| Step | Hyp | Ref
| Expression |
| 1 | | simp2 1062 |
. . . . . . . . . 10
  SubGrp  pGrp 
  |
| 2 | | elrabi 3359 |
. . . . . . . . . . 11
  SubGrp   pGrp  ↾s    SubGrp    |
| 3 | | pgpssslw.1 |
. . . . . . . . . . . 12
     |
| 4 | 3 | subgss 17595 |
. . . . . . . . . . 11
 SubGrp 
  |
| 5 | 2, 4 | syl 17 |
. . . . . . . . . 10
  SubGrp   pGrp  ↾s      |
| 6 | | ssfi 8180 |
. . . . . . . . . 10
  
  |
| 7 | 1, 5, 6 | syl2an 494 |
. . . . . . . . 9
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s    
  |
| 8 | | hashcl 13147 |
. . . . . . . . 9
       |
| 9 | 7, 8 | syl 17 |
. . . . . . . 8
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s           |
| 10 | 9 | nn0zd 11480 |
. . . . . . 7
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s           |
| 11 | | pgpssslw.3 |
. . . . . . 7
  SubGrp   pGrp  ↾s          |
| 12 | 10, 11 | fmptd 6385 |
. . . . . 6
  SubGrp  pGrp 
   SubGrp   pGrp  ↾s        |
| 13 | | frn 6053 |
. . . . . 6
    SubGrp   pGrp  ↾s     
  |
| 14 | 12, 13 | syl 17 |
. . . . 5
  SubGrp  pGrp 
  |
| 15 | | fvex 6201 |
. . . . . . . 8
     |
| 16 | 15, 11 | fnmpti 6022 |
. . . . . . 7
 SubGrp   pGrp  ↾s     |
| 17 | | simp1 1061 |
. . . . . . . 8
  SubGrp  pGrp 
SubGrp    |
| 18 | | simp3 1063 |
. . . . . . . 8
  SubGrp  pGrp 
pGrp   |
| 19 | | eqimss2 3658 |
. . . . . . . . . . 11
   |
| 20 | 19 | biantrud 528 |
. . . . . . . . . 10
  pGrp 
↾s 
 pGrp 
↾s      |
| 21 | | oveq2 6658 |
. . . . . . . . . . . 12
  ↾s   ↾s    |
| 22 | | pgpssslw.2 |
. . . . . . . . . . . 12

↾s   |
| 23 | 21, 22 | syl6eqr 2674 |
. . . . . . . . . . 11
  ↾s    |
| 24 | 23 | breq2d 4665 |
. . . . . . . . . 10
  pGrp 
↾s 
pGrp    |
| 25 | 20, 24 | bitr3d 270 |
. . . . . . . . 9
   pGrp
 ↾s 

pGrp    |
| 26 | 25 | elrab 3363 |
. . . . . . . 8
  SubGrp   pGrp  ↾s   
 SubGrp 
pGrp    |
| 27 | 17, 18, 26 | sylanbrc 698 |
. . . . . . 7
  SubGrp  pGrp 
 SubGrp   pGrp  ↾s      |
| 28 | | fnfvelrn 6356 |
. . . . . . 7
   SubGrp   pGrp 
↾s     SubGrp   pGrp  ↾s           |
| 29 | 16, 27, 28 | sylancr 695 |
. . . . . 6
  SubGrp  pGrp 
      |
| 30 | | ne0i 3921 |
. . . . . 6
       |
| 31 | 29, 30 | syl 17 |
. . . . 5
  SubGrp  pGrp 
  |
| 32 | | hashcl 13147 |
. . . . . . . 8
       |
| 33 | 1, 32 | syl 17 |
. . . . . . 7
  SubGrp  pGrp 
      |
| 34 | 33 | nn0red 11352 |
. . . . . 6
  SubGrp  pGrp 
      |
| 35 | | fveq2 6191 |
. . . . . . . . . . 11
           |
| 36 | | fvex 6201 |
. . . . . . . . . . 11
     |
| 37 | 35, 11, 36 | fvmpt 6282 |
. . . . . . . . . 10
  SubGrp   pGrp  ↾s              |
| 38 | 37 | adantl 482 |
. . . . . . . . 9
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s               |
| 39 | | oveq2 6658 |
. . . . . . . . . . . . 13
  ↾s   ↾s    |
| 40 | 39 | breq2d 4665 |
. . . . . . . . . . . 12
  pGrp 
↾s 
pGrp  ↾s     |
| 41 | | sseq2 3627 |
. . . . . . . . . . . 12
 
