| Step | Hyp | Ref
| Expression |
| 1 | | xkohmeo.f |
. . 3
               |
| 2 | | xkohmeo.x |
. . . . . . 7
 TopOn    |
| 3 | | xkohmeo.y |
. . . . . . 7
 TopOn    |
| 4 | | txtopon 21394 |
. . . . . . 7
  TopOn  TopOn  
  TopOn      |
| 5 | 2, 3, 4 | syl2anc 693 |
. . . . . 6
   TopOn 
    |
| 6 | | topontop 20718 |
. . . . . 6
   TopOn        |
| 7 | 5, 6 | syl 17 |
. . . . 5
     |
| 8 | | xkohmeo.l |
. . . . 5
   |
| 9 | | eqid 2622 |
. . . . . 6
             |
| 10 | 9 | xkotopon 21403 |
. . . . 5
   
       TopOn        |
| 11 | 7, 8, 10 | syl2anc 693 |
. . . 4
       TopOn        |
| 12 | | vex 3203 |
. . . . . . . . 9
 |
| 13 | | vex 3203 |
. . . . . . . . 9
 |
| 14 | 12, 13 | op1std 7178 |
. . . . . . . 8
          |
| 15 | 12, 13 | op2ndd 7179 |
. . . . . . . 8
          |
| 16 | | eqidd 2623 |
. . . . . . . 8
      |
| 17 | 14, 15, 16 | oveq123d 6671 |
. . . . . . 7
                      |
| 18 | 17 | mpteq2dv 4745 |
. . . . . 6
                          |
| 19 | 18 | mpt2mpt 6752 |
. . . . 5
                           
        |
| 20 | | txtopon 21394 |
. . . . . . 7
        TopOn     
TopOn           TopOn          |
| 21 | 11, 2, 20 | syl2anc 693 |
. . . . . 6
         TopOn          |
| 22 | | vex 3203 |
. . . . . . . . . . 11
 |
| 23 | | vex 3203 |
. . . . . . . . . . 11
 |
| 24 | 22, 23 | op1std 7178 |
. . . . . . . . . 10
          |
| 25 | 24 | fveq2d 6195 |
. . . . . . . . 9
                  |
| 26 | 24 | fveq2d 6195 |
. . . . . . . . 9
                  |
| 27 | 22, 23 | op2ndd 7179 |
. . . . . . . . 9
          |
| 28 | 25, 26, 27 | oveq123d 6671 |
. . . . . . . 8
                                          |
| 29 | 28 | mpt2mpt 6752 |
. . . . . . 7
                                                        |
| 30 | | txtopon 21394 |
. . . . . . . . 9
          TopOn        TopOn             TopOn            |
| 31 | 21, 3, 30 | syl2anc 693 |
. . . . . . . 8
           TopOn            |
| 32 | | eqid 2622 |
. . . . . . . . . 10
   |
| 33 | 32 | toptopon 20722 |
. . . . . . . . 9

TopOn     |
| 34 | 8, 33 | sylib 208 |
. . . . . . . 8
 TopOn     |
| 35 | | xkohmeo.j |
. . . . . . . . 9

𝑛Locally   |
| 36 | | xkohmeo.k |
. . . . . . . . 9

𝑛Locally   |
| 37 | | txcmp 21446 |
. . . . . . . . . 10
   
   |
| 38 | 37 | txnlly 21440 |
. . . . . . . . 9
 
𝑛Locally
𝑛Locally    𝑛Locally   |
| 39 | 35, 36, 38 | syl2anc 693 |
. . . . . . . 8
  
𝑛Locally   |
| 40 | 25 | mpt2mpt 6752 |
. . . . . . . . . 10
                                |
| 41 | 5 | adantr 481 |
. . . . . . . . . . . . 13
 
