Step | Hyp | Ref
| Expression |
1 | | simp1 999 |
. . . . 5
  Rng  ↾s  Rng      Rng |
2 | 1 | a1i 9 |
. . . 4
   Rng 
↾s  Rng
    
Rng  |
3 | | simp1 999 |
. . . . 5
  Rng  ↾s  Rng      Rng |
4 | | subrngpropd.1 |
. . . . . 6
       |
5 | | subrngpropd.2 |
. . . . . 6
       |
6 | | subrngpropd.3 |
. . . . . 6
 

                  |
7 | | subrngpropd.4 |
. . . . . 6
 

                    |
8 | 4, 5, 6, 7 | rngpropd 13306 |
. . . . 5
  Rng
Rng  |
9 | 3, 8 | imbitrrid 156 |
. . . 4
   Rng 
↾s  Rng
    
Rng  |
10 | 8 | adantr 276 |
. . . . . 6
 
Rng  Rng Rng  |
11 | 4 | ineq2d 3351 |
. . . . . . . . 9
           |
12 | 11 | adantr 276 |
. . . . . . . 8
 
Rng           |
13 | | eqidd 2190 |
. . . . . . . . 9
 
Rng  ↾s   ↾s    |
14 | | eqidd 2190 |
. . . . . . . . 9
 
Rng           |
15 | | simpr 110 |
. . . . . . . . 9
 
Rng Rng |
16 | | vex 2755 |
. . . . . . . . . 10
 |
17 | 16 | a1i 9 |
. . . . . . . . 9
 
Rng   |
18 | 13, 14, 15, 17 | ressbasd 12576 |
. . . . . . . 8
 
Rng           ↾s     |
19 | 12, 18 | eqtrd 2222 |
. . . . . . 7
 
Rng       ↾s     |
20 | 5 | ineq2d 3351 |
. . . . . . . . 9
           |
21 | 20 | adantr 276 |
. . . . . . . 8
 
Rng           |
22 | | eqidd 2190 |
. . . . . . . . 9
 
Rng  ↾s   ↾s    |
23 | | eqidd 2190 |
. . . . . . . . 9
 
Rng           |
24 | 8 | biimpa 296 |
. . . . . . . . 9
 
Rng Rng |
25 | 22, 23, 24, 17 | ressbasd 12576 |
. . . . . . . 8
 
Rng           ↾s     |
26 | 21, 25 | eqtrd 2222 |
. . . . . . 7
 
Rng       ↾s     |
27 | | elinel2 3337 |
. . . . . . . . 9
     |
28 | | elinel2 3337 |
. . . . . . . . 9
     |
29 | 27, 28 | anim12i 338 |
. . . . . . . 8
   
   
   |
30 | 6 | adantlr 477 |
. . . . . . . . 9
   Rng                    |
31 | | eqidd 2190 |
. . . . . . . . . . 11
 
Rng         |
32 | 13, 31, 17, 15 | ressplusgd 12637 |
. . . . . . . . . 10
 
Rng      
↾s     |
33 | 32 | oveqdr 5923 |
. . . . . . . . 9
   Rng                ↾s       |
34 | | eqidd 2190 |
. . . . . . . . . . 11
 
Rng         |
35 | 22, 34, 17, 24 | ressplusgd 12637 |
. . . . . . . . . 10
 
Rng      
↾s     |
36 | 35 | oveqdr 5923 |
. . . . . . . . 9
   Rng                ↾s       |
37 | 30, 33, 36 | 3eqtr3d 2230 |
. . . . . . . 8
   Rng        
↾s          ↾s       |
38 | 29, 37 | sylan2 286 |
. . . . . . 7
   Rng            
↾s          ↾s       |
39 | 7 | adantlr 477 |
. . . . . . . . 9
   Rng                      |
40 | | eqid 2189 |
. . . . . . . . . . . 12
 ↾s   ↾s   |
41 | | eqid 2189 |
. . . . . . . . . . . 12
         |
42 | 40, 41 | ressmulrg 12653 |
. . . . . . . . . . 11
 
Rng        
↾s     |
43 | 17, 15, 42 | syl2anc 411 |
. . . . . . . . . 10
 
Rng         ↾s     |
44 | 43 | oveqdr 5923 |
. . . . . . . . 9
   Rng                  ↾s       |
45 | | eqid 2189 |
. . . . . . . . . . . 12
 ↾s   ↾s   |
46 | | eqid 2189 |
. . . . . . . . . . . 12
         |
47 | 45, 46 | ressmulrg 12653 |
. . . . . . . . . . 11
 
Rng        
↾s     |
48 | 17, 24, 47 | syl2anc 411 |
. . . . . . . . . 10
 
Rng         ↾s     |
49 | 48 | oveqdr 5923 |
. . . . . . . . 9
   Rng                  ↾s       |
50 | 39, 44, 49 | 3eqtr3d 2230 |
. . . . . . . 8
   Rng          ↾s           ↾s       |
51 | 29, 50 | sylan2 286 |
. . . . . . 7
   Rng              ↾s           ↾s       |
52 | 19, 26, 38, 51 | rngpropd 13306 |
. . . . . 6
 
Rng   ↾s  Rng
 ↾s 
Rng  |
53 | 4, 5 | eqtr3d 2224 |
. . . . . . . 8
           |
54 | 53 | sseq2d 3200 |
. . . . . . 7
     
       |
55 | 54 | adantr 276 |
. . . . . 6
 
Rng             |
56 | 10, 52, 55 | 3anbi123d 1323 |
. . . . 5
 
Rng   Rng
 ↾s  Rng
    
 Rng  ↾s  Rng
        |
57 | 56 | ex 115 |
. . . 4
  Rng   Rng 
↾s  Rng
    
 Rng  ↾s  Rng
         |
58 | 2, 9, 57 | pm5.21ndd 706 |
. . 3
   Rng 
↾s  Rng
    
 Rng  ↾s  Rng
        |
59 | | eqid 2189 |
. . . 4
         |
60 | 59 | issubrng 13543 |
. . 3
 SubRng   Rng 
↾s  Rng
       |
61 | | eqid 2189 |
. . . 4
         |
62 | 61 | issubrng 13543 |
. . 3
 SubRng   Rng 
↾s  Rng
       |
63 | 58, 60, 62 | 3bitr4g 223 |
. 2
  SubRng 
SubRng     |
64 | 63 | eqrdv 2187 |
1
 SubRng  SubRng    |