| Step | Hyp | Ref
| Expression |
| 1 | | simp1l 1085 |
. . . . . 6
      
    |
| 2 | | hllat 34650 |
. . . . . 6
   |
| 3 | 1, 2 | syl 17 |
. . . . 5
      
    |
| 4 | | simp2l 1087 |
. . . . 5
      
    |
| 5 | | simp3l 1089 |
. . . . 5
      
    |
| 6 | | dihglblem5a.b |
. . . . . 6
     |
| 7 | | dihglblem5a.l |
. . . . . 6
     |
| 8 | | dihglblem5a.m |
. . . . . 6
     |
| 9 | 6, 7, 8 | latmle1 17076 |
. . . . 5
 
     |
| 10 | 3, 4, 5, 9 | syl3anc 1326 |
. . . 4
      
   
  |
| 11 | | simp1 1061 |
. . . . 5
      
      |
| 12 | 6, 8 | latmcl 17052 |
. . . . . 6
 
     |
| 13 | 3, 4, 5, 12 | syl3anc 1326 |
. . . . 5
      
      |
| 14 | | dihglblem5a.h |
. . . . . 6
     |
| 15 | | dihglblem5a.i |
. . . . . 6
         |
| 16 | 6, 7, 14, 15 | dihord 36553 |
. . . . 5
     
     
 
   
     |
| 17 | 11, 13, 4, 16 | syl3anc 1326 |
. . . 4
      
             
    |
| 18 | 10, 17 | mpbird 247 |
. . 3
      
     
 
      |
| 19 | 6, 7, 8 | latmle2 17077 |
. . . . 5
 
     |
| 20 | 3, 4, 5, 19 | syl3anc 1326 |
. . . 4
      
   
  |
| 21 | 6, 7, 14, 15 | dihord 36553 |
. . . . 5
     
     
 
   
     |
| 22 | 11, 13, 5, 21 | syl3anc 1326 |
. . . 4
      
             
    |
| 23 | 20, 22 | mpbird 247 |
. . 3
      
     
 
      |
| 24 | 18, 23 | ssind 3837 |
. 2
      
     
 
            |
| 25 | 14, 15 | dihvalrel 36568 |
. . . . 5
 
       |
| 26 | | relin1 5236 |
. . . . 5
    
            |
| 27 | 25, 26 | syl 17 |
. . . 4
 
             |
| 28 | 27 | 3ad2ant1 1082 |
. . 3
      
 
            |
| 29 | | elin 3796 |
. . . 4
                                |
| 30 | | dihglblem5a.j |
. . . . . . 7
     |
| 31 | | dihglblem5a.a |
. . . . . . 7
     |
| 32 | 6, 7, 30, 8, 31, 14 | lhpmcvr2 35310 |
. . . . . 6
       

 
     |
| 33 | 32 | 3adant3 1081 |
. . . . 5
      
   
 
     |
| 34 | | simpl1 1064 |
. . . . . . . 8
     
     
 
     
   |
| 35 | | simpl2 1065 |
. . . . . . . 8
     
     
 
     
   |
| 36 | | simprl 794 |
. . . . . . . . 9
     
     
 
       |
| 37 | | simprrl 804 |
. . . . . . . . 9
     
     
 
       |
| 38 | 36, 37 | jca 554 |
. . . . . . . 8
     
     
 
     
   |
| 39 | | simprrr 805 |
. . . . . . . 8
     
     
 
     
     |
| 40 | | dihglblem5a.p |
. . . . . . . . 9
         |
| 41 | | dihglblem5a.t |
. . . . . . . . 9
         |
| 42 | | dihglblem5a.r |
. . . . . . . . 9
         |
| 43 | | dihglblem5a.e |
. . . . . . . . 9
         |
| 44 | | dihglblem5a.g |
. . . . . . . . 9
        |
| 45 | | vex 3203 |
. . . . . . . . 9
 |
| 46 | | vex 3203 |
. . . . . . . . 9
 |
| 47 | 6, 7, 30, 8, 31, 14, 40, 41, 42, 43, 15, 44, 45, 46 | dihopelvalc 36538 |
. . . . . . . 8
          
   
                          |
| 48 | 34, 35, 38, 39, 47 | syl112anc 1330 |
. . . . . . 7
     
     
 
                               |
| 49 | | simpr 477 |
. . . . . . 7
  

                         |
| 50 | 48, 49 | syl6bi 243 |
. . . . . 6
     
     
 
            
              |
| 51 | | simpl3 1066 |
. . . . . . . 8
     
     
 
     
   |
| 52 | | dihglblem5a.o |
. . . . . . . . 9

   |
| 53 | 6, 7, 14, 41, 42, 52, 15 | dihopelvalbN 36527 |
. . . . . . . 8
                         |
| 54 | 34, 51, 53 | syl2anc 693 |
. . . . . . 7
     
     
 
                       |
| 55 | 54 | biimpd 219 |
. . . . . 6
     
     
 
            
          |
| 56 | | simprll 802 |
. . . . . . . . . 10
                       |
| 57 | 56 | 3ad2ant3 1084 |
. . . . . . . . 9
     
     
 
               
           |
| 58 | | simp3rr 1135 |
. . . . . . . . . . . . . . . . . 18
     
     
 
               
          |
| 59 | 58 | fveq1d 6193 |
. . . . . . . . . . . . . . . . 17
     
     
 
               
                 |
| 60 | | simp11 1091 |
. . . . . . . . . . . . . . . . . . 19
     
     
 
               
             |
| 61 | 7, 31, 14, 40 | lhpocnel2 35305 |
. . . . . . . . . . . . . . . . . . . 20
 
     |
| 62 | 60, 61 | syl 17 |
. . . . . . . . . . . . . . . . . . 19
     
     
 
