Step | Hyp | Ref
| Expression |
1 | | eqid 2622 |
. . . . 5
Vtx  Vtx   |
2 | | ushgredgedg.i |
. . . . 5
iEdg   |
3 | 1, 2 | ushgrf 25958 |
. . . 4
 USHGraph       Vtx       |
4 | 3 | adantr 481 |
. . 3
  USHGraph
       Vtx       |
5 | | ssrab2 3687 |
. . 3
     
 |
6 | | f1ores 6151 |
. . 3
        Vtx     
       
        
          
        |
7 | 4, 5, 6 | sylancl 694 |
. 2
  USHGraph
           
          
        |
8 | | ushgredgedg.f |
. . . . 5
       |
9 | | ushgredgedg.a |
. . . . . . 7

      |
10 | 9 | a1i 11 |
. . . . . 6
  USHGraph
 
       |
11 | | eqidd 2623 |
. . . . . 6
   USHGraph             |
12 | 10, 11 | mpteq12dva 4732 |
. . . . 5
  USHGraph
                     |
13 | 8, 12 | syl5eq 2668 |
. . . 4
  USHGraph
  
            |
14 | | f1f 6101 |
. . . . . . . 8
       Vtx 
         Vtx       |
15 | 3, 14 | syl 17 |
. . . . . . 7
 USHGraph       Vtx       |
16 | 5 | a1i 11 |
. . . . . . 7
 USHGraph         |
17 | 15, 16 | feqresmpt 6250 |
. . . . . 6
 USHGraph  
       
            |
18 | 17 | adantr 481 |
. . . . 5
  USHGraph
          
            |
19 | 18 | eqcomd 2628 |
. . . 4
  USHGraph
             
         |
20 | 13, 19 | eqtrd 2656 |
. . 3
  USHGraph
  
        |
21 | | ushgruhgr 25964 |
. . . . . . . . 9
 USHGraph UHGraph  |
22 | | eqid 2622 |
. . . . . . . . . 10
iEdg  iEdg   |
23 | 22 | uhgrfun 25961 |
. . . . . . . . 9
 UHGraph
iEdg    |
24 | 21, 23 | syl 17 |
. . . . . . . 8
 USHGraph
iEdg    |
25 | 2 | funeqi 5909 |
. . . . . . . 8
 iEdg    |
26 | 24, 25 | sylibr 224 |
. . . . . . 7
 USHGraph
  |
27 | 26 | adantr 481 |
. . . . . 6
  USHGraph
   |
28 | | dfimafn 6245 |
. . . . . 6
  
         
       
             |
29 | 27, 5, 28 | sylancl 694 |
. . . . 5
  USHGraph
             
            |
30 | | fveq2 6191 |
. . . . . . . . . . . 12
           |
31 | 30 | eleq2d 2687 |
. . . . . . . . . . 11
 
   
       |
32 | 31 | elrab 3363 |
. . . . . . . . . 10
      
        |
33 | | simpl 473 |
. . . . . . . . . . . . . . . 16
 
    
  |
34 | | fvelrn 6352 |
. . . . . . . . . . . . . . . . 17
         |
35 | 2 | eqcomi 2631 |
. . . . . . . . . . . . . . . . . . 19
iEdg   |
36 | 35 | rneqi 5352 |
. . . . . . . . . . . . . . . . . 18
iEdg   |
37 | 36 | eleq2i 2693 |
. . . . . . . . . . . . . . . . 17
     iEdg 
      |
38 | 34, 37 | sylibr 224 |
. . . . . . . . . . . . . . . 16
       iEdg    |