| Step | Hyp | Ref
 | Expression | 
| 1 |   | caovdilemd.cl | 
. . . 4
       
      
                       | 
| 2 |   | caovdilemd.a | 
. . . 4
              | 
| 3 |   | caovdilemd.c | 
. . . . 5
              | 
| 4 |   | caovdilemd.h | 
. . . . 5
              | 
| 5 | 1, 3, 4 | caovcld 6077 | 
. . . 4
                  | 
| 6 | 1, 2, 5 | caovcld 6077 | 
. . 3
                      | 
| 7 |   | caovdilemd.b | 
. . . 4
              | 
| 8 |   | caovdilemd.d | 
. . . . 5
              | 
| 9 | 1, 8, 4 | caovcld 6077 | 
. . . 4
                  | 
| 10 | 1, 7, 9 | caovcld 6077 | 
. . 3
                      | 
| 11 |   | caovdl2.6 | 
. . . . 5
              | 
| 12 | 1, 8, 11 | caovcld 6077 | 
. . . 4
                  | 
| 13 | 1, 2, 12 | caovcld 6077 | 
. . 3
                      | 
| 14 |   | caovdl2.com | 
. . 3
       
      
                           | 
| 15 |   | caovdl2.ass | 
. . 3
       
      
       
                                   | 
| 16 | 1, 3, 11 | caovcld 6077 | 
. . . 4
                  | 
| 17 | 1, 7, 16 | caovcld 6077 | 
. . 3
                      | 
| 18 |   | caovdl2.cl | 
. . 3
       
      
                       | 
| 19 | 6, 10, 13, 14, 15, 17, 18 | caov42d 6110 | 
. 2
                                                                                                      | 
| 20 |   | caovdilemd.com | 
. . . 4
       
      
                           | 
| 21 |   | caovdilemd.distr | 
. . . 4
       
      
       
                                       | 
| 22 |   | caovdilemd.ass | 
. . . 4
       
      
       
                                   | 
| 23 | 20, 21, 22, 1, 2, 7,
3, 8, 4 | caovdilemd 6115 | 
. . 3
                                                  | 
| 24 | 20, 21, 22, 1, 2, 7,
8, 3, 11 | caovdilemd 6115 | 
. . 3
                                                  | 
| 25 | 23, 24 | oveq12d 5940 | 
. 2
                                                                                              | 
| 26 |   | simpr1 1005 | 
. . . . . . 7
       
      
       
               
   | 
| 27 | 18 | caovclg 6076 | 
. . . . . . . . 9
       
      
                       | 
| 28 | 27 | caovclg 6076 | 
. . . . . . . 8
       
      
                       | 
| 29 | 28 | 3adantr1 1158 | 
. . . . . . 7
       
      
       
                       | 
| 30 | 26, 29 | jca 306 | 
. . . . . 6
       
      
       
                                 | 
| 31 | 20 | caovcomg 6079 | 
. . . . . . 7
       
      
                           | 
| 32 | 31 | caovcomg 6079 | 
. . . . . 6
       
      
                                       | 
| 33 | 30, 32 | syldan 282 | 
. . . . 5
       
      
       
                                   | 
| 34 |   | 3anrot 985 | 
. . . . . 6
               
       
                 
       
    | 
| 35 | 21 | caovdirg 6101 | 
. . . . . . 7
       
      
       
                                       | 
| 36 | 35 | caovdirg 6101 | 
. . . . . 6
       
      
       
                                       | 
| 37 | 34, 36 | sylan2b 287 | 
. . . . 5
       
      
       
                                       | 
| 38 | 20 | eqcomd 2202 | 
. . . . . . 7
       
      
                           | 
| 39 | 38 | 3adantr3 1160 | 
. . . . . 6
       
      
       
                           | 
| 40 | 31 | caovcomg 6079 | 
. . . . . . . 8
       
      
                           | 
| 41 | 40 | ancom2s 566 | 
. . . . . . 7
       
      
                           | 
| 42 | 41 | 3adantr2 1159 | 
. . . . . 6
       
      
       
                           | 
| 43 | 39, 42 | oveq12d 5940 | 
. . . . 5
       
      
       
                                           | 
| 44 | 33, 37, 43 | 3eqtrd 2233 | 
. . . 4
       
      
       
                                       | 
| 45 | 44, 2, 5, 12 | caovdid 6099 | 
. . 3
                                                  | 
| 46 | 44, 7, 16, 9 | caovdid 6099 | 
. . 3
                                                  | 
| 47 | 45, 46 | oveq12d 5940 | 
. 2
                                                                                              | 
| 48 | 19, 25, 47 | 3eqtr4d 2239 | 
1
                                                                                      |