| Step | Hyp | Ref
 | Expression | 
| 1 |   | dvco.bg | 
. . . 4
                  | 
| 2 |   | eqid 2196 | 
. . . . 5
     ↾t         ↾t    | 
| 3 |   | dvcoap.j | 
. . . . 5
                   | 
| 4 |   | eqid 2196 | 
. . . . 5
                  #                                                     #                                   | 
| 5 |   | dvcobr.t | 
. . . . 5
          
   | 
| 6 |   | dvco.g | 
. . . . . 6
              | 
| 7 |   | dvco.x | 
. . . . . . 7
          
   | 
| 8 |   | dvcobr.s | 
. . . . . . 7
          
   | 
| 9 | 7, 8 | sstrd 3193 | 
. . . . . 6
          
   | 
| 10 | 6, 9 | fssd 5420 | 
. . . . 5
              | 
| 11 |   | dvco.y | 
. . . . 5
          
   | 
| 12 | 2, 3, 4, 5, 10, 11 | eldvap 14918 | 
. . . 4
                                ↾t                               #
                                  lim        | 
| 13 | 1, 12 | mpbid 147 | 
. . 3
                   ↾t                               #
                                  lim       | 
| 14 | 13 | simpld 112 | 
. 2
                  ↾t         | 
| 15 |   | dvco.f | 
. . . . . . . 8
              | 
| 16 | 15 | adantr 276 | 
. . . . . . 7
       
               #              | 
| 17 | 6 | adantr 276 | 
. . . . . . . 8
       
               #              | 
| 18 |   | elrabi 2917 | 
. . . . . . . . 9
                  #             | 
| 19 | 18 | adantl 277 | 
. . . . . . . 8
       
               #              | 
| 20 | 17, 19 | ffvelcdmd 5698 | 
. . . . . . 7
       
               #                  | 
| 21 | 16, 20 | ffvelcdmd 5698 | 
. . . . . 6
       
               #                      | 
| 22 | 5, 10, 11 | dvbss 14921 | 
. . . . . . . . . 10
                      | 
| 23 |   | cnex 8003 | 
. . . . . . . . . . . . . 14
        | 
| 24 | 23 | a1i 9 | 
. . . . . . . . . . . . 13
              | 
| 25 | 24, 5 | ssexd 4173 | 
. . . . . . . . . . . . 13
              | 
| 26 |   | elpm2r 6725 | 
. . . . . . . . . . . . 13
                                                      | 
| 27 | 24, 25, 10, 11, 26 | syl22anc 1250 | 
. . . . . . . . . . . 12
                    | 
| 28 |   | reldvg 14915 | 
. . . . . . . . . . . 12
       
                       
      | 
| 29 | 5, 27, 28 | syl2anc 411 | 
. . . . . . . . . . 11
                  | 
| 30 |   | releldm 4901 | 
. . . . . . . . . . 11
                                
           | 
| 31 | 29, 1, 30 | syl2anc 411 | 
. . . . . . . . . 10
                      | 
| 32 | 22, 31 | sseldd 3184 | 
. . . . . . . . 9
              | 
| 33 | 32 | adantr 276 | 
. . . . . . . 8
       
               #          
   | 
| 34 | 17, 33 | ffvelcdmd 5698 | 
. . . . . . 7
       
               #                  | 
| 35 | 16, 34 | ffvelcdmd 5698 | 
. . . . . 6
       
               #                      | 
| 36 | 21, 35 | subcld 8337 | 
. . . . 5
       
               #                                    | 
| 37 | 10 | adantr 276 | 
. . . . . . 7
       
               #              | 
| 38 | 37, 19 | ffvelcdmd 5698 | 
. . . . . 6
       
               #                  | 
| 39 | 37, 33 | ffvelcdmd 5698 | 
. . . . . 6
       
               #                  | 
| 40 | 38, 39 | subcld 8337 | 
. . . . 5
       
               #                            | 
| 41 | 9 | adantr 276 | 
. . . . . . 7
       
               #              | 
| 42 | 41, 20 | sseldd 3184 | 
. . . . . 6
       
               #                  | 
| 43 | 41, 34 | sseldd 3184 | 
. . . . . 6
       
               #                  | 
| 44 |   | breq1 4036 | 
. . . . . . . . . 10
              #    
  #     | 
| 45 | 44 | elrab 2920 | 
. . . . . . . . 9
                  #                 #
    | 
| 46 | 45 | simprbi 275 | 
. . . . . . . 8
                  #        #    | 
| 47 | 46 | adantl 277 | 
. . . . . . 7
       
               #         #    | 
| 48 |   | breq1 4036 | 
. . . . . . . . 9
              #    
  #     | 
| 49 |   | fveq2 5558 | 
. . . . . . . . . 10
                          | 
| 50 | 49 | breq1d 4043 | 
. . . . . . . . 9
                  #        
      #         | 
| 51 | 48, 50 | imbi12d 234 | 
. . . . . . . 8
               #           #         
   #           #
         | 
| 52 |   | dvcoap.gap | 
. . . . . . . . 9
                 #
          #         | 
| 53 | 52 | adantr 276 | 
. . . . . . . 8
       
