Step | Hyp | Ref
| Expression |
1 | | opeq1 4402 |
. . . . 5
         |
2 | 1 | breq2d 4665 |
. . . 4
 
  
      |
3 | 2 | anbi1d 741 |
. . 3
         
  

       |
4 | | opeq1 4402 |
. . . . 5
         |
5 | 4 | breq1d 4663 |
. . . 4
     Cgr    
 Cgr      |
6 | 5 | anbi1d 741 |
. . 3
      Cgr      Cgr   
    Cgr      Cgr       |
7 | | opeq1 4402 |
. . . . 5
         |
8 | 7 | breq1d 4663 |
. . . 4
     Cgr      Cgr      |
9 | 8 | anbi1d 741 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
10 | 3, 6, 9 | 3anbi123d 1399 |
. 2
      
        Cgr      Cgr   
    Cgr      Cgr                  Cgr      Cgr   
    Cgr      Cgr        |
11 | | breq1 4656 |
. . . 4
 
  
      |
12 | 11 | anbi1d 741 |
. . 3
     
      

       |
13 | | opeq2 4403 |
. . . . 5
         |
14 | 13 | breq1d 4663 |
. . . 4
     Cgr    
 Cgr      |
15 | | opeq1 4402 |
. . . . 5
         |
16 | 15 | breq1d 4663 |
. . . 4
     Cgr    
 Cgr      |
17 | 14, 16 | anbi12d 747 |
. . 3
      Cgr      Cgr   
    Cgr      Cgr       |
18 | | opeq1 4402 |
. . . . 5
         |
19 | 18 | breq1d 4663 |
. . . 4
     Cgr      Cgr      |
20 | 19 | anbi2d 740 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
21 | 12, 17, 20 | 3anbi123d 1399 |
. 2
     

        Cgr      Cgr   
    Cgr      Cgr                  Cgr      Cgr   
    Cgr      Cgr        |
22 | | opeq2 4403 |
. . . . 5
         |
23 | 22 | breq2d 4665 |
. . . 4
    
      |
24 | 23 | anbi1d 741 |
. . 3
     
      

       |
25 | | opeq2 4403 |
. . . . 5
         |
26 | 25 | breq1d 4663 |
. . . 4
     Cgr    
 Cgr      |
27 | 26 | anbi2d 740 |
. . 3
      Cgr      Cgr   
    Cgr      Cgr       |
28 | 24, 27 | 3anbi12d 1400 |
. 2
     

        Cgr      Cgr   
    Cgr      Cgr                  Cgr      Cgr   
    Cgr  
   Cgr        |
29 | | opeq2 4403 |
. . . . 5
         |
30 | 29 | breq1d 4663 |
. . . 4
     Cgr      Cgr      |
31 | | opeq2 4403 |
. . . . 5
         |
32 | 31 | breq1d 4663 |
. . . 4
     Cgr      Cgr      |
33 | 30, 32 | anbi12d 747 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
34 | 33 | 3anbi3d 1405 |
. 2
     

        Cgr      Cgr   
    Cgr  
   Cgr    
             Cgr      Cgr   
    Cgr  
   Cgr        |
35 | | opeq1 4402 |
. . . . 5
         |
36 | 35 | breq2d 4665 |
. . . 4
 
  
      |
37 | 36 | anbi2d 740 |
. . 3
     
      

       |
38 | | opeq1 4402 |
. . . . 5
         |
39 | 38 | breq2d 4665 |
. . . 4
     Cgr    
 Cgr 
    |
40 | 39 | anbi1d 741 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
41 | | opeq1 4402 |
. . . . 5
   
     |
42 | 41 | breq2d 4665 |
. . . 4
     Cgr      Cgr      |
43 | 42 | anbi1d 741 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
44 | 37, 40, 43 | 3anbi123d 1399 |
. 2
     

        Cgr      Cgr   
    Cgr  
   Cgr    
             Cgr 
    Cgr   
    Cgr  
   Cgr        |
45 | | breq1 4656 |
. . . 4
 
  
      |
46 | 45 | anbi2d 740 |
. . 3
     
 
     
 
     |
47 | | opeq2 4403 |
. . . . 5
         |
48 | 47 | breq2d 4665 |
. . . 4
     Cgr 
    Cgr      |
49 | | opeq1 4402 |
. . . . 5
         |
50 | 49 | breq2d 4665 |
. . . 4
     Cgr    
 Cgr 
    |
51 | 48, 50 | anbi12d 747 |
. . 3
      Cgr      Cgr        Cgr      Cgr       |
52 | | opeq1 4402 |
. . . . 5
   
     |
53 | 52 | breq2d 4665 |
. . . 4
     Cgr      Cgr      |
54 | 53 | anbi2d 740 |
. . 3
      Cgr      Cgr        Cgr      Cgr 
     |
55 | 46, 51, 54 | 3anbi123d 1399 |
. 2
     

        Cgr 
    Cgr   
    Cgr  
   Cgr    
             Cgr 
    Cgr 
      Cgr      Cgr        |
56 | | opeq2 4403 |
. . . . 5
         |
57 | 56 | breq2d 4665 |
. . . 4
    
      |
58 | 57 | anbi2d 740 |
. . 3
     
 
     
 
     |
59 | | opeq2 4403 |
. . . . 5
         |
60 | 59 | breq2d 4665 |
. . . 4
     Cgr 
    Cgr      |
61 | 60 | anbi2d 740 |
. . 3
      Cgr      Cgr 
      Cgr      Cgr 
     |
62 | 58, 61 | 3anbi12d 1400 |
. 2
     

        Cgr 
    Cgr 
      Cgr      Cgr                  Cgr 
    Cgr 
      Cgr      Cgr        |
63 | | opeq2 4403 |
. . . . 5
         |
64 | 63 | breq2d 4665 |
. . . 4
     Cgr 
    Cgr      |
65 | | opeq2 4403 |
. . . . 5
         |
66 | 65 | breq2d 4665 |
. . . 4
     Cgr 
    Cgr      |
67 | 64, 66 | anbi12d 747 |
. . 3
      Cgr      Cgr 
      Cgr      Cgr 
     |
68 | 67 | 3anbi3d 1405 |
. 2
     

        Cgr 
    Cgr 
      Cgr      Cgr                  Cgr 
    Cgr 
      Cgr      Cgr        |
69 | | fveq2 6191 |
. 2
           |
70 | | df-ofs 32090 |
. 2
    
                                                     
   
    
   
 
  
   
    Cgr      Cgr   
    Cgr      Cgr        |
71 | 10, 21, 28, 34, 44, 55, 62, 68, 69, 70 | br8 31646 |
1
      
     
   
         
       
                            

        Cgr 
    Cgr 
      Cgr      Cgr        |