| Step | Hyp | Ref
| Expression |
| 1 | | mgmhmrcl 41781 |
. . . 4
  MgmHom 
 Mgm Mgm  |
| 2 | 1 | simprd 479 |
. . 3
  MgmHom 
Mgm |
| 3 | | mgmhmrcl 41781 |
. . . 4
  MgmHom 
 Mgm Mgm  |
| 4 | 3 | simpld 475 |
. . 3
  MgmHom 
Mgm |
| 5 | 2, 4 | anim12ci 591 |
. 2
   MgmHom   MgmHom  
 Mgm Mgm  |
| 6 | | eqid 2622 |
. . . . 5
         |
| 7 | | eqid 2622 |
. . . . 5
         |
| 8 | 6, 7 | mgmhmf 41784 |
. . . 4
  MgmHom 
              |
| 9 | | eqid 2622 |
. . . . 5
         |
| 10 | 9, 6 | mgmhmf 41784 |
. . . 4
  MgmHom 
              |
| 11 | | fco 6058 |
. . . 4
                           
               |
| 12 | 8, 10, 11 | syl2an 494 |
. . 3
   MgmHom   MgmHom  
                |
| 13 | | eqid 2622 |
. . . . . . . . . 10
       |
| 14 | | eqid 2622 |
. . . . . . . . . 10
       |
| 15 | 9, 13, 14 | mgmhmlin 41786 |
. . . . . . . . 9
   MgmHom     
    
                            |
| 16 | 15 | 3expb 1266 |
. . . . . . . 8
   MgmHom                                         |
| 17 | 16 | adantll 750 |
. . . . . . 7
    MgmHom 
 MgmHom                                          |
| 18 | 17 | fveq2d 6195 |
. . . . . 6
    MgmHom 
 MgmHom                      
                           |
| 19 | | simpll 790 |
. . . . . . 7
    MgmHom 
 MgmHom             
 MgmHom    |
| 20 | 10 | ad2antlr 763 |
. . . . . . . 8
    MgmHom 
 MgmHom                            |
| 21 | | simprl 794 |
. . . . . . . 8
    MgmHom 
 MgmHom             
      |
| 22 | 20, 21 | ffvelrnd 6360 |
. . . . . . 7
    MgmHom 
 MgmHom                        |
| 23 | | simprr 796 |
. . . . . . . 8
    MgmHom 
 MgmHom                    |
| 24 | 20, 23 | ffvelrnd 6360 |
. . . . . . 7
    MgmHom 
 MgmHom                        |
| 25 | | eqid 2622 |
. . . . . . . 8
       |
| 26 | 6, 14, 25 | mgmhmlin 41786 |
. . . . . . 7
   MgmHom         
        
                                            |
| 27 | 19, 22, 24, 26 | syl3anc 1326 |
. . . . . 6
    MgmHom 
 MgmHom                                                          |
| 28 | 18, 27 | eqtrd 2656 |
. . . . 5
    MgmHom 
 MgmHom                      
                               |
| 29 | 4 | adantl 482 |
. . . . . . 7
   MgmHom   MgmHom  
Mgm |
| 30 | 9, 13 | mgmcl 17245 |
. . . . . . . 8
  Mgm    
    
  
          |
| 31 | 30 | 3expb 1266 |
. . . . . . 7
  Mgm                         |
| 32 | 29, 31 | sylan 488 |
. . . . . 6
    MgmHom 
 MgmHom                           |
| 33 | | fvco3 6275 |
. . . . . 6
                                 
             
        |
| 34 | 20, 32, 33 | syl2anc 693 |
. . . . 5
    MgmHom 
 MgmHom                                            |
| 35 | | fvco3 6275 |
. . . . . . 7
                                   |
| 36 | 20, 21, 35 | syl2anc 693 |
. . . . . 6
    MgmHom 
 MgmHom                              |
| 37 | | fvco3 6275 |
. . . . . . 7
                                   |
| 38 | 20, 23, 37 | syl2anc 693 |
. . . . . 6
    MgmHom 
 MgmHom                              |
| 39 | 36, 38 | oveq12d 6668 |
. . . . 5
    MgmHom 
 MgmHom                                                          |
| 40 | 28, 34, 39 | 3eqtr4d 2666 |
. . . 4
    MgmHom 
 MgmHom                                                |
| 41 | 40 | ralrimivva 2971 |
. . 3
   MgmHom   MgmHom  
                                 
            |
| 42 | 12, 41 | jca 554 |
. 2
   MgmHom   MgmHom  
 
            
                                 
             |
| 43 | 9, 7, 13, 25 | ismgmhm 41783 |
. 2
    MgmHom    Mgm
Mgm               
                                 
              |
| 44 | 5, 42, 43 | sylanbrc 698 |
1
   MgmHom   MgmHom  
   MgmHom    |