| Step | Hyp | Ref
| Expression |
| 1 | | eqid 2622 |
. . . . . . . . 9

       
        |
| 2 | | subsaliuncl.1 |
. . . . . . . . 9
 SAlg |
| 3 | 1, 2 | rabexd 4814 |
. . . . . . . 8
           |
| 4 | 3 | ralrimivw 2967 |
. . . . . . 7
            |
| 5 | | eqid 2622 |
. . . . . . . 8
 
                   |
| 6 | 5 | fnmpt 6020 |
. . . . . . 7
 

                   |
| 7 | 4, 6 | syl 17 |
. . . . . 6
  
          |
| 8 | | nnex 11026 |
. . . . . . 7
 |
| 9 | | fnrndomg 9358 |
. . . . . . 7
   
                     |
| 10 | 8, 9 | ax-mp 5 |
. . . . . 6
            
          |
| 11 | 7, 10 | syl 17 |
. . . . 5
             |
| 12 | | nnenom 12779 |
. . . . . 6
 |
| 13 | 12 | a1i 11 |
. . . . 5
   |
| 14 | | domentr 8015 |
. . . . 5
           
             |
| 15 | 11, 13, 14 | syl2anc 693 |
. . . 4
             |
| 16 | | vex 3203 |
. . . . . . . 8
 |
| 17 | 5 | elrnmpt 5372 |
. . . . . . . 8
            

          |
| 18 | 16, 17 | ax-mp 5 |
. . . . . . 7
  
        

         |
| 19 | 18 | biimpi 206 |
. . . . . 6
  
        

         |
| 20 | 19 | adantl 482 |
. . . . 5
 
 
         

         |
| 21 | | simp3 1063 |
. . . . . . . . 9
 
        

         |
| 22 | | subsaliuncl.4 |
. . . . . . . . . . . . . 14
       |
| 23 | 22 | ffvelrnda 6359 |
. . . . . . . . . . . . 13
 

      |
| 24 | | subsaliuncl.3 |
. . . . . . . . . . . . 13

↾t   |
| 25 | 23, 24 | syl6eleq 2711 |
. . . . . . . . . . . 12
 

    
↾t    |
| 26 | | subsaliuncl.2 |
. . . . . . . . . . . . . . 15
   |
| 27 | 26 | elexd 3214 |
. . . . . . . . . . . . . 14
   |
| 28 | | elrest 16088 |
. . . . . . . . . . . . . 14
  SAlg        ↾t            |
| 29 | 2, 27, 28 | syl2anc 693 |
. . . . . . . . . . . . 13
       ↾t 

         |
| 30 | 29 | adantr 481 |
. . . . . . . . . . . 12
 

      ↾t  
         |
| 31 | 25, 30 | mpbid 222 |
. . . . . . . . . . 11
 


        |
| 32 | | rabn0 3958 |
. . . . . . . . . . 11
                  |
| 33 | 31, 32 | sylibr 224 |
. . . . . . . . . 10
 


         |
| 34 | 33 | 3adant3 1081 |
. . . . . . . . 9
 
        

         |
| 35 | 21, 34 | eqnetrd 2861 |
. . . . . . . 8
 
        
  |
| 36 | 35 | 3exp 1264 |
. . . . . . 7
               |
| 37 | 36 | rexlimdv 3030 |
. . . . . 6
              |
| 38 | 37 | adantr 481 |
. . . . 5
 
 
                      |
| 39 | 20, 38 | mpd 15 |
. . . 4
 
 
           |
| 40 | 15, 39 | axccdom 39416 |
. . 3
     
                           |
| 41 | | simpl 473 |
. . . . . 6
 
                               |
| 42 | | fveq2 6191 |
. . . . . . . . . . . . 13
           |
| 43 | 42 | eqeq1d 2624 |
. . . . . . . . . . . 12
       
         |
| 44 | 43 | rabbidv 3189 |
. . . . . . . . . . 11
 
       
         |
| 45 | 44 | cbvmptv 4750 |
. . . . . . . . . 10
 
                   |
| 46 | 45 | rneqi 5352 |
. . . . . . . . 9
                     |
| 47 | 46 | fneq2i 5986 |
. . . . . . . 8
  
                    |
| 48 | 47 | biimpi 206 |
. . . . . . 7
  
        

          |
| 49 | 48 | ad2antrl 764 |
. . . . . 6
 
                                         |
| 50 | 46 | raleqi 3142 |
. . . . . . . . 9
 
 
            
                  |
| 51 | 50 | biimpi 206 |
. . . . . . . 8
 
 
             


               |
| 52 | 51 | adantl 482 |
. . . . . . 7
 
                 


               |
| 53 | 52 | adantrl 752 |
. . . . . 6
 
                                               |
| 54 | | nfv 1843 |
. . . . . . 7
                               |
| 55 | 2 | 3ad2ant1 1082 |
. . . . . . 7
 
