Step | Hyp | Ref
| Expression |
1 | | usgredg2v.v |
. . . . 5
Vtx   |
2 | | usgredg2v.e |
. . . . 5
iEdg   |
3 | | usgredg2v.a |
. . . . 5
       |
4 | 1, 2, 3 | usgredg2vlem1 26117 |
. . . 4
  USGraph
             |
5 | 4 | ralrimiva 2966 |
. . 3
 USGraph              |
6 | 5 | adantr 481 |
. 2
  USGraph
 
            |
7 | 2 | usgrf1 26067 |
. . . . . . . . 9
 USGraph       |
8 | 7 | adantr 481 |
. . . . . . . 8
  USGraph
       |
9 | | elrabi 3359 |
. . . . . . . . . 10
 
       |
10 | 9, 3 | eleq2s 2719 |
. . . . . . . . 9
   |
11 | | elrabi 3359 |
. . . . . . . . . 10
 
       |
12 | 11, 3 | eleq2s 2719 |
. . . . . . . . 9
   |
13 | 10, 12 | anim12i 590 |
. . . . . . . 8
 
     |
14 | | f1fveq 6519 |
. . . . . . . 8
     
               |
15 | 8, 13, 14 | syl2an 494 |
. . . . . . 7
   USGraph  
 
        
   |
16 | 15 | bicomd 213 |
. . . . . 6
   USGraph  
 

           |
17 | 16 | notbid 308 |
. . . . 5
   USGraph  
 

           |
18 | | simpl 473 |
. . . . . . . . . 10
  USGraph
 USGraph  |
19 | | simpl 473 |
. . . . . . . . . 10
 
   |
20 | 18, 19 | anim12i 590 |
. . . . . . . . 9
   USGraph  
 
 USGraph    |
21 | | preq1 4268 |
. . . . . . . . . . 11
         |
22 | 21 | eqeq2d 2632 |
. . . . . . . . . 10
        
          |
23 | 22 | cbvriotav 6622 |
. . . . . . . . 9
           
         |
24 | 1, 2, 3 | usgredg2vlem2 26118 |
. . . . . . . . 9
  USGraph
                            
             |
25 | 20, 23, 24 | mpisyl 21 |
. . . . . . . 8
   USGraph  
 
                   |
26 | | simpr 477 |
. . . . . . . . . 10
 
   |
27 | 18, 26 | anim12i 590 |
. . . . . . . . 9
   USGraph  
 
 USGraph    |
28 | 21 | eqeq2d 2632 |
. . . . . . . . . 10
        
          |
29 | 28 | cbvriotav 6622 |
. . . . . . . . 9
           
         |
30 | 1, 2, 3 | usgredg2vlem2 26118 |
. . . . . . . . 9
  USGraph
                            
             |
31 | 27, 29, 30 | mpisyl 21 |
. . . . . . . 8
   USGraph  
 
                   |
32 | 25, 31 | eqeq12d 2637 |
. . . . . . 7
   USGraph  
 
        
                             |
33 | 32 | notbid 308 |
. . . . . 6
   USGraph  
 
        
  
                          |
34 | | riotaex 6615 |
. . . . . . . . . . . 12
           |
35 | 34 | a1i 11 |
. . . . . . . . . . 11
             |
36 | | id 22 |
. . . . . . . . . . 11
   |
37 | | riotaex 6615 |
. . . . . . . . . . . 12
           |
38 | 37 | a1i 11 |
. . . . . . . . . . 11
             |
39 | | preq12bg 4386 |
. . . . . . . . . . 11
            
           
 
                          
                     
           
               |
40 | 35, 36, 38, 36, 39 | syl22anc 1327 |
. . . . . . . . . 10
                                                                             |
41 | 40 | notbid 308 |
. . . . . . . . 9
                                         
       
           
               |
42 | 41 | adantl 482 |
. . . . . . . 8
  USGraph
                                         
       
           
               |
43 | | ioran 511 |
. . . . . . . . . . 11
              
       
           
               
                 
             
            |
44 | | ianor 509 |
. . . . . . . . . . . . 13
                      
                        |
45 | 23, 29 | eqeq12i 2636 |
. . . . . . . . . . . . . . . . 17
  
                 
           
          |
46 | 45 | notbii 310 |
. . . . . . . . . . . . . . . 16
                    
                      |
47 | 46 | biimpi 206 |
. . . . . . . . . . . . . . 15
                                           |
48 | 47 | a1d 25 |
. . . . . . . . . . . . . 14
                      USGraph                        |
49 | | eqid 2622 |
. . . . . . . . . . . . . . 15
 |
50 | 49 | pm2.24i 146 |
. . . . . . . . . . . . . 14
  USGraph                        |
51 | 48, 50 | jaoi 394 |
. . . . . . . . . . . . 13
                     
  USGraph                        |
52 | 44, 51 | sylbi 207 |
. . . . . . . . . . . 12
                       
USGraph                        |
53 | 52 | adantr 481 |
. . . . . . . . . . 11
              
       
             
         
 USGraph
           
           |
54 | 43, 53 | sylbi 207 |
. . . . . . . . . 10
              
       
           
             USGraph                        |
55 | 54 | com12 32 |
. . . . . . . . 9
 USGraph                                               
                       |
56 | 55 | adantr 481 |
. . . . . . . 8
  USGraph
               
       
           
           
           
           |
57 | 42, 56 | sylbid 230 |
. . . . . . 7
  USGraph
                                                   |
58 | 57 | adantr 481 |
. . . . . 6
   USGraph  
 
                                                  |
59 | 33, 58 | sylbid 230 |
. . . . 5
   USGraph  
 
                                |
60 | 17, 59 | sylbid 230 |
. . . 4
   USGraph  
 

                       |
61 | 60 | con4d 114 |
. . 3
   USGraph  
 
                        |
62 | 61 | ralrimivva 2971 |
. 2
  USGraph
 

                        |
63 | | usgredg2v.f |
. . 3
             |
64 | | fveq2 6191 |
. . . . 5
           |
65 | 64 | eqeq1d 2624 |
. . . 4
        
          |
66 | 65 | riotabidv 6613 |
. . 3
                       |
67 | 63, 66 | f1mpt 6518 |
. 2
    
 
          

                         |
68 | 6, 62, 67 | sylanbrc 698 |
1
  USGraph
       |