Step | Hyp | Ref
| Expression |
1 | | simpl1 1064 |
. . 3
     
 
           
   |
2 | | simpl3 1066 |
. . 3
     
 
           
   |
3 | | dihord5apre.b |
. . . 4
     |
4 | | dihord5apre.l |
. . . 4
     |
5 | | dihord5apre.j |
. . . 4
     |
6 | | dihord5apre.m |
. . . 4
     |
7 | | dihord5apre.a |
. . . 4
     |
8 | | dihord5apre.h |
. . . 4
     |
9 | 3, 4, 5, 6, 7, 8 | lhpmcvr2 35310 |
. . 3
       

 
     |
10 | 1, 2, 9 | syl2anc 693 |
. 2
     
 
           
 
      |
11 | | simp11l 1172 |
. . . . . . . 8
     
 
         
 
  
   
  |
12 | | hllat 34650 |
. . . . . . . 8
   |
13 | 11, 12 | syl 17 |
. . . . . . 7
     
 
         
 
  
   
  |
14 | | simp12l 1174 |
. . . . . . 7
     
 
         
 
  
   
  |
15 | | simp3ll 1132 |
. . . . . . . . 9
     
 
         
 
  
   
  |
16 | 3, 7 | atbase 34576 |
. . . . . . . . 9
   |
17 | 15, 16 | syl 17 |
. . . . . . . 8
     
 
         
 
  
   
  |
18 | 3, 5 | latjcl 17051 |
. . . . . . . 8
 
     |
19 | 13, 17, 14, 18 | syl3anc 1326 |
. . . . . . 7
     
 
         
 
  
   
    |
20 | | simp13l 1176 |
. . . . . . 7
     
 
         
 
  
   
  |
21 | 3, 4, 5 | latlej2 17061 |
. . . . . . . 8
 

    |
22 | 13, 17, 14, 21 | syl3anc 1326 |
. . . . . . 7
     
 
         
 
  
   
    |
23 | | simp11 1091 |
. . . . . . . . . 10
     
 
         
 
  
   
    |
24 | | simp3lr 1133 |
. . . . . . . . . . 11
     
 
         
 
  
   
  |
25 | 3, 4, 5 | latlej1 17060 |
. . . . . . . . . . . . 13
 

    |
26 | 13, 17, 14, 25 | syl3anc 1326 |
. . . . . . . . . . . 12
     
 
         
 
  
   
    |
27 | | simp11r 1173 |
. . . . . . . . . . . . . 14
     
 
         
 
  
   
  |
28 | 3, 8 | lhpbase 35284 |
. . . . . . . . . . . . . 14
   |
29 | 27, 28 | syl 17 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
  |
30 | 3, 4 | lattr 17056 |
. . . . . . . . . . . . 13
    
 
          |
31 | 13, 17, 19, 29, 30 | syl13anc 1328 |
. . . . . . . . . . . 12
     
 
         
 
  
   
          |
32 | 26, 31 | mpand 711 |
. . . . . . . . . . 11
     
 
         
 
  
   
 

   |
33 | 24, 32 | mtod 189 |
. . . . . . . . . 10
     
 
         
 
  
   

   |
34 | | simp3l 1089 |
. . . . . . . . . 10
     
 
         
 
  
   

   |
35 | | simp12 1092 |
. . . . . . . . . . . 12
     
 
         
 
  
   

   |
36 | 3, 4, 5, 6, 7, 8 | lhple 35328 |
. . . . . . . . . . . 12
      
        |
37 | 23, 34, 35, 36 | syl3anc 1326 |
. . . . . . . . . . 11
     
 
         
 
  
   
 
    |
38 | 37 | oveq2d 6666 |
. . . . . . . . . 10
     
 
         
 
  
   
   
      |
39 | | dihord5apre.i |
. . . . . . . . . . 11
         |
40 | | eqid 2622 |
. . . . . . . . . . 11
                 |
41 | | eqid 2622 |
. . . . . . . . . . 11
                 |
42 | | dihord5apre.u |
. . . . . . . . . . 11
         |
43 | | dihord5apre.s |
. . . . . . . . . . 11
     |
44 | 3, 4, 5, 6, 7, 8, 39, 40, 41, 42, 43 | dihvalcq 36525 |
. . . . . . . . . 10
       
        
     
                               
      |
45 | 23, 19, 33, 34, 38, 44 | syl122anc 1335 |
. . . . . . . . 9
     
 
         
 
  
   
                               
      |
46 | 8, 42, 23 | dvhlmod 36399 |
. . . . . . . . . . . . . 14
     
 
         
 
  
   
  |
47 | | eqid 2622 |
. . . . . . . . . . . . . . 15
         |
48 | 47 | lsssssubg 18958 |
. . . . . . . . . . . . . 14

    SubGrp    |
49 | 46, 48 | syl 17 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
    SubGrp    |
50 | 4, 7, 8, 42, 41, 47 | diclss 36482 |
. . . . . . . . . . . . . 14
                         |
51 | 23, 34, 50 | syl2anc 693 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
                  |
52 | 49, 51 | sseldd 3604 |
. . . . . . . . . . . 12
     
 
         
 
  