 
        
 
              SAlg |
| 56 | | ineq1 3807 |
. . . . . . . . . . . 12
 
     |
| 57 | 56 | eqeq2d 2632 |
. . . . . . . . . . 11
       
         |
| 58 | 57 | cbvrabv 3199 |
. . . . . . . . . 10

                |
| 59 | 58 | mpteq2i 4741 |
. . . . . . . . 9
 
                   |
| 60 | 45, 59 | eqtr2i 2645 |
. . . . . . . 8
                     |
| 61 | 60 | coeq2i 5282 |
. . . . . . 7
              
          |
| 62 | 47 | biimpri 218 |
. . . . . . . 8
  
        

          |
| 63 | 62 | 3ad2ant2 1083 |
. . . . . . 7
 
 
        
 
              

          |
| 64 | 46 | eqcomi 2631 |
. . . . . . . . . . 11
                     |
| 65 | 64 | raleqi 3142 |
. . . . . . . . . 10
 
 
            
                  |
| 66 | | fveq2 6191 |
. . . . . . . . . . . 12
           |
| 67 | | id 22 |
. . . . . . . . . . . 12
   |
| 68 | 66, 67 | eleq12d 2695 |
. . . . . . . . . . 11
     
       |
| 69 | 68 | cbvralv 3171 |
. . . . . . . . . 10
 
 
            
                  |
| 70 | 65, 69 | bitri 264 |
. . . . . . . . 9
 
 
            
                  |
| 71 | 70 | biimpi 206 |
. . . . . . . 8
 
 
             


               |
| 72 | 71 | 3ad2ant3 1084 |
. . . . . . 7
 
 
        
 
               

               |
| 73 | 54, 55, 5, 61, 63, 72 | subsaliuncllem 40575 |
. . . . . 6
 
 
        
 
                               |
| 74 | 41, 49, 53, 73 | syl3anc 1326 |
. . . . 5
 
                                              |
| 75 | 74 | ex 450 |
. . . 4
                             
                  |
| 76 | 75 | exlimdv 1861 |
. . 3
                                
   
             |
| 77 | 40, 76 | mpd 15 |
. 2
                  |
| 78 | 2 | 3ad2ant1 1082 |
. . . . . 6
 

          
 
SAlg |
| 79 | 27 | 3ad2ant1 1082 |
. . . . . 6
 

          
 
  |
| 80 | 2 | adantr 481 |
. . . . . . . 8
 

 
SAlg |
| 81 | | nnct 12780 |
. . . . . . . . 9
 |
| 82 | 81 | a1i 11 |
. . . . . . . 8
 

 
  |
| 83 | | elmapi 7879 |
. . . . . . . . . 10
  
      |
| 84 | 83 | adantl 482 |
. . . . . . . . 9
 

 
      |
| 85 | 84 | ffvelrnda 6359 |
. . . . . . . 8
             |
| 86 | 80, 82, 85 | saliuncl 40542 |
. . . . . . 7
 

 
       |
| 87 | 86 | 3adant3 1081 |
. . . . . 6
 

          
 
       |
| 88 | | eqid 2622 |
. . . . . 6
 
          
  |
| 89 | 78, 79, 87, 88 | elrestd 39291 |
. . . . 5
 

          
 
 
      ↾t    |
| 90 | | nfra1 2941 |
. . . . . . . . 9
  
           |
| 91 | | rspa 2930 |
. . . . . . . . 9
                          |
| 92 | 90, 91 | iuneq2df 39212 |
. . . . . . . 8
 
               
    
   |
| 93 | | iunin1 4585 |
. . . . . . . . 9
            
  |
| 94 | 93 | a1i 11 |
. . . . . . . 8
 
                      
   |
| 95 | 92, 94 | eqtrd 2656 |
. . . . . . 7
 
                    
   |
| 96 | 95 | 3ad2ant3 1084 |
. . . . . 6
 

          
 
          
   |
| 97 | 24 | a1i 11 |
. . . . . 6
 

          
 

↾t    |
| 98 | 96, 97 | eleq12d 2695 |
. . . . 5
 

          
 
 
   
        ↾t     |
| 99 | 89, 98 | mpbird 247 |
. . . 4
 

          
 
       |
| 100 | 99 | 3exp 1264 |
. . 3
              
          |
| 101 | 100 | rexlimdv 3030 |
. 2
                         |
| 102 | 77, 101 | mpd 15 |
1
        |