| Step | Hyp | Ref
 | Expression | 
| 1 |   | dvadd.bf | 
. . . 4
                  | 
| 2 |   | eqid 2196 | 
. . . . 5
     ↾t         ↾t    | 
| 3 |   | dvaddcntop.j | 
. . . . 5
                   | 
| 4 |   | eqid 2196 | 
. . . . 5
                  #                                                     #                                   | 
| 5 |   | dvaddbr.s | 
. . . . 5
          
   | 
| 6 |   | dvadd.f | 
. . . . 5
              | 
| 7 |   | dvadd.x | 
. . . . 5
          
   | 
| 8 | 2, 3, 4, 5, 6, 7 | eldvap 14918 | 
. . . 4
                                ↾t                               #
                                  lim        | 
| 9 | 1, 8 | mpbid 147 | 
. . 3
                   ↾t                               #
                                  lim       | 
| 10 | 9 | simpld 112 | 
. 2
                  ↾t         | 
| 11 | 7, 5 | sstrd 3193 | 
. . . . . 6
          
   | 
| 12 | 3 | cntoptopon 14768 | 
. . . . . . . . . 10
       TopOn    | 
| 13 |   | resttopon 14407 | 
. . . . . . . . . 10
         TopOn   
        
     ↾t       TopOn     | 
| 14 | 12, 5, 13 | sylancr 414 | 
. . . . . . . . 9
         
↾t       TopOn     | 
| 15 |   | topontop 14250 | 
. . . . . . . . 9
      ↾t       TopOn         ↾t         | 
| 16 | 14, 15 | syl 14 | 
. . . . . . . 8
         
↾t         | 
| 17 |   | toponuni 14251 | 
. . . . . . . . . 10
      ↾t       TopOn              ↾t     | 
| 18 | 14, 17 | syl 14 | 
. . . . . . . . 9
               ↾t     | 
| 19 | 7, 18 | sseqtrd 3221 | 
. . . . . . . 8
          
    ↾t     | 
| 20 |   | eqid 2196 | 
. . . . . . . . 9
      ↾t         
↾t    | 
| 21 | 20 | ntrss2 14357 | 
. . . . . . . 8
      
↾t             
    ↾t              ↾t             | 
| 22 | 16, 19, 21 | syl2anc 411 | 
. . . . . . 7
              ↾t             | 
| 23 | 22, 10 | sseldd 3184 | 
. . . . . 6
              | 
| 24 | 6, 11, 23 | dvlemap 14916 | 
. . . . 5
       
               #                                        | 
| 25 |   | dvaddxx.g | 
. . . . . . 7
              | 
| 26 | 25 | adantr 276 | 
. . . . . 6
       
               #              | 
| 27 |   | elrabi 2917 | 
. . . . . . 7
                  #             | 
| 28 | 27 | adantl 277 | 
. . . . . 6
       
               #              | 
| 29 | 26, 28 | ffvelcdmd 5698 | 
. . . . 5
       
               #                  | 
| 30 | 24, 29 | mulcld 8047 | 
. . . 4
       
               #                                                  | 
| 31 | 25, 11, 23 | dvlemap 14916 | 
. . . . 5
       
               #                                        | 
| 32 | 6, 23 | ffvelcdmd 5698 | 
. . . . . 6
                  | 
| 33 | 32 | adantr 276 | 
. . . . 5
       
               #                  | 
| 34 | 31, 33 | mulcld 8047 | 
. . . 4
       
               #                                                  | 
| 35 |   | ssidd 3204 | 
. . . 4
          
   | 
| 36 |   | txtopon 14498 | 
. . . . . 6
         TopOn   
       TopOn      
           TopOn           | 
| 37 | 12, 12, 36 | mp2an 426 | 
. . . . 5
             TopOn          | 
| 38 | 37 | toponrestid 14257 | 
. . . 4
                    
↾t          | 
| 39 | 9 | simprd 114 | 
. . . . 5
                       
    #   
                               lim      | 
| 40 |   | cnex 8003 | 
. . . . . . . . . . . . 13
        | 
| 41 | 40 | a1i 9 | 
. . . . . . . . . . . 12
              | 
| 42 | 41, 5 | ssexd 4173 | 
. . . . . . . . . . . 12
              | 
| 43 |   | elpm2r 6725 | 
. . . . . . . . . . . 12
                                                      | 
| 44 | 41, 42, 25, 7, 43 | syl22anc 1250 | 
. . . . . . . . . . 11
                    | 
| 45 |   | reldvg 14915 | 
. . . . . . . . . . 11
       
