| Step | Hyp | Ref
| Expression |
| 1 | | utopreg.1 |
. . 3
unifTop   |
| 2 | | utoptop 22038 |
. . . 4
 UnifOn 
unifTop    |
| 3 | 2 | adantr 481 |
. . 3
  UnifOn   unifTop    |
| 4 | 1, 3 | syl5eqel 2705 |
. 2
  UnifOn     |
| 5 | | simp-4l 806 |
. . . . . . . . 9
        UnifOn 
 
           
   
 
   UnifOn       |
| 6 | 4 | ad2antrr 762 |
. . . . . . . . 9
    UnifOn 
 
   |
| 7 | 5, 6 | syl 17 |
. . . . . . . 8
        UnifOn 
 
           
   
 
  |
| 8 | | simplr 792 |
. . . . . . . . 9
        UnifOn 
 
           
   
 
  |
| 9 | | simp-4l 806 |
. . . . . . . . . 10
     UnifOn 
    UnifOn    |
| 10 | | simpr 477 |
. . . . . . . . . 10
     UnifOn 
      |
| 11 | 4 | ad3antrrr 766 |
. . . . . . . . . . . . 13
     UnifOn 
      |
| 12 | | simpllr 799 |
. . . . . . . . . . . . 13
     UnifOn 
      |
| 13 | | eqid 2622 |
. . . . . . . . . . . . . 14
   |
| 14 | 13 | eltopss 20712 |
. . . . . . . . . . . . 13
 

   |
| 15 | 11, 12, 14 | syl2anc 693 |
. . . . . . . . . . . 12
     UnifOn 
       |
| 16 | | utopbas 22039 |
. . . . . . . . . . . . . 14
 UnifOn 
 unifTop    |
| 17 | 1 | unieqi 4445 |
. . . . . . . . . . . . . 14
  unifTop   |
| 18 | 16, 17 | syl6eqr 2674 |
. . . . . . . . . . . . 13
 UnifOn 
   |
| 19 | 9, 18 | syl 17 |
. . . . . . . . . . . 12
     UnifOn 
       |
| 20 | 15, 19 | sseqtr4d 3642 |
. . . . . . . . . . 11
     UnifOn 
      |
| 21 | | simplr 792 |
. . . . . . . . . . 11
     UnifOn 
      |
| 22 | 20, 21 | sseldd 3604 |
. . . . . . . . . 10
     UnifOn 
      |
| 23 | 1 | utopsnnei 22053 |
. . . . . . . . . 10
  UnifOn 
                   |
| 24 | 9, 10, 22, 23 | syl3anc 1326 |
. . . . . . . . 9
     UnifOn 
                      |
| 25 | 5, 8, 24 | syl2anc 693 |
. . . . . . . 8
        UnifOn 
 
           
   
 
                  |
| 26 | | neii2 20912 |
. . . . . . . 8
                   
            |
| 27 | 7, 25, 26 | syl2anc 693 |
. . . . . . 7
        UnifOn 
 
           
   
 

  
         |
| 28 | | simprl 794 |
. . . . . . . . . . 11
          UnifOn               
   
 
                |
| 29 | | vex 3203 |
. . . . . . . . . . . 12
 |
| 30 | 29 | snss 4316 |
. . . . . . . . . . 11

    |
| 31 | 28, 30 | sylibr 224 |
. . . . . . . . . 10
          UnifOn               
   
 
              |
| 32 | 7 | ad2antrr 762 |
. . . . . . . . . . . . 13
          UnifOn               
   
 
              |
| 33 | | simplll 798 |
. . . . . . . . . . . . . . . . 17
    UnifOn 
 
 UnifOn    |
| 34 | 5, 33 | syl 17 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
UnifOn    |
| 35 | 34 | ad2antrr 762 |
. . . . . . . . . . . . . . 15
          UnifOn               
   
 
            UnifOn    |
| 36 | 8 | ad2antrr 762 |
. . . . . . . . . . . . . . 15
          UnifOn               
   
 
              |
| 37 | | simplr 792 |
. . . . . . . . . . . . . . . . . . 19
    UnifOn 
 
   |
| 38 | 6, 37, 14 | syl2anc 693 |
. . . . . . . . . . . . . . . . . 18
    UnifOn 
 
    |
| 39 | 33, 18 | syl 17 |
. . . . . . . . . . . . . . . . . 18
    UnifOn 
 
    |
| 40 | 38, 39 | sseqtr4d 3642 |
. . . . . . . . . . . . . . . . 17
    UnifOn 
 
   |
| 41 | | simpr 477 |
. . . . . . . . . . . . . . . . 17
    UnifOn 
 
   |
| 42 | 40, 41 | sseldd 3604 |
. . . . . . . . . . . . . . . 16
    UnifOn 
 
   |
| 43 | 42 | ad6antr 772 |
. . . . . . . . . . . . . . 15
          UnifOn               
   
 
              |
| 44 | | ustimasn 22032 |
. . . . . . . . . . . . . . 15
  UnifOn 
         |
| 45 | 35, 36, 43, 44 | syl3anc 1326 |
. . . . . . . . . . . . . 14
          UnifOn               
   
 
                    |
| 46 | 35, 18 | syl 17 |
. . . . . . . . . . . . . 14
          UnifOn               
   
 
               |
| 47 | 45, 46 | sseqtrd 3641 |
. . . . . . . . . . . . 13
          UnifOn               
   
 
                     |
| 48 | | simprr 796 |
. . . . . . . . . . . . 13
          UnifOn               
   
 
                    |
| 49 | 13 | clsss 20858 |
. . . . . . . . . . . . 13
                       
                |
| 50 | 32, 47, 48, 49 | syl3anc 1326 |
. . . . . . . . . . . 12
          UnifOn               
   
