| Step | Hyp | Ref
| Expression |
| 1 | | sseq1 3626 |
. . . 4


   |
| 2 | | raleq 3138 |
. . . . . . 7

 
    |
| 3 | | fveq2 6191 |
. . . . . . . 8

lcm  lcm    |
| 4 | 3 | breq1d 4663 |
. . . . . . 7

 lcm  lcm 
   |
| 5 | 2, 4 | imbi12d 334 |
. . . . . 6

   lcm     lcm      |
| 6 | 5 | ralbidv 2986 |
. . . . 5

 
 
lcm      lcm 
    |
| 7 | | uneq1 3760 |
. . . . . . . 8

          |
| 8 | 7 | fveq2d 6195 |
. . . . . . 7

lcm      lcm        |
| 9 | 3 | oveq1d 6665 |
. . . . . . 7

 lcm  lcm   lcm  lcm    |
| 10 | 8, 9 | eqeq12d 2637 |
. . . . . 6

 lcm       lcm  lcm 
lcm       lcm  lcm     |
| 11 | 10 | ralbidv 2986 |
. . . . 5

 
lcm       lcm  lcm 
 lcm       lcm  lcm     |
| 12 | 6, 11 | anbi12d 747 |
. . . 4

     lcm  
 lcm       lcm  lcm       lcm  
 lcm       lcm  lcm      |
| 13 | 1, 12 | imbi12d 334 |
. . 3

 
    lcm  
 lcm       lcm  lcm   
     lcm  
 lcm       lcm  lcm       |
| 14 | | sseq1 3626 |
. . . 4
 
   |
| 15 | | raleq 3138 |
. . . . . . 7
  

   |
| 16 | | fveq2 6191 |
. . . . . . . 8
 lcm  lcm    |
| 17 | 16 | breq1d 4663 |
. . . . . . 7
  lcm  lcm     |
| 18 | 15, 17 | imbi12d 334 |
. . . . . 6
    lcm  
 
lcm 
    |
| 19 | 18 | ralbidv 2986 |
. . . . 5
  
  lcm      lcm      |
| 20 | | uneq1 3760 |
. . . . . . . 8
           |
| 21 | 20 | fveq2d 6195 |
. . . . . . 7
 lcm      lcm        |
| 22 | 16 | oveq1d 6665 |
. . . . . . 7
  lcm  lcm   lcm  lcm    |
| 23 | 21, 22 | eqeq12d 2637 |
. . . . . 6
  lcm       lcm  lcm  lcm       lcm  lcm     |
| 24 | 23 | ralbidv 2986 |
. . . . 5
  
lcm       lcm  lcm  
lcm       lcm  lcm     |
| 25 | 19, 24 | anbi12d 747 |
. . . 4
     
lcm   
lcm       lcm  lcm      
lcm   
lcm       lcm  lcm      |
| 26 | 14, 25 | imbi12d 334 |
. . 3
      
lcm   
lcm       lcm  lcm        
lcm   
lcm       lcm  lcm       |
| 27 | | sseq1 3626 |
. . . 4
             |
| 28 | | raleq 3138 |
. . . . . . 7
      
         |
| 29 | | fveq2 6191 |
. . . . . . . 8
     lcm  lcm        |
| 30 | 29 | breq1d 4663 |
. . . . . . 7
      lcm 
lcm         |
| 31 | 28, 30 | imbi12d 334 |
. . . . . 6
       
lcm 
        lcm          |
| 32 | 31 | ralbidv 2986 |
. . . . 5
        
lcm  
        lcm          |
| 33 | | uneq1 3760 |
. . . . . . . 8
                   |
| 34 | 33 | fveq2d 6195 |
. . . . . . 7
     lcm      lcm            |
| 35 | 29 | oveq1d 6665 |
. . . . . . 7
      lcm  lcm   lcm      lcm    |
| 36 | 34, 35 | eqeq12d 2637 |
. . . . . 6
      lcm       lcm  lcm 
lcm           lcm      lcm     |
| 37 | 36 | ralbidv 2986 |
. . . . 5
       lcm       lcm  lcm  
lcm           lcm      lcm     |
| 38 | 32, 37 | anbi12d 747 |
. . . 4
       
 
lcm  
 lcm       lcm  lcm            lcm        lcm           lcm      lcm      |
| 39 | 27, 38 | imbi12d 334 |
. . 3
      
 
 
lcm  
 lcm       lcm  lcm   
              lcm        lcm           lcm      lcm       |
| 40 | | sseq1 3626 |
. . . 4
 
   |
| 41 | | raleq 3138 |
. . . . . . 7
  

   |
| 42 | | fveq2 6191 |
. . . . . . . 8
 lcm  lcm    |
| 43 | 42 | breq1d 4663 |
. . . . . . 7
  lcm  lcm     |
| 44 | 41, 43 | imbi12d 334 |
. . . . . 6
    lcm  
 
lcm 
    |
| 45 | 44 | ralbidv 2986 |
. . . . 5
  
  lcm      lcm      |
| 46 | | uneq1 3760 |
. . . . . . . 8
           |
| 47 | 46 | fveq2d 6195 |
. . . . . . 7
 lcm      lcm        |
| 48 | 42 | oveq1d 6665 |
. . . . . . 7
  lcm  lcm   lcm  lcm    |
| 49 | 47, 48 | eqeq12d 2637 |
. . . . . 6
  lcm       lcm  lcm  lcm       lcm  lcm     |
| 50 | 49 | ralbidv 2986 |
. . . . 5
  
