Step | Hyp | Ref
| Expression |
1 | | ablfac.1 |
. . 3
   |
2 | | ablgrp 18198 |
. . 3

  |
3 | | ablfac.b |
. . . 4
     |
4 | 3 | subgid 17596 |
. . 3
 SubGrp    |
5 | | ablfac.c |
. . . 4
 SubGrp   ↾s  CycGrp pGrp   |
6 | | ablfac.2 |
. . . 4
   |
7 | | ablfac.o |
. . . 4
     |
8 | | ablfac.a |
. . . 4
       |
9 | | ablfac.s |
. . . 4
                   |
10 | | ablfac.w |
. . . 4
 SubGrp   Word   DProd

DProd      |
11 | 3, 5, 1, 6, 7, 8, 9, 10 | ablfaclem1 18484 |
. . 3
 SubGrp 
     Word
  DProd 
DProd      |
12 | 1, 2, 4, 11 | 4syl 19 |
. 2
      Word   DProd

DProd      |
13 | | ablfaclem2.f |
. . . . . . . . . . . . . 14
    Word
  |
14 | 13 | ffvelrnda 6359 |
. . . . . . . . . . . . 13
 
     Word   |
15 | | wrdf 13310 |
. . . . . . . . . . . . 13
     Word        ..^             |
16 | 14, 15 | syl 17 |
. . . . . . . . . . . 12
 
        ..^             |
17 | | fdm 6051 |
. . . . . . . . . . . . . 14
        ..^          
     ..^           |
18 | 16, 17 | syl 17 |
. . . . . . . . . . . . 13
 
      ..^           |
19 | 18 | feq2d 6031 |
. . . . . . . . . . . 12
 
                     ..^              |
20 | 16, 19 | mpbird 247 |
. . . . . . . . . . 11
 
               |
21 | 20 | ffvelrnda 6359 |
. . . . . . . . . 10
                   |
22 | 21 | anasss 679 |
. . . . . . . . 9
 

                |
23 | 22 | ralrimivva 2971 |
. . . . . . . 8
  
               |
24 | | eqid 2622 |
. . . . . . . . 9
                               |
25 | 24 | fmpt2x 7236 |
. . . . . . . 8
 

            
                              |
26 | 23, 25 | sylib 208 |
. . . . . . 7
  
               
            |
27 | | ablfaclem2.l |
. . . . . . . 8
          |
28 | 27 | feq2i 6037 |
. . . . . . 7
                     
               
            |
29 | 26, 28 | sylibr 224 |
. . . . . 6
  
                   |
30 | | ablfaclem2.g |
. . . . . . 7
    ..^         |
31 | | f1of 6137 |
. . . . . . 7
    ..^          ..^         |
32 | 30, 31 | syl 17 |
. . . . . 6
    ..^         |
33 | | fco 6058 |
. . . . . 6
   
                    ..^                            ..^         |
34 | 29, 32, 33 | syl2anc 693 |
. . . . 5
                     ..^         |
35 | | iswrdi 13309 |
. . . . 5
   
                 ..^                        Word   |
36 | 34, 35 | syl 17 |
. . . 4
                  Word   |
37 | | ablfaclem2.q |
. . . . . . . . . . . . . . 15
                |
38 | 37 | r19.21bi 2932 |
. . . . . . . . . . . . . 14
 
               |
39 | | ssrab2 3687 |
. . . . . . . . . . . . . . . . . . . 20
     
 |
40 | 8, 39 | eqsstri 3635 |
. . . . . . . . . . . . . . . . . . 19
 |
41 | 40 | a1i 11 |
. . . . . . . . . . . . . . . . . 18

  |
42 | 3, 7, 9, 1, 6, 41 | ablfac1b 18469 |
. . . . . . . . . . . . . . . . 17
  DProd
  |
43 | | fvex 6201 |
. . . . . . . . . . . . . . . . . . . . 21
     |
44 | 3, 43 | eqeltri 2697 |
. . . . . . . . . . . . . . . . . . . 20
 |
45 | 44 | rabex 4813 |
. . . . . . . . . . . . . . . . . . 19

       
        |
46 | 45, 9 | dmmpti 6023 |
. . . . . . . . . . . . . . . . . 18
 |
47 | 46 | a1i 11 |
. . . . . . . . . . . . . . . . 17
   |
48 | 42, 47 | dprdf2 18406 |
. . . . . . . . . . . . . . . 16
     SubGrp    |
49 | 48 | ffvelrnda 6359 |
. . . . . . . . . . . . . . 15
 
     SubGrp    |
50 | 3, 5, 1, 6, 7, 8, 9, 10 | ablfaclem1 18484 |
. . . . . . . . . . . . . . 15
     SubGrp 
         Word
  DProd 
DProd          |
51 | 49, 50 | syl 17 |
. . . . . . . . . . . . . 14
 