           TopOn      |
| 42 | 34 | adantr 481 |
. . . . . . . . . . . . 13
 
         TopOn     |
| 43 | | xp1st 7198 |
. . . . . . . . . . . . . . 15
                     |
| 44 | 43 | adantl 482 |
. . . . . . . . . . . . . 14
 
                     |
| 45 | | xp1st 7198 |
. . . . . . . . . . . . . 14
                         |
| 46 | 44, 45 | syl 17 |
. . . . . . . . . . . . 13
 
                       |
| 47 | | cnf2 21053 |
. . . . . . . . . . . . 13
    TopOn 
  TopOn                                 |
| 48 | 41, 42, 46, 47 | syl3anc 1326 |
. . . . . . . . . . . 12
 
                          |
| 49 | 48 | feqmptd 6249 |
. . . . . . . . . . 11
 
                                   |
| 50 | 49 | mpteq2dva 4744 |
. . . . . . . . . 10
                                               |
| 51 | 40, 50 | syl5eqr 2670 |
. . . . . . . . 9
                                          |
| 52 | 21, 3 | cnmpt1st 21471 |
. . . . . . . . . 10
                                |
| 53 | | fveq2 6191 |
. . . . . . . . . . . 12
           |
| 54 | 53 | cbvmptv 4750 |
. . . . . . . . . . 11
                         |
| 55 | 14 | mpt2mpt 6752 |
. . . . . . . . . . . 12
                    |
| 56 | 11, 2 | cnmpt1st 21471 |
. . . . . . . . . . . 12
                          |
| 57 | 55, 56 | syl5eqel 2705 |
. . . . . . . . . . 11
                               |
| 58 | 54, 57 | syl5eqel 2705 |
. . . . . . . . . 10
                               |
| 59 | 21, 3, 52, 21, 58, 53 | cnmpt21 21474 |
. . . . . . . . 9
                                  |
| 60 | 51, 59 | eqeltrrd 2702 |
. . . . . . . 8
                                               |
| 61 | 26 | mpt2mpt 6752 |
. . . . . . . . . 10
                                |
| 62 | | fveq2 6191 |
. . . . . . . . . . . . 13
           |
| 63 | 62 | cbvmptv 4750 |
. . . . . . . . . . . 12
                         |
| 64 | 15 | mpt2mpt 6752 |
. . . . . . . . . . . . 13
                    |
| 65 | 11, 2 | cnmpt2nd 21472 |
. . . . . . . . . . . . 13
                    |
| 66 | 64, 65 | syl5eqel 2705 |
. . . . . . . . . . . 12
                         |
| 67 | 63, 66 | syl5eqel 2705 |
. . . . . . . . . . 11
                         |
| 68 | 21, 3, 52, 21, 67, 62 | cnmpt21 21474 |
. . . . . . . . . 10
                            |
| 69 | 61, 68 | syl5eqel 2705 |
. . . . . . . . 9
                                 |
| 70 | 27 | mpt2mpt 6752 |
. . . . . . . . . 10
                        |
| 71 | 21, 3 | cnmpt2nd 21472 |
. . . . . . . . . 10
                        |
| 72 | 70, 71 | syl5eqel 2705 |
. . . . . . . . 9
                             |
| 73 | 31, 69, 72 | cnmpt1t 21468 |
. . . . . . . 8
                                          |
| 74 | | fveq2 6191 |
. . . . . . . . 9
               
                                         |
| 75 | | df-ov 6653 |
. . . . . . . . 9
                                                    |
| 76 | 74, 75 | syl6eqr 2674 |
. . . . . . . 8
               