   |
| 42 | 40, 41 | anbi12d 747 |
. . . . . . . . . . 11
   pGrp
 ↾s 
  pGrp  ↾s      |
| 43 | 42 | elrab 3363 |
. . . . . . . . . 10
  SubGrp   pGrp  ↾s   
 SubGrp   pGrp  ↾s      |
| 44 | 1 | adantr 481 |
. . . . . . . . . . . 12
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s       |
| 45 | 3 | subgss 17595 |
. . . . . . . . . . . . 13
 SubGrp 
  |
| 46 | 45 | ad2antrl 764 |
. . . . . . . . . . . 12
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s       |
| 47 | | ssdomg 8001 |
. . . . . . . . . . . 12
 
   |
| 48 | 44, 46, 47 | sylc 65 |
. . . . . . . . . . 11
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s       |
| 49 | | ssfi 8180 |
. . . . . . . . . . . . 13
  
  |
| 50 | 44, 46, 49 | syl2anc 693 |
. . . . . . . . . . . 12
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s       |
| 51 | | hashdom 13168 |
. . . . . . . . . . . 12
 
     
   
   |
| 52 | 50, 44, 51 | syl2anc 693 |
. . . . . . . . . . 11
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s             
   |
| 53 | 48, 52 | mpbird 247 |
. . . . . . . . . 10
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s        
      |
| 54 | 43, 53 | sylan2b 492 |
. . . . . . . . 9
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s               |
| 55 | 38, 54 | eqbrtrd 4675 |
. . . . . . . 8
   SubGrp  pGrp 
 SubGrp   pGrp  ↾s        
      |
| 56 | 55 | ralrimiva 2966 |
. . . . . . 7
  SubGrp  pGrp 
  SubGrp   pGrp  ↾s              |
| 57 | | breq1 4656 |
. . . . . . . . 9
     
               |
| 58 | 57 | ralrn 6362 |
. . . . . . . 8
  SubGrp   pGrp  ↾s     
      SubGrp   pGrp  ↾s               |
| 59 | 16, 58 | ax-mp 5 |
. . . . . . 7
 
      SubGrp   pGrp  ↾s              |
| 60 | 56, 59 | sylibr 224 |
. . . . . 6
  SubGrp  pGrp 
       |
| 61 | | breq2 4657 |
. . . . . . . 8
    

       |
| 62 | 61 | ralbidv 2986 |
. . . . . . 7
    
 
        |
| 63 | 62 | rspcev 3309 |
. . . . . 6
             
  |
| 64 | 34, 60, 63 | syl2anc 693 |
. . . . 5
  SubGrp  pGrp 
 
  |
| 65 | | suprzcl 11457 |
. . . . 5
 

        |
| 66 | 14, 31, 64, 65 | syl3anc 1326 |
. . . 4
  SubGrp  pGrp 
      |
| 67 | | fvelrnb 6243 |
. . . . 5
  SubGrp   pGrp  ↾s        
  SubGrp   pGrp  ↾s               |
| 68 | 16, 67 | ax-mp 5 |
. . . 4
    
  SubGrp   pGrp  ↾s              |
| 69 | 66, 68 | sylib 208 |
. . 3
  SubGrp  pGrp 
  SubGrp   pGrp  ↾s              |
| 70 | | oveq2 6658 |
. . . . . 6
  ↾s   ↾s    |
| 71 | 70 | breq2d 4665 |
. . . . 5
  pGrp 
↾s 
pGrp  ↾s     |
| 72 | | sseq2 3627 |
. . . . 5
 