               #         
       #
          #         | 
| 54 | 51, 53, 19 | rspcdva 2873 | 
. . . . . . 7
       
               #          #           #         | 
| 55 | 47, 54 | mpd 13 | 
. . . . . 6
       
               #             #        | 
| 56 | 42, 43, 55 | subap0d 8671 | 
. . . . 5
       
               #                       #    | 
| 57 | 36, 40, 56 | divclapd 8817 | 
. . . 4
       
               #                                                        | 
| 58 | 11, 5 | sstrd 3193 | 
. . . . 5
          
   | 
| 59 | 10, 58, 32 | dvlemap 14916 | 
. . . 4
       
               #                                        | 
| 60 |   | ssidd 3204 | 
. . . 4
          
   | 
| 61 | 3 | cntoptopon 14768 | 
. . . . . 6
       TopOn    | 
| 62 |   | txtopon 14498 | 
. . . . . 6
         TopOn   
       TopOn      
           TopOn           | 
| 63 | 61, 61, 62 | mp2an 426 | 
. . . . 5
             TopOn          | 
| 64 | 63 | toponrestid 14257 | 
. . . 4
                    
↾t          | 
| 65 |   | breq1 4036 | 
. . . . . 6
                  #        
      #         | 
| 66 | 65, 20, 55 | elrabd 2922 | 
. . . . 5
       
               #                     
    #         | 
| 67 | 15 | adantr 276 | 
. . . . . . . 8
       
               #                  | 
| 68 |   | elrabi 2917 | 
. . . . . . . . 9
                  #         
       | 
| 69 | 68 | adantl 277 | 
. . . . . . . 8
       
               #                  | 
| 70 | 67, 69 | ffvelcdmd 5698 | 
. . . . . . 7
       
               #                      | 
| 71 | 6 | adantr 276 | 
. . . . . . . . 9
       
               #                  | 
| 72 | 32 | adantr 276 | 
. . . . . . . . 9
       
               #              
   | 
| 73 | 71, 72 | ffvelcdmd 5698 | 
. . . . . . . 8
       
               #                      | 
| 74 | 67, 73 | ffvelcdmd 5698 | 
. . . . . . 7
       
               #                          | 
| 75 | 70, 74 | subcld 8337 | 
. . . . . 6
       
               #                                    | 
| 76 | 9 | adantr 276 | 
. . . . . . . 8
       
               #                  | 
| 77 | 76, 69 | sseldd 3184 | 
. . . . . . 7
       
               #                  | 
| 78 | 76, 73 | sseldd 3184 | 
. . . . . . 7
       
               #                      | 
| 79 | 77, 78 | subcld 8337 | 
. . . . . 6
       
               #                            | 
| 80 |   | breq1 4036 | 
. . . . . . . . . 10
              #        
  #         | 
| 81 | 80 | elrab 2920 | 
. . . . . . . . 9
                  #                     #         | 
| 82 | 81 | simprbi 275 | 
. . . . . . . 8
                  #         
  #        | 
| 83 | 82 | adantl 277 | 
. . . . . . 7
       
               #             #        | 
| 84 | 77, 78, 83 | subap0d 8671 | 
. . . . . 6
       
               #                       #    | 
| 85 | 75, 79, 84 | divclapd 8817 | 
. . . . 5
       
               #                                                    | 
| 86 |   | limcresi 14902 | 
. . . . . . 7
     lim               
        #
    lim 
   | 
| 87 | 6 | feqmptd 5614 | 
. . . . . . . . . 10
                            | 
| 88 | 87 | reseq1d 4945 | 
. . . . . . . . 9
                  
    #                                
    #      | 
| 89 |   | ssrab2 3268 | 
. . . . . . . . . 10
        
    #   
    | 
| 90 |   | resmpt 4994 | 
. . . . . . . . . 10
              #                               
        #
                      #              | 
| 91 | 89, 90 | ax-mp 5 | 
. . . . . . . . 9
                    
      
    #                  
    #   
         | 
| 92 | 88, 91 | eqtrdi 2245 | 
. . . . . . . 8
                  
    #                  
    #   
          | 
| 93 | 92 | oveq1d 5937 | 
. . . . . . 7
               
        #
    lim 
                      #             lim      | 
| 94 | 86, 93 | sseqtrid 3233 | 
. . . . . 6
          lim      
            
    #   
         lim      | 
| 95 |   | eqid 2196 | 
. . . . . . . . . 10
     ↾t         ↾t    | 
| 96 | 95, 3 | dvcnp2cntop 14935 | 
. . . . . . . . 9
                                 
                      ↾t             | 
| 97 | 5, 10, 11, 31, 96 | syl31anc 1252 | 
. . . . . . . 8
               
↾t             | 
| 98 | 3, 95 | cnplimccntop 14906 | 
. . . . . . . . 9
       
                 
    
