Proof of Theorem rhmsubcsetclem2
| Step | Hyp | Ref
| Expression |
| 1 | | simpl 473 |
. . . . . . . 8
 
   |
| 2 | 1 | adantr 481 |
. . . . . . 7
    
 
  |
| 3 | 2 | adantr 481 |
. . . . . 6
   
 
      
     
  |
| 4 | | simpr 477 |
. . . . . . 7
    
 

   |
| 5 | 4 | adantr 481 |
. . . . . 6
   
 
      
     

   |
| 6 | | simpr 477 |
. . . . . . 7
     
           |
| 7 | 6 | adantl 482 |
. . . . . 6
   
 
      
     
      |
| 8 | | rhmsubcsetc.h |
. . . . . . 7
 RingHom      |
| 9 | 8 | rhmresel 42010 |
. . . . . 6
 

       RingHom    |
| 10 | 3, 5, 7, 9 | syl3anc 1326 |
. . . . 5
   
 
      
     

RingHom    |
| 11 | | simpr 477 |
. . . . . . . 8
 
   |
| 12 | | simpl 473 |
. . . . . . . 8
 
   |
| 13 | 11, 12 | anim12i 590 |
. . . . . . 7
    
 

   |
| 14 | 13 | adantr 481 |
. . . . . 6
   
 
      
     

   |
| 15 | | simprl 794 |
. . . . . 6
   
 
      
     
      |
| 16 | 8 | rhmresel 42010 |
. . . . . 6
 

       RingHom    |
| 17 | 3, 14, 15, 16 | syl3anc 1326 |
. . . . 5
   
 
      
     

RingHom    |
| 18 | | rhmco 18737 |
. . . . 5
   RingHom   RingHom  
   RingHom    |
| 19 | 10, 17, 18 | syl2anc 693 |
. . . 4
   
 
      
     
   RingHom    |
| 20 | | rhmsubcsetc.c |
. . . . 5
ExtStrCat   |
| 21 | | rhmsubcsetc.u |
. . . . . 6
   |
| 22 | 21 | ad3antrrr 766 |
. . . . 5
   
 
      
     
  |
| 23 | | eqid 2622 |
. . . . 5
comp  comp   |
| 24 | | rhmsubcsetc.b |
. . . . . . . . . 10
     |
| 25 | 24 | eleq2d 2687 |
. . . . . . . . 9
       |
| 26 | | elinel2 3800 |
. . . . . . . . 9
  
  |
| 27 | 25, 26 | syl6bi 243 |
. . . . . . . 8
     |
| 28 | 27 | imp 445 |
. . . . . . 7
 
   |
| 29 | 28 | adantr 481 |
. . . . . 6
    
 
  |
| 30 | 29 | adantr 481 |
. . . . 5
   
 
      
     
  |
| 31 | 24 | eleq2d 2687 |
. . . . . . . . . . 11
       |
| 32 | | elinel2 3800 |
. . . . . . . . . . 11
  
  |
| 33 | 31, 32 | syl6bi 243 |
. . . . . . . . . 10
     |
| 34 | 33 | adantr 481 |
. . . . . . . . 9
 
     |
| 35 | 34 | com12 32 |
. . . . . . . 8
  
    |
| 36 | 35 | adantr 481 |
. . . . . . 7
 
  
    |
| 37 | 36 | impcom 446 |
. . . . . 6
    
 
  |
| 38 | 37 | adantr 481 |
. . . . 5
   
 
      
     
  |
| 39 | 24 | eleq2d 2687 |
. . . . . . . . . 10
       |
| 40 | | elinel2 3800 |
. . . . . . . . . 10
  
  |
| 41 | 39, 40 | syl6bi 243 |
. . . . . . . . 9
     |
| 42 | 41 | adantr 481 |
. . . . . . . 8
 
     |
| 43 | 42 | adantld 483 |
. . . . . . 7
 
  

   |
| 44 | 43 | imp 445 |
. . . . . 6
    
 
  |
| 45 | 44 | adantr 481 |
. . . . 5
   
 
      
     
  |
| 46 | | eqid 2622 |
. . . . 5
         |
| 47 | | eqid 2622 |
. . . . 5
         |
| 48 | | eqid 2622 |
. . . . 5
         |
| 49 | | simprl 794 |
. . . . . . . . . . . . . . 15
       |
| 50 | 49 | adantr 481 |
. . . . . . . . . . . . . 14
     
       |
| 51 | 11 | anim1i 592 |
. . . . . . . . . . . . . . . 16
     
   |
| 52 | 51 | ancoms 469 |
. . . . . . . . . . . . . . 15
     
   |
| 53 | 52 | adantr 481 |
. . . . . . . . . . . . . 14
     
         |
| 54 | | simpr 477 |
. . . . . . . . . . . . . 14
     
           |
| 55 | 50, 53, 54, 16 | syl3anc 1326 |
. . . . . . . . . . . . 13
     
      RingHom    |
| 56 | 46, 47 | rhmf 18726 |
. . . . . . . . . . . . 13
  RingHom 
              |
| 57 | 55, 56 | syl 17 |
. . . . . . . . . . . 12
     
                   |
| 58 | 57 | ex 450 |
. . . . . . . . . . 11
                         |
| 59 | 58 | ex 450 |
. . . . . . . . . 10
  
                      |
| 60 | 59 | adantr 481 |
. . . . . . . . 9
 
  
                      |
| 61 | 60 | impcom 446 |
. . . . . . . 8
    
 
    
               |
| 62 | 61 | com12 32 |
. . . . . . 7
       
 
                 |
| 63 | 62 | adantr 481 |
. . . . . 6
     
       
 
 
               |
| 64 | 63 | impcom 446 |
. . . . 5
   
 
      
     
              |
| 65 | 9 | 3expa 1265 |
. . . . . . . . . 10
   
 
      RingHom    |
| 66 | 47, 48 | rhmf 18726 |
. . . . . . . . . 10
  RingHom 
              |
| 67 | 65, 66 | syl 17 |
. . . . . . . . 9
   
 
                   |
| 68 | 67 | ex 450 |
. . . . . . . 8
 

                      |
| 69 | 68 | adantlr 751 |
. . . . . . 7
    
 
    
               |
| 70 | 69 | adantld 483 |
. . . . . 6
    
 
     
                    |
| 71 | 70 | imp 445 |
. . . . 5
   
 
      
     
              |
| 72 | 20, 22, 23, 30, 38, 45, 46, 47, 48, 64, 71 | estrcco 16770 |
. . . 4
   
 
      
     
       comp          |
| 73 | 8 | adantr 481 |
. . . . . . 7
 

RingHom      |
| 74 | 73 | oveqdr 6674 |
. . . . . 6
    
 
      RingHom        |
| 75 | | ovres 6800 |
. . . . . . 7
 
   RingHom       RingHom    |
| 76 | 75 | ad2ant2l 782 |
. . . . . 6
    
 
  RingHom       RingHom    |
| 77 | 74, 76 | eqtrd 2656 |
. . . . 5
    
 
     RingHom    |
| 78 | 77 | adantr 481 |
. . . 4
   
 
      
     
     RingHom    |
| 79 | 19, 72, 78 | 3eltr4d 2716 |
. . 3
   
 
      
     
       comp            |
| 80 | 79 | ralrimivva 2971 |
. 2
    
 
                   comp            |
| 81 | 80 | ralrimivva 2971 |
1
 
 

                   comp            |