Detailed syntax breakdown of Definition df-mul
| Step | Hyp | Ref
| Expression |
| 1 | | cmul 5251 |
. 2
 |
| 2 | | vx |
. . . . . . 7
 |
| 3 | 2 | cv 957 |
. . . . . 6
 |
| 4 | | cc 5244 |
. . . . . 6
 |
| 5 | 3, 4 | wcel 960 |
. . . . 5
 |
| 6 | | vy |
. . . . . . 7
 |
| 7 | 6 | cv 957 |
. . . . . 6
 |
| 8 | 7, 4 | wcel 960 |
. . . . 5
 |
| 9 | 5, 8 | wa 223 |
. . . 4

  |
| 10 | | vw |
. . . . . . . . . . . . 13
 |
| 11 | 10 | cv 957 |
. . . . . . . . . . . 12
 |
| 12 | | vv |
. . . . . . . . . . . . 13
 |
| 13 | 12 | cv 957 |
. . . . . . . . . . . 12
 |
| 14 | 11, 13 | cop 2415 |
. . . . . . . . . . 11
    |
| 15 | 3, 14 | wceq 958 |
. . . . . . . . . 10
    |
| 16 | | vu |
. . . . . . . . . . . . 13
 |
| 17 | 16 | cv 957 |
. . . . . . . . . . . 12
 |
| 18 | | vf |
. . . . . . . . . . . . 13
 |
| 19 | 18 | cv 957 |
. . . . . . . . . . . 12
 |
| 20 | 17, 19 | cop 2415 |
. . . . . . . . . . 11
    |
| 21 | 7, 20 | wceq 958 |
. . . . . . . . . 10
    |
| 22 | 15, 21 | wa 223 |
. . . . . . . . 9
         |
| 23 | | vz |
. . . . . . . . . . 11
 |
| 24 | 23 | cv 957 |
. . . . . . . . . 10
 |
| 25 | | cmr 5010 |
. . . . . . . . . . . . 13
 |
| 26 | 11, 17, 25 | co 3969 |
. . . . . . . . . . . 12
   |
| 27 | | cm1r 5008 |
. . . . . . . . . . . . 13
 |
| 28 | 13, 19, 25 | co 3969 |
. . . . . . . . . . . . 13
   |
| 29 | 27, 28, 25 | co 3969 |
. . . . . . . . . . . 12
     |
| 30 | | cplr 5009 |
. . . . . . . . . . . 12
 |
| 31 | 26, 29, 30 | co 3969 |
. . . . . . . . . . 11
         |
| 32 | 13, 17, 25 | co 3969 |
. . . . . . . . . . . 12
   |
| 33 | 11, 19, 25 | co 3969 |
. . . . . . . . . . . 12
   |
| 34 | 32, 33, 30 | co 3969 |
. . . . . . . . . . 11
       |
| 35 | 31, 34 | cop 2415 |
. . . . . . . . . 10
   
              |
| 36 | 24, 35 | wceq 958 |
. . . . . . . . 9
            
     |
| 37 | 22, 36 | wa 223 |
. . . . . . . 8
   
                        |
| 38 | 37, 18 | wex 982 |
. . . . . . 7
        
 
                   |
| 39 | 38, 16 | wex 982 |
. . . . . 6
                                |
| 40 | 39, 12 | wex 982 |
. . . . 5
            
 
                   |
| 41 | 40, 10 | wex 982 |
. . . 4
                                    |
| 42 | 9, 41 | wa 223 |
. . 3
                                        |
| 43 | 42, 2, 6, 23 | copab2 3970 |
. 2
                                                |
| 44 | 1, 43 | wceq 958 |
1
        
               
 
                     |