Step | Hyp | Ref
| Expression |
1 | | resttop 20964 |
. . 3
 
 
↾t    |
2 | | islly 21271 |
. . . 4
  ↾t  Locally
  ↾t    ↾t   
   ↾t        ↾t  ↾t      |
3 | 2 | baib 944 |
. . 3
  ↾t    ↾t  Locally
  ↾t   
   ↾t        ↾t  ↾t      |
4 | 1, 3 | syl 17 |
. 2
 
   ↾t  Locally
  ↾t   
   ↾t        ↾t  ↾t      |
5 | | vex 3203 |
. . . . 5
 |
6 | 5 | inex1 4799 |
. . . 4
   |
7 | 6 | a1i 11 |
. . 3
    
    |
8 | | elrest 16088 |
. . 3
 
   ↾t 


    |
9 | | simpr 477 |
. . . . 5
      

   |
10 | 9 | raleqdv 3144 |
. . . 4
      
 

  ↾t       
↾t 
↾t         
↾t       
↾t 
↾t      |
11 | | elin 3796 |
. . . . . . . . 9
   ↾t     
↾t      |
12 | 11 | anbi1i 731 |
. . . . . . . 8
    ↾t       ↾t  ↾t       ↾t       ↾t  ↾t      |
13 | | anass 681 |
. . . . . . . 8
    ↾t       ↾t  ↾t     
↾t       ↾t  ↾t       |
14 | 12, 13 | bitri 264 |
. . . . . . 7
    ↾t       ↾t  ↾t     
↾t       ↾t  ↾t       |
15 | 14 | rexbii2 3039 |
. . . . . 6
    ↾t       
↾t 
↾t     ↾t        ↾t  ↾t      |
16 | | vex 3203 |
. . . . . . . . 9
 |
17 | 16 | inex1 4799 |
. . . . . . . 8
   |
18 | 17 | a1i 11 |
. . . . . . 7
        
  
     |
19 | | elrest 16088 |
. . . . . . . 8
 
   ↾t 


    |
20 | 19 | ad2antrr 762 |
. . . . . . 7
   
   
     ↾t 


    |
21 | | 3anass 1042 |
. . . . . . . 8
  
  ↾t  ↾t        ↾t 
↾t      |
22 | | simpr 477 |
. . . . . . . . . . 11
        
  
  
    |
23 | | simpllr 799 |
. . . . . . . . . . 11
        
  
       |
24 | 22, 23 | sseq12d 3634 |
. . . . . . . . . 10
        
  
           |
25 | | selpw 4165 |
. . . . . . . . . 10
 
  |
26 | | inss2 3834 |
. . . . . . . . . . . 12
   |
27 | 26 | biantru 526 |
. . . . . . . . . . 11
  
 
      |
28 | | ssin 3835 |
. . . . . . . . . . 11
   

 
  
   |
29 | 27, 28 | bitri 264 |
. . . . . . . . . 10
  
  
   |
30 | 24, 25, 29 | 3bitr4g 303 |
. . . . . . . . 9
        
  
      
   |
31 | 22 | eleq2d 2687 |
. . . . . . . . . 10
        
  
         |
32 | | inss2 3834 |
. . . . . . . . . . . . 13
   |
33 | | simplr 792 |
. . . . . . . . . . . . 13
        
  
       |
34 | 32, 33 | sseldi 3601 |
. . . . . . . . . . . 12
        
  
     |
35 | 34 | biantrud 528 |
. . . . . . . . . . 11
        
  
    
    |
36 | | elin 3796 |
. . . . . . . . . . 11
  

   |
37 | 35, 36 | syl6bbr 278 |
. . . . . . . . . 10
        
  
         |
38 | 31, 37 | bitr4d 271 |
. . . . . . . . 9
        
  
       |
39 | 22 | oveq2d 6666 |
. . . . . . . . . . 11
        
  
     ↾t  ↾t    ↾t 
↾t      |
40 | | simp-4l 806 |
. . . . . . . . . . . 12
        
  
  
  |
41 | 26 | a1i 11 |
. . . . . . . . . . . 12
        
  
    
  |
42 | | simplr 792 |
. . . . . . . . . . . . 13
      
  |
43 | 42 | ad2antrr 762 |
. . . . . . . . . . . 12
        
  
  
  |
44 | | restabs 20969 |
. . . . . . . . . . . 12
  
   
↾t 
↾t    
↾t      |
45 | 40, 41, 43, 44 | syl3anc 1326 |
. . . . . . . . . . 11
        
  
     ↾t  ↾t     ↾t      |
46 | 39, 45 | eqtrd 2656 |
. . . . . . . . . 10
        
  
     ↾t  ↾t   ↾t      |
47 | 46 | eleq1d 2686 |
. . . . . . . . 9
        
  
      ↾t  ↾t   ↾t       |
48 | 30, 38, 47 | 3anbi123d 1399 |
. . . . . . . 8
        
  
     
 
↾t 
↾t      
↾t        |
49 | 21, 48 | syl5bbr 274 |
. . . . . . 7
        
  
         ↾t  ↾t       
↾t        |
50 | 18, 20, 49 | rexxfr2d 4883 |
. . . . . 6
   
   
     
↾t        ↾t  ↾t       

↾t        |
51 | 15, 50 | syl5bb 272 |
. . . . 5
   
   
       ↾t        ↾t  ↾t   
  

↾t        |
52 | 51 | ralbidva 2985 |
. . . 4
      
 
      ↾t        ↾t  ↾t   

  
  

↾t        |
53 | 10, 52 | bitrd 268 |
. . 3
      
 

  ↾t       
↾t 
↾t          

↾t        |
54 | 7, 8, 53 | ralxfr2d 4882 |
. 2
 
   
↾t   
   ↾t        ↾t  ↾t   


  
  

↾t        |
55 | 4, 54 | bitrd 268 |
1
 
   ↾t  Locally
 

  
  

↾t        |