                                      |
| 77 | 31, 5, 34, 39, 60, 73, 76 | cnmptk1p 21488 |
. . . . . . 7
                                            
    |
| 78 | 29, 77 | syl5eqelr 2706 |
. . . . . 6
                                    |
| 79 | 21, 3, 78 | cnmpt2k 21491 |
. . . . 5
                                       |
| 80 | 19, 79 | syl5eqelr 2706 |
. . . 4
                              |
| 81 | 11, 2, 80 | cnmpt2k 21491 |
. . 3
                                 |
| 82 | 1, 81 | syl5eqel 2705 |
. 2
                   |
| 83 | 2, 3, 1, 35, 36, 8 | xkocnv 21617 |
. . . 4
 
                     |
| 84 | 13, 23 | op1std 7178 |
. . . . . . . 8
          |
| 85 | 84 | fveq2d 6195 |
. . . . . . 7
                  |
| 86 | 13, 23 | op2ndd 7179 |
. . . . . . 7
          |
| 87 | 85, 86 | fveq12d 6197 |
. . . . . 6
                              |
| 88 | 87 | mpt2mpt 6752 |
. . . . 5
                                |
| 89 | 88 | mpteq2i 4741 |
. . . 4
  
                                             |
| 90 | 83, 89 | syl6eqr 2674 |
. . 3
 
                              |
| 91 | | nllytop 21276 |
. . . . . 6
 𝑛Locally   |
| 92 | 35, 91 | syl 17 |
. . . . 5
   |
| 93 | | nllytop 21276 |
. . . . . . 7
 𝑛Locally   |
| 94 | 36, 93 | syl 17 |
. . . . . 6
   |
| 95 | | xkotop 21391 |
. . . . . 6
 
       |
| 96 | 94, 8, 95 | syl2anc 693 |
. . . . 5
       |
| 97 | | eqid 2622 |
. . . . . 6
                 |
| 98 | 97 | xkotopon 21403 |
. . . . 5
  
            TopOn          |
| 99 | 92, 96, 98 | syl2anc 693 |
. . . 4
         TopOn 
        |
| 100 | | vex 3203 |
. . . . . . . . 9
 |
| 101 | 100, 22 | op1std 7178 |
. . . . . . . 8
          |
| 102 | 100, 22 | op2ndd 7179 |
. . . . . . . . 9
          |
| 103 | 102 | fveq2d 6195 |
. . . . . . . 8
                  |
| 104 | 101, 103 | fveq12d 6197 |
. . . . . . 7
                              |
| 105 | 102 | fveq2d 6195 |
. . . . . . 7
                  |
| 106 | 104, 105 | fveq12d 6197 |
. . . . . 6
                                                  |
| 107 | 106 | mpt2mpt 6752 |
. . . . 5
                                          
                         |
| 108 | | txtopon 21394 |
. . . . . . 7
          TopOn 
      
 TopOn    
            TopOn              |
| 109 | 99, 5, 108 | syl2anc 693 |
. . . . . 6
             TopOn              |
| 110 | 3 | adantr 481 |
. . . . . . . . . 10
 
  
       
TopOn    |
| 111 | 34 | adantr 481 |
. . . . . . . . . 10
 
  
       
TopOn     |
| 112 | 2 | adantr 481 |
. . . . . . . . . . . 12
 
  
       
TopOn    |
| 113 | | eqid 2622 |
. . . . . . . . . . . . . . 15
         |
| 114 | 113 | xkotopon 21403 |
. . . . . . . . . . . . . 14
 
     TopOn      |
| 115 | 94, 8, 114 | syl2anc 693 |
. . . . . . . . . . . . 13
     TopOn      |
| 116 | 115 | adantr 481 |
. . . . . . . . . . . 12
 
  
            TopOn      |
| 117 | | xp1st 7198 |
. . . . . . . . . . . . 13
                       |
| 118 | 117 | adantl 482 |
. . . . . . . . . . . 12
 
  
                    |
| 119 | | cnf2 21053 |
. . . . . . . . . . . 12
  TopOn      TopOn 
                         |
| 120 | 112, 116,
118, 119 | syl3anc 1326 |
. . . . . . . . . . 11
 
  
                    |
| 121 | | xp2nd 7199 |
. . . . . . . . . . . . 13
                   |
| 122 | 121 | adantl 482 |
. . . . . . . . . . . 12
 
  
                |
| 123 | | xp1st 7198 |
. . . . . . . . . . . 12
                 |
| 124 | 122, 123 | syl 17 |
. . . . . . . . . . 11
 
  
                  |
| 125 | 120, 124 | ffvelrnd 6360 |
. . . . . . . . . 10
 
  
                            |
| 126 | | cnf2 21053 |
. . . . . . . . . 10
  TopOn  TopOn                                             |
| 127 | 110, 111,
125, 126 | syl3anc 1326 |
. . . . . . . . 9
 
