| Step | Hyp | Ref
| Expression |
| 1 | | sylow2b.h |
. . . 4
 SubGrp    |
| 2 | | eqid 2622 |
. . . . 5
 ↾s   ↾s   |
| 3 | 2 | subggrp 17597 |
. . . 4
 SubGrp 
 ↾s    |
| 4 | 1, 3 | syl 17 |
. . 3
 
↾s    |
| 5 | | sylow2b.xf |
. . . . 5
   |
| 6 | | pwfi 8261 |
. . . . 5

   |
| 7 | 5, 6 | sylib 208 |
. . . 4
    |
| 8 | | sylow2b.k |
. . . . . 6
 SubGrp    |
| 9 | | sylow2b.x |
. . . . . . 7
     |
| 10 | | sylow2b.r |
. . . . . . 7

~QG   |
| 11 | 9, 10 | eqger 17644 |
. . . . . 6
 SubGrp 
  |
| 12 | 8, 11 | syl 17 |
. . . . 5
   |
| 13 | 12 | qsss 7808 |
. . . 4
      |
| 14 | 7, 13 | ssexd 4805 |
. . 3
  
  |
| 15 | 4, 14 | jca 554 |
. 2
   ↾s       |
| 16 | | sylow2b.m |
. . . . . . 7


        |
| 17 | | vex 3203 |
. . . . . . . . 9
 |
| 18 | 17 | mptex 6486 |
. . . . . . . 8
     |
| 19 | 18 | rnex 7100 |
. . . . . . 7
     |
| 20 | 16, 19 | fnmpt2i 7239 |
. . . . . 6

    |
| 21 | 20 | a1i 11 |
. . . . 5
       |
| 22 | | eqid 2622 |
. . . . . . . 8
     |
| 23 | | oveq2 6658 |
. . . . . . . . 9
          |
| 24 | 23 | eleq1d 2686 |
. . . . . . . 8
      
 
       |
| 25 | | sylow2b.a |
. . . . . . . . . . 11
    |
| 26 | 9, 5, 1, 8, 25, 10, 16 | sylow2blem1 18035 |
. . . . . . . . . 10
 

  
 
   |
| 27 | | ovex 6678 |
. . . . . . . . . . . 12
 ~QG   |
| 28 | 10, 27 | eqeltri 2697 |
. . . . . . . . . . 11
 |
| 29 | | subgrcl 17599 |
. . . . . . . . . . . . . 14
 SubGrp 
  |
| 30 | 1, 29 | syl 17 |
. . . . . . . . . . . . 13
   |
| 31 | 30 | 3ad2ant1 1082 |
. . . . . . . . . . . 12
 

  |
| 32 | 9 | subgss 17595 |
. . . . . . . . . . . . . . 15
 SubGrp 
  |
| 33 | 1, 32 | syl 17 |
. . . . . . . . . . . . . 14

  |
| 34 | 33 | sselda 3603 |
. . . . . . . . . . . . 13
 
   |
| 35 | 34 | 3adant3 1081 |
. . . . . . . . . . . 12
 

  |
| 36 | | simp3 1063 |
. . . . . . . . . . . 12
 

  |
| 37 | 9, 25 | grpcl 17430 |
. . . . . . . . . . . 12
 
     |
| 38 | 31, 35, 36, 37 | syl3anc 1326 |
. . . . . . . . . . 11
 

    |
| 39 | | ecelqsg 7802 |
. . . . . . . . . . 11
 
          |
| 40 | 28, 38, 39 | sylancr 695 |
. . . . . . . . . 10
 

 
      |
| 41 | 26, 40 | eqeltrd 2701 |
. . . . . . . . 9
 

  
    |
| 42 | 41 | 3expa 1265 |
. . . . . . . 8
     
      |
| 43 | 22, 24, 42 | ectocld 7814 |
. . . . . . 7
       
     |
| 44 | 43 | ralrimiva 2966 |
. . . . . 6
 
           |
| 45 | 44 | ralrimiva 2966 |
. . . . 5
  
         |
| 46 | | ffnov 6764 |
. . . . 5
             

          |
| 47 | 21, 45, 46 | sylanbrc 698 |
. . . 4
            |
| 48 | 2 | subgbas 17598 |
. . . . . . 7
 SubGrp 
    ↾s     |
| 49 | 1, 48 | syl 17 |
. . . . . 6
    
↾s     |
| 50 | 49 | xpeq1d 5138 |
. . . . 5
         
↾s        |
| 51 | 50 | feq2d 6031 |
. . . 4
               
↾s             |
| 52 | 47, 51 | mpbid 222 |
. . 3
       ↾s            |
| 53 | | oveq2 6658 |
. . . . . . 7
        ↾s         
↾s      |
| 54 | | id 22 |
. . . . . . 7
       |
| 55 | 53, 54 | eqeq12d 2637 |
. . . . . 6
         ↾s            ↾s       |
| 56 | | oveq2 6658 |
. . . . . . . 8
         ↾s             ↾s        |
| 57 | | oveq2 6658 |
. . . . . . . . 9
          |
| 58 | 57 | oveq2d 6666 |
. . . . . . . 8
              |
| 59 | 56, 58 | eqeq12d 2637 |
. . . . . . 7
          ↾s        
  
      ↾s             |
| 60 | 59 | 2ralbidv 2989 |
. . . . . 6
         ↾s    
   
↾s         
↾s        
  
     ↾s    
   
↾s         
↾s             |
| 61 | 55, 60 | anbi12d 747 |
. . . . 5
          ↾s            ↾s         ↾s         
↾s        
          ↾s    
   
↾s    
   
↾s         
↾s              |
| 62 | | simpl 473 |
. . . . . . . 8
 
   |
| 63 | 1 | adantr 481 |
. . . . . . . . 9
 
 SubGrp    |
| 64 | | eqid 2622 |
. . . . . . . . . 10
         |
| 65 | 64 | subg0cl 17602 |
. . . . . . . . 9
 SubGrp 
      |
| 66 | 63, 65 | syl 17 |
. . . . . . . 8
 
       |
| 67 | | simpr 477 |
. . . . . . . 8
 
   |
| 68 | 9, 5, 1, 8, 25, 10, 16 | sylow2blem1 18035 |
. . . . . . . 8
 
   

                |
| 69 | 62, 66, 67, 68 | syl3anc 1326 |
. . . . . . 7
 
     
           |
| 70 | 2, 64 | subg0 17600 |
. . . . . . . . 9
 SubGrp 
        ↾s     |
| 71 | 63, 70 | syl 17 |
. . . . . . . 8
 
         ↾s     |
| 72 | 71 | oveq1d 6665 |
. . . . . . 7
 
     
       ↾s       |
| 73 | 9, 25, 64 | grplid 17452 |
. . . . . . . . 9
 
         |
| 74 | 30, 73 | sylan 488 |
. . . . . . . 8
 
     
   |
| 75 | 74 | eceq1d 7783 |
. . . . . . 7
 
      
     |
| 76 | 69, 72, 75 | 3eqtr3d 2664 |
. . . . . 6
 
      ↾s        |
| 77 | 63 | adantr 481 |
. . . . . . . . . . . . 13
    
 
SubGrp    |
| 78 | 77, 29 | syl 17 |
. . . . . . . . . . . 12
    
 
  |
| 79 | 77, 32 | syl 17 |
. . . . . . . . . . . . 13
    
 
  |
| 80 | | simprl 794 |
. . . . . . . . . . . . 13
    
 
  |
| 81 | 79, 80 | sseldd 3604 |
. . . . . . . . . . . 12
    
 
  |
| 82 | | simprr 796 |
. . . . . . . . . . . . 13
    
 
  |
| 83 | 79, 82 | sseldd 3604 |
. . . . . . . . . . . 12
    
 
  |
| 84 | 67 | adantr 481 |
. . . . . . . . . . . 12
    
 
  |
| 85 | 9, 25 | grpass 17431 |
. . . . . . . . . . . 12
  
    
       |
| 86 | 78, 81, 83, 84, 85 | syl13anc 1328 |
. . . . . . . . . . 11
    
 
 
        |
| 87 | 86 | eceq1d 7783 |
. . . . . . . . . 10
    
 
   
         |
| 88 | 62 | adantr 481 |
. . . . . . . . . . 11
    
 
  |
| 89 | 9, 25 | grpcl 17430 |
. . . . . . . . . . . 12
 
     |
| 90 | 78, 83, 84, 89 | syl3anc 1326 |
. . . . . . . . . . 11
    
 
    |
| 91 | 9, 5, 1, 8, 25, 10, 16 | sylow2blem1 18035 |
. . . . . . . . . . 11
 
  
    
 
     |
| 92 | 88, 80, 90, 91 | syl3anc 1326 |
. . . . . . . . . 10
    
 
    
 
     |
| 93 | 87, 92 | eqtr4d 2659 |
. . . . . . . . 9
    
 
   
         |
| 94 | 25 | subgcl 17604 |
. . . . . . . . . . 11
  SubGrp 
 
   |
| 95 | 77, 80, 82, 94 | syl3anc 1326 |
. . . . . . . . . 10
    
 
    |
| 96 | 9, 5, 1, 8, 25, 10, 16 | sylow2blem1 18035 |
. . . . . . . . . 10
 
 

 
  
   
   |
| 97 | 88, 95, 84, 96 | syl3anc 1326 |
. . . . . . . . 9
    
 
 
  
   
   |
| 98 | 9, 5, 1, 8, 25, 10, 16 | sylow2blem1 18035 |
. . . . . . . . . . 11
 

  
 
   |
| 99 | 88, 82, 84, 98 | syl3anc 1326 |
. . . . . . . . . 10
    
 
  
 
   |
| 100 | 99 | oveq2d 6666 |
. . . . . . . . 9
    
 
            |
| 101 | 93, 97, 100 | 3eqtr4d 2666 |
. . . . . . . 8
    
 
 
  
       |
| 102 | 101 | ralrimivva 2971 |
. . . . . . 7
 
 

 
  
       |
| 103 | 63, 48 | syl 17 |
. . . . . . . 8
 
     ↾s     |
| 104 | 2, 25 | ressplusg 15993 |
. . . . . . . . . . . . 13
 SubGrp 
   ↾s     |
| 105 | 1, 104 | syl 17 |
. . . . . . . . . . . 12
   
↾s     |
| 106 | 105 | oveqdr 6674 |
. . . . . . . . . . 11
 
 
      ↾s       |
| 107 | 106 | oveq1d 6665 |
. . . . . . . . . 10
 
   
       
↾s         |
| 108 | 107 | eqeq1d 2624 |
. . . . . . . . 9
 
        
  
      ↾s        
      |
| 109 | 103, 108 | raleqbidv 3152 |
. . . . . . . 8
 
  
      
  
     ↾s         
↾s        
      |
| 110 | 103, 109 | raleqbidv 3152 |
. . . . . . 7
 
  

      
  
     ↾s    
   
↾s         
↾s        
      |
| 111 | 102, 110 | mpbid 222 |
. . . . . 6
 
      ↾s    
   
↾s         
↾s        
     |
| 112 | 76, 111 | jca 554 |
. . . . 5
 
      
↾s            ↾s         ↾s         
↾s        
      |
| 113 | 22, 61, 112 | ectocld 7814 |
. . . 4
 
  
      ↾s         ↾s    
   
↾s         
↾s             |
| 114 | 113 | ralrimiva 2966 |
. . 3
           ↾s    
   
↾s    
   
↾s         
↾s             |
| 115 | 52, 114 | jca 554 |
. 2
       ↾s                   
↾s         ↾s    
   
↾s         
↾s              |
| 116 | | eqid 2622 |
. . 3
   
↾s       ↾s    |
| 117 | | eqid 2622 |
. . 3
  
↾s      ↾s    |
| 118 | | eqid 2622 |
. . 3
    ↾s       ↾s    |
| 119 | 116, 117,
118 | isga 17724 |
. 2
  ↾s    
  
↾s   

      ↾s                   
↾s         ↾s    
   
↾s         
↾s               |
| 120 | 15, 115, 119 | sylanbrc 698 |
1
   ↾s       |