Step | Hyp | Ref
| Expression |
1 | | elpwi 4168 |
. . . 4
  
   |
2 | | fin2i2 9140 |
. . . . 5
   FinII    [ ]      |
3 | 2 | ex 450 |
. . . 4
 
FinII
    [ ] 
    |
4 | 1, 3 | sylan2 491 |
. . 3
 
FinII
     [ ]

    |
5 | 4 | ralrimiva 2966 |
. 2
 FinII     
[ ] 
    |
6 | | elpwi 4168 |
. . . . 5
  
   |
7 | | simp1r 1086 |
. . . . . . . 8
  
 
     [ ] 
   [ ]      |
8 | | ssrab2 3687 |
. . . . . . . . . . 11
       |
9 | | simp1l 1085 |
. . . . . . . . . . . 12
  
 
     [ ] 
   [ ]     |
10 | | pwexg 4850 |
. . . . . . . . . . . 12
 
  |
11 | | elpw2g 4827 |
. . . . . . . . . . . 12
    
      
  
    |
12 | 9, 10, 11 | 3syl 18 |
. . . . . . . . . . 11
  
 
     [ ] 
   [ ]     
      
  
    |
13 | 8, 12 | mpbiri 248 |
. . . . . . . . . 10
  
 
     [ ] 
   [ ]            |
14 | | simp2 1062 |
. . . . . . . . . 10
  
 
     [ ] 
   [ ]        [ ] 
    |
15 | | simp3l 1089 |
. . . . . . . . . . . 12
  
 
     [ ] 
   [ ]     |
16 | | fin23lem7 9138 |
. . . . . . . . . . . 12
           |
17 | 9, 7, 15, 16 | syl3anc 1326 |
. . . . . . . . . . 11
  
 
     [ ] 
   [ ]          |
18 | | sorpsscmpl 6948 |
. . . . . . . . . . . . 13
[ ]
[ ]        |
19 | 18 | adantl 482 |
. . . . . . . . . . . 12
  [ ] 
[ ]        |
20 | 19 | 3ad2ant3 1084 |
. . . . . . . . . . 11
  
 
     [ ] 
   [ ]   [ ]        |
21 | 17, 20 | jca 554 |
. . . . . . . . . 10
  
 
     [ ] 
   [ ]     
   [ ]         |
22 | | neeq1 2856 |
. . . . . . . . . . . . 13
      
        |
23 | | soeq2 5055 |
. . . . . . . . . . . . 13
      [ ]
[ ]         |
24 | 22, 23 | anbi12d 747 |
. . . . . . . . . . . 12
        [ ]       
[ ]          |
25 | | inteq 4478 |
. . . . . . . . . . . . 13
               |
26 | | id 22 |
. . . . . . . . . . . . 13
             |
27 | 25, 26 | eleq12d 2695 |
. . . . . . . . . . . 12
          
           |
28 | 24, 27 | imbi12d 334 |
. . . . . . . . . . 11
         [ ]

 
   
   [ ]                      |
29 | 28 | rspcv 3305 |
. . . . . . . . . 10
              [ ] 
         [ ]      
               |
30 | 13, 14, 21, 29 | syl3c 66 |
. . . . . . . . 9
  
 
     [ ] 
   [ ]                |
31 | | sorpssint 6947 |
. . . . . . . . . 10
[ ]  
  
 
      
    
              |
32 | 20, 31 | syl 17 |
. . . . . . . . 9
  
 
     [ ] 
   [ ]    
              
           |
33 | 30, 32 | mpbird 247 |
. . . . . . . 8
  
 
     [ ] 
   [ ]     
      
     |
34 | | psseq1 3694 |
. . . . . . . . 9
   
     |
35 | | psseq1 3694 |
. . . . . . . . 9
   
     |
36 | | pssdifcom1 4054 |
. . . . . . . . 9
 
         |
37 | 34, 35, 36 | fin23lem11 9139 |
. . . . . . . 8
   
                 |
38 | 7, 33, 37 | sylc 65 |
. . . . . . 7
  
 
     [ ] 
   [ ]   

  |
39 | | simp3r 1090 |
. . . . . . . 8
  
 
     [ ] 
   [ ]   [ ]   |
40 | | sorpssuni 6946 |
. . . . . . . 8
[ ]
  
    |
41 | 39, 40 | syl 17 |
. . . . . . 7
  
 
     [ ] 
   [ ]    

    |
42 | 38, 41 | mpbid 222 |
. . . . . 6
  
 
     [ ] 
   [ ]      |
43 | 42 | 3exp 1264 |
. . . . 5
          [ ] 
    [ ] 
     |
44 | 6, 43 | sylan2 491 |
. . . 4
 
    
   
[ ] 
    [ ] 
     |
45 | 44 | ralrimdva 2969 |
. . 3
  
   
[ ] 
       [ ] 
     |
46 | | isfin2 9116 |
. . 3
 
FinII     
[ ] 
     |
47 | 45, 46 | sylibrd 249 |
. 2
  
   
[ ] 
  FinII  |
48 | 5, 47 | impbid2 216 |
1
 
FinII     
[ ] 
     |