                       
      | 
| 46 | 5, 44, 45 | syl2anc 411 | 
. . . . . . . . . 10
                  | 
| 47 |   | dvadd.bg | 
. . . . . . . . . 10
                  | 
| 48 |   | releldm 4901 | 
. . . . . . . . . 10
                                
           | 
| 49 | 46, 47, 48 | syl2anc 411 | 
. . . . . . . . 9
                      | 
| 50 |   | eqid 2196 | 
. . . . . . . . . 10
     ↾t         ↾t    | 
| 51 | 50, 3 | dvcnp2cntop 14935 | 
. . . . . . . . 9
                                 
                      ↾t             | 
| 52 | 5, 25, 7, 49, 51 | syl31anc 1252 | 
. . . . . . . 8
               
↾t             | 
| 53 | 3, 50 | cnplimccntop 14906 | 
. . . . . . . . 9
       
                 
    
↾t                                  lim        | 
| 54 | 11, 23, 53 | syl2anc 411 | 
. . . . . . . 8
                 ↾t             
                    lim        | 
| 55 | 52, 54 | mpbid 147 | 
. . . . . . 7
                           lim       | 
| 56 | 55 | simprd 114 | 
. . . . . 6
                  lim      | 
| 57 | 25, 11 | limcdifap 14898 | 
. . . . . . 7
          lim            
      
    #     lim      | 
| 58 |   | ssrab2 3268 | 
. . . . . . . . . 10
        
    #   
    | 
| 59 | 58 | a1i 9 | 
. . . . . . . . 9
                  #
        | 
| 60 | 25, 59 | feqresmpt 5615 | 
. . . . . . . 8
                  
    #                  
    #   
          | 
| 61 | 60 | oveq1d 5937 | 
. . . . . . 7
               
        #
    lim 
                      #             lim      | 
| 62 | 57, 61 | eqtrd 2229 | 
. . . . . 6
          lim                   
    #   
         lim      | 
| 63 | 56, 62 | eleqtrd 2275 | 
. . . . 5
                           
    #   
         lim      | 
| 64 | 3 | mulcncntop 14800 | 
. . . . . 6
                    | 
| 65 | 5, 6, 7 | dvcl 14919 | 
. . . . . . . 8
       
            
       | 
| 66 | 1, 65 | mpdan 421 | 
. . . . . . 7
              | 
| 67 | 25, 23 | ffvelcdmd 5698 | 
. . . . . . 7
                  | 
| 68 | 66, 67 | opelxpd 4696 | 
. . . . . 6
                             | 
| 69 | 37 | toponunii 14253 | 
. . . . . . 7
                     | 
| 70 | 69 | cncnpi 14464 | 
. . . . . 6
                            
                   
                                | 
| 71 | 64, 68, 70 | sylancr 414 | 
. . . . 5
                      
                | 
| 72 | 24, 29, 35, 35, 3, 38, 39, 63, 71 | limccnp2cntop 14913 | 
. . . 4
                                 
    #   
                                         lim      | 
| 73 |   | eqid 2196 | 
. . . . . . . 8
                  #                                                     #                                   | 
| 74 | 2, 3, 73, 5, 25, 7 | eldvap 14918 | 
. . . . . . 7
                                ↾t                               #
                                  lim        | 
| 75 | 47, 74 | mpbid 147 | 
. . . . . 6
                   ↾t                               #
                                  lim       | 
| 76 | 75 | simprd 114 | 
. . . . 5
                       
    #   
                               lim      | 
| 77 |   | cncfmptc 14832 | 
. . . . . . . 8
                                                          | 
| 78 | 32, 11, 35, 77 | syl3anc 1249 | 
. . . . . . 7
                                | 
| 79 |   | eqidd 2197 | 
. . . . . . 7
                          | 
| 80 | 78, 23, 79 | cnmptlimc 14910 | 
. . . . . 6
                                lim      | 
| 81 | 32 | adantr 276 | 
. . . . . . . . 9
       
                    | 
| 82 | 81 | fmpttd 5717 | 
. . . . . . . 8
                            | 
| 83 | 82, 11 | limcdifap 14898 | 
. . . . . . 7
                        lim                             
        #
    lim 
    | 
| 84 |   | resmpt 4994 | 
. . . . . . . . 9
              #                               
        #
                      #              | 
| 85 | 58, 84 | mp1i 10 | 
. . . . . . . 8
                            
