Detailed syntax breakdown of Definition df-ovoln
| Step | Hyp | Ref
| Expression |
| 1 | | covoln 40750 |
. 2
voln* |
| 2 | | vx |
. . 3
 |
| 3 | | cfn 7955 |
. . 3
 |
| 4 | | vy |
. . . 4
 |
| 5 | | cr 9935 |
. . . . . 6
 |
| 6 | 2 | cv 1482 |
. . . . . 6
 |
| 7 | | cmap 7857 |
. . . . . 6
 |
| 8 | 5, 6, 7 | co 6650 |
. . . . 5
   |
| 9 | 8 | cpw 4158 |
. . . 4
    |
| 10 | | c0 3915 |
. . . . . 6
 |
| 11 | 6, 10 | wceq 1483 |
. . . . 5
 |
| 12 | | cc0 9936 |
. . . . 5
 |
| 13 | 4 | cv 1482 |
. . . . . . . . . 10
 |
| 14 | | vj |
. . . . . . . . . . 11
 |
| 15 | | cn 11020 |
. . . . . . . . . . 11
 |
| 16 | | vk |
. . . . . . . . . . . 12
 |
| 17 | 16 | cv 1482 |
. . . . . . . . . . . . 13
 |
| 18 | | cico 12177 |
. . . . . . . . . . . . . 14
 |
| 19 | 14 | cv 1482 |
. . . . . . . . . . . . . . 15
 |
| 20 | | vi |
. . . . . . . . . . . . . . . 16
 |
| 21 | 20 | cv 1482 |
. . . . . . . . . . . . . . 15
 |
| 22 | 19, 21 | cfv 5888 |
. . . . . . . . . . . . . 14
     |
| 23 | 18, 22 | ccom 5118 |
. . . . . . . . . . . . 13
       |
| 24 | 17, 23 | cfv 5888 |
. . . . . . . . . . . 12
           |
| 25 | 16, 6, 24 | cixp 7908 |
. . . . . . . . . . 11

           |
| 26 | 14, 15, 25 | ciun 4520 |
. . . . . . . . . 10
             |
| 27 | 13, 26 | wss 3574 |
. . . . . . . . 9
 
 
         |
| 28 | | vz |
. . . . . . . . . . 11
 |
| 29 | 28 | cv 1482 |
. . . . . . . . . 10
 |
| 30 | | cvol 23232 |
. . . . . . . . . . . . . 14
 |
| 31 | 24, 30 | cfv 5888 |
. . . . . . . . . . . . 13
               |
| 32 | 6, 31, 16 | cprod 14635 |
. . . . . . . . . . . 12

               |
| 33 | 14, 15, 32 | cmpt 4729 |
. . . . . . . . . . 11
 
                |
| 34 | | csumge0 40579 |
. . . . . . . . . . 11
Σ^ |
| 35 | 33, 34 | cfv 5888 |
. . . . . . . . . 10
Σ^                    |
| 36 | 29, 35 | wceq 1483 |
. . . . . . . . 9
Σ^                    |
| 37 | 27, 36 | wa 384 |
. . . . . . . 8
            
Σ^                     |
| 38 | 5, 5 | cxp 5112 |
. . . . . . . . . 10
   |
| 39 | 38, 6, 7 | co 6650 |
. . . . . . . . 9
     |
| 40 | 39, 15, 7 | co 6650 |
. . . . . . . 8
       |
| 41 | 37, 20, 40 | wrex 2913 |
. . . . . . 7
          
 
       
Σ^                     |
| 42 | | cxr 10073 |
. . . . . . 7
 |
| 43 | 41, 28, 42 | crab 2916 |
. . . . . 6


         
 
       
Σ^                      |
| 44 | | clt 10074 |
. . . . . 6
 |
| 45 | 43, 42, 44 | cinf 8347 |
. . . . 5
inf  
         
 
       
Σ^                        |
| 46 | 11, 12, 45 | cif 4086 |
. . . 4
    inf 

         
 
       
Σ^                         |
| 47 | 4, 9, 46 | cmpt 4729 |
. . 3
        inf  
         
 
       
Σ^                          |
| 48 | 2, 3, 47 | cmpt 4729 |
. 2
         inf  
         
 
       
Σ^                           |
| 49 | 1, 48 | wceq 1483 |
1
voln*          inf 

         
 
       
Σ^                           |