| Step | Hyp | Ref
| Expression |
| 1 | | simpl1 1064 |
. . . 4
   SubGrp  SubGrp 
SubGrp   
SubGrp    |
| 2 | | simpl2 1065 |
. . . 4
   SubGrp  SubGrp 
SubGrp   
SubGrp    |
| 3 | | inss1 3833 |
. . . . 5
   |
| 4 | 3 | a1i 11 |
. . . 4
   SubGrp  SubGrp 
SubGrp     
  |
| 5 | | lsmmod.p |
. . . . 5
     |
| 6 | 5 | lsmless2 18075 |
. . . 4
  SubGrp  SubGrp   
         |
| 7 | 1, 2, 4, 6 | syl3anc 1326 |
. . 3
   SubGrp  SubGrp 
SubGrp            |
| 8 | | simpr 477 |
. . . 4
   SubGrp  SubGrp 
SubGrp      |
| 9 | | inss2 3834 |
. . . . 5
   |
| 10 | 9 | a1i 11 |
. . . 4
   SubGrp  SubGrp 
SubGrp     
  |
| 11 | | subgrcl 17599 |
. . . . . . 7
 SubGrp 
  |
| 12 | | eqid 2622 |
. . . . . . . 8
         |
| 13 | 12 | subgacs 17629 |
. . . . . . 7
 SubGrp  ACS        |
| 14 | | acsmre 16313 |
. . . . . . 7
 SubGrp  ACS      SubGrp  Moore        |
| 15 | 1, 11, 13, 14 | 4syl 19 |
. . . . . 6
   SubGrp  SubGrp 
SubGrp    SubGrp  Moore        |
| 16 | | simpl3 1066 |
. . . . . 6
   SubGrp  SubGrp 
SubGrp   
SubGrp    |
| 17 | | mreincl 16259 |
. . . . . 6
  SubGrp  Moore     
SubGrp 
SubGrp     SubGrp    |
| 18 | 15, 2, 16, 17 | syl3anc 1326 |
. . . . 5
   SubGrp  SubGrp 
SubGrp      SubGrp    |
| 19 | 5 | lsmlub 18078 |
. . . . 5
  SubGrp    SubGrp 
SubGrp      
 
      |
| 20 | 1, 18, 16, 19 | syl3anc 1326 |
. . . 4
   SubGrp  SubGrp 
SubGrp       
 
      |
| 21 | 8, 10, 20 | mpbi2and 956 |
. . 3
   SubGrp  SubGrp 
SubGrp          |
| 22 | 7, 21 | ssind 3837 |
. 2
   SubGrp  SubGrp 
SubGrp              |
| 23 | | elin 3796 |
. . . 4
           |
| 24 | | eqid 2622 |
. . . . . . . 8
       |
| 25 | 24, 5 | lsmelval 18064 |
. . . . . . 7
  SubGrp  SubGrp  
   

  
       |
| 26 | 1, 2, 25 | syl2anc 693 |
. . . . . 6
   SubGrp  SubGrp 
SubGrp     
  
          |
| 27 | 1 | adantr 481 |
. . . . . . . . . 10
    SubGrp 
SubGrp  SubGrp  

 
          SubGrp    |
| 28 | 18 | adantr 481 |
. . . . . . . . . 10
    SubGrp 
SubGrp  SubGrp  

 
            SubGrp    |
| 29 | | simprll 802 |
. . . . . . . . . 10
    SubGrp 
SubGrp  SubGrp  

 
            |
| 30 | | simprlr 803 |
. . . . . . . . . . 11
    SubGrp 
SubGrp  SubGrp  

 
            |
| 31 | 27, 11 | syl 17 |
. . . . . . . . . . . . . . 15
    SubGrp 
SubGrp  SubGrp  

 
            |
| 32 | 16 | adantr 481 |
. . . . . . . . . . . . . . . . 17
    SubGrp 
SubGrp  SubGrp  

 
          SubGrp    |
| 33 | 12 | subgss 17595 |
. . . . . . . . . . . . . . . . 17
 SubGrp 
      |
| 34 | 32, 33 | syl 17 |
. . . . . . . . . . . . . . . 16
    SubGrp 
SubGrp  SubGrp  

 
                |
| 35 | 8 | adantr 481 |
. . . . . . . . . . . . . . . . 17
    SubGrp 
SubGrp  SubGrp  

 
            |
| 36 | 35, 29 | sseldd 3604 |
. . . . . . . . . . . . . . . 16
    SubGrp 
SubGrp  SubGrp  

 
            |
| 37 | 34, 36 | sseldd 3604 |
. . . . . . . . . . . . . . 15
    SubGrp 
SubGrp  SubGrp  

 
                |
| 38 | | eqid 2622 |
. . . . . . . . . . . . . . . 16
         |
| 39 | | eqid 2622 |
. . . . . . . . . . . . . . . 16
           |
| 40 | 12, 24, 38, 39 | grplinv 17468 |
. . . . . . . . . . . . . . 15
 