          Word   DProd  DProd          |
52 | 38, 51 | eleqtrd 2703 |
. . . . . . . . . . . . 13
 
      Word   DProd  DProd          |
53 | | breq2 4657 |
. . . . . . . . . . . . . . . 16
       DProd
 DProd        |
54 | | oveq2 6658 |
. . . . . . . . . . . . . . . . 17
      DProd   DProd        |
55 | 54 | eqeq1d 2624 |
. . . . . . . . . . . . . . . 16
       DProd
    
 DProd             |
56 | 53, 55 | anbi12d 747 |
. . . . . . . . . . . . . . 15
        DProd 
DProd      
  DProd    
 DProd              |
57 | 56 | elrab 3363 |
. . . . . . . . . . . . . 14
      Word
  DProd  DProd       
     Word   DProd      DProd              |
58 | 57 | simprbi 480 |
. . . . . . . . . . . . 13
      Word
  DProd  DProd          DProd      DProd             |
59 | 52, 58 | syl 17 |
. . . . . . . . . . . 12
 
   DProd      DProd             |
60 | 59 | simpld 475 |
. . . . . . . . . . 11
 
  DProd       |
61 | | dprdf 18405 |
. . . . . . . . . . 11
  DProd                 SubGrp    |
62 | 60, 61 | syl 17 |
. . . . . . . . . 10
 
             SubGrp    |
63 | 62 | ffvelrnda 6359 |
. . . . . . . . 9
                 SubGrp    |
64 | 63 | anasss 679 |
. . . . . . . 8
 

              SubGrp    |
65 | 62 | feqmptd 6249 |
. . . . . . . . 9
 
                     |
66 | 60, 65 | breqtrd 4679 |
. . . . . . . 8
 
  DProd                 |
67 | 48 | feqmptd 6249 |
. . . . . . . . . 10
         |
68 | 65 | oveq2d 6666 |
. . . . . . . . . . . 12
 
  DProd       DProd                  |
69 | 59 | simprd 479 |
. . . . . . . . . . . 12
 
  DProd            |
70 | 68, 69 | eqtr3d 2658 |
. . . . . . . . . . 11
 
  DProd                      |
71 | 70 | mpteq2dva 4744 |
. . . . . . . . . 10
   DProd                         |
72 | 67, 71 | eqtr4d 2659 |
. . . . . . . . 9
   DProd                   |
73 | 42, 72 | breqtrd 4679 |
. . . . . . . 8
  DProd

 DProd                   |
74 | 64, 66, 73 | dprd2d2 18443 |
. . . . . . 7
   DProd               
 DProd                  DProd   DProd                     |
75 | 74 | simpld 475 |
. . . . . 6
  DProd
                 |
76 | | fdm 6051 |
. . . . . . 7
                   
                 |
77 | 29, 76 | syl 17 |
. . . . . 6
                  |
78 | 75, 77, 30 | dprdf1o 18431 |
. . . . 5
   DProd                 
 DProd   
                DProd                    |
79 | 78 | simpld 475 |
. . . 4
  DProd
                   |
80 | 78 | simprd 479 |
. . . . 5
  DProd                    DProd                   |
81 | 74 | simprd 479 |
. . . . 5
  DProd                  DProd   DProd                    |
82 | 72 | oveq2d 6666 |
. . . . . 6
  DProd   DProd   DProd                    |
83 | | ssid 3624 |
. . . . . . . 8
 |
84 | 83 | a1i 11 |
. . . . . . 7

  |
85 | 3, 7, 9, 1, 6, 41,
8, 84 | ablfac1c 18470 |
. . . . . 6
  DProd    |
86 | 82, 85 | eqtr3d 2658 |
. . . . 5
  DProd   DProd                    |
87 | 80, 81, 86 | 3eqtrd 2660 |
. . . 4
  DProd                     |
88 | | breq2 4657 |
. . . . . 6
                    DProd 
DProd                     |
89 | | oveq2 6658 |
. . . . . . 7
                   DProd   DProd                     |
90 | 89 | eqeq1d 2624 |
. . . . . 6
                    DProd   DProd
                     |
91 | 88, 90 | anbi12d 747 |
. . . . 5
                     DProd  DProd     DProd   
             
 DProd   
                   |
92 | 91 | rspcev 3309 |
. . . 4
                   Word   DProd   
             
 DProd   
                  Word    DProd  DProd     |
93 | 36, 79, 87, 92 | syl12anc 1324 |
. . 3
  Word    DProd 
DProd     |
94 | | rabn0 3958 |
. . 3
  Word   DProd 
DProd     Word    DProd

DProd     |
95 | 93, 94 | sylibr 224 |
. 2
  Word   DProd  DProd      |
96 | 12, 95 | eqnetrd 2861 |
1
       |