Proof of Theorem aceq5lem5
| Step | Hyp | Ref
| Expression |
| 1 | | aceq5lem.1 |
. . 3
  
       |
| 2 | | aceq5lem.2 |
. . 3
    |
| 3 | | aceq5lem.3 |
. . 3
      

              |
| 4 | 1, 2, 3 | aceq5lem4 4662 |
. 2

        |
| 5 | | pm3.27 323 |
. . . . . . . . . . 11
 

  |
| 6 | 5 | a1i 8 |
. . . . . . . . . 10
           |
| 7 | | ineq1 2181 |
. . . . . . . . . . . . . 14
    
          |
| 8 | 7 | eleq2d 1517 |
. . . . . . . . . . . . 13
    
            |
| 9 | 8 | eubidv 1363 |
. . . . . . . . . . . 12
    
              |
| 10 | 9 | rcla4cv 1847 |
. . . . . . . . . . 11
               
    |
| 11 | 1 | aceq5lem3 4661 |
. . . . . . . . . . 11
         |
| 12 | | aceq5lem1 4659 |
. . . . . . . . . . 11
                 |
| 13 | 10, 11, 12 | 3imtr3g 550 |
. . . . . . . . . 10
            
     |
| 14 | 6, 13 | jcad 598 |
. . . . . . . . 9
                    |
| 15 | 2 | eleq2i 1514 |
. . . . . . . . . . . 12
            |
| 16 | | elin 2178 |
. . . . . . . . . . . 12
                  |
| 17 | 1 | aceq5lem2 4660 |
. . . . . . . . . . . . . 14
         |
| 18 | 17 | anbi1i 480 |
. . . . . . . . . . . . 13
     
     
       |
| 19 | | anass 439 |
. . . . . . . . . . . . 13
     
           |
| 20 | 18, 19 | bitr 173 |
. . . . . . . . . . . 12
     
             |
| 21 | 15, 16, 20 | 3bitr 177 |
. . . . . . . . . . 11
             |
| 22 | 21 | eubii 1364 |
. . . . . . . . . 10
                 |
| 23 | | euanv 1409 |
. . . . . . . . . 10
                     |
| 24 | 22, 23 | bitr2 174 |
. . . . . . . . 9
                 |
| 25 | 14, 24 | syl6ib 212 |
. . . . . . . 8
                |
| 26 | | euex 1371 |
. . . . . . . . 9
     
       |
| 27 | | hbeu1 1365 |
. . . . . . . . . . 11
     
         |
| 28 | | ax-17 1190 |
. . . . . . . . . . 11
    
        |
| 29 | 27, 28 | hbim 983 |
. . . . . . . . . 10
                       
   |
| 30 | 21 | pm3.27bi 326 |
. . . . . . . . . . . 12
           |
| 31 | 30 | pm3.26d 321 |
. . . . . . . . . . 11
      |
| 32 | | visset 1788 |
. . . . . . . . . . . . . . 15
 |
| 33 | 32 | tz6.12 3676 |
. . . . . . . . . . . . . 14
                 |
| 34 | 33 | eleq1d 1516 |
. . . . . . . . . . . . 13
                   |
| 35 | 34 | biimparc 419 |
. . . . . . . . . . . 12
     
             |
| 36 | 35 | exp32 377 |
. . . . . . . . . . 11
              
    |
| 37 | 31, 36 | mpcom 49 |
. . . . . . . . . 10
         
       |
| 38 | 29, 37 | 19.23ai 1040 |
. . . . . . . . 9
     
         
   |
| 39 | 26, 38 | mpcom 49 |
. . . . . . . 8
     
      |
| 40 | 25, 39 | syl6 22 |
. . . . . . 7
           
   |
| 41 | 40 | exp3a 375 |
. . . . . 6
     

   
    |
| 42 | 41 | com23 32 |
. . . . 5
      
        |
| 43 | 42 | r19.21aiv 1689 |
. . . 4
     
        |
| 44 | | visset 1788 |
. . . . . . 7
 |
| 45 | 44 | inex2 2685 |
. . . . . 6
 
  |
| 46 | 2, 45 | eqeltr 1520 |
. . . . 5
 |
| 47 | | fveq1 3662 |
. . . . . . . 8
           |
| 48 | 47 | eleq1d 1516 |
. . . . . . 7
         
   |
| 49 | 48 | imbi2d 610 |
. . . . . 6
                 |
| 50 | 49 | ralbidv 1639 |
. . . . 5
                   |
| 51 | 46, 50 | cla4ev 1842 |
. . . 4
      
   
        |
| 52 | 43, 51 | syl 10 |
. . 3
            
   |
| 53 | 52 | 19.23aiv 1277 |
. 2
   

    
        |
| 54 | 4, 53 | syl 10 |
1

       
   |