        #
                      #              | 
| 86 | 85 | oveq1d 5937 | 
. . . . . . 7
                                      #
    lim 
                      #             lim      | 
| 87 | 83, 86 | eqtrd 2229 | 
. . . . . 6
                        lim                        #             lim      | 
| 88 | 80, 87 | eleqtrd 2275 | 
. . . . 5
                           
    #   
         lim      | 
| 89 | 5, 25, 7 | dvcl 14919 | 
. . . . . . . 8
       
            
       | 
| 90 | 47, 89 | mpdan 421 | 
. . . . . . 7
              | 
| 91 | 90, 32 | opelxpd 4696 | 
. . . . . 6
                             | 
| 92 | 69 | cncnpi 14464 | 
. . . . . 6
                            
                   
                                | 
| 93 | 64, 91, 92 | sylancr 414 | 
. . . . 5
                      
                | 
| 94 | 31, 33, 35, 35, 3, 38, 76, 88, 93 | limccnp2cntop 14913 | 
. . . 4
                                 
    #   
                                         lim      | 
| 95 | 3 | addcncntop 14798 | 
. . . . 5
                    | 
| 96 | 66, 67 | mulcld 8047 | 
. . . . . 6
                        | 
| 97 | 90, 32 | mulcld 8047 | 
. . . . . 6
                        | 
| 98 | 96, 97 | opelxpd 4696 | 
. . . . 5
                                             | 
| 99 | 69 | cncnpi 14464 | 
. . . . 5
                                                                                                                 | 
| 100 | 95, 98, 99 | sylancr 414 | 
. . . 4
                      
                                | 
| 101 | 30, 34, 35, 35, 3, 38, 72, 94, 100 | limccnp2cntop 14913 | 
. . 3
                                                      #                                                                                       lim      | 
| 102 | 6 | adantr 276 | 
. . . . . . . . . 10
       
               #              | 
| 103 | 102, 28 | ffvelcdmd 5698 | 
. . . . . . . . 9
       
               #                  | 
| 104 | 103, 33 | subcld 8337 | 
. . . . . . . 8
       
               #                            | 
| 105 | 104, 29 | mulcld 8047 | 
. . . . . . 7
       
               #                                      | 
| 106 | 67 | adantr 276 | 
. . . . . . . . 9
       
               #                  | 
| 107 | 29, 106 | subcld 8337 | 
. . . . . . . 8
       
               #                            | 
| 108 | 107, 33 | mulcld 8047 | 
. . . . . . 7
       
               #                                      | 
| 109 | 11 | adantr 276 | 
. . . . . . . . 9
       
               #              | 
| 110 | 109, 28 | sseldd 3184 | 
. . . . . . . 8
       
               #              | 
| 111 | 11, 23 | sseldd 3184 | 
. . . . . . . . 9
              | 
| 112 | 111 | adantr 276 | 
. . . . . . . 8
       
               #          
   | 
| 113 | 110, 112 | subcld 8337 | 
. . . . . . 7
       
               #                    | 
| 114 |   | breq1 4036 | 
. . . . . . . . . . 11
              #    
  #     | 
| 115 | 114 | elrab 2920 | 
. . . . . . . . . 10
                  #                 #
    | 
| 116 | 115 | simprbi 275 | 
. . . . . . . . 9
                  #        #    | 
| 117 | 116 | adantl 277 | 
. . . . . . . 8
       
               #         #    | 
| 118 | 110, 112,
117 | subap0d 8671 | 
. . . . . . 7
       
               #               #    | 
| 119 | 105, 108,
113, 118 | divdirapd 8856 | 
. . . . . 6
       
               #                                                                                                                                                              | 
| 120 | 103, 29 | mulcld 8047 | 
. . . . . . . . 9
       
               #                            | 
| 121 | 33, 29 | mulcld 8047 | 
. . . . . . . . 9
       
               #                            | 
| 122 | 33, 106 | mulcld 8047 | 
. . . . . . . . 9
       
               #                            | 
| 123 | 120, 121,
122 | npncand 8361 | 
. . . . . . . 8
       
               #                                                                                                                          | 
| 124 | 103, 33, 29 | subdird 8441 | 
. . . . . . . . 9
       
               #                                                                        | 
| 125 | 107, 33 | mulcomd 8048 | 
. . . . . . . . . 10
       
               #                                                              | 
| 126 | 33, 29, 106 | subdid 8440 | 
. . . . . . . . . 10
       
