| Step | Hyp | Ref
| Expression |
| 1 | | submrcl 17346 |
. . . 4
 SubMnd 
  |
| 2 | 1 | 3ad2ant1 1082 |
. . 3
  SubMnd  SubMnd 
       |
| 3 | | eqid 2622 |
. . . . 5
         |
| 4 | 3 | submss 17350 |
. . . 4
 SubMnd 
      |
| 5 | 4 | 3ad2ant1 1082 |
. . 3
  SubMnd  SubMnd 
           |
| 6 | 3 | submss 17350 |
. . . 4
 SubMnd 
      |
| 7 | 6 | 3ad2ant2 1083 |
. . 3
  SubMnd  SubMnd 
           |
| 8 | | lsmsubg.p |
. . . 4
     |
| 9 | 3, 8 | lsmssv 18058 |
. . 3
     
      
      |
| 10 | 2, 5, 7, 9 | syl3anc 1326 |
. 2
  SubMnd  SubMnd 
      
      |
| 11 | | simp2 1062 |
. . . 4
  SubMnd  SubMnd 
     SubMnd    |
| 12 | 3, 8 | lsmub1x 18061 |
. . . 4
 
    SubMnd  
    |
| 13 | 5, 11, 12 | syl2anc 693 |
. . 3
  SubMnd  SubMnd 
         |
| 14 | | eqid 2622 |
. . . . 5
         |
| 15 | 14 | subm0cl 17352 |
. . . 4
 SubMnd 
      |
| 16 | 15 | 3ad2ant1 1082 |
. . 3
  SubMnd  SubMnd 
           |
| 17 | 13, 16 | sseldd 3604 |
. 2
  SubMnd  SubMnd 
         
   |
| 18 | | eqid 2622 |
. . . . . . 7
       |
| 19 | 3, 18, 8 | lsmelvalx 18055 |
. . . . . 6
     
        

  
       |
| 20 | 2, 5, 7, 19 | syl3anc 1326 |
. . . . 5
  SubMnd  SubMnd 
        

  
       |
| 21 | 3, 18, 8 | lsmelvalx 18055 |
. . . . . 6
     
        

  
       |
| 22 | 2, 5, 7, 21 | syl3anc 1326 |
. . . . 5
  SubMnd  SubMnd 
        

  
       |
| 23 | 20, 22 | anbi12d 747 |
. . . 4
  SubMnd  SubMnd 
             

                    |
| 24 | | reeanv 3107 |
. . . . 5
  
 
  
    
       
 

       

          |
| 25 | | reeanv 3107 |
. . . . . . 7
  
       
  
    
 
       
          |
| 26 | 2 | adantr 481 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
     |
| 27 | 5 | adantr 481 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
         |
| 28 | | simprll 802 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
     |
| 29 | 27, 28 | sseldd 3604 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
         |
| 30 | | simprlr 803 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
     |
| 31 | 27, 30 | sseldd 3604 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
         |
| 32 | 7 | adantr 481 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
         |
| 33 | | simprrl 804 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
     |
| 34 | 32, 33 | sseldd 3604 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
         |
| 35 | | simprrr 805 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
     |
| 36 | 32, 35 | sseldd 3604 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
         |
| 37 | | simpl3 1066 |
. . . . . . . . . . . . . 14
   SubMnd  SubMnd 
        
         |
| 38 | 37, 30 | sseldd 3604 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
         |
| 39 | | lsmsubg.z |
. . . . . . . . . . . . . 14
Cntz   |
| 40 | 18, 39 | cntzi 17762 |
. . . . . . . . . . . . 13
     
                 |
| 41 | 38, 33, 40 | syl2anc 693 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
                   |
| 42 | 3, 18, 26, 29, 31, 34, 36, 41 | mnd4g 17307 |
. . . . . . . . . . 11
   SubMnd  SubMnd 
        
                                               |
| 43 | | simpl1 1064 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
   SubMnd    |
| 44 | 18 | submcl 17353 |
. . . . . . . . . . . . 13
  SubMnd 
          |
| 45 | 43, 28, 30, 44 | syl3anc 1326 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
            |
| 46 | | simpl2 1065 |
. . . . . . . . . . . . 13
   SubMnd  SubMnd 
        
   SubMnd    |
| 47 | 18 | submcl 17353 |
. . . . . . . . . . . . 13
  SubMnd 
          |
| 48 | 46, 33, 35, 47 | syl3anc 1326 |
. . . . . . . . . . . 12
   SubMnd  SubMnd 
        
            |
| 49 | 3, 18, 8 | lsmelvalix 18056 |
. . . . . . . . . . . 12
  
                                                   |
| 50 | 26, 27, 32, 45, 48, 49 | syl32anc 1334 |
. . . . . . . . . . 11
   SubMnd  SubMnd 
        
                            |
| 51 | 42, 50 | eqeltrrd 2702 |
. . . . . . . . . 10
   SubMnd  SubMnd 
        
                            |
| 52 | | oveq12 6659 |
. . . . . . . . . . 11
        
  
                                   |
| 53 | 52 | eleq1d 2686 |
. . . . . . . . . 10
        
  
             
                           |
| 54 | 51, 53 | syl5ibrcom 237 |
. . . . . . . . 9
   SubMnd  SubMnd 
        
           
  
                 |
| 55 | 54 | anassrs 680 |
. . . . . . . 8
    SubMnd 
SubMnd       
 

                          
    |
| 56 | 55 | rexlimdvva 3038 |
. . . . . . 7
   SubMnd  SubMnd 
                                  
    |
| 57 | 25, 56 | syl5bir 233 |
. . . . . 6
   SubMnd  SubMnd 
          
                       
    |
| 58 | 57 | rexlimdvva 3038 |
. . . . 5
  SubMnd  SubMnd 
      

 
       
                    |
| 59 | 24, 58 | syl5bir 233 |
. . . 4
  SubMnd  SubMnd 
        
       

                    |
| 60 | 23, 59 | sylbid 230 |
. . 3
  SubMnd  SubMnd 
           
  
    
    |
| 61 | 60 | ralrimivv 2970 |
. 2
  SubMnd  SubMnd 
      
  
              |
| 62 | 3, 14, 18 | issubm 17347 |
. . 3
    SubMnd                    
               |
| 63 | 2, 62 | syl 17 |
. 2
  SubMnd  SubMnd 
        SubMnd 
             
                    |
| 64 | 10, 17, 61, 63 | mpbir3and 1245 |
1
  SubMnd  SubMnd 
       SubMnd    |