Step | Hyp | Ref
| Expression |
1 | | pgpfac.g |
. . 3
   |
2 | | ablgrp 18198 |
. . 3

  |
3 | | pgpfac.b |
. . . 4
     |
4 | 3 | subgid 17596 |
. . 3
 SubGrp    |
5 | 1, 2, 4 | 3syl 18 |
. 2
 SubGrp    |
6 | | pgpfac.f |
. . 3
   |
7 | | eleq1 2689 |
. . . . . 6
  SubGrp 
SubGrp     |
8 | | eqeq2 2633 |
. . . . . . . 8
   DProd

 DProd     |
9 | 8 | anbi2d 740 |
. . . . . . 7
    DProd 
DProd  
  DProd  DProd      |
10 | 9 | rexbidv 3052 |
. . . . . 6
  
Word    DProd

DProd  
 Word    DProd  DProd      |
11 | 7, 10 | imbi12d 334 |
. . . . 5
   SubGrp   Word    DProd  DProd     SubGrp   Word    DProd 
DProd       |
12 | 11 | imbi2d 330 |
. . . 4
  
 SubGrp 
 Word    DProd  DProd    
  SubGrp   Word    DProd  DProd        |
13 | | eleq1 2689 |
. . . . . 6
  SubGrp 
SubGrp     |
14 | | eqeq2 2633 |
. . . . . . . 8
   DProd

 DProd     |
15 | 14 | anbi2d 740 |
. . . . . . 7
    DProd 
DProd  
  DProd  DProd      |
16 | 15 | rexbidv 3052 |
. . . . . 6
  
Word    DProd

DProd  
 Word    DProd  DProd      |
17 | 13, 16 | imbi12d 334 |
. . . . 5
   SubGrp   Word    DProd  DProd     SubGrp   Word    DProd 
DProd       |
18 | 17 | imbi2d 330 |
. . . 4
  
 SubGrp 
 Word    DProd  DProd    
  SubGrp   Word    DProd  DProd        |
19 | | bi2.04 376 |
. . . . . . . . 9
 
 SubGrp   Word    DProd  DProd    
 SubGrp    Word    DProd 
DProd       |
20 | 19 | imbi2i 326 |
. . . . . . . 8
    SubGrp   Word    DProd 
DProd     
  SubGrp  
 Word    DProd

DProd        |
21 | | bi2.04 376 |
. . . . . . . 8
 
  SubGrp   Word    DProd 
DProd     
   SubGrp   Word    DProd  DProd        |
22 | | bi2.04 376 |
. . . . . . . 8
  SubGrp     Word    DProd 
DProd     
  SubGrp  
 Word    DProd

DProd        |
23 | 20, 21, 22 | 3bitr4i 292 |
. . . . . . 7
 
  SubGrp   Word    DProd 
DProd     
 SubGrp   
 Word    DProd

DProd        |
24 | 23 | albii 1747 |
. . . . . 6
      SubGrp   Word    DProd  DProd     
   SubGrp     Word    DProd 
DProd        |
25 | | df-ral 2917 |
. . . . . 6
 
SubGrp    
 Word    DProd

DProd        SubGrp 
   Word    DProd 
DProd        |
26 | | r19.21v 2960 |
. . . . . 6
 
SubGrp    
 Word    DProd

DProd       SubGrp     Word    DProd  DProd       |
27 | 24, 25, 26 | 3bitr2i 288 |
. . . . 5
      SubGrp   Word    DProd  DProd     
  SubGrp     Word    DProd  DProd       |
28 | | pgpfac.c |
. . . . . . . . 9
 SubGrp   ↾s  CycGrp pGrp   |
29 | 1 | adantr 481 |
. . . . . . . . 9
 
 
SubGrp     Word    DProd 
DProd    SubGrp      |
30 | | pgpfac.p |
. . . . . . . . . 10
 pGrp   |
31 | 30 | adantr 481 |
. . . . . . . . 9
 
 
SubGrp     Word    DProd 
DProd    SubGrp    pGrp
  |
32 | 6 | adantr 481 |
. . . . . . . . 9
 
 
SubGrp     Word    DProd 
DProd    SubGrp      |
33 | | simprr 796 |
. . . . . . . . 9
 
 
SubGrp     Word    DProd 
DProd    SubGrp    SubGrp    |
34 | | simprl 794 |
. . . . . . . . . 10
 
 
SubGrp     Word    DProd 
DProd    SubGrp     SubGrp     Word    DProd  DProd      |
35 | | psseq1 3694 |
. . . . . . . . . . . 12
 
   |
36 | | eqeq2 2633 |
. . . . . . . . . . . . . 14
   DProd

 DProd     |
37 | 36 | anbi2d 740 |
. . . . . . . . . . . . 13
    DProd 
DProd  
  DProd  DProd      |
38 | 37 | rexbidv 3052 |
. . . . . . . . . . . 12
  
Word    DProd

DProd  
 Word    DProd  DProd      |
39 | 35, 38 | imbi12d 334 |
. . . . . . . . . . 11
    Word    DProd 
DProd      Word    DProd 
DProd       |
40 | 39 | cbvralv 3171 |
. . . . . . . . . 10
 
SubGrp     Word    DProd 
DProd    
SubGrp     Word    DProd  DProd      |
41 | 34, 40 | sylib 208 |
. . . . . . . . 9
 
 
SubGrp     Word    DProd 
DProd    SubGrp     SubGrp     Word    DProd  DProd      |
42 | 3, 28, 29, 31, 32, 33, 41 | pgpfaclem3 18482 |
. . . . . . . 8
 
 
SubGrp     Word    DProd 
DProd    SubGrp     Word    DProd 
DProd     |
43 | 42 | exp32 631 |
. . . . . . 7
   SubGrp     Word    DProd 
DProd     SubGrp   Word    DProd 
DProd       |
44 | 43 | a1i 11 |
. . . . . 6
    SubGrp     Word    DProd 
DProd     SubGrp   Word    DProd 
DProd        |
45 | 44 | a2d 29 |
. . . . 5
  
 SubGrp     Word    DProd 
DProd    
  SubGrp   Word    DProd  DProd        |
46 | 27, 45 | syl5bi 232 |
. . . 4
       SubGrp   Word    DProd  DProd      
 SubGrp 
 Word    DProd  DProd        |
47 | 12, 18, 46 | findcard3 8203 |
. . 3
   SubGrp   Word    DProd 
DProd       |
48 | 6, 47 | mpcom 38 |
. 2
  SubGrp   Word    DProd  DProd      |
49 | 5, 48 | mpd 15 |
1
  Word    DProd 
DProd     |