| Step | Hyp | Ref
| Expression |
| 1 | | erclwwlksn.w |
. . . . 5
 ClWWalksN
  |
| 2 | | erclwwlksn.r |
. . . . 5
            cyclShift     |
| 3 | 1, 2 | eclclwwlksn1 26952 |
. . . 4
  
   


      cyclShift      |
| 4 | | eqeq1 2626 |
. . . . . . . . . . 11
   cyclShift 

cyclShift     |
| 5 | 4 | rexbidv 3052 |
. . . . . . . . . 10
  
      cyclShift         cyclShift     |
| 6 | 5 | elrab 3363 |
. . . . . . . . 9
         cyclShift  

       cyclShift     |
| 7 | | oveq2 6658 |
. . . . . . . . . . . . 13
  cyclShift   cyclShift    |
| 8 | 7 | eqeq2d 2632 |
. . . . . . . . . . . 12
 
 cyclShift 
 cyclShift     |
| 9 | 8 | cbvrexv 3172 |
. . . . . . . . . . 11
        cyclShift         cyclShift    |
| 10 | | eqeq1 2626 |
. . . . . . . . . . . . . . . . 17
   cyclShift 

cyclShift     |
| 11 | 10 | rexbidv 3052 |
. . . . . . . . . . . . . . . 16
  
      cyclShift         cyclShift     |
| 12 | 11 | elrab 3363 |
. . . . . . . . . . . . . . 15
         cyclShift  

       cyclShift     |
| 13 | | oveq2 6658 |
. . . . . . . . . . . . . . . . . . . 20
  cyclShift   cyclShift    |
| 14 | 13 | eqeq2d 2632 |
. . . . . . . . . . . . . . . . . . 19
 
 cyclShift 
 cyclShift     |
| 15 | 14 | cbvrexv 3172 |
. . . . . . . . . . . . . . . . . 18
        cyclShift         cyclShift    |
| 16 | 1 | eleclclwwlksnlem2 26939 |
. . . . . . . . . . . . . . . . . . . 20
        cyclShift   
   
      cyclShift         cyclShift     |
| 17 | 16 | ex 450 |
. . . . . . . . . . . . . . . . . . 19
     
 cyclShift    

 
      cyclShift         cyclShift      |
| 18 | 17 | rexlimiva 3028 |
. . . . . . . . . . . . . . . . . 18
        cyclShift 
 
         cyclShift 
       cyclShift      |
| 19 | 15, 18 | sylbi 207 |
. . . . . . . . . . . . . . . . 17
        cyclShift 
 
         cyclShift 
       cyclShift      |
| 20 | 19 | expd 452 |
. . . . . . . . . . . . . . . 16
        cyclShift 

  
      cyclShift         cyclShift       |
| 21 | 20 | impcom 446 |
. . . . . . . . . . . . . . 15
         cyclShift            cyclShift 
       cyclShift      |
| 22 | 12, 21 | sylbi 207 |
. . . . . . . . . . . . . 14
         cyclShift            cyclShift 
       cyclShift      |
| 23 | 22 | com12 32 |
. . . . . . . . . . . . 13
 


      cyclShift    
      cyclShift         cyclShift      |
| 24 | 23 | ad2antlr 763 |
. . . . . . . . . . . 12
    

        cyclShift             cyclShift           cyclShift 
       cyclShift      |
| 25 | 24 | imp 445 |
. . . . . . . . . . 11
      
        cyclShift     
      cyclShift            cyclShift 
       cyclShift     |
| 26 | 9, 25 | syl5bb 272 |
. . . . . . . . . 10
      
        cyclShift     
      cyclShift            cyclShift 
       cyclShift     |
| 27 | 26 | anbi2d 740 |
. . . . . . . . 9
      
        cyclShift     
      cyclShift             cyclShift  

       cyclShift      |
| 28 | 6, 27 | syl5bb 272 |
. . . . . . . 8
      
        cyclShift     
      cyclShift      
      cyclShift  

       cyclShift      |
| 29 | 28 | ex 450 |
. . . . . . 7
    

        cyclShift             cyclShift     
      cyclShift  

       cyclShift       |
| 30 | | eleq2 2690 |
. . . . . . . . 9
         cyclShift   
 
      cyclShift      |
| 31 | | eleq2 2690 |
. . . . . . . . . 10
         cyclShift   
 
      cyclShift      |
| 32 | 31 | bibi1d 333 |
. . . . . . . . 9
         cyclShift             cyclShift   
         cyclShift  

       cyclShift       |
| 33 | 30, 32 | imbi12d 334 |
. . . . . . . 8
         cyclShift              cyclShift    
         cyclShift     
      cyclShift  

       cyclShift        |
| 34 | 33 | adantl 482 |
. . . . . . 7
    

        cyclShift      

       cyclShift              cyclShift     
      cyclShift  

       cyclShift        |
| 35 | 29, 34 | mpbird 247 |
. . . . . 6
    

        cyclShift    

        cyclShift       |
| 36 | 35 | ex 450 |
. . . . 5
   
   
      cyclShift   


       cyclShift        |
| 37 | 36 | rexlimdva 3031 |
. . . 4
  
 
        cyclShift             cyclShift        |
| 38 | 3, 37 | sylbid 230 |
. . 3
  
   

        cyclShift        |
| 39 | 38 | pm2.43i 52 |
. 2
  



       cyclShift       |
| 40 | 39 | imp 445 |
1
   
          cyclShift      |