Proof of Theorem clm4le
| Step | Hyp | Ref
| Expression |
| 1 | | clm1.1 |
. . . . 5
 |
| 2 | | clm1.2 |
. . . . 5
     |
| 3 | | clm1.3 |
. . . . 5
 |
| 4 | | clm1.4 |
. . . . 5
 |
| 5 | | clm1.5 |
. . . . 5
     |
| 6 | | clm1.6 |
. . . . 5
 |
| 7 | | clm2.7 |
. . . . 5
 |
| 8 | 1, 2, 3, 4, 5, 6, 7 | clm4 7080 |
. . . 4
               
                |
| 9 | | inss2 2231 |
. . . . 5

  |
| 10 | | ssralv 2114 |
. . . . 5
                    |
| 11 | 9, 10 | ax-mp 7 |
. . . 4
                |
| 12 | 8, 11 | sylan2 451 |
. . 3
            
                |
| 13 | | ax-17 971 |
. . . . . . . . 9

   |
| 14 | | hbra1 1687 |
. . . . . . . . 9
        
      |
| 15 | 13, 14 | hban 1009 |
. . . . . . . 8
                   |
| 16 | | ax-17 971 |
. . . . . . . 8

   |
| 17 | 15, 16 | hban 1009 |
. . . . . . 7
   
          
        |
| 18 | | ltlet 5520 |
. . . . . . . . 9
                                     |
| 19 | | subclt 5367 |
. . . . . . . . . . . . . 14
               |
| 20 | 19 | ancoms 436 |
. . . . . . . . . . . . 13
               |
| 21 | | absclt 6833 |
. . . . . . . . . . . . 13
      
            |
| 22 | 20, 21 | syl 10 |
. . . . . . . . . . . 12
                   |
| 23 | | ra4 1694 |
. . . . . . . . . . . . 13
              |
| 24 | 23 | imp 350 |
. . . . . . . . . . . 12
              |
| 25 | 22, 24 | sylan2 451 |
. . . . . . . . . . 11
   
                  |
| 26 | 25 | anassrs 441 |
. . . . . . . . . 10
   
                  |
| 27 | 26 | adantlr 393 |
. . . . . . . . 9
    
                   |
| 28 | | simplr 413 |
. . . . . . . . 9
    
         |
| 29 | 18, 27, 28 | sylanc 471 |
. . . . . . . 8
    
                               |
| 30 | 29 | imim2d 25 |
. . . . . . 7
    
                                   |
| 31 | 17, 30 | r19.20da 1708 |
. . . . . 6
   
                                    |
| 32 | 31 | r19.22sdv 1738 |
. . . . 5
   
                                      |
| 33 | 32 | imim2d 25 |
. . . 4
   
                        

                |
| 34 | 33 | r19.20dva 1709 |
. . 3
                          
 

                |
| 35 | 12, 34 | sylbid 203 |
. 2
         
 

                |
| 36 | | rehalfclt 6034 |
. . . . . . . . 9
     |
| 37 | | breq2 2623 |
. . . . . . . . . . 11
         |
| 38 | | breq2 2623 |
. . . . . . . . . . . . 13
                             |
| 39 | 38 | imbi2d 612 |
. . . . . . . . . . . 12
                                 |
| 40 | 39 | rexralbidv 1682 |
. . . . . . . . . . 11
                   
                 |
| 41 | 37, 40 | imbi12d 626 |
. . . . . . . . . 10
      
                                    |
| 42 | 41 | rcla4v 1873 |
. . . . . . . . 9
       
                                    |
| 43 | 36, 42 | syl 10 |
. . . . . . . 8
     
                                    |
| 44 | 43 | ad2antrr 404 |
. . . . . . 7
    
                            |