ    KQ            
             |
| 31 | 30 | necon1ad 2811 |
. . . 4
   TopOn   
 
        
 KQ    KQ            
     |
| 32 | 31 | ralrimivva 2971 |
. . 3
  TopOn   

        
 KQ    KQ            
     |
| 33 | 1 | kqffn 21528 |
. . . . 5
 TopOn 
  |
| 34 | 33 | adantr 481 |
. . . 4
  TopOn     |
| 35 | | neeq1 2856 |
. . . . . . . 8
     
       |
| 36 | | eleq1 2689 |
. . . . . . . . . 10
     
       |
| 37 | 36 | 3anbi1d 1403 |
. . . . . . . . 9
      
  
    

     |
| 38 | 37 | 2rexbidv 3057 |
. . . . . . . 8
      
KQ    KQ   
  
 KQ    KQ       

     |
| 39 | 35, 38 | imbi12d 334 |
. . . . . . 7
        KQ    KQ   

  
    
 KQ    KQ       

      |
| 40 | 39 | ralbidv 2986 |
. . . . . 6
      
   KQ    KQ   

  
        KQ    KQ       

      |
| 41 | 40 | ralrn 6362 |
. . . . 5
  
     KQ    KQ   

  

        KQ    KQ       

      |
| 42 | | neeq2 2857 |
. . . . . . . 8
         
           |
| 43 | | eleq1 2689 |
. . . . . . . . . 10
     
       |
| 44 | 43 | 3anbi2d 1404 |
. . . . . . . . 9
          
  
    
   

     |
| 45 | 44 | 2rexbidv 3057 |
. . . . . . . 8
      
KQ    KQ       
  
 KQ    KQ            
     |
| 46 | 42, 45 | imbi12d 334 |
. . . . . . 7
            KQ    KQ       

  
        
 KQ    KQ            
      |
| 47 | 46 | ralrn 6362 |
. . . . . 6
  
       KQ    KQ       

  

        
 KQ    KQ            
      |
| 48 | 47 | ralbidv 2986 |
. . . . 5
  

       KQ    KQ       

  


        
 KQ    KQ            
      |
| 49 | 41, 48 | bitrd 268 |
. . . 4
  
     KQ    KQ   

  


        
 KQ    KQ            
      |
| 50 | 34, 49 | syl 17 |
. . 3
  TopOn    
     KQ    KQ   

  


        
 KQ    KQ            
      |
| 51 | 32, 50 | mpbird 247 |
. 2
  TopOn         KQ    KQ   

     |
| 52 | 1 | kqtopon 21530 |
. . . 4
 TopOn 
KQ  TopOn    |
| 53 | 52 | adantr 481 |
. . 3
  TopOn   KQ  TopOn    |
| 54 | | ishaus2 21155 |
. . 3
 KQ  TopOn   KQ  
 
  
KQ    KQ   
       |
| 55 | 53, 54 | syl 17 |
. 2
  TopOn    KQ        KQ    KQ   

      |
| 56 | 51, 55 | mpbird 247 |
1
  TopOn   KQ    |