| Step | Hyp | Ref
| Expression |
| 1 | | ennnfonelemhom.m |
. 2
   |
| 2 | | eleq1 2259 |
. . . . 5

    
       |
| 3 | 2 | rexbidv 2498 |
. . . 4

     
        |
| 4 | 3 | imbi2d 230 |
. . 3

  
     
         |
| 5 | | eleq1 2259 |
. . . . 5
             |
| 6 | 5 | rexbidv 2498 |
. . . 4
  
   
        |
| 7 | 6 | imbi2d 230 |
. . 3
  
                |
| 8 | | eleq1 2259 |
. . . . 5
     
       |
| 9 | 8 | rexbidv 2498 |
. . . 4
       
       |
| 10 | 9 | imbi2d 230 |
. . 3
        
          |
| 11 | | eleq1 2259 |
. . . . 5
             |
| 12 | 11 | rexbidv 2498 |
. . . 4
  
   
        |
| 13 | 12 | imbi2d 230 |
. . 3
  
                |
| 14 | | 1nn0 9282 |
. . . 4
 |
| 15 | | 0ex 4161 |
. . . . . 6
 |
| 16 | 15 | snid 3654 |
. . . . 5
   |
| 17 | | ennnfonelemh.dceq |
. . . . . . . 8
  
DECID   |
| 18 | | ennnfonelemh.f |
. . . . . . . 8
       |
| 19 | | ennnfonelemh.ne |
. . . . . . . 8
   
           |
| 20 | | ennnfonelemh.g |
. . . . . . . 8
 
 
                          |
| 21 | | ennnfonelemh.n |
. . . . . . . 8
frec        |
| 22 | | ennnfonelemh.j |
. . . . . . . 8
               |
| 23 | | ennnfonelemh.h |
. . . . . . . 8
      |
| 24 | 17, 18, 19, 20, 21, 22, 23 | ennnfonelem1 12649 |
. . . . . . 7
                |
| 25 | 24 | dmeqd 4869 |
. . . . . 6
                |
| 26 | | peano1 4631 |
. . . . . . . 8
 |
| 27 | | fof 5483 |
. . . . . . . . . 10
           |
| 28 | 18, 27 | syl 14 |
. . . . . . . . 9
       |
| 29 | 26 | a1i 9 |
. . . . . . . . 9

  |
| 30 | 28, 29 | ffvelcdmd 5701 |
. . . . . . . 8
       |
| 31 | | fnsng 5306 |
. . . . . . . 8
 
                  |
| 32 | 26, 30, 31 | sylancr 414 |
. . . . . . 7
              |
| 33 | | fndm 5358 |
. . . . . . 7
           
  
          |
| 34 | 32, 33 | syl 14 |
. . . . . 6
         
    |
| 35 | 25, 34 | eqtrd 2229 |
. . . . 5
         |
| 36 | 16, 35 | eleqtrrid 2286 |
. . . 4

      |
| 37 | | fveq2 5561 |
. . . . . . 7
           |
| 38 | 37 | dmeqd 4869 |
. . . . . 6
           |
| 39 | 38 | eleq2d 2266 |
. . . . 5
 
   
       |
| 40 | 39 | rspcev 2868 |
. . . 4
 
     
      |
| 41 | 14, 36, 40 | sylancr 414 |
. . 3
 
      |
| 42 | 17 | ad3antrrr 492 |
. . . . . . . . 9
   

     


DECID
  |
| 43 | 18 | ad3antrrr 492 |
. . . . . . . . 9
   

     
      |
| 44 | 19 | ad3antrrr 492 |
. . . . . . . . . 10
   

     
              |
| 45 | | fveq2 5561 |
. . . . . . . . . . . . . 14
           |
| 46 | 45 | neeq1d 2385 |
. . . . . . . . . . . . 13
         
           |
| 47 | 46 | ralbidv 2497 |
. . . . . . . . . . . 12
  
                      |
| 48 | 47 | cbvrexv 2730 |
. . . . . . . . . . 11
  
        
             |
| 49 | 48 | ralbii 2503 |
. . . . . . . . . 10
 
             
           |
| 50 | 44, 49 | sylib 122 |
. . . . . . . . 9
   

     
              |
| 51 | | simplr 528 |
. . . . . . . . 9
   

     
  |
| 52 | 42, 43, 50, 20, 21, 22, 23, 51 | ennnfonelemex 12656 |
. . . . . . . 8
   

     

          |
| 53 | 42 | ad2antrr 488 |
. . . . . . . . . . . . . 14
     
      
         


DECID
  |
| 54 | 43 | ad2antrr 488 |
. . . . . . . . . . . . . 14
     
      
         
      |
| 55 | 44 | ad2antrr 488 |
. . . . . . . . . . . . . 14
     
      
         
              |
| 56 | | simplr 528 |
. . . . . . . . . . . . . 14
     
      
         
  |
| 57 | 53, 54, 55, 20, 21, 22, 23, 56 | ennnfonelemom 12650 |
. . . . . . . . . . . . 13
     
      
         
      |
| 58 | | nnord 4649 |
. . . . . . . . . . . . 13
           |
| 59 | 57, 58 | syl 14 |
. . . . . . . . . . . 12
     
      
         
      |
| 60 | | simpr 110 |
. . . . . . . . . . . 12
     
      
         
          |
| 61 | | ordsucss 4541 |
. . . . . . . . . . . 12
             
           |
| 62 | 59, 60, 61 | sylc 62 |
. . . . . . . . . . 11
     
      
         
          |
| 63 | | simpr 110 |
. . . . . . . . . . . . 13
   

     
      |
| 64 | 42, 43, 44, 20, 21, 22, 23, 51 | ennnfonelemom 12650 |
. . . . . . . . . . . . . 14
   

     
      |
| 65 | | nnsucelsuc 6558 |
. . . . . . . . . . . . . 14
                 |
| 66 | 64, 65 | syl 14 |
. . . . . . . . . . . . 13
   

     
    
       |
| 67 | 63, 66 | mpbid 147 |
. . . . . . . . . . . 12
   

     
      |
| 68 | 67 | ad2antrr 488 |
. . . . . . . . . . 11
     
      
         
      |
| 69 | 62, 68 | sseldd 3185 |
. . . . . . . . . 10
     
      
         
      |
| 70 | 69 | ex 115 |
. . . . . . . . 9
     
                       |
| 71 | 70 | reximdva 2599 |
. . . . . . . 8
   

     
 
        
       |
| 72 | 52, 71 | mpd 13 |
. . . . . . 7
   

     

      |
| 73 | 72 | rexlimdva2 2617 |
. . . . . 6
 

 
    
       |
| 74 | | fveq2 5561 |
. . . . . . . . 9
           |
| 75 | 74 | dmeqd 4869 |
. . . . . . . 8
           |
| 76 | 75 | eleq2d 2266 |
. . . . . . 7
 
   
       |
| 77 | 76 | cbvrexv 2730 |
. . . . . 6
 
   

      |
| 78 | 73, 77 | imbitrrdi 162 |
. . . . 5
 

 
    
       |
| 79 | 78 | expcom 116 |
. . . 4
                 |
| 80 | 79 | a2d 26 |
. . 3
  
     
          |
| 81 | 4, 7, 10, 13, 41, 80 | finds 4637 |
. 2
          |
| 82 | 1, 81 | mpcom 36 |
1
        |