| Step | Hyp | Ref
| Expression |
| 1 | | nfv 1843 |
. . 3
  
  |
| 2 | | nfra1 2941 |
. . . 4
     lcm    |
| 3 | | nfv 1843 |
. . . 4
   lcm       lcm  lcm   |
| 4 | 2, 3 | nfan 1828 |
. . 3
     
lcm   
lcm       lcm  lcm    |
| 5 | 1, 4 | nfan 1828 |
. 2
        
lcm   
lcm       lcm  lcm     |
| 6 | | breq2 4657 |
. . . . . . . 8
 
   |
| 7 | 6 | ralbidv 2986 |
. . . . . . 7
  

   |
| 8 | | breq2 4657 |
. . . . . . 7
  lcm  lcm     |
| 9 | 7, 8 | imbi12d 334 |
. . . . . 6
    lcm  
 
lcm 
    |
| 10 | 9 | cbvralv 3171 |
. . . . 5
 
 
lcm      lcm     |
| 11 | | breq2 4657 |
. . . . . . . . . 10
 
   |
| 12 | 11 | ralbidv 2986 |
. . . . . . . . 9
  

   |
| 13 | | breq2 4657 |
. . . . . . . . 9
  lcm  lcm     |
| 14 | 12, 13 | imbi12d 334 |
. . . . . . . 8
    lcm  
 
lcm 
    |
| 15 | 14 | rspcv 3305 |
. . . . . . 7
  
  lcm    
lcm      |
| 16 | 15 | adantl 482 |
. . . . . 6
  
   
  lcm    
lcm      |
| 17 | | sneq 4187 |
. . . . . . . . . . . . 13
  
    |
| 18 | 17 | uneq2d 3767 |
. . . . . . . . . . . 12
           |
| 19 | 18 | fveq2d 6195 |
. . . . . . . . . . 11
 lcm      lcm        |
| 20 | | oveq2 6658 |
. . . . . . . . . . 11
  lcm  lcm   lcm  lcm    |
| 21 | 19, 20 | eqeq12d 2637 |
. . . . . . . . . 10
  lcm       lcm  lcm  lcm       lcm  lcm     |
| 22 | 21 | rspcv 3305 |
. . . . . . . . 9
  
lcm       lcm  lcm  lcm       lcm  lcm     |
| 23 | 22 | 3ad2ant1 1082 |
. . . . . . . 8
    
lcm       lcm  lcm  lcm       lcm  lcm     |
| 24 | 23 | adantr 481 |
. . . . . . 7
  
   
lcm       lcm  lcm  lcm       lcm  lcm     |
| 25 | | simpr 477 |
. . . . . . . . . . . . . . 15
  
    |
| 26 | | lcmfcl 15341 |
. . . . . . . . . . . . . . . . . 18
 
 lcm    |
| 27 | 26 | nn0zd 11480 |
. . . . . . . . . . . . . . . . 17
 
 lcm    |
| 28 | 27 | 3adant1 1079 |
. . . . . . . . . . . . . . . 16
   lcm    |
| 29 | 28 | adantr 481 |
. . . . . . . . . . . . . . 15
  
  lcm    |
| 30 | | simpl1 1064 |
. . . . . . . . . . . . . . 15
  
    |
| 31 | 25, 29, 30 | 3jca 1242 |
. . . . . . . . . . . . . 14
  
   lcm     |
| 32 | 31 | adantr 481 |
. . . . . . . . . . . . 13
       
lcm     lcm     |
| 33 | 32 | adantr 481 |
. . . . . . . . . . . 12
        
lcm    
       lcm 
   |
| 34 | | ssun1 3776 |
. . . . . . . . . . . . . . . 16
     |
| 35 | | ssralv 3666 |
. . . . . . . . . . . . . . . 16
            
   |
| 36 | 34, 35 | mp1i 13 |
. . . . . . . . . . . . . . 15
  
   
         |
| 37 | 36 | imim1d 82 |
. . . . . . . . . . . . . 14
  
     lcm    
     lcm      |
| 38 | 37 | imp31 448 |
. . . . . . . . . . . . 13
        
lcm    
      lcm    |
| 39 | | snidg 4206 |
. . . . . . . . . . . . . . . . . . . 20
     |
| 40 | 39 | olcd 408 |
. . . . . . . . . . . . . . . . . . 19
       |
| 41 | | elun 3753 |
. . . . . . . . . . . . . . . . . . 19
           |
| 42 | 40, 41 | sylibr 224 |
. . . . . . . . . . . . . . . . . 18
       |
| 43 | | breq1 4656 |
. . . . . . . . . . . . . . . . . . 19
 
   |
| 44 | 43 | rspcv 3305 |
. . . . . . . . . . . . . . . . . 18
               |
| 45 | 42, 44 | syl 17 |
. . . . . . . . . . . . . . . . 17
  
        |
| 46 | 45 | 3ad2ant1 1082 |
. . . . . . . . . . . . . . . 16
    
        |
| 47 | 46 | adantr 481 |
. . . . . . . . . . . . . . 15
  
   
        |
| 48 | 47 | adantr 481 |
. . . . . . . . . . . . . 14
       
lcm              |
| 49 | 48 | imp 445 |
. . . . . . . . . . . . 13
        
lcm    
        |
| 50 | 38, 49 | jca 554 |
. . . . . . . . . . . 12
        
lcm    
       lcm 
   |
| 51 | | lcmdvds 15321 |
. . . . . . . . . . . 12
  lcm     lcm  
 lcm  lcm     |
| 52 | 33, 50, 51 | sylc 65 |
. . . . . . . . . . 11
        
lcm    
       lcm  lcm    |
| 53 | | breq1 4656 |
. . . . . . . . . . 11
 lcm       lcm  lcm   lcm     
 lcm  lcm     |
| 54 | 52, 53 | syl5ibrcom 237 |
. . . . . . . . . 10
        
lcm    
       lcm       lcm  lcm  lcm         |
| 55 | 54 | ex 450 |
. . . . . . . . 9
       
lcm            lcm       lcm  lcm  lcm          |
| 56 | 55 | com23 86 |
. . . . . . . 8
       
lcm     lcm       lcm  lcm         lcm          |
| 57 | 56 | ex 450 |
. . . . . . 7
  
     lcm    lcm       lcm  lcm         lcm           |
| 58 | 24, 57 | syl5d 73 |
. . . . . 6
  
     lcm    
lcm       lcm  lcm         lcm           |
| 59 | 16, 58 | syld 47 |
. . . . 5
  
   
  lcm    
lcm       lcm  lcm         lcm           |
| 60 | 10, 59 | syl5bi 232 |
. . . 4
  
   
  lcm    
lcm       lcm  lcm         lcm           |
| 61 | 60 | impd 447 |
. . 3
  
      
lcm   
lcm       lcm  lcm          lcm          |
| 62 | 61 | impancom 456 |
. 2
  
  
  lcm   
lcm       lcm  lcm   

 
     lcm          |
| 63 | 5, 62 | ralrimi 2957 |
1
  
  
  lcm   
lcm       lcm  lcm   
        lcm         |