   |
| 73 | 71, 72 | anbi12d 747 |
. . . 4
   pGrp
 ↾s 
  pGrp  ↾s      |
| 74 | 73 | rexrab 3370 |
. . 3
   SubGrp   pGrp 
↾s             SubGrp     pGrp  ↾s  
           |
| 75 | 69, 74 | sylib 208 |
. 2
  SubGrp  pGrp 
 SubGrp     pGrp  ↾s              |
| 76 | | simpl3 1066 |
. . . . . . 7
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s              pGrp   |
| 77 | | pgpprm 18008 |
. . . . . . 7
 pGrp
  |
| 78 | 76, 77 | syl 17 |
. . . . . 6
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s             
  |
| 79 | | simprl 794 |
. . . . . 6
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s              SubGrp    |
| 80 | | zssre 11384 |
. . . . . . . . . . . . . . . 16
 |
| 81 | 14, 80 | syl6ss 3615 |
. . . . . . . . . . . . . . 15
  SubGrp  pGrp 
  |
| 82 | 81 | ad2antrr 762 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 83 | 31 | ad2antrr 762 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 84 | 64 | ad2antrr 762 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
 
  |
| 85 | | simprl 794 |
. . . . . . . . . . . . . . . . 17
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
SubGrp    |
| 86 | | simprrr 805 |
. . . . . . . . . . . . . . . . . 18
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
pGrp  ↾s    |
| 87 | | simprrl 804 |
. . . . . . . . . . . . . . . . . . . . 21
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s               pGrp
 ↾s 
   |
| 88 | 87 | adantr 481 |
. . . . . . . . . . . . . . . . . . . 20
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
 pGrp 
↾s     |
| 89 | 88 | simprd 479 |
. . . . . . . . . . . . . . . . . . 19
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 90 | | simprrl 804 |
. . . . . . . . . . . . . . . . . . 19
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 91 | 89, 90 | sstrd 3613 |
. . . . . . . . . . . . . . . . . 18
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 92 | 86, 91 | jca 554 |
. . . . . . . . . . . . . . . . 17
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
 pGrp 
↾s     |
| 93 | 85, 92, 43 | sylanbrc 698 |
. . . . . . . . . . . . . . . 16
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
 SubGrp   pGrp  ↾s      |
| 94 | 93, 37 | syl 17 |
. . . . . . . . . . . . . . 15
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
          |
| 95 | | fnfvelrn 6356 |
. . . . . . . . . . . . . . . 16
   SubGrp   pGrp 
↾s     SubGrp   pGrp  ↾s           |
| 96 | 16, 93, 95 | sylancr 695 |
. . . . . . . . . . . . . . 15
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
      |
| 97 | 94, 96 | eqeltrrd 2702 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
      |
| 98 | | suprub 10984 |
. . . . . . . . . . . . . 14
    
     
   
      |
| 99 | 82, 83, 84, 97, 98 | syl31anc 1329 |
. . . . . . . . . . . . 13
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
   
      |
| 100 | | simprrr 805 |
. . . . . . . . . . . . . . 15
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s                        |
| 101 | 100 | adantr 481 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
          |
| 102 | 79 | adantr 481 |
. . . . . . . . . . . . . . . 16
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
SubGrp    |
| 103 | 73 | elrab 3363 |
. . . . . . . . . . . . . . . 16
  SubGrp   pGrp  ↾s   
 SubGrp   pGrp  ↾s      |
| 104 | 102, 88, 103 | sylanbrc 698 |
. . . . . . . . . . . . . . 15
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
 SubGrp   pGrp  ↾s      |
| 105 | | fveq2 6191 |
. . . . . . . . . . . . . . . 16
           |
| 106 | | fvex 6201 |
. . . . . . . . . . . . . . . 16
     |
| 107 | 105, 11, 106 | fvmpt 6282 |
. . . . . . . . . . . . . . 15
  SubGrp   pGrp  ↾s              |
| 108 | 104, 107 | syl 17 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
          |
| 109 | 101, 108 | eqtr3d 2658 |
. . . . . . . . . . . . 13
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
          |
| 110 | 99, 109 | breqtrd 4679 |
. . . . . . . . . . . 12
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
   
      |
| 111 | | simpll2 1101 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 112 | 45 | ad2antrl 764 |
. . . . . . . . . . . . . 14
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 113 | 111, 112,
49 | syl2anc 693 |
. . . . . . . . . . . . 13
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 114 | | ssfi 8180 |
. . . . . . . . . . . . . 14
     |
| 115 | 113, 90, 114 | syl2anc 693 |
. . . . . . . . . . . . 13
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 116 | | hashcl 13147 |
. . . . . . . . . . . . . 14
       |
| 117 | | hashcl 13147 |
. . . . . . . . . . . . . 14
       |
| 118 | | nn0re 11301 |
. . . . . . . . . . . . . . 15
    