 
                   
                |
| 51 | | ustssxp 22008 |
. . . . . . . . . . . . . . . . 17
  UnifOn       |
| 52 | 34, 8, 51 | syl2anc 693 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
    |
| 53 | 34, 18 | syl 17 |
. . . . . . . . . . . . . . . . 17
        UnifOn 
 
           
   
 
   |
| 54 | 53 | sqxpeqd 5141 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
        |
| 55 | 52, 54 | sseqtrd 3641 |
. . . . . . . . . . . . . . 15
        UnifOn 
 
           
   
 
 
    |
| 56 | 5, 38 | syl 17 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
   |
| 57 | | simp-5r 809 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
  |
| 58 | 56, 57 | sseldd 3604 |
. . . . . . . . . . . . . . 15
        UnifOn 
 
           
   
 
   |
| 59 | 13, 13 | imasncls 21495 |
. . . . . . . . . . . . . . 15
      
 
                
                  |
| 60 | 7, 7, 55, 58, 59 | syl22anc 1327 |
. . . . . . . . . . . . . 14
        UnifOn 
 
           
   
 
                                |
| 61 | | simprl 794 |
. . . . . . . . . . . . . . . . 17
        UnifOn 
 
           
   
 
   |
| 62 | 1 | utop3cls 22055 |
. . . . . . . . . . . . . . . . 17
   UnifOn      
            
     |
| 63 | 34, 52, 8, 61, 62 | syl22anc 1327 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
                |
| 64 | | simprr 796 |
. . . . . . . . . . . . . . . 16
        UnifOn 
 
           
   
 
      |
| 65 | 63, 64 | sstrd 3613 |
. . . . . . . . . . . . . . 15
        UnifOn 
 
           
   
 
            |
| 66 | | imass1 5500 |
. . . . . . . . . . . . . . 15
                                   |
| 67 | 65, 66 | syl 17 |
. . . . . . . . . . . . . 14
        UnifOn 
 
           
   
 
                        |
| 68 | 60, 67 | sstrd 3613 |
. . . . . . . . . . . . 13
        UnifOn 
 
           
   
 
                      |
| 69 | 68 | ad2antrr 762 |
. . . . . . . . . . . 12
          UnifOn               
   
 
                                  |
| 70 | 50, 69 | sstrd 3613 |
. . . . . . . . . . 11
          UnifOn               
   
 
                   
        |
| 71 | | simp-5r 809 |
. . . . . . . . . . 11
          UnifOn               
   
 
                    |
| 72 | 70, 71 | sseqtr4d 3642 |
. . . . . . . . . 10
          UnifOn               
   
 
                   
  |
| 73 | 31, 72 | jca 554 |
. . . . . . . . 9
          UnifOn               
   
 
                        |
| 74 | 73 | ex 450 |
. . . . . . . 8
         UnifOn 
             
   
 
                         |
| 75 | 74 | reximdva 3017 |
. . . . . . 7
        UnifOn 
 
           
   
 
 
          

            |
| 76 | 27, 75 | mpd 15 |
. . . . . 6
        UnifOn 
 
           
   
 


           |
| 77 | | simp-5l 808 |
. . . . . . 7
      UnifOn            
UnifOn    |
| 78 | | simplr 792 |
. . . . . . 7
      UnifOn            
  |
| 79 | | ustex3sym 22021 |
. . . . . . 7
  UnifOn   
 

  
   |
| 80 | 77, 78, 79 | syl2anc 693 |
. . . . . 6
      UnifOn            

 

  
   |
| 81 | 76, 80 | r19.29a 3078 |
. . . . 5
      UnifOn            


           |
| 82 | | opnneip 20923 |
. . . . . . . 8
 
             |
| 83 | 6, 37, 41, 82 | syl3anc 1326 |
. . . . . . 7
    UnifOn 
 
             |
| 84 | 1 | utopsnneip 22052 |
. . . . . . . 8
  UnifOn                       |
| 85 | 33, 42, 84 | syl2anc 693 |
. . . . . . 7
    UnifOn 
 
                     |
| 86 | 83, 85 | eleqtrd 2703 |
. . . . . 6
    UnifOn 
 
           |
| 87 | | eqid 2622 |
. . . . . . . 8
                 |
| 88 | 87 | elrnmpt 5372 |
. . . . . . 7
         

         |
| 89 | 37, 88 | syl 17 |
. . . . . 6
    UnifOn 
 
         

         |
| 90 | 86, 89 | mpbid 222 |
. . . . 5
    UnifOn 
 
 
        |
| 91 | 81, 90 | r19.29a 3078 |
. . . 4
    UnifOn 
 
 

           |
| 92 | 91 | ralrimiva 2966 |
. . 3
   UnifOn    


           |
| 93 | 92 | ralrimiva 2966 |
. 2
  UnifOn   



           |
| 94 | | isreg 21136 |
. 2

 



            |
| 95 | 4, 93, 94 | sylanbrc 698 |
1
  UnifOn     |