| Step | Hyp | Ref
| Expression |
| 1 | | eqid 2622 |
. . . 4
         |
| 2 | | cygzn.b |
. . . 4
     |
| 3 | | eqid 2622 |
. . . 4
       |
| 4 | | eqid 2622 |
. . . 4
       |
| 5 | | cygzn.n |
. . . . . 6
  
       |
| 6 | | hashcl 13147 |
. . . . . . . 8
       |
| 7 | 6 | adantl 482 |
. . . . . . 7
 

      |
| 8 | | 0nn0 11307 |
. . . . . . . 8
 |
| 9 | 8 | a1i 11 |
. . . . . . 7
 
   |
| 10 | 7, 9 | ifclda 4120 |
. . . . . 6
   
        |
| 11 | 5, 10 | syl5eqel 2705 |
. . . . 5
   |
| 12 | | cygzn.y |
. . . . . 6
ℤ/nℤ   |
| 13 | 12 | zncrng 19893 |
. . . . 5

  |
| 14 | | crngring 18558 |
. . . . 5

  |
| 15 | | ringgrp 18552 |
. . . . 5

  |
| 16 | 11, 13, 14, 15 | 4syl 19 |
. . . 4
   |
| 17 | | cygzn.g |
. . . . 5

CycGrp |
| 18 | | cyggrp 18291 |
. . . . 5
 CycGrp   |
| 19 | 17, 18 | syl 17 |
. . . 4
   |
| 20 | | cygzn.m |
. . . . 5
.g   |
| 21 | | cygzn.l |
. . . . 5
 RHom   |
| 22 | | cygzn.e |
. . . . 5
       |
| 23 | | cygzn.x |
. . . . 5
   |
| 24 | | cygzn.f |
. . . . 5
            |
| 25 | 2, 5, 12, 20, 21, 22, 17, 23, 24 | cygznlem2a 19916 |
. . . 4
           |
| 26 | 12, 1, 21 | znzrhfo 19896 |
. . . . . . . 8

          |
| 27 | 11, 26 | syl 17 |
. . . . . . 7
           |
| 28 | | foelrn 6378 |
. . . . . . 7
         
     
      |
| 29 | 27, 28 | sylan 488 |
. . . . . 6
 
    
       |
| 30 | | foelrn 6378 |
. . . . . . 7
         
     
      |
| 31 | 27, 30 | sylan 488 |
. . . . . 6
 
    
       |
| 32 | 29, 31 | anim12dan 882 |
. . . . 5
 
    
       
    
       |
| 33 | | reeanv 3107 |
. . . . . . 7
  
    
    
 
    
       |
| 34 | 19 | adantr 481 |
. . . . . . . . . . 11
 
  
  |
| 35 | | simprl 794 |
. . . . . . . . . . 11
 
     |
| 36 | | simprr 796 |
. . . . . . . . . . 11
 
     |
| 37 | 2, 20, 22 | iscyggen 18282 |
. . . . . . . . . . . . . 14


       |
| 38 | 37 | simplbi 476 |
. . . . . . . . . . . . 13
   |
| 39 | 23, 38 | syl 17 |
. . . . . . . . . . . 12
   |
| 40 | 39 | adantr 481 |
. . . . . . . . . . 11
 
  
  |
| 41 | 2, 20, 4 | mulgdir 17573 |
. . . . . . . . . . 11
  
 
                 |
| 42 | 34, 35, 36, 40, 41 | syl13anc 1328 |
. . . . . . . . . 10
 
                    |
| 43 | 11, 13 | syl 17 |
. . . . . . . . . . . . . . 15
   |
| 44 | 21 | zrhrhm 19860 |
. . . . . . . . . . . . . . 15

ℤring RingHom    |
| 45 | | rhmghm 18725 |
. . . . . . . . . . . . . . 15
 ℤring RingHom  ℤring    |
| 46 | 43, 14, 44, 45 | 4syl 19 |
. . . . . . . . . . . . . 14
 ℤring    |
| 47 | 46 | adantr 481 |
. . . . . . . . . . . . 13
 
  
ℤring
   |
| 48 | | zringbas 19824 |
. . . . . . . . . . . . . 14
  ℤring |
| 49 | | zringplusg 19825 |
. . . . . . . . . . . . . 14
 ℤring |
| 50 | 48, 49, 3 | ghmlin 17665 |
. . . . . . . . . . . . 13
  ℤring                          |
| 51 | 47, 35, 36, 50 | syl3anc 1326 |
. . . . . . . . . . . 12
 
                          |
| 52 | 51 | fveq2d 6195 |
. . . . . . . . . . 11
 
                                  |
| 53 | | zaddcl 11417 |
. . . . . . . . . . . 12
 
     |
| 54 | 2, 5, 12, 20, 21, 22, 17, 23, 24 | cygznlem2 19917 |
. . . . . . . . . . . 12
 
                   |
| 55 | 53, 54 | sylan2 491 |
. . . . . . . . . . 11
 
                   |
| 56 | 52, 55 | eqtr3d 2658 |
. . . . . . . . . 10
 
                            |
| 57 | 2, 5, 12, 20, 21, 22, 17, 23, 24 | cygznlem2 19917 |
. . . . . . . . . . . 12
 

            |
| 58 | 57 | adantrr 753 |
. . . . . . . . . . 11
 
               |
| 59 | 2, 5, 12, 20, 21, 22, 17, 23, 24 | cygznlem2 19917 |
. . . . . . . . . . . 12
 

            |
| 60 | 59 | adantrl 752 |
. . . . . . . . . . 11
 
               |
| 61 | 58, 60 | oveq12d 6668 |
. . . . . . . . . 10
 
                                       |
| 62 | 42, 56, 61 | 3eqtr4d 2666 |
. . . . . . . . 9
 
                                               |
| 63 | | oveq12 6659 |
. . . . . . . . . . 11
     
                             |
| 64 | 63 | fveq2d 6195 |
. . . . . . . . . 10
     
                                     |
| 65 | | fveq2 6191 |
. . . . . . . . . . 11
                   |
| 66 | | fveq2 6191 |
. . . . . . . . . . 11
                   |
| 67 | 65, 66 | oveqan12d 6669 |
. . . . . . . . . 10
     