   
            SubGrp    |
53 | 3, 6 | latmcl 17052 |
. . . . . . . . . . . . . . 15
 
     |
54 | 13, 20, 29, 53 | syl3anc 1326 |
. . . . . . . . . . . . . 14
     
 
         
 
  
   
    |
55 | 3, 4, 6 | latmle2 17077 |
. . . . . . . . . . . . . . 15
 
     |
56 | 13, 20, 29, 55 | syl3anc 1326 |
. . . . . . . . . . . . . 14
     
 
         
 
  
   
    |
57 | 3, 4, 8, 42, 40, 47 | diblss 36459 |
. . . . . . . . . . . . . 14
                               |
58 | 23, 54, 56, 57 | syl12anc 1324 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
                    |
59 | 49, 58 | sseldd 3604 |
. . . . . . . . . . . 12
     
 
         
 
  
   
              SubGrp    |
60 | 43 | lsmub1 18071 |
. . . . . . . . . . . 12
              SubGrp                SubGrp  
           
                              |
61 | 52, 59, 60 | syl2anc 693 |
. . . . . . . . . . 11
     
 
         
 
  
   
           
                              |
62 | | simp13 1093 |
. . . . . . . . . . . 12
     
 
         
 
  
   

   |
63 | | simp3r 1090 |
. . . . . . . . . . . 12
     
 
         
 
  
   
      |
64 | 3, 4, 5, 6, 7, 8, 39, 40, 41, 42, 43 | dihvalcq 36525 |
. . . . . . . . . . . 12
          
   
                                  |
65 | 23, 62, 34, 63, 64 | syl112anc 1330 |
. . . . . . . . . . 11
     
 
         
 
  
   
                                  |
66 | 61, 65 | sseqtr4d 3642 |
. . . . . . . . . 10
     
 
         
 
  
   
           
      |
67 | 37 | fveq2d 6195 |
. . . . . . . . . . . 12
     
 
         
 
  
   
             
                |
68 | 3, 4, 8, 39, 40 | dihvalb 36526 |
. . . . . . . . . . . . 13
                         |
69 | 23, 35, 68 | syl2anc 693 |
. . . . . . . . . . . 12
     
 
         
 
  
   
                  |
70 | 67, 69 | eqtr4d 2659 |
. . . . . . . . . . 11
     
 
         
 
  
   
             
        |
71 | | simp2 1062 |
. . . . . . . . . . 11
     
 
         
 
  
   
          |
72 | 70, 71 | eqsstrd 3639 |
. . . . . . . . . 10
     
 
         
 
  
   
             
 
      |
73 | 3, 6 | latmcl 17052 |
. . . . . . . . . . . . . 14
   
   
   |
74 | 13, 19, 29, 73 | syl3anc 1326 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
 
    |
75 | 3, 4, 6 | latmle2 17077 |
. . . . . . . . . . . . . 14
   
   
   |
76 | 13, 19, 29, 75 | syl3anc 1326 |
. . . . . . . . . . . . 13
     
 
         
 
  
   
 
    |
77 | 3, 4, 8, 42, 40, 47 | diblss 36459 |
. . . . . . . . . . . . 13
                           
         |
78 | 23, 74, 76, 77 | syl12anc 1324 |
. . . . . . . . . . . 12
     
 
         
 
  
   
             
        |
79 | 49, 78 | sseldd 3604 |
. . . . . . . . . . 11
     
 
         
 
  
   
             
  SubGrp    |
80 | 3, 8, 39, 42, 47 | dihlss 36539 |
. . . . . . . . . . . . 13
    
          |
81 | 23, 20, 80 | syl2anc 693 |
. . . . . . . . . . . 12
     
 
         
 
  
   
          |
82 | 49, 81 | sseldd 3604 |
. . . . . . . . . . 11
     
 
         
 
  
   
    SubGrp    |
83 | 43 | lsmlub 18078 |
. . . . . . . . . . 11
              SubGrp              
   SubGrp      SubGrp                
                 
 
    
                          
          |
84 | 52, 79, 82, 83 | syl3anc 1326 |
. . . . . . . . . 10
     
 
         
 
  
   
                 
             
 
    
                          
          |
85 | 66, 72, 84 | mpbi2and 956 |
. . . . . . . . 9
     
 
         
 
  
   
                          
         |
86 | 45, 85 | eqsstrd 3639 |
. . . . . . . 8
     
 
         
 
  
   
            |
87 | 3, 4, 8, 39 | dihord4 36547 |
. . . . . . . . 9
       
  
 
            
   |
88 | 23, 19, 33, 62, 87 | syl121anc 1331 |
. . . . . . . 8
     
 
         
 
  
   
            
   |
89 | 86, 88 | mpbid 222 |
. . . . . . 7
     
 
         
 
  
   
    |
90 | 3, 4, 13, 14, 19, 20, 22, 89 | lattrd 17058 |
. . . . . 6
     
 
         
 
  
   
  |
91 | 90 | 3expia 1267 |
. . . . 5
     
 
               
       |
92 | 91 | exp4c 636 |
. . . 4
     
 
                       |
93 | 92 | imp4a 614 |
. . 3
     
 
                  
    |
94 | 93 | rexlimdv 3030 |
. 2
     
 
            

 
      |
95 | 10, 94 | mpd 15 |
1
     
 
             |