| Step | Hyp | Ref
| Expression |
| 1 | | cleq1lem 13721 |
. . . . . 6

 
  
       |
| 2 | | uneq2 3761 |
. . . . . . . . 9

      |
| 3 | | un0 3967 |
. . . . . . . . 9
   |
| 4 | 2, 3 | syl6eq 2672 |
. . . . . . . 8

    |
| 5 | 4 | fveq2d 6195 |
. . . . . . 7

lcm 
  lcm    |
| 6 | | fveq2 6191 |
. . . . . . . . 9

lcm  lcm    |
| 7 | | lcmf0 15347 |
. . . . . . . . 9
lcm   |
| 8 | 6, 7 | syl6eq 2672 |
. . . . . . . 8

lcm    |
| 9 | 8 | oveq2d 6666 |
. . . . . . 7

 lcm  lcm lcm    lcm  lcm    |
| 10 | 5, 9 | eqeq12d 2637 |
. . . . . 6

 lcm     lcm  lcm lcm  
lcm   lcm  lcm     |
| 11 | 1, 10 | imbi12d 334 |
. . . . 5

     
lcm 
   lcm  lcm lcm   
  
  lcm   lcm  lcm      |
| 12 | | cleq1lem 13721 |
. . . . . 6
             |
| 13 | | uneq2 3761 |
. . . . . . . 8
 
     |
| 14 | 13 | fveq2d 6195 |
. . . . . . 7
 lcm    lcm      |
| 15 | | fveq2 6191 |
. . . . . . . 8
 lcm  lcm    |
| 16 | 15 | oveq2d 6666 |
. . . . . . 7
  lcm  lcm lcm    lcm  lcm lcm     |
| 17 | 14, 16 | eqeq12d 2637 |
. . . . . 6
  lcm     lcm  lcm lcm   lcm     lcm  lcm lcm      |
| 18 | 12, 17 | imbi12d 334 |
. . . . 5
       lcm     lcm  lcm lcm         lcm     lcm  lcm lcm       |
| 19 | | cleq1lem 13721 |
. . . . . 6
      
  
           |
| 20 | | uneq2 3761 |
. . . . . . . 8
               |
| 21 | 20 | fveq2d 6195 |
. . . . . . 7
     lcm    lcm          |
| 22 | | fveq2 6191 |
. . . . . . . 8
     lcm  lcm        |
| 23 | 22 | oveq2d 6666 |
. . . . . . 7
      lcm  lcm lcm    lcm  lcm lcm         |
| 24 | 21, 23 | eqeq12d 2637 |
. . . . . 6
      lcm 
   lcm  lcm lcm  
lcm 
       lcm  lcm lcm          |
| 25 | 19, 24 | imbi12d 334 |
. . . . 5
       
   lcm     lcm  lcm lcm            
lcm 
       lcm  lcm lcm           |
| 26 | | cleq1lem 13721 |
. . . . . 6
             |
| 27 | | uneq2 3761 |
. . . . . . . 8
 
     |
| 28 | 27 | fveq2d 6195 |
. . . . . . 7
 lcm    lcm      |
| 29 | | fveq2 6191 |
. . . . . . . 8
 lcm  lcm    |
| 30 | 29 | oveq2d 6666 |
. . . . . . 7
  lcm  lcm lcm    lcm  lcm lcm     |
| 31 | 28, 30 | eqeq12d 2637 |
. . . . . 6
  lcm     lcm  lcm lcm   lcm     lcm  lcm lcm      |
| 32 | 26, 31 | imbi12d 334 |
. . . . 5
       lcm     lcm  lcm lcm         lcm     lcm  lcm lcm       |
| 33 | | lcmfcl 15341 |
. . . . . . . . . 10
 
 lcm    |
| 34 | 33 | nn0zd 11480 |
. . . . . . . . 9
 
 lcm    |
| 35 | | lcm1 15323 |
. . . . . . . . 9
 lcm   lcm  lcm     lcm     |
| 36 | 34, 35 | syl 17 |
. . . . . . . 8
 
  lcm  lcm     lcm     |
| 37 | | nn0re 11301 |
. . . . . . . . . . 11
 lcm  lcm    |
| 38 | | nn0ge0 11318 |
. . . . . . . . . . 11
 lcm 
lcm    |
| 39 | 37, 38 | jca 554 |
. . . . . . . . . 10
 lcm   lcm  lcm     |
| 40 | 33, 39 | syl 17 |
. . . . . . . . 9
 