lcm       lcm  lcm  
lcm       lcm  lcm     |
| 51 | 45, 50 | anbi12d 747 |
. . . 4
     
lcm   
lcm       lcm  lcm      
lcm   
lcm       lcm  lcm      |
| 52 | 40, 51 | imbi12d 334 |
. . 3
      
lcm   
lcm       lcm  lcm        
lcm   
lcm       lcm  lcm       |
| 53 | | lcmf0 15347 |
. . . . . . . 8
lcm   |
| 54 | | 1dvds 14996 |
. . . . . . . 8
   |
| 55 | 53, 54 | syl5eqbr 4688 |
. . . . . . 7
 lcm 
  |
| 56 | 55 | a1d 25 |
. . . . . 6
  
lcm     |
| 57 | 56 | adantl 482 |
. . . . 5
    
lcm     |
| 58 | 57 | ralrimiva 2966 |
. . . 4

   lcm     |
| 59 | | uncom 3757 |
. . . . . . . . . 10
      
  |
| 60 | | un0 3967 |
. . . . . . . . . 10
       |
| 61 | 59, 60 | eqtri 2644 |
. . . . . . . . 9
       |
| 62 | 61 | a1i 11 |
. . . . . . . 8
         |
| 63 | 62 | fveq2d 6195 |
. . . . . . 7
 lcm 
    lcm      |
| 64 | | lcmfsn 15348 |
. . . . . . 7
 lcm          |
| 65 | 53 | a1i 11 |
. . . . . . . . 9
 lcm 
  |
| 66 | 65 | oveq1d 6665 |
. . . . . . . 8
  lcm  lcm   lcm    |
| 67 | | 1z 11407 |
. . . . . . . . 9
 |
| 68 | | lcmcom 15306 |
. . . . . . . . 9
 
  lcm   lcm    |
| 69 | 67, 68 | mpan 706 |
. . . . . . . 8
  lcm   lcm    |
| 70 | | lcm1 15323 |
. . . . . . . 8
  lcm        |
| 71 | 66, 69, 70 | 3eqtrrd 2661 |
. . . . . . 7
      lcm  lcm    |
| 72 | 63, 64, 71 | 3eqtrd 2660 |
. . . . . 6
 lcm 
     lcm  lcm    |
| 73 | 72 | adantl 482 |
. . . . 5
   lcm 
     lcm  lcm    |
| 74 | 73 | ralrimiva 2966 |
. . . 4

 lcm       lcm  lcm    |
| 75 | 58, 74 | jca 554 |
. . 3

 
 
lcm  
 lcm       lcm  lcm     |
| 76 | | unss 3787 |
. . . . . . . 8
 
         |
| 77 | | simpl 473 |
. . . . . . . 8
 
     |
| 78 | 76, 77 | sylbir 225 |
. . . . . . 7
    
  |
| 79 | 78 | adantl 482 |
. . . . . 6
      
  |
| 80 | | vex 3203 |
. . . . . . . . . . 11
 |
| 81 | 80 | snss 4316 |
. . . . . . . . . 10

    |
| 82 | | lcmfunsnlem1 15350 |
. . . . . . . . . . . 12
  
  
  lcm   
lcm       lcm  lcm   
        lcm         |
| 83 | | lcmfunsnlem2 15353 |
. . . . . . . . . . . 12
  
  
  lcm   
lcm       lcm  lcm   
 lcm           lcm      lcm    |
| 84 | 82, 83 | jca 554 |
. . . . . . . . . . 11
  
  
  lcm   
lcm       lcm  lcm   
 
 
     lcm        lcm           lcm      lcm     |
| 85 | 84 | 3exp1 1283 |
. . . . . . . . . 10
 
     
lcm   
lcm       lcm  lcm            lcm        lcm           lcm      lcm        |
| 86 | 81, 85 | sylbir 225 |
. . . . . . . . 9
         
lcm   
lcm       lcm  lcm            lcm        lcm           lcm      lcm        |
| 87 | 86 | impcom 446 |
. . . . . . . 8
 
      
 
lcm  
 lcm       lcm  lcm  
 
 
     lcm        lcm           lcm      lcm       |
| 88 | 76, 87 | sylbir 225 |
. . . . . . 7
          
lcm   
lcm       lcm  lcm            lcm        lcm           lcm      lcm       |
| 89 | 88 | impcom 446 |
. . . . . 6
      
     lcm   
lcm       lcm  lcm            lcm        lcm           lcm      lcm      |
| 90 | 79, 89 | embantd 59 |
. . . . 5
      
 
    lcm   
lcm       lcm  lcm   
 
 
     lcm        lcm           lcm      lcm      |
| 91 | 90 | ex 450 |
. . . 4
       
 
 
lcm  
 lcm       lcm  lcm     
       lcm        lcm           lcm      lcm       |
| 92 | 91 | com23 86 |
. . 3
      
lcm   
lcm       lcm  lcm   
              lcm        lcm           lcm      lcm       |
| 93 | 13, 26, 39, 52, 75, 92 | findcard2 8200 |
. 2
   
  lcm  
 lcm       lcm  lcm      |
| 94 | 93 | impcom 446 |
1
 
  
  lcm  
 lcm       lcm  lcm     |