↾t                                  lim        | 
| 99 | 58, 32, 98 | syl2anc 411 | 
. . . . . . . 8
                 ↾t             
                    lim        | 
| 100 | 97, 99 | mpbid 147 | 
. . . . . . 7
                           lim       | 
| 101 | 100 | simprd 114 | 
. . . . . 6
                  lim      | 
| 102 | 94, 101 | sseldd 3184 | 
. . . . 5
                           
    #   
         lim      | 
| 103 |   | dvco.bf | 
. . . . . . 7
                      | 
| 104 |   | eqid 2196 | 
. . . . . . . 8
     ↾t         ↾t    | 
| 105 |   | eqid 2196 | 
. . . . . . . 8
                  #                                                            
    #                                               | 
| 106 | 104, 3, 105, 8, 15, 7 | eldvap 14918 | 
. . . . . . 7
                                        ↾t                               #
                                              lim            | 
| 107 | 103, 106 | mpbid 147 | 
. . . . . 6
                       ↾t                               #
                                              lim           | 
| 108 | 107 | simprd 114 | 
. . . . 5
                       
    #                                               lim          | 
| 109 |   | fveq2 5558 | 
. . . . . . 7
                                  | 
| 110 | 109 | oveq1d 5937 | 
. . . . . 6
                                                              | 
| 111 |   | oveq1 5929 | 
. . . . . 6
                                              | 
| 112 | 110, 111 | oveq12d 5940 | 
. . . . 5
                                                                                                  | 
| 113 | 66, 85, 102, 108, 112 | limccoap 14914 | 
. . . 4
                       
    #   
                                               lim      | 
| 114 | 13 | simprd 114 | 
. . . 4
                       
    #   
                               lim      | 
| 115 | 3 | mulcncntop 14800 | 
. . . . 5
                    | 
| 116 | 8, 15, 7 | dvcl 14919 | 
. . . . . . 7
       
                
       | 
| 117 | 103, 116 | mpdan 421 | 
. . . . . 6
              | 
| 118 | 5, 10, 11 | dvcl 14919 | 
. . . . . . 7
       
            
       | 
| 119 | 1, 118 | mpdan 421 | 
. . . . . 6
              | 
| 120 | 117, 119 | opelxpd 4696 | 
. . . . 5
                         | 
| 121 | 63 | toponunii 14253 | 
. . . . . 6
                     | 
| 122 | 121 | cncnpi 14464 | 
. . . . 5
                            
                                            | 
| 123 | 115, 120,
122 | sylancr 414 | 
. . . 4
                      
            | 
| 124 | 57, 59, 60, 60, 3, 64, 113, 114, 123 | limccnp2cntop 14913 | 
. . 3
                             
    #   
                                                                               lim      | 
| 125 | 42, 43 | subcld 8337 | 
. . . . . . 7
       
               #                            | 
| 126 | 58 | adantr 276 | 
. . . . . . . . 9
       
               #              | 
| 127 | 126, 19 | sseldd 3184 | 
. . . . . . . 8
       
               #              | 
| 128 | 126, 33 | sseldd 3184 | 
. . . . . . . 8
       
               #          
   | 
| 129 | 127, 128 | subcld 8337 | 
. . . . . . 7
       
               #                    | 
| 130 | 127, 128,
47 | subap0d 8671 | 
. . . . . . 7
       
               #               #    | 
| 131 | 36, 125, 129, 56, 130 | dmdcanap2d 8848 | 
. . . . . 6
       
               #                                                                                                                          | 
| 132 |   | fvco3 5632 | 
. . . . . . . . 9
               
                              | 
| 133 | 17, 19, 132 | syl2anc 411 | 
. . . . . . . 8
       
               #                                | 
| 134 |   | fvco3 5632 | 
. . . . . . . . 9
               
                              | 
| 135 | 17, 33, 134 | syl2anc 411 | 
. . . . . . . 8
       
               #                                | 
| 136 | 133, 135 | oveq12d 5940 | 
. . . . . . 7
       
               #                                                              | 
| 137 | 136 | oveq1d 5937 | 
. . . . . 6
       
               #                                                                                      | 
| 138 | 131, 137 | eqtr4d 2232 | 
. . . . 5
       
               #                                                                                                                              | 
| 139 | 138 | mpteq2dva 4123 | 
. . . 4
                       #                                                                                                
    #   
                                            | 
| 140 | 139 | oveq1d 5937 | 
. . 3
                        #
                                                                                  lim                        #                                               lim      | 
| 141 | 124, 140 | eleqtrd 2275 | 
. 2
                             
    #   
                                           lim      | 
| 142 |   | eqid 2196 | 
. . 3
                  #                                                                 #                                               | 
| 143 |   | fco 5423 | 
. . . 4
                                  | 
| 144 | 15, 6, 143 | syl2anc 411 | 
. . 3
                    | 
| 145 | 2, 3, 142, 5, 144, 11 | eldvap 14918 | 
. 2
                                            ↾t              
                      #
                                              lim        | 
| 146 | 14, 141, 145 | mpbir2and 946 | 
1
               
              |