Step | Hyp | Ref
| Expression |
1 | | cvmcn 31244 |
. . 3
  CovMap 

   |
2 | | cvmseu.1 |
. . . 4
  |
3 | | cvmfolem.2 |
. . . 4
  |
4 | 2, 3 | cnf 21050 |
. . 3
         |
5 | 1, 4 | syl 17 |
. 2
  CovMap 
      |
6 | | cvmcov.1 |
. . . . . 6
                       
    ↾t    
↾t        |
7 | 6, 3 | cvmcov 31245 |
. . . . 5
   CovMap   

       |
8 | 7 | ex 450 |
. . . 4
  CovMap 



        |
9 | | n0 3931 |
. . . . . . 7
            |
10 | 6 | cvmsn0 31250 |
. . . . . . . . . . . 12
       |
11 | 10 | ad2antll 765 |
. . . . . . . . . . 11
    CovMap 
          |
12 | | n0 3931 |
. . . . . . . . . . 11
    |
13 | 11, 12 | sylib 208 |
. . . . . . . . . 10
    CovMap 
           |
14 | | simprlr 803 |
. . . . . . . . . . . . . . . . . 18
    CovMap 
         
      |
15 | 6 | cvmsss 31249 |
. . . . . . . . . . . . . . . . . 18
       |
16 | 14, 15 | syl 17 |
. . . . . . . . . . . . . . . . 17
    CovMap 
            |
17 | | simprr 796 |
. . . . . . . . . . . . . . . . 17
    CovMap 
            |
18 | 16, 17 | sseldd 3604 |
. . . . . . . . . . . . . . . 16
    CovMap 
            |
19 | | elssuni 4467 |
. . . . . . . . . . . . . . . 16
    |
20 | 18, 19 | syl 17 |
. . . . . . . . . . . . . . 15
    CovMap 
         
   |
21 | 20, 2 | syl6sseqr 3652 |
. . . . . . . . . . . . . 14
    CovMap 
         
  |
22 | | simpll 790 |
. . . . . . . . . . . . . . . . 17
    CovMap 
         
 CovMap    |
23 | 6 | cvmsf1o 31254 |
. . . . . . . . . . . . . . . . 17
   CovMap     
         |
24 | 22, 14, 17, 23 | syl3anc 1326 |
. . . . . . . . . . . . . . . 16
    CovMap 
                  |
25 | | f1ocnv 6149 |
. . . . . . . . . . . . . . . 16
 
    
 
       |
26 | | f1of 6137 |
. . . . . . . . . . . . . . . 16
                 |
27 | 24, 25, 26 | 3syl 18 |
. . . . . . . . . . . . . . 15
    CovMap 
                   |
28 | | simprll 802 |
. . . . . . . . . . . . . . 15
    CovMap 
         
  |
29 | 27, 28 | ffvelrnd 6360 |
. . . . . . . . . . . . . 14
    CovMap 
                   |
30 | 21, 29 | sseldd 3604 |
. . . . . . . . . . . . 13
    CovMap 
                   |
31 | | f1ocnvfv2 6533 |
. . . . . . . . . . . . . . 15
       
                |
32 | 24, 28, 31 | syl2anc 693 |
. . . . . . . . . . . . . 14
    CovMap 
                         |
33 | | fvres 6207 |
. . . . . . . . . . . . . . 15
                                  |
34 | 29, 33 | syl 17 |
. . . . . . . . . . . . . 14
    CovMap 
                                    |
35 | 32, 34 | eqtr3d 2658 |
. . . . . . . . . . . . 13
    CovMap 
         
             |
36 | | fveq2 6191 |
. . . . . . . . . . . . . . 15
   
                     |
37 | 36 | eqeq2d 2632 |
. . . . . . . . . . . . . 14
   
        
              |
38 | 37 | rspcev 3309 |
. . . . . . . . . . . . 13
        
            
      |
39 | 30, 35, 38 | syl2anc 693 |
. . . . . . . . . . . 12
    CovMap 
          
      |
40 | 39 | expr 643 |
. . . . . . . . . . 11
    CovMap 
         
       |
41 | 40 | exlimdv 1861 |
. . . . . . . . . 10
    CovMap 
         

       |
42 | 13, 41 | mpd 15 |
. . . . . . . . 9
    CovMap 
        
      |
43 | 42 | expr 643 |
. . . . . . . 8
    CovMap 


    

       |
44 | 43 | exlimdv 1861 |
. . . . . . 7
    CovMap 


 
    
       |
45 | 9, 44 | syl5bi 232 |
. . . . . 6
    CovMap 


    

       |
46 | 45 | expimpd 629 |
. . . . 5
   CovMap          
       |
47 | 46 | rexlimdva 3031 |
. . . 4
  CovMap 
 
      
       |
48 | 8, 47 | syld 47 |
. . 3
  CovMap 


       |
49 | 48 | ralrimiv 2965 |
. 2
  CovMap 


      |
50 | | dffo3 6374 |
. 2
    
     

       |
51 | 5, 49, 50 | sylanbrc 698 |
1
  CovMap 
      |