| Step | Hyp | Ref
| Expression |
| 1 | | simpr 110 |
. . . . . . . . 9
 
   |
| 2 | | cnmptid.j |
. . . . . . . . . . . 12
 TopOn    |
| 3 | | cnmpt11.k |
. . . . . . . . . . . 12
 TopOn    |
| 4 | | cnmpt11.a |
. . . . . . . . . . . 12
       |
| 5 | | cnf2 14441 |
. . . . . . . . . . . 12
  TopOn  TopOn      

       |
| 6 | 2, 3, 4, 5 | syl3anc 1249 |
. . . . . . . . . . 11
         |
| 7 | | eqid 2196 |
. . . . . . . . . . . 12
     |
| 8 | 7 | fmpt 5712 |
. . . . . . . . . . 11
 
        |
| 9 | 6, 8 | sylibr 134 |
. . . . . . . . . 10
 
  |
| 10 | 9 | r19.21bi 2585 |
. . . . . . . . 9
 
   |
| 11 | 7 | fvmpt2 5645 |
. . . . . . . . 9
 
         |
| 12 | 1, 10, 11 | syl2anc 411 |
. . . . . . . 8
 
         |
| 13 | 12 | fveq2d 5562 |
. . . . . . 7
 
                     |
| 14 | | eqid 2196 |
. . . . . . . 8
     |
| 15 | | cnmpt11.c |
. . . . . . . 8
   |
| 16 | 15 | eleq1d 2265 |
. . . . . . . . 9
 

    |
| 17 | | cnmpt11.b |
. . . . . . . . . . . . . 14
       |
| 18 | | cntop2 14438 |
. . . . . . . . . . . . . 14
    
  |
| 19 | 17, 18 | syl 14 |
. . . . . . . . . . . . 13
   |
| 20 | | eqid 2196 |
. . . . . . . . . . . . . 14
   |
| 21 | 20 | toptopon 14254 |
. . . . . . . . . . . . 13

TopOn     |
| 22 | 19, 21 | sylib 122 |
. . . . . . . . . . . 12
 TopOn     |
| 23 | | cnf2 14441 |
. . . . . . . . . . . 12
  TopOn  TopOn                 |
| 24 | 3, 22, 17, 23 | syl3anc 1249 |
. . . . . . . . . . 11
          |
| 25 | 14 | fmpt 5712 |
. . . . . . . . . . 11
 


        |
| 26 | 24, 25 | sylibr 134 |
. . . . . . . . . 10
 
   |
| 27 | 26 | adantr 276 |
. . . . . . . . 9
 
 
   |
| 28 | 16, 27, 10 | rspcdva 2873 |
. . . . . . . 8
 
    |
| 29 | 14, 15, 10, 28 | fvmptd3 5655 |
. . . . . . 7
 
         |
| 30 | 13, 29 | eqtrd 2229 |
. . . . . 6
 
               |
| 31 | | fvco3 5632 |
. . . . . . 7
        
                        |
| 32 | 6, 31 | sylan 283 |
. . . . . 6
 
                         |
| 33 | | eqid 2196 |
. . . . . . . 8
     |
| 34 | 33 | fvmpt2 5645 |
. . . . . . 7
 
          |
| 35 | 1, 28, 34 | syl2anc 411 |
. . . . . 6
 
         |
| 36 | 30, 32, 35 | 3eqtr4d 2239 |
. . . . 5
 
                   |
| 37 | 36 | ralrimiva 2570 |
. . . 4
                    |
| 38 | | nfv 1542 |
. . . . 5
                   |
| 39 | | nfcv 2339 |
. . . . . . . 8
     |
| 40 | | nfmpt1 4126 |
. . . . . . . 8
     |
| 41 | 39, 40 | nfco 4831 |
. . . . . . 7
         |
| 42 | | nfcv 2339 |
. . . . . . 7
   |
| 43 | 41, 42 | nffv 5568 |
. . . . . 6
             |
| 44 | | nfmpt1 4126 |
. . . . . . 7
     |
| 45 | 44, 42 | nffv 5568 |
. . . . . 6
         |
| 46 | 43, 45 | nfeq 2347 |
. . . . 5
                   |
| 47 | | fveq2 5558 |
. . . . . 6
                       |
| 48 | | fveq2 5558 |
. . . . . 6
               |
| 49 | 47, 48 | eqeq12d 2211 |
. . . . 5
                 
                   |
| 50 | 38, 46, 49 | cbvral 2725 |
. . . 4
 
                                   |
| 51 | 37, 50 | sylib 122 |
. . 3
                    |
| 52 | | fco 5423 |
. . . . . 6
        
                    |
| 53 | 24, 6, 52 | syl2anc 411 |
. . . . 5
              |
| 54 | 53 | ffnd 5408 |
. . . 4
         |
| 55 | 28 | fmpttd 5717 |
. . . . 5
          |
| 56 | 55 | ffnd 5408 |
. . . 4
     |
| 57 | | eqfnfv 5659 |
. . . 4
                   

                   |
| 58 | 54, 56, 57 | syl2anc 411 |
. . 3
         

                   |
| 59 | 51, 58 | mpbird 167 |
. 2
           |
| 60 | | cnco 14457 |
. . 3
                     |
| 61 | 4, 17, 60 | syl2anc 411 |
. 2
           |
| 62 | 59, 61 | eqeltrrd 2274 |
1
       |