      |
| 119 | | nn0re 11301 |
. . . . . . . . . . . . . . 15
    
      |
| 120 | | lenlt 10116 |
. . . . . . . . . . . . . . 15
               
   
   
       |
| 121 | 118, 119,
120 | syl2an 494 |
. . . . . . . . . . . . . 14
               
   
   
       |
| 122 | 116, 117,
121 | syl2an 494 |
. . . . . . . . . . . . 13
 
     
   
   
       |
| 123 | 113, 115,
122 | syl2anc 693 |
. . . . . . . . . . . 12
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
            
       |
| 124 | 110, 123 | mpbid 222 |
. . . . . . . . . . 11
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
          |
| 125 | | php3 8146 |
. . . . . . . . . . . . . 14
     |
| 126 | 125 | ex 450 |
. . . . . . . . . . . . 13
 
   |
| 127 | 113, 126 | syl 17 |
. . . . . . . . . . . 12
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    

   |
| 128 | | hashsdom 13170 |
. . . . . . . . . . . . 13
 
     
       |
| 129 | 115, 113,
128 | syl2anc 693 |
. . . . . . . . . . . 12
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
            |
| 130 | 127, 129 | sylibrd 249 |
. . . . . . . . . . 11
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    

   
       |
| 131 | 124, 130 | mtod 189 |
. . . . . . . . . 10
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 132 | | sspss 3706 |
. . . . . . . . . . . 12

    |
| 133 | 90, 132 | sylib 208 |
. . . . . . . . . . 11
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
    |
| 134 | 133 | ord 392 |
. . . . . . . . . 10
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
    |
| 135 | 131, 134 | mpd 15 |
. . . . . . . . 9
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

            SubGrp 
 pGrp  ↾s    
  |
| 136 | 135 | expr 643 |
. . . . . . . 8
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

           SubGrp  
 
pGrp 
↾s      |
| 137 | 87 | simpld 475 |
. . . . . . . . . 10
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s              pGrp 
↾s    |
| 138 | 137 | adantr 481 |
. . . . . . . . 9
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

           SubGrp  
pGrp  ↾s    |
| 139 | | oveq2 6658 |
. . . . . . . . . . 11
  ↾s   ↾s    |
| 140 | 139 | breq2d 4665 |
. . . . . . . . . 10
  pGrp 
↾s 
pGrp  ↾s     |
| 141 | | eqimss 3657 |
. . . . . . . . . . 11
   |
| 142 | 141 | biantrurd 529 |
. . . . . . . . . 10
  pGrp 
↾s 
 pGrp  ↾s      |
| 143 | 140, 142 | bitrd 268 |
. . . . . . . . 9
  pGrp 
↾s 
 pGrp  ↾s      |
| 144 | 138, 143 | syl5ibcom 235 |
. . . . . . . 8
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

           SubGrp  

 pGrp 
↾s      |
| 145 | 136, 144 | impbid 202 |
. . . . . . 7
    SubGrp 
pGrp   SubGrp    pGrp
 ↾s 

           SubGrp  
 
pGrp 
↾s  
   |
| 146 | 145 | ralrimiva 2966 |
. . . . . 6
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s              
SubGrp    
pGrp 
↾s  
   |
| 147 | | isslw 18023 |
. . . . . 6
  pSyl   SubGrp  
SubGrp     pGrp 
↾s  
    |
| 148 | 78, 79, 146, 147 | syl3anbrc 1246 |
. . . . 5
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s               pSyl    |
| 149 | 87 | simprd 479 |
. . . . 5
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s                |
| 150 | 148, 149 | jca 554 |
. . . 4
   SubGrp  pGrp 
 SubGrp    pGrp  ↾s                pSyl     |
| 151 | 150 | ex 450 |
. . 3
  SubGrp  pGrp 
  SubGrp    pGrp
 ↾s 

            pSyl      |
| 152 | 151 | reximdv2 3014 |
. 2
  SubGrp  pGrp 
 
SubGrp     pGrp 
↾s              pSyl  
   |
| 153 | 75, 152 | mpd 15 |
1
  SubGrp  pGrp 
  pSyl  
  |