| Step | Hyp | Ref
| Expression |
| 1 | | rnglidlabl.l |
. . 3
LIdeal   |
| 2 | | rnglidlabl.i |
. . 3

↾s   |
| 3 | | rnglidlabl.z |
. . 3
     |
| 4 | 1, 2, 3 | rnglidlmmgm 14052 |
. 2
  Rng
 mulGrp  Mgm |
| 5 | | eqid 2196 |
. . . . . . . . . 10
mulGrp  mulGrp   |
| 6 | 5 | rngmgp 13492 |
. . . . . . . . 9
 Rng mulGrp  Smgrp |
| 7 | 6 | 3ad2ant1 1020 |
. . . . . . . 8
  Rng
 mulGrp  Smgrp |
| 8 | 7 | adantr 276 |
. . . . . . 7
   Rng
     
   
      mulGrp  Smgrp |
| 9 | 1, 2 | lidlssbas 14033 |
. . . . . . . . . . . . 13
           |
| 10 | 9 | sseld 3182 |
. . . . . . . . . . . 12
             |
| 11 | 9 | sseld 3182 |
. . . . . . . . . . . 12
             |
| 12 | 9 | sseld 3182 |
. . . . . . . . . . . 12
             |
| 13 | 10, 11, 12 | 3anim123d 1330 |
. . . . . . . . . . 11
      
   
         
   
        |
| 14 | 13 | 3ad2ant2 1021 |
. . . . . . . . . 10
  Rng
      
   
         
   
        |
| 15 | 14 | imp 124 |
. . . . . . . . 9
   Rng
     
   
          
   
       |
| 16 | 15 | simp1d 1011 |
. . . . . . . 8
   Rng
     
   
            |
| 17 | | eqid 2196 |
. . . . . . . . . . 11
         |
| 18 | 5, 17 | mgpbasg 13482 |
. . . . . . . . . 10
 Rng        mulGrp     |
| 19 | 18 | 3ad2ant1 1020 |
. . . . . . . . 9
  Rng
        mulGrp     |
| 20 | 19 | adantr 276 |
. . . . . . . 8
   Rng
     
   
             mulGrp     |
| 21 | 16, 20 | eleqtrd 2275 |
. . . . . . 7
   Rng
     
   
         mulGrp     |
| 22 | 15 | simp2d 1012 |
. . . . . . . 8
   Rng
     
   
            |
| 23 | 22, 20 | eleqtrd 2275 |
. . . . . . 7
   Rng
     
   
         mulGrp     |
| 24 | 15 | simp3d 1013 |
. . . . . . . 8
   Rng
     
   
            |
| 25 | 24, 20 | eleqtrd 2275 |
. . . . . . 7
   Rng
     
   
         mulGrp     |
| 26 | | eqid 2196 |
. . . . . . . 8
   mulGrp      mulGrp    |
| 27 | | eqid 2196 |
. . . . . . . 8
  mulGrp     mulGrp    |
| 28 | 26, 27 | sgrpass 13051 |
. . . . . . 7
  mulGrp  Smgrp     mulGrp  
   mulGrp  
   mulGrp          mulGrp        mulGrp         mulGrp        mulGrp        |
| 29 | 8, 21, 23, 25, 28 | syl13anc 1251 |
. . . . . 6
   Rng
     
   
           mulGrp        mulGrp         mulGrp        mulGrp        |
| 30 | | eqid 2196 |
. . . . . . . . . 10
         |
| 31 | 5, 30 | mgpplusgg 13480 |
. . . . . . . . 9
 Rng       mulGrp     |
| 32 | 31 | 3ad2ant1 1020 |
. . . . . . . 8
  Rng
       mulGrp     |
| 33 | 32 | adantr 276 |
. . . . . . 7
   Rng
     
   
            mulGrp     |
| 34 | 33 | oveqd 5939 |
. . . . . . 7
   Rng
     
   
                  mulGrp       |
| 35 | | eqidd 2197 |
. . . . . . 7
   Rng
     
   
        |
| 36 | 33, 34, 35 | oveq123d 5943 |
. . . . . 6
   Rng
     
   
                           mulGrp        mulGrp       |
| 37 | | eqidd 2197 |
. . . . . . 7
   Rng
     
   
        |
| 38 | 33 | oveqd 5939 |
. . . . . . 7
   Rng
     
   
                  mulGrp       |
| 39 | 33, 37, 38 | oveq123d 5943 |
. . . . . 6
   Rng
     
   
                          mulGrp        mulGrp        |
| 40 | 29, 36, 39 | 3eqtr4d 2239 |
. . . . 5
   Rng
     