               
             |
| 63 | | simp2l 1087 |
. . . . . . . . . . . . . . . . . . 19
     
     
 
               
           |
| 64 | | simp2rl 1130 |
. . . . . . . . . . . . . . . . . . 19
     
     
 
               
        
  |
| 65 | 7, 31, 14, 41, 44 | ltrniotacl 35867 |
. . . . . . . . . . . . . . . . . . 19
      
 
  |
| 66 | 60, 62, 63, 64, 65 | syl112anc 1330 |
. . . . . . . . . . . . . . . . . 18
     
     
 
               
           |
| 67 | 52, 6 | tendo02 36075 |
. . . . . . . . . . . . . . . . . 18
      |
| 68 | 66, 67 | syl 17 |
. . . . . . . . . . . . . . . . 17
     
     
 
               
          
   |
| 69 | 59, 68 | eqtrd 2656 |
. . . . . . . . . . . . . . . 16
     
     
 
               
            
   |
| 70 | 69 | cnveqd 5298 |
. . . . . . . . . . . . . . 15
     
     
 
               
              
   |
| 71 | | cnvresid 5968 |
. . . . . . . . . . . . . . 15


  |
| 72 | 70, 71 | syl6eq 2672 |
. . . . . . . . . . . . . 14
     
     
 
               
                 |
| 73 | 72 | coeq2d 5284 |
. . . . . . . . . . . . 13
     
     
 
               
                     |
| 74 | 6, 14, 41 | ltrn1o 35410 |
. . . . . . . . . . . . . . 15
    
      |
| 75 | 60, 57, 74 | syl2anc 693 |
. . . . . . . . . . . . . 14
     
     
 
               
               |
| 76 | | f1of 6137 |
. . . . . . . . . . . . . 14
    
      |
| 77 | | fcoi1 6078 |
. . . . . . . . . . . . . 14
          |
| 78 | 75, 76, 77 | 3syl 18 |
. . . . . . . . . . . . 13
     
     
 
               
              |
| 79 | 73, 78 | eqtrd 2656 |
. . . . . . . . . . . 12
     
     
 
               
                  |
| 80 | 79 | fveq2d 6195 |
. . . . . . . . . . 11
     
     
 
               
                          |
| 81 | | simp3l 1089 |
. . . . . . . . . . 11
     
     
 
               
                      |
| 82 | 80, 81 | eqbrtrrd 4677 |
. . . . . . . . . 10
     
     
 
               
               |
| 83 | | simprlr 803 |
. . . . . . . . . . 11
                           |
| 84 | 83 | 3ad2ant3 1084 |
. . . . . . . . . 10
     
     
 
               
               |
| 85 | | simp11l 1172 |
. . . . . . . . . . . 12
     
     
 
               
           |
| 86 | 85, 2 | syl 17 |
. . . . . . . . . . 11
     
     
 
               
           |
| 87 | 6, 14, 41, 42 | trlcl 35451 |
. . . . . . . . . . . 12
    
      |
| 88 | 60, 57, 87 | syl2anc 693 |
. . . . . . . . . . 11
     
     
 
               
               |
| 89 | | simp12l 1174 |
. . . . . . . . . . 11
     
     
 
               
           |
| 90 | | simp13l 1176 |
. . . . . . . . . . 11
     
     
 
               
           |
| 91 | 6, 7, 8 | latlem12 17078 |
. . . . . . . . . . 11
      
            
         |
| 92 | 86, 88, 89, 90, 91 | syl13anc 1328 |
. . . . . . . . . 10
     
     
 
               
                   
         |
| 93 | 82, 84, 92 | mpbi2and 956 |
. . . . . . . . 9
     
     
 
               
                 |
| 94 | 57, 93 | jca 554 |
. . . . . . . 8
     
     
 
               
              
    |
| 95 | 86, 89, 90, 12 | syl3anc 1326 |
. . . . . . . . 9
     
     
 
               
             |
| 96 | | simp11r 1173 |
. . . . . . . . . . 11
     
     
 
               
           |
| 97 | 6, 14 | lhpbase 35284 |
. . . . . . . . . . 11
   |
| 98 | 96, 97 | syl 17 |
. . . . . . . . . 10
     
     
 
               
           |
| 99 | 86, 89, 90, 19 | syl3anc 1326 |
. . . . . . . . . 10
     
     
 
               
          
  |
| 100 | | simp13r 1177 |
. . . . . . . . . 10
     
     
 
               
           |
| 101 | 6, 7, 86, 95, 90, 98, 99, 100 | lattrd 17058 |
. . . . . . . . 9
     
     
 
               
          
  |
| 102 | 6, 7, 14, 41, 42, 52, 15 | dihopelvalbN 36527 |
. . . . . . . . 9
                  
              |
| 103 | 60, 95, 101, 102 | syl12anc 1324 |
. . . . . . . 8
     
     
 
               
                         
     |
| 104 | 94, 58, 103 | mpbir2and 957 |
. . . . . . 7
     
     
 
               
               
    |
| 105 | 104 | 3expia 1267 |
. . . . . 6
     
     
 
                                      |
| 106 | 50, 55, 105 | syl2and 500 |
. . . . 5
     
     
 
                     
  
         |
| 107 | 33, 106 | rexlimddv 3035 |
. . . 4
      
          
  
    
  
         |
| 108 | 29, 107 | syl5bi 232 |
. . 3
      
          
                 |
| 109 | 28, 108 | relssdv 5212 |
. 2
      
                    |
| 110 | 24, 109 | eqssd 3620 |
1
      
     
              |