  lcm  lcm     |
| 41 | | absid 14036 |
. . . . . . . . 9
  lcm  lcm      lcm   lcm    |
| 42 | 40, 41 | syl 17 |
. . . . . . . 8
 
    lcm   lcm    |
| 43 | 36, 42 | eqtrd 2656 |
. . . . . . 7
 
  lcm  lcm  lcm    |
| 44 | 43 | adantl 482 |
. . . . . 6
      lcm  lcm  lcm    |
| 45 | 44 | eqcomd 2628 |
. . . . 5
     lcm   lcm  lcm    |
| 46 | | unass 3770 |
. . . . . . . . . . . . . 14
             |
| 47 | 46 | eqcomi 2631 |
. . . . . . . . . . . . 13
             |
| 48 | 47 | a1i 11 |
. . . . . . . . . . . 12
      
                  |
| 49 | 48 | fveq2d 6195 |
. . . . . . . . . . 11
      
    lcm        lcm          |
| 50 | | simpl 473 |
. . . . . . . . . . . . . . 15
 
   |
| 51 | 50 | adantl 482 |
. . . . . . . . . . . . . 14
           |
| 52 | | unss 3787 |
. . . . . . . . . . . . . . . 16
 
         |
| 53 | | simpl 473 |
. . . . . . . . . . . . . . . 16
 
     |
| 54 | 52, 53 | sylbir 225 |
. . . . . . . . . . . . . . 15
    
  |
| 55 | 54 | adantr 481 |
. . . . . . . . . . . . . 14
           |
| 56 | 51, 55 | unssd 3789 |
. . . . . . . . . . . . 13
         
   |
| 57 | 56 | adantl 482 |
. . . . . . . . . . . 12
      
        |
| 58 | | unfi 8227 |
. . . . . . . . . . . . . . . 16
 
     |
| 59 | 58 | ex 450 |
. . . . . . . . . . . . . . 15
       |
| 60 | 59 | adantl 482 |
. . . . . . . . . . . . . 14
 
       |
| 61 | 60 | adantl 482 |
. . . . . . . . . . . . 13
               |
| 62 | 61 | impcom 446 |
. . . . . . . . . . . 12
      
        |
| 63 | | vex 3203 |
. . . . . . . . . . . . . . . . . 18
 |
| 64 | 63 | snss 4316 |
. . . . . . . . . . . . . . . . 17

    |
| 65 | 64 | biimpri 218 |
. . . . . . . . . . . . . . . 16
     |
| 66 | 65 | adantl 482 |
. . . . . . . . . . . . . . 15
 
     |
| 67 | 52, 66 | sylbir 225 |
. . . . . . . . . . . . . 14
       |
| 68 | 67 | adantr 481 |
. . . . . . . . . . . . 13
           |
| 69 | 68 | adantl 482 |
. . . . . . . . . . . 12
      
      |
| 70 | | lcmfunsn 15357 |
. . . . . . . . . . . 12
   

  lcm         lcm 
  lcm    |
| 71 | 57, 62, 69, 70 | syl3anc 1326 |
. . . . . . . . . . 11
      
    lcm         lcm    lcm    |
| 72 | 49, 71 | eqtrd 2656 |
. . . . . . . . . 10
      
    lcm         lcm    lcm    |
| 73 | 72 | adantr 481 |
. . . . . . . . 9
       
     
   lcm     lcm  lcm lcm     lcm         lcm 
  lcm    |
| 74 | 54 | anim1i 592 |
. . . . . . . . . . . . 13
         
     |
| 75 | 74 | adantl 482 |
. . . . . . . . . . . 12
      
          |
| 76 | | id 22 |
. . . . . . . . . . . 12
     
lcm 
   lcm  lcm lcm         lcm     lcm  lcm lcm      |
| 77 | 75, 76 | mpan9 486 |
. . . . . . . . . . 11
       
     
   lcm     lcm  lcm lcm     lcm     lcm  lcm lcm     |
| 78 | 77 | oveq1d 6665 |
. . . . . . . . . 10
       