   
                                        |
| 41 | | simp2 1000 |
. . . . . . 7
  Rng
   |
| 42 | | simp1 999 |
. . . . . . 7
  Rng
 Rng |
| 43 | 2, 30 | ressmulrg 12822 |
. . . . . . . . . 10
 
Rng           |
| 44 | 43 | eqcomd 2202 |
. . . . . . . . 9
 
Rng           |
| 45 | 44 | oveqd 5939 |
. . . . . . . . 9
 
Rng                   |
| 46 | | eqidd 2197 |
. . . . . . . . 9
 
Rng   |
| 47 | 44, 45, 46 | oveq123d 5943 |
. . . . . . . 8
 
Rng                                   |
| 48 | | eqidd 2197 |
. . . . . . . . 9
 
Rng   |
| 49 | 44 | oveqd 5939 |
. . . . . . . . 9
 
Rng                   |
| 50 | 44, 48, 49 | oveq123d 5943 |
. . . . . . . 8
 
Rng                                   |
| 51 | 47, 50 | eqeq12d 2211 |
. . . . . . 7
 
Rng                                 
                                   |
| 52 | 41, 42, 51 | syl2anc 411 |
. . . . . 6
  Rng
                                 
                                   |
| 53 | 52 | adantr 276 |
. . . . 5
   Rng
     
   
                                                                          |
| 54 | 40, 53 | mpbird 167 |
. . . 4
   Rng
     
   
                                        |
| 55 | 54 | ralrimivvva 2580 |
. . 3
  Rng
                                                     |
| 56 | | ressex 12743 |
. . . . . . 7
  Rng   ↾s    |
| 57 | 42, 41, 56 | syl2anc 411 |
. . . . . 6
  Rng
  ↾s    |
| 58 | 2, 57 | eqeltrid 2283 |
. . . . 5
  Rng
   |
| 59 | | eqid 2196 |
. . . . . 6
mulGrp  mulGrp   |
| 60 | | eqid 2196 |
. . . . . 6
         |
| 61 | 59, 60 | mgpbasg 13482 |
. . . . 5
        mulGrp     |
| 62 | 58, 61 | syl 14 |
. . . 4
  Rng
        mulGrp     |
| 63 | | eqid 2196 |
. . . . . . . . . 10
         |
| 64 | 59, 63 | mgpplusgg 13480 |
. . . . . . . . 9
       mulGrp     |
| 65 | 58, 64 | syl 14 |
. . . . . . . 8
  Rng
       mulGrp     |
| 66 | 65 | oveqd 5939 |
. . . . . . . 8
  Rng
             mulGrp       |
| 67 | | eqidd 2197 |
. . . . . . . 8
  Rng
   |
| 68 | 65, 66, 67 | oveq123d 5943 |
. . . . . . 7
  Rng
                      mulGrp        mulGrp       |
| 69 | | eqidd 2197 |
. . . . . . . 8
  Rng
   |
| 70 | 65 | oveqd 5939 |
. . . . . . . 8
  Rng
             mulGrp       |
| 71 | 65, 69, 70 | oveq123d 5943 |
. . . . . . 7
  Rng
                     mulGrp        mulGrp        |
| 72 | 68, 71 | eqeq12d 2211 |
. . . . . 6
  Rng
                                 
     mulGrp        mulGrp         mulGrp        mulGrp         |
| 73 | 62, 72 | raleqbidv 2709 |
. . . . 5
  Rng
  
                                    
    mulGrp         mulGrp        mulGrp         mulGrp        mulGrp         |
| 74 | 62, 73 | raleqbidv 2709 |
. . . 4
  Rng
  
     
                                         mulGrp        mulGrp         mulGrp        mulGrp         mulGrp        mulGrp         |
| 75 | 62, 74 | raleqbidv 2709 |
. . 3
  Rng
  
     
                                           
   mulGrp        mulGrp    
   mulGrp         mulGrp        mulGrp         mulGrp        mulGrp         |
| 76 | 55, 75 | mpbid 147 |
. 2
  Rng
     mulGrp    
   mulGrp        mulGrp         mulGrp        mulGrp         mulGrp        mulGrp        |
| 77 | | eqid 2196 |
. . 3
   mulGrp      mulGrp    |
| 78 | | eqid 2196 |
. . 3
  mulGrp     mulGrp    |
| 79 | 77, 78 | issgrp 13046 |
. 2
 mulGrp  Smgrp
 mulGrp  Mgm     mulGrp        mulGrp    
   mulGrp         mulGrp        mulGrp         mulGrp        mulGrp         |
| 80 | 4, 76, 79 | sylanbrc 417 |
1
  Rng
 mulGrp  Smgrp |