| Step | Hyp | Ref
| Expression |
| 1 | | simprl 531 |
. . . . . . . 8
        
  
  |
| 2 | 1 | nn0zd 9603 |
. . . . . . 7
        
  
  |
| 3 | | simprr 533 |
. . . . . . . 8
        
     |
| 4 | 3 | nn0zd 9603 |
. . . . . . 7
        
     |
| 5 | 2, 4 | zsubcld 9610 |
. . . . . 6
        
       |
| 6 | | psrbag.d |
. . . . . . . 8
          |
| 7 | 6 | psrbagf 14706 |
. . . . . . 7
       |
| 8 | 7 | 3ad2ant1 1044 |
. . . . . 6
       
      |
| 9 | | simp2 1024 |
. . . . . 6
       
      |
| 10 | | id 19 |
. . . . . . . 8
   |
| 11 | 7 | ffnd 5483 |
. . . . . . . 8
   |
| 12 | 10, 11 | fndmexd 5526 |
. . . . . . 7
   |
| 13 | 12 | 3ad2ant1 1044 |
. . . . . 6
       
  |
| 14 | | inidm 3416 |
. . . . . 6
   |
| 15 | 5, 8, 9, 13, 13, 14 | off 6251 |
. . . . 5
       
 
       |
| 16 | 15 | ffnd 5483 |
. . . 4
       
 
   |
| 17 | 11 | 3ad2ant1 1044 |
. . . . . . 7
       
  |
| 18 | 9 | ffnd 5483 |
. . . . . . 7
       
  |
| 19 | | eqidd 2232 |
. . . . . . 7
        
           |
| 20 | | eqidd 2232 |
. . . . . . 7
        
           |
| 21 | 8 | ffvelcdmda 5783 |
. . . . . . . . 9
        
       |
| 22 | 21 | nn0zd 9603 |
. . . . . . . 8
        
       |
| 23 | 9 | ffvelcdmda 5783 |
. . . . . . . . 9
        
       |
| 24 | 23 | nn0zd 9603 |
. . . . . . . 8
        
       |
| 25 | 22, 24 | zsubcld 9610 |
. . . . . . 7
        
             |
| 26 | 17, 18, 13, 13, 14, 19, 20, 25 | ofvalg 6248 |
. . . . . 6
        
                    |
| 27 | | simp3 1025 |
. . . . . . . . 9
       
   |
| 28 | 18, 17, 13, 13, 14, 20, 19 | ofrfval 6247 |
. . . . . . . . 9
       
 

           |
| 29 | 27, 28 | mpbid 147 |
. . . . . . . 8
       

          |
| 30 | 29 | r19.21bi 2620 |
. . . . . . 7
        
           |
| 31 | | nn0sub 9549 |
. . . . . . . 8
                                 |
| 32 | 23, 21, 31 | syl2anc 411 |
. . . . . . 7
        
     
   
             |
| 33 | 30, 32 | mpbid 147 |
. . . . . 6
        
             |
| 34 | 26, 33 | eqeltrd 2308 |
. . . . 5
        
          |
| 35 | 34 | ralrimiva 2605 |
. . . 4
       

         |
| 36 | | ffnfv 5806 |
. . . 4
                       |
| 37 | 16, 35, 36 | sylanbrc 417 |
. . 3
       
 
       |
| 38 | | simp1 1023 |
. . . . . 6
       
  |
| 39 | 6 | psrbag 14705 |
. . . . . . 7
 
              |
| 40 | 13, 39 | syl 14 |
. . . . . 6
       

    
         |
| 41 | 38, 40 | mpbid 147 |
. . . . 5
       
             |
| 42 | 41 | simprd 114 |
. . . 4
       
       |
| 43 | 23 | nn0ge0d 9461 |
. . . . . . . 8
        
       |
| 44 | 21 | nn0red 9459 |
. . . . . . . . 9
        
       |
| 45 | 23 | nn0red 9459 |
. . . . . . . . 9
        
       |
| 46 | 44, 45 | subge02d 8720 |
. . . . . . . 8
        
 
   
                 |
| 47 | 43, 46 | mpbid 147 |
. . . . . . 7
        
                 |
| 48 | 47 | ralrimiva 2605 |
. . . . . 6
       

                |
| 49 | 16, 17, 13, 13, 14, 26, 19 | ofrfval 6247 |
. . . . . 6
       
               
       |
| 50 | 48, 49 | mpbird 167 |
. . . . 5
       
 
    |
| 51 | 6 | psrbaglesupp 14709 |
. . . . 5
  
              
           |
| 52 | 38, 37, 50, 51 | syl3anc 1273 |
. . . 4
       
  
            |
| 53 | 37 | adantr 276 |
. . . . . . . . 9
        
     
 
       |
| 54 | | simpr 110 |
. . . . . . . . . . 11
        
     
       |
| 55 | 17 | adantr 276 |
. . . . . . . . . . . 12
        
     
  |
| 56 | | elpreima 5767 |
. . . . . . . . . . . 12
                |
| 57 | 55, 56 | syl 14 |
. . . . . . . . . . 11
        
     
     
         |
| 58 | 54, 57 | mpbid 147 |
. . . . . . . . . 10
        
     

       |
| 59 | 58 | simpld 112 |
. . . . . . . . 9
        
     
  |
| 60 | 53, 59 | ffvelcdmd 5784 |
. . . . . . . 8
        
     
         |
| 61 | 60 | nn0zd 9603 |
. . . . . . 7
        
     
         |
| 62 | | elnndc 9849 |
. . . . . . 7
        DECID          |
| 63 | 61, 62 | syl 14 |
. . . . . 6
        
     
DECID   
      |
| 64 | | elpreima 5767 |
. . . . . . . . . 10
        
   

           |
| 65 | 16, 64 | syl 14 |
. . . . . . . . 9
       
            
        |
| 66 | 65 | adantr 276 |
. . . . . . . 8
        
     
            
        |
| 67 | 59, 66 | mpbirand 441 |
. . . . . . 7
        
     
           
       |
| 68 | 67 | dcbid 845 |
. . . . . 6
        
     
DECID
   
   
DECID   
       |
| 69 | 63, 68 | mpbird 167 |
. . . . 5
        
     
DECID
   
      |
| 70 | 69 | ralrimiva 2605 |
. . . 4
       
      DECID           |
| 71 | | ssfidc 7133 |
. . . 4
      
             
     DECID         
  
    
  |
| 72 | 42, 52, 70, 71 | syl3anc 1273 |
. . 3
       
  
    
  |
| 73 | 6 | psrbag 14705 |
. . . 4
                
        |
| 74 | 13, 73 | syl 14 |
. . 3
       
   
           
        |
| 75 | 37, 72, 74 | mpbir2and 952 |
. 2
       
 
   |
| 76 | 75, 50 | jca 306 |
1
       
    
      |