     
   lcm     lcm  lcm lcm      lcm    lcm    lcm  lcm lcm   lcm    |
| 79 | 34 | adantl 482 |
. . . . . . . . . . . . 13
         lcm    |
| 80 | 79 | adantl 482 |
. . . . . . . . . . . 12
      
    lcm    |
| 81 | 55 | anim2i 593 |
. . . . . . . . . . . . . . 15
      
    
   |
| 82 | 81 | ancomd 467 |
. . . . . . . . . . . . . 14
      
        |
| 83 | | lcmfcl 15341 |
. . . . . . . . . . . . . 14
 
 lcm    |
| 84 | 82, 83 | syl 17 |
. . . . . . . . . . . . 13
      
    lcm    |
| 85 | 84 | nn0zd 11480 |
. . . . . . . . . . . 12
      
    lcm    |
| 86 | | lcmass 15327 |
. . . . . . . . . . . 12
  lcm  lcm 
   lcm  lcm lcm   lcm   lcm  lcm  lcm  lcm     |
| 87 | 80, 85, 69, 86 | syl3anc 1326 |
. . . . . . . . . . 11
      
      lcm  lcm lcm   lcm   lcm  lcm  lcm  lcm     |
| 88 | 87 | adantr 481 |
. . . . . . . . . 10
       
     
   lcm     lcm  lcm lcm       lcm  lcm lcm   lcm   lcm  lcm  lcm  lcm     |
| 89 | 78, 88 | eqtrd 2656 |
. . . . . . . . 9
       
     
   lcm     lcm  lcm lcm      lcm    lcm   lcm  lcm  lcm  lcm     |
| 90 | 73, 89 | eqtrd 2656 |
. . . . . . . 8
       
     
   lcm     lcm  lcm lcm     lcm         lcm  lcm  lcm  lcm     |
| 91 | 53 | adantr 481 |
. . . . . . . . . . . . . . . . 17
     
   |
| 92 | | simpr 477 |
. . . . . . . . . . . . . . . . 17
     
   |
| 93 | 66 | adantr 481 |
. . . . . . . . . . . . . . . . 17
     
   |
| 94 | 91, 92, 93 | 3jca 1242 |
. . . . . . . . . . . . . . . 16
     
 
   |
| 95 | 94 | ex 450 |
. . . . . . . . . . . . . . 15
 
         |
| 96 | 52, 95 | sylbir 225 |
. . . . . . . . . . . . . 14
      
    |
| 97 | 96 | adantr 481 |
. . . . . . . . . . . . 13
          
    |
| 98 | 97 | impcom 446 |
. . . . . . . . . . . 12
      
        |
| 99 | | lcmfunsn 15357 |
. . . . . . . . . . . 12
 
 lcm       lcm  lcm    |
| 100 | 98, 99 | syl 17 |
. . . . . . . . . . 11
      
    lcm       lcm  lcm    |
| 101 | 100 | oveq2d 6666 |
. . . . . . . . . 10
      
     lcm  lcm lcm        lcm  lcm  lcm  lcm     |
| 102 | 101 | eqeq2d 2632 |
. . . . . . . . 9
      
     lcm 
       lcm  lcm lcm       lcm         lcm  lcm  lcm  lcm      |
| 103 | 102 | adantr 481 |
. . . . . . . 8
       
     
   lcm     lcm  lcm lcm      lcm         lcm  lcm lcm       lcm         lcm  lcm  lcm  lcm      |
| 104 | 90, 103 | mpbird 247 |
. . . . . . 7
       
     
   lcm     lcm  lcm lcm     lcm         lcm  lcm lcm         |
| 105 | 104 | exp31 630 |
. . . . . 6
      
     
   lcm     lcm  lcm lcm   
lcm 
       lcm  lcm lcm           |
| 106 | 105 | com23 86 |
. . . . 5
       lcm     lcm  lcm lcm            
lcm 
       lcm  lcm lcm           |
| 107 | 11, 18, 25, 32, 45, 106 | findcard2 8200 |
. . . 4
     
lcm 
   lcm  lcm lcm      |
| 108 | 107 | expd 452 |
. . 3
     lcm     lcm  lcm lcm       |
| 109 | 108 | impcom 446 |
. 2
 
    lcm     lcm  lcm lcm      |
| 110 | 109 | impcom 446 |
1
      
lcm 
   lcm  lcm lcm     |