                                             |
| 68 | 64, 67 | eqeq12d 2637 |
. . . . . . . . 9
     
                               
                                             |
| 69 | 62, 68 | syl5ibrcom 237 |
. . . . . . . 8
 
        
    
                             |
| 70 | 69 | rexlimdvva 3038 |
. . . . . . 7
        
    
                             |
| 71 | 33, 70 | syl5bir 233 |
. . . . . 6
             
                             |
| 72 | 71 | imp 445 |
. . . . 5
 
 
    
                                  |
| 73 | 32, 72 | syldan 487 |
. . . 4
 
    
           
                      |
| 74 | 1, 2, 3, 4, 16, 19, 25, 73 | isghmd 17669 |
. . 3
     |
| 75 | 58, 60 | eqeq12d 2637 |
. . . . . . . . . . . . 13
 
                   
       |
| 76 | 2, 5, 12, 20, 21, 22, 17, 23 | cygznlem1 19915 |
. . . . . . . . . . . . 13
 
                   |
| 77 | 75, 76 | bitr4d 271 |
. . . . . . . . . . . 12
 
                   
           |
| 78 | 77 | biimpd 219 |
. . . . . . . . . . 11
 
                               |
| 79 | 65, 66 | eqeqan12d 2638 |
. . . . . . . . . . . 12
     
                                 |
| 80 | | eqeq12 2635 |
. . . . . . . . . . . 12
     
                 |
| 81 | 79, 80 | imbi12d 334 |
. . . . . . . . . . 11
     
              

                
            |
| 82 | 78, 81 | syl5ibrcom 237 |
. . . . . . . . . 10
 
        
    
             |
| 83 | 82 | rexlimdvva 3038 |
. . . . . . . . 9
        
    
             |
| 84 | 33, 83 | syl5bir 233 |
. . . . . . . 8
             
             |
| 85 | 84 | imp 445 |
. . . . . . 7
 
 
    
              
   |
| 86 | 32, 85 | syldan 487 |
. . . . . 6
 
    
                  |
| 87 | 86 | ralrimivva 2971 |
. . . . 5
       
                 |
| 88 | | dff13 6512 |
. . . . 5
        
                             
    |
| 89 | 25, 87, 88 | sylanbrc 698 |
. . . 4
           |
| 90 | 2, 20, 22 | iscyggen2 18283 |
. . . . . . . . 9
 


       |
| 91 | 19, 90 | syl 17 |
. . . . . . . 8
    
      |
| 92 | 23, 91 | mpbid 222 |
. . . . . . 7
   
     |
| 93 | 92 | simprd 479 |
. . . . . 6
  
    |
| 94 | | oveq1 6657 |
. . . . . . . . . 10
 
     |
| 95 | 94 | eqeq2d 2632 |
. . . . . . . . 9
   
     |
| 96 | 95 | cbvrexv 3172 |
. . . . . . . 8
   
     |
| 97 | 27 | adantr 481 |
. . . . . . . . . . . . 13
 
           |
| 98 | | fof 6115 |
. . . . . . . . . . . . 13
                   |
| 99 | 97, 98 | syl 17 |
. . . . . . . . . . . 12
 
           |
| 100 | 99 | ffvelrnda 6359 |
. . . . . . . . . . 11
               |
| 101 | 59 | adantlr 751 |
. . . . . . . . . . . 12
                 |
| 102 | 101 | eqcomd 2628 |
. . . . . . . . . . 11
     
           |
| 103 | | fveq2 6191 |
. . . . . . . . . . . . 13
                   |
| 104 | 103 | eqeq2d 2632 |
. . . . . . . . . . . 12
           
             |
| 105 | 104 | rspcev 3309 |
. . . . . . . . . . 11
          
                        |
| 106 | 100, 102,
105 | syl2anc 693 |
. . . . . . . . . 10
                   |
| 107 | | eqeq1 2626 |
. . . . . . . . . . 11
       
         |
| 108 | 107 | rexbidv 3052 |
. . . . . . . . . 10
    
        
               |
| 109 | 106, 108 | syl5ibrcom 237 |
. . . . . . . . 9
        
            |
| 110 | 109 | rexlimdva 3031 |
. . . . . . . 8
 
  
               |
| 111 | 96, 110 | syl5bi 232 |
. . . . . . 7
 
  
               |
| 112 | 111 | ralimdva 2962 |
. . . . . 6
       
            |
| 113 | 93, 112 | mpd 15 |
. . . . 5
  
           |
| 114 | | dffo3 6374 |
. . . . 5
        
                       |
| 115 | 25, 113, 114 | sylanbrc 698 |
. . . 4
           |
| 116 | | df-f1o 5895 |
. . . 4
                 
           |
| 117 | 89, 115, 116 | sylanbrc 698 |
. . 3
           |
| 118 | 1, 2 | isgim 17704 |
. . 3
  GrpIso                |
| 119 | 74, 117, 118 | sylanbrc 698 |
. 2
  GrpIso    |
| 120 | | brgici 17712 |
. 2
  GrpIso 
𝑔   |
| 121 | | gicsym 17716 |
. 2
 𝑔 𝑔
  |
| 122 | 119, 120,
121 | 3syl 18 |
1
 𝑔   |