Step | Hyp | Ref
| Expression |
1 | | simp23 1096 |
. . 3
  

    
  |
2 | | simp1 1061 |
. . . 4
  

    
  |
3 | | eqid 2622 |
. . . . . 6
         |
4 | | llnexch.n |
. . . . . 6
     |
5 | 3, 4 | llnbase 34795 |
. . . . 5
       |
6 | 1, 5 | syl 17 |
. . . 4
  

    
      |
7 | | llnexch.j |
. . . . 5
     |
8 | | llnexch.a |
. . . . 5
     |
9 | 3, 7, 8, 4 | islln3 34796 |
. . . 4
 
       

      |
10 | 2, 6, 9 | syl2anc 693 |
. . 3
  

       

      |
11 | 1, 10 | mpbid 222 |
. 2
  

     



    |
12 | | simp3r 1090 |
. . 3
  

       |
13 | 12 | necomd 2849 |
. 2
  

       |
14 | | simp11 1091 |
. . . . . . . . . . . 12
   

     

   |
15 | | hllat 34650 |
. . . . . . . . . . . 12
   |
16 | 14, 15 | syl 17 |
. . . . . . . . . . 11
   

     

   |
17 | | simp2l 1087 |
. . . . . . . . . . . 12
   

     

   |
18 | 3, 8 | atbase 34576 |
. . . . . . . . . . . 12
       |
19 | 17, 18 | syl 17 |
. . . . . . . . . . 11
   

     

       |
20 | | simp2r 1088 |
. . . . . . . . . . . 12
   

     

   |
21 | 3, 8 | atbase 34576 |
. . . . . . . . . . . 12
       |
22 | 20, 21 | syl 17 |
. . . . . . . . . . 11
   

     

       |
23 | | simp121 1193 |
. . . . . . . . . . . 12
   

     

   |
24 | 3, 4 | llnbase 34795 |
. . . . . . . . . . . 12
       |
25 | 23, 24 | syl 17 |
. . . . . . . . . . 11
   

     

       |
26 | | llnexch.l |
. . . . . . . . . . . 12
     |
27 | 3, 26, 7 | latjle12 17062 |
. . . . . . . . . . 11
  
   
                  |
28 | 16, 19, 22, 25, 27 | syl13anc 1328 |
. . . . . . . . . 10
   

     

   
     |
29 | | simp3 1063 |
. . . . . . . . . . . 12
   

     

   |
30 | 7, 8, 4 | llni2 34798 |
. . . . . . . . . . . 12
  


    |
31 | 14, 17, 20, 29, 30 | syl31anc 1329 |
. . . . . . . . . . 11
   

     

 
   |
32 | 26, 4 | llncmp 34808 |
. . . . . . . . . . 11
  
    
     |
33 | 14, 31, 23, 32 | syl3anc 1326 |
. . . . . . . . . 10
   

     

   
     |
34 | 28, 33 | bitr2d 269 |
. . . . . . . . 9
   

     

   
     |
35 | 34 | necon3abid 2830 |
. . . . . . . 8
   

     

   
     |
36 | | ianor 509 |
. . . . . . . 8
  
    |
37 | 35, 36 | syl6bb 276 |
. . . . . . 7
   

     

   
     |
38 | | simpl11 1136 |
. . . . . . . . . 10
    
         
  |
39 | 23 | adantr 481 |
. . . . . . . . . 10
    
         
  |
40 | | simp122 1194 |
. . . . . . . . . . 11
   

     

   |
41 | 40 | adantr 481 |
. . . . . . . . . 10
    
         
  |
42 | | simpl2l 1114 |
. . . . . . . . . 10
    
         
  |
43 | | simpl2r 1115 |
. . . . . . . . . 10
    
            |
44 | | simpr 477 |
. . . . . . . . . 10
    
         
  |
45 | | simp13l 1176 |
. . . . . . . . . . 11
   

     

     |
46 | 45 | adantr 481 |
. . . . . . . . . 10
    
              |
47 | | llnexch.m |
. . . . . . . . . . 11
     |
48 | 26, 7, 47, 8, 4 | llnexchb2lem 35154 |
. . . . . . . . . 10
  
 
       
          |
49 | 38, 39, 41, 42, 43, 44, 46, 48 | syl331anc 1351 |
. . . . . . . . 9
    
            
 
  
      |
50 | 49 | ex 450 |
. . . . . . . 8
   

     

 
  
 
  
       |
51 | | simpl11 1136 |
. . . . . . . . . . 11
    
         
  |
52 | 23 | adantr 481 |
. . . . . . . . . . 11
    
         
  |
53 | 40 | adantr 481 |
. . . . . . . . . . 11
    
         
  |
54 | | simpl2r 1115 |
. . . . . . . . . . 11
    
            |
55 | | simpl2l 1114 |
. . . . . . . . . . 11
    
         
  |
56 | | simpr 477 |
. . . . . . . . . . 11
    
         
  |
57 | 45 | adantr 481 |
. . . . . . . . . . 11
    
              |
58 | 26, 7, 47, 8, 4 | llnexchb2lem 35154 |
. . . . . . . . . . 11
  
 
                  |
59 | 51, 52, 53, 54, 55, 56, 57, 58 | syl331anc 1351 |
. . . . . . . . . 10
    
            
 
  
      |
60 | 7, 8 | hlatjcom 34654 |
. . . . . . . . . . . 12
 
       |
61 | 51, 55, 54, 60 | syl3anc 1326 |
. . . . . . . . . . 11
    
                |
62 | 61 | breq2d 4665 |
. . . . . . . . . 10
    
            
 
       |
63 | 61 | oveq2d 6666 |
. . . . . . . . . . 11
    
           
        |
64 | 63 | eqeq2d 2632 |
. . . . . . . . . 10
    
                
  
      |
65 | 59, 62, 64 | 3bitr4d 300 |
. . . . . . . . 9
    
            
 
  
      |
66 | 65 | ex 450 |
. . . . . . . 8
   

     

 
  
 
  
       |
67 | 50, 66 | jaod 395 |
. . . . . . 7
   

     

        
  
       |
68 | 37, 67 | sylbid 230 |
. . . . . 6
   

     

      
 
  
       |
69 | | neeq1 2856 |
. . . . . . 7
   
     |
70 | | breq2 4657 |
. . . . . . . 8
     
       |
71 | | oveq2 6658 |
. . . . . . . . 9
      
    |
72 | 71 | eqeq2d 2632 |
. . . . . . . 8
       
  
      |
73 | 70, 72 | bibi12d 335 |
. . . . . . 7
      
  
     
           |
74 | 69, 73 | imbi12d 334 |
. . . . . 6
       
  
  
 

   
            |
75 | 68, 74 | syl5ibrcom 237 |
. . . . 5
   

     

 
     
  
      |
76 | 75 | 3exp 1264 |
. . . 4
  

            
              |
77 | 76 | imp4a 614 |
. . 3
  

         

 

             |
78 | 77 | rexlimdvv 3037 |
. 2
  

               
  
      |
79 | 11, 13, 78 | mp2d 49 |
1
  

       
  
    |