| Step | Hyp | Ref
| Expression |
| 1 | | lsmcss.3 |
. . . . . . 7

    
     |
| 2 | 1 | sseld 3602 |
. . . . . 6
             |
| 3 | | lsmcss.1 |
. . . . . . . 8
   |
| 4 | | phllmod 19975 |
. . . . . . . 8
   |
| 5 | 3, 4 | syl 17 |
. . . . . . 7
   |
| 6 | | lsmcss.2 |
. . . . . . 7

  |
| 7 | | lsmcss.j |
. . . . . . . . 9
     |
| 8 | | lsmcss.o |
. . . . . . . . 9
     |
| 9 | 7, 8 | ocvss 20014 |
. . . . . . . 8
   |
| 10 | 9 | a1i 11 |
. . . . . . 7

    |
| 11 | | eqid 2622 |
. . . . . . . 8
       |
| 12 | | lsmcss.p |
. . . . . . . 8
     |
| 13 | 7, 11, 12 | lsmelvalx 18055 |
. . . . . . 7
    
    


             |
| 14 | 5, 6, 10, 13 | syl3anc 1326 |
. . . . . 6
  
  


             |
| 15 | 2, 14 | sylibd 229 |
. . . . 5
      

             |
| 16 | 3 | ad2antrr 762 |
. . . . . . . . . . . . . . 15
   
               
  |
| 17 | 6 | ad2antrr 762 |
. . . . . . . . . . . . . . . 16
   
                  |
| 18 | | simplrl 800 |
. . . . . . . . . . . . . . . 16
   
                  |
| 19 | 17, 18 | sseldd 3604 |
. . . . . . . . . . . . . . 15
   
                  |
| 20 | | simplrr 801 |
. . . . . . . . . . . . . . . 16
   
                    |
| 21 | 9, 20 | sseldi 3601 |
. . . . . . . . . . . . . . 15
   
                  |
| 22 | | eqid 2622 |
. . . . . . . . . . . . . . . 16
Scalar  Scalar   |
| 23 | | eqid 2622 |
. . . . . . . . . . . . . . . 16
         |
| 24 | | eqid 2622 |
. . . . . . . . . . . . . . . 16
  Scalar     Scalar    |
| 25 | 22, 23, 7, 11, 24 | ipdir 19984 |
. . . . . . . . . . . . . . 15
  
 
                           Scalar               |
| 26 | 16, 19, 21, 21, 25 | syl13anc 1328 |
. . . . . . . . . . . . . 14
   
                                           Scalar               |
| 27 | | eqid 2622 |
. . . . . . . . . . . . . . . . . 18
   Scalar      Scalar    |
| 28 | 7, 23, 22, 27, 8 | ocvi 20013 |
. . . . . . . . . . . . . . . . 17
                Scalar     |
| 29 | 20, 18, 28 | syl2anc 693 |
. . . . . . . . . . . . . . . 16
   
                           Scalar     |
| 30 | 22, 23, 7, 27 | iporthcom 19980 |
. . . . . . . . . . . . . . . . 17
 
             Scalar              Scalar      |
| 31 | 16, 21, 19, 30 | syl3anc 1326 |
. . . . . . . . . . . . . . . 16
   
                            Scalar  
           Scalar      |
| 32 | 29, 31 | mpbid 222 |
. . . . . . . . . . . . . . 15
   
                           Scalar     |
| 33 | 32 | oveq1d 6665 |
. . . . . . . . . . . . . 14
   
                            Scalar                 Scalar      Scalar               |
| 34 | 16, 4 | syl 17 |
. . . . . . . . . . . . . . . 16
   
               
  |
| 35 | 22 | lmodfgrp 18872 |
. . . . . . . . . . . . . . . 16

Scalar    |
| 36 | 34, 35 | syl 17 |
. . . . . . . . . . . . . . 15
   
                Scalar    |
| 37 | | eqid 2622 |
. . . . . . . . . . . . . . . . 17
   Scalar      Scalar    |
| 38 | 22, 23, 7, 37 | ipcl 19978 |
. . . . . . . . . . . . . . . 16
 
            Scalar     |
| 39 | 16, 21, 21, 38 | syl3anc 1326 |
. . . . . . . . . . . . . . 15
   
                           Scalar     |
| 40 | 37, 24, 27 | grplid 17452 |
. . . . . . . . . . . . . . 15
  Scalar             Scalar        Scalar      Scalar                       |
| 41 | 36, 39, 40 | syl2anc 693 |
. . . . . . . . . . . . . 14
   
                    Scalar      Scalar                       |
| 42 | 26, 33, 41 | 3eqtrd 2660 |
. . . . . . . . . . . . 13
   
                                         |
| 43 | | simpr 477 |
. . . . . . . . . . . . . 14
   
                             |
| 44 | 7, 23, 22, 27, 8 | ocvi 20013 |
. . . . . . . . . . . . . 14
                                  Scalar     |
| 45 | 43, 20, 44 | syl2anc 693 |
. . . . . . . . . . . . 13
   
                                  Scalar     |
| 46 | 42, 45 | eqtr3d 2658 |
. . . . . . . . . . . 12
   
                           Scalar     |
| 47 | | eqid 2622 |
. . . . . . . . . . . . . 14
         |
| 48 | 22, 23, 7, 27, 47 | ipeq0 19983 |
. . . . . . . . . . . . 13
               Scalar          |
| 49 | 16, 21, 48 | syl2anc 693 |
. . . . . . . . . . . 12
   
                            Scalar  
       |
| 50 | 46, 49 | mpbid 222 |
. . . . . . . . . . 11
   
                      |
| 51 | 50 | oveq2d 6666 |
. . . . . . . . . 10
   
                                    |
| 52 | | lmodgrp 18870 |
. . . . . . . . . . . . 13

  |
| 53 | 5, 52 | syl 17 |
. . . . . . . . . . . 12
   |
| 54 | 53 | ad2antrr 762 |
. . . . . . . . . . 11
   
               
  |
| 55 | 7, 11, 47 | grprid 17453 |
. . . . . . . . . . 11
 
              |
| 56 | 54, 19, 55 | syl2anc 693 |
. . . . . . . . . 10
   
                             |
| 57 | 51, 56 | eqtrd 2656 |
. . . . . . . . 9
   
                         |
| 58 | 57, 18 | eqeltrd 2701 |
. . . . . . . 8
   
                         |
| 59 | 58 | ex 450 |
. . . . . . 7
 

                          |
| 60 | | eleq1 2689 |
. . . . . . . 8
         
                 |
| 61 | | eleq1 2689 |
. . . . . . . 8
        
  
       |
| 62 | 60, 61 | imbi12d 334 |
. . . . . . 7
              
       
               |
| 63 | 59, 62 | syl5ibrcom 237 |
. . . . . 6
 

                     |
| 64 | 63 | rexlimdvva 3038 |
. . . . 5
   
                   |
| 65 | 15, 64 | syld 47 |
. . . 4
       
  
    |
| 66 | 65 | pm2.43d 53 |
. . 3
         |
| 67 | 66 | ssrdv 3609 |
. 2

      |
| 68 | | lsmcss.c |
. . . 4
     |
| 69 | 7, 68, 8 | iscss2 20030 |
. . 3
   

  
   |
| 70 | 3, 6, 69 | syl2anc 693 |
. 2
         |
| 71 | 67, 70 | mpbird 247 |
1
   |