  
                               |
| 128 | 127 | feqmptd 6249 |
. . . . . . . 8
 
  
                                                |
| 129 | 128 | mpteq2dva 4744 |
. . . . . . 7
                                
                                |
| 130 | 101 | mpt2mpt 6752 |
. . . . . . . . . 10
                            |
| 131 | 120 | feqmptd 6249 |
. . . . . . . . . . 11
 
  
                        |
| 132 | 131 | mpteq2dva 4744 |
. . . . . . . . . 10
                                         |
| 133 | 130, 132 | syl5eqr 2670 |
. . . . . . . . 9
               
                    |
| 134 | 99, 5 | cnmpt1st 21471 |
. . . . . . . . 9
                                    |
| 135 | 133, 134 | eqeltrrd 2702 |
. . . . . . . 8
                                               |
| 136 | 103 | mpt2mpt 6752 |
. . . . . . . . 9
                      
             |
| 137 | 99, 5 | cnmpt2nd 21472 |
. . . . . . . . . 10
                              |
| 138 | 53 | cbvmptv 4750 |
. . . . . . . . . . 11
                 |
| 139 | 84 | mpt2mpt 6752 |
. . . . . . . . . . . 12
         
  |
| 140 | 2, 3 | cnmpt1st 21471 |
. . . . . . . . . . . 12
  
       |
| 141 | 139, 140 | syl5eqel 2705 |
. . . . . . . . . . 11
               |
| 142 | 138, 141 | syl5eqel 2705 |
. . . . . . . . . 10
               |
| 143 | 99, 5, 137, 5, 142, 53 | cnmpt21 21474 |
. . . . . . . . 9
                                |
| 144 | 136, 143 | syl5eqel 2705 |
. . . . . . . 8
                                     |
| 145 | | fveq2 6191 |
. . . . . . . 8
                                   |
| 146 | 109, 2, 115, 35, 135, 144, 145 | cnmptk1p 21488 |
. . . . . . 7
                                                 |
| 147 | 129, 146 | eqeltrrd 2702 |
. . . . . 6
                                                       |
| 148 | 105 | mpt2mpt 6752 |
. . . . . . 7
                      
             |
| 149 | 62 | cbvmptv 4750 |
. . . . . . . . 9
                 |
| 150 | 86 | mpt2mpt 6752 |
. . . . . . . . . 10
         
  |
| 151 | 2, 3 | cnmpt2nd 21472 |
. . . . . . . . . 10
  
       |
| 152 | 150, 151 | syl5eqel 2705 |
. . . . . . . . 9
               |
| 153 | 149, 152 | syl5eqel 2705 |
. . . . . . . 8
               |
| 154 | 99, 5, 137, 5, 153, 62 | cnmpt21 21474 |
. . . . . . 7
                                |
| 155 | 148, 154 | syl5eqel 2705 |
. . . . . 6
                                     |
| 156 | | fveq2 6191 |
. . . . . 6
                                                           |
| 157 | 109, 3, 34, 36, 147, 155, 156 | cnmptk1p 21488 |
. . . . 5
                                                         |
| 158 | 107, 157 | syl5eqelr 2706 |
. . . 4
                                            |
| 159 | 99, 5, 158 | cnmpt2k 21491 |
. . 3
                                               |
| 160 | 90, 159 | eqeltrd 2701 |
. 2
 
                  |
| 161 | | ishmeo 21562 |
. 2
                  
                 
                   |
| 162 | 82, 160, 161 | sylanbrc 698 |
1
                     |