                           |
| 41 | 31, 37, 40 | syl2anc 693 |
. . . . . . . . . . . . . 14
    SubGrp 
SubGrp  SubGrp  

 
                     
          |
| 42 | 41 | oveq1d 6665 |
. . . . . . . . . . . . 13
    SubGrp 
SubGrp  SubGrp  

 
                                              |
| 43 | 39 | subginvcl 17603 |
. . . . . . . . . . . . . . . 16
  SubGrp              |
| 44 | 32, 36, 43 | syl2anc 693 |
. . . . . . . . . . . . . . 15
    SubGrp 
SubGrp  SubGrp  

 
                     |
| 45 | 34, 44 | sseldd 3604 |
. . . . . . . . . . . . . 14
    SubGrp 
SubGrp  SubGrp  

 
                         |
| 46 | | simpll2 1101 |
. . . . . . . . . . . . . . . 16
    SubGrp 
SubGrp  SubGrp  

 
          SubGrp    |
| 47 | 12 | subgss 17595 |
. . . . . . . . . . . . . . . 16
 SubGrp 
      |
| 48 | 46, 47 | syl 17 |
. . . . . . . . . . . . . . 15
    SubGrp 
SubGrp  SubGrp  

 
                |
| 49 | 48, 30 | sseldd 3604 |
. . . . . . . . . . . . . 14
    SubGrp 
SubGrp  SubGrp  

 
                |
| 50 | 12, 24 | grpass 17431 |
. . . . . . . . . . . . . 14
               
   
     
                                                |
| 51 | 31, 45, 37, 49, 50 | syl13anc 1328 |
. . . . . . . . . . . . 13
    SubGrp 
SubGrp  SubGrp  

 
                                                          |
| 52 | 12, 24, 38 | grplid 17452 |
. . . . . . . . . . . . . 14
 
                  |
| 53 | 31, 49, 52 | syl2anc 693 |
. . . . . . . . . . . . 13
    SubGrp 
SubGrp  SubGrp  

 
                       |
| 54 | 42, 51, 53 | 3eqtr3d 2664 |
. . . . . . . . . . . 12
    SubGrp 
SubGrp  SubGrp  

 
                     
             |
| 55 | | simprr 796 |
. . . . . . . . . . . . 13
    SubGrp 
SubGrp  SubGrp  

 
                   |
| 56 | 24 | subgcl 17604 |
. . . . . . . . . . . . 13
  SubGrp                                            |
| 57 | 32, 44, 55, 56 | syl3anc 1326 |
. . . . . . . . . . . 12
    SubGrp 
SubGrp  SubGrp  

 
                     
             |
| 58 | 54, 57 | eqeltrrd 2702 |
. . . . . . . . . . 11
    SubGrp 
SubGrp  SubGrp  

 
            |
| 59 | 30, 58 | elind 3798 |
. . . . . . . . . 10
    SubGrp 
SubGrp  SubGrp  

 
              |
| 60 | 24, 5 | lsmelvali 18065 |
. . . . . . . . . 10
   SubGrp    SubGrp  

                 |
| 61 | 27, 28, 29, 59, 60 | syl22anc 1327 |
. . . . . . . . 9
    SubGrp 
SubGrp  SubGrp  

 
                 
     |
| 62 | 61 | expr 643 |
. . . . . . . 8
    SubGrp 
SubGrp  SubGrp  


                        |
| 63 | | eleq1 2689 |
. . . . . . . . 9
        
  
       |
| 64 | | eleq1 2689 |
. . . . . . . . 9
            
  
    
      |
| 65 | 63, 64 | imbi12d 334 |
. . . . . . . 8
              
       
  
    
       |
| 66 | 62, 65 | syl5ibrcom 237 |
. . . . . . 7
    SubGrp 
SubGrp  SubGrp  


                   |
| 67 | 66 | rexlimdvva 3038 |
. . . . . 6
   SubGrp  SubGrp 
SubGrp                       |
| 68 | 26, 67 | sylbid 230 |
. . . . 5
   SubGrp  SubGrp 
SubGrp     
          |
| 69 | 68 | impd 447 |
. . . 4
   SubGrp  SubGrp 
SubGrp        

      |
| 70 | 23, 69 | syl5bi 232 |
. . 3
   SubGrp  SubGrp 
SubGrp        
       |
| 71 | 70 | ssrdv 3609 |
. 2
   SubGrp  SubGrp 
SubGrp              |
| 72 | 22, 71 | eqssd 3620 |
1
   SubGrp  SubGrp 
SubGrp              |