               #                                                                        | 
| 127 | 125, 126 | eqtrd 2229 | 
. . . . . . . . 9
       
               #                                                                        | 
| 128 | 124, 127 | oveq12d 5940 | 
. . . . . . . 8
       
               #                                                                                                                                              | 
| 129 | 28, 28 | elind 3348 | 
. . . . . . . . . 10
       
               #                    | 
| 130 | 6 | ffnd 5408 | 
. . . . . . . . . . . 12
              | 
| 131 | 130 | adantr 276 | 
. . . . . . . . . . 11
       
               #          
   | 
| 132 | 25 | ffnd 5408 | 
. . . . . . . . . . . 12
              | 
| 133 | 132 | adantr 276 | 
. . . . . . . . . . 11
       
               #          
   | 
| 134 |   | ssexg 4172 | 
. . . . . . . . . . . . 13
       
                    | 
| 135 | 11, 40, 134 | sylancl 413 | 
. . . . . . . . . . . 12
              | 
| 136 | 135 | adantr 276 | 
. . . . . . . . . . 11
       
               #          
   | 
| 137 |   | eqid 2196 | 
. . . . . . . . . . 11
                    | 
| 138 |   | eqidd 2197 | 
. . . . . . . . . . 11
                        #
     
                        | 
| 139 |   | eqidd 2197 | 
. . . . . . . . . . 11
                        #
     
                        | 
| 140 | 120 | adantr 276 | 
. . . . . . . . . . 11
                        #
     
      
       
                     | 
| 141 | 131, 133,
136, 136, 137, 138, 139, 140 | ofvalg 6145 | 
. . . . . . . . . 10
                        #
     
      
       
                                  | 
| 142 | 129, 141 | mpdan 421 | 
. . . . . . . . 9
       
               #               
                         | 
| 143 | 23, 23 | elind 3348 | 
. . . . . . . . . 10
                    | 
| 144 |   | eqidd 2197 | 
. . . . . . . . . . 11
                        #
     
                        | 
| 145 |   | eqidd 2197 | 
. . . . . . . . . . 11
                        #
     
                        | 
| 146 | 122 | adantr 276 | 
. . . . . . . . . . 11
                        #
     
      
       
                     | 
| 147 | 131, 133,
136, 136, 137, 144, 145, 146 | ofvalg 6145 | 
. . . . . . . . . 10
                        #
     
      
       
                                  | 
| 148 | 143, 147 | mpidan 423 | 
. . . . . . . . 9
       
               #               
                         | 
| 149 | 142, 148 | oveq12d 5940 | 
. . . . . . . 8
       
               #                                                                                | 
| 150 | 123, 128,
149 | 3eqtr4d 2239 | 
. . . . . . 7
       
               #                                                                                                    | 
| 151 | 150 | oveq1d 5937 | 
. . . . . 6
       
               #                                                                                                                            | 
| 152 | 104, 29, 113, 118 | div23apd 8855 | 
. . . . . . 7
       
               #                                                                                      | 
| 153 | 107, 33, 113, 118 | div23apd 8855 | 
. . . . . . 7
       
               #                                                                                      | 
| 154 | 152, 153 | oveq12d 5940 | 
. . . . . 6
       
               #                                                                                                                                                                          | 
| 155 | 119, 151,
154 | 3eqtr3d 2237 | 
. . . . 5
       
               #                                                                                                                                        | 
| 156 | 155 | mpteq2dva 4123 | 
. . . 4
                       #                
                                                      #                                                                                        | 
| 157 | 156 | oveq1d 5937 | 
. . 3
                        #
                                                    lim                   
    #   
                                                                                   lim      | 
| 158 | 101, 157 | eleqtrrd 2276 | 
. 2
                                                      #                                                     lim      | 
| 159 |   | eqid 2196 | 
. . 3
                  #                                                                       #                
                                    | 
| 160 |   | mulcl 8006 | 
. . . . 5
               
                  | 
| 161 | 160 | adantl 277 | 
. . . 4
       
                                | 
| 162 |   | inidm 3372 | 
. . . 4
              | 
| 163 | 161, 6, 25, 135, 135, 162 | off 6148 | 
. . 3
                       | 
| 164 | 2, 3, 159, 5, 163, 7 | eldvap 14918 | 
. 2
                     
                                
            ↾t                                                         #                                                     lim        | 
| 165 | 10, 158, 164 | mpbir2and 946 | 
1
               
                                     |