Proof of Theorem ud3lem1a
| Step | Hyp | Ref
| Expression |
| 1 | | ud3lem0c 279 |
. . 3
                   |
| 2 | | df-i3 46 |
. . 3
                   |
| 3 | 1, 2 | 2an 79 |
. 2
                                         |
| 4 | | comor2 462 |
. . . . . . . . 9
     |
| 5 | | comor1 461 |
. . . . . . . . 9
    |
| 6 | 4, 5 | com2an 484 |
. . . . . . . 8
       |
| 7 | 5 | comcom2 183 |
. . . . . . . . 9
     |
| 8 | 4, 7 | com2an 484 |
. . . . . . . 8
        |
| 9 | 6, 8 | com2or 483 |
. . . . . . 7
             |
| 10 | 9 | comcom 453 |
. . . . . 6
             |
| 11 | | comor2 462 |
. . . . . . . . . 10
   |
| 12 | 11 | comcom2 183 |
. . . . . . . . 9
    |
| 13 | | comor1 461 |
. . . . . . . . 9
   |
| 14 | 12, 13 | com2an 484 |
. . . . . . . 8
      |
| 15 | 13 | comcom2 183 |
. . . . . . . . 9
    |
| 16 | 12, 15 | com2an 484 |
. . . . . . . 8
       |
| 17 | 14, 16 | com2or 483 |
. . . . . . 7
            |
| 18 | 17 | comcom 453 |
. . . . . 6
            |
| 19 | 10, 18 | com2an 484 |
. . . . 5
                 |
| 20 | | comanr2 465 |
. . . . . . . . 9
    |
| 21 | 20 | comcom3 454 |
. . . . . . . 8
     |
| 22 | | comanr2 465 |
. . . . . . . 8
      |
| 23 | 21, 22 | com2or 483 |
. . . . . . 7
           |
| 24 | 23 | comcom 453 |
. . . . . 6
           |
| 25 | | coman2 186 |
. . . . . . . . 9
     |
| 26 | | coman1 185 |
. . . . . . . . 9
    |
| 27 | 25, 26 | com2an 484 |
. . . . . . . 8
       |
| 28 | 26 | comcom2 183 |
. . . . . . . . 9
     |
| 29 | 25, 28 | com2an 484 |
. . . . . . . 8
        |
| 30 | 27, 29 | com2or 483 |
. . . . . . 7
             |
| 31 | 30 | comcom 453 |
. . . . . 6
             |
| 32 | 24, 31 | com2or 483 |
. . . . 5
                |
| 33 | 19, 32 | com2an 484 |
. . . 4
                         |
| 34 | | comanr1 464 |
. . . . . . . 8
     |
| 35 | 34 | comcom6 459 |
. . . . . . 7
    |
| 36 | | comanr1 464 |
. . . . . . . 8
      |
| 37 | 36 | comcom6 459 |
. . . . . . 7
     |
| 38 | 35, 37 | com2or 483 |
. . . . . 6
          |
| 39 | 38 | comcom 453 |
. . . . 5
          |
| 40 | | comor1 461 |
. . . . . . . 8
 
   |
| 41 | | comor2 462 |
. . . . . . . 8
 
  |
| 42 | 40, 41 | com2an 484 |
. . . . . . 7
 
     |
| 43 | 41 | comcom2 183 |
. . . . . . . 8
 
   |
| 44 | 40, 43 | com2an 484 |
. . . . . . 7
 
      |
| 45 | 42, 44 | com2or 483 |
. . . . . 6
 
           |
| 46 | 45 | comcom 453 |
. . . . 5
             |
| 47 | 39, 46 | com2an 484 |
. . . 4
               |
| 48 | 33, 47 | fh2 470 |
. . 3
                                                                                    |
| 49 | | coman2 186 |
. . . . . . . . . 10
 
  |
| 50 | | coman1 185 |
. . . . . . . . . 10
 
   |
| 51 | 49, 50 | com2or 483 |
. . . . . . . . 9
 
     |
| 52 | 50 | comcom7 460 |
. . . . . . . . . 10
 
  |
| 53 | 49, 52 | com2or 483 |
. . . . . . . . 9
 
    |
| 54 | 51, 53 | com2an 484 |
. . . . . . . 8
 
         |
| 55 | 49 | comcom2 183 |
. . . . . . . . 9
 
   |
| 56 | 49, 50 | com2an 484 |
. . . . . . . . 9
 
     |
| 57 | 55, 56 | com2or 483 |
. . . . . . . 8
 
        |
| 58 | 54, 57 | com2an 484 |
. . . . . . 7
 
                 |
| 59 | 50, 55 | com2an 484 |
. . . . . . 7
 
      |
| 60 | 58, 59 | fh2 470 |
. . . . . 6
                                                                      |
| 61 | | anass 76 |
. . . . . . . . 9
                                         |
| 62 | | ancom 74 |
. . . . . . . . . . . 12
                       |
| 63 | | ancom 74 |
. . . . . . . . . . . . . 14
 
     |
| 64 | | ax-a2 31 |
. . . . . . . . . . . . . 14
 
           |
| 65 | 63, 64 | 2an 79 |
. . . . . . . . . . . . 13
                       |
| 66 | | a5c 121 |
. . . . . . . . . . . . 13
               |
| 67 | 65, 66 | ax-r2 36 |
. . . . . . . . . . . 12
               |
| 68 | 62, 67 | ax-r2 36 |
. . . . . . . . . . 11
               |
| 69 | 68 | lan 77 |
. . . . . . . . . 10
                                 |
| 70 | | ancom 74 |
. . . . . . . . . . 11
                         |
| 71 | | lea 160 |
. . . . . . . . . . . . 13
    |
| 72 | | leo 158 |
. . . . . . . . . . . . . 14
    |
| 73 | | leo 158 |
. . . . . . . . . . . . . 14
   |
| 74 | 72, 73 | ler2an 173 |
. . . . . . . . . . . . 13
        |
| 75 | 71, 74 | letr 137 |
. . . . . . . . . . . 12
           |
| 76 | 75 | df2le2 136 |
. . . . . . . . . . 11
                |
| 77 | 70, 76 | ax-r2 36 |
. . . . . . . . . 10
                |
| 78 | 69, 77 | ax-r2 36 |
. . . . . . . . 9
                        |
| 79 | 61, 78 | ax-r2 36 |
. . . . . . . 8
                        |
| 80 | | an32 83 |
. . . . . . . . 9
                                           |
| 81 | | anass 76 |
. . . . . . . . . . . 12
                         |