Proof of Theorem imonclem
| Step | Hyp | Ref
| Expression |
| 1 | | imonclem.1 |
. . . . . . 7
id   |
| 2 | | eqid 1473 |
. . . . . . 7
dom  dom   |
| 3 | | imonclem.2 |
. . . . . . 7
hom   |
| 4 | 1, 2, 3 | ehm 10599 |
. . . . . 6
  Cat
        
dom     |
| 5 | 4 | 3expib 835 |
. . . . 5
 Cat
          
dom      |
| 6 | 5 | 3imp 826 |
. . . 4
  Cat       
  
dom    |
| 7 | 6 | adantr 389 |
. . 3
   Cat           

             
              dom    |
| 8 | | ax-17 969 |
. . . . . 6
  Cat       
      Cat             |
| 9 | | ax-17 969 |
. . . . . . 7
    |
| 10 | | hbra1 1684 |
. . . . . . 7
                                                             |
| 11 | 9, 10 | hbral 1683 |
. . . . . 6
                                                               |
| 12 | 8, 11 | hban 1007 |
. . . . 5
   Cat           

             
                  Cat 

              
                         |
| 13 | | ax-17 969 |
. . . . . . 7
  Cat       
      Cat             |
| 14 | | ax-17 969 |
. . . . . . . 8
    |
| 15 | | ax-17 969 |
. . . . . . . . 9
             
    |
| 16 | | hbra1 1684 |
. . . . . . . . 9
                                           |
| 17 | 15, 16 | hbral 1683 |
. . . . . . . 8
                                                             |
| 18 | 14, 17 | hbral 1683 |
. . . . . . 7
                                                               |
| 19 | 13, 18 | hban 1007 |
. . . . . 6
   Cat           

             
                  Cat 

              
                         |
| 20 | | eqid 1473 |
. . . . . . . . . . . . . . 15
dom  dom   |
| 21 | 2, 1, 20 | dmo 10589 |
. . . . . . . . . . . . . 14
  Cat
dom    dom       |
| 22 | 21 | expcom 374 |
. . . . . . . . . . . . 13
 dom   Cat
 dom        |
| 23 | 22 | adantr 389 |
. . . . . . . . . . . 12
  dom  dom    Cat  dom        |
| 24 | | 3simp1 787 |
. . . . . . . . . . . 12
  Cat       
   Cat |
| 25 | 23, 24 | syl5com 52 |
. . . . . . . . . . 11
  Cat       
     dom  dom    dom        |
| 26 | 25 | imp 350 |
. . . . . . . . . 10
   Cat            dom 
dom     dom       |
| 27 | | r2al 1673 |
. . . . . . . . . . . . 13
                                         
    
                |
| 28 | 27 | ralbii 1664 |
. . . . . . . . . . . 12
                                           
    
                |
| 29 | | opeq1 2483 |
. . . . . . . . . . . . . . . . . . . 20
  dom      
   dom         |
| 30 | 29 | fveq2d 3719 |
. . . . . . . . . . . . . . . . . . 19
  dom                 dom          |
| 31 | 30 | eleq2d 1538 |
. . . . . . . . . . . . . . . . . 18
  dom                  dom           |
| 32 | 30 | eleq2d 1538 |
. . . . . . . . . . . . . . . . . 18
  dom     
      
     dom           |
| 33 | 31, 32 | anbi12d 627 |
. . . . . . . . . . . . . . . . 17
  dom             
              dom       
     dom            |
| 34 | 33 | imbi1d 612 |
. . . . . . . . . . . . . . . 16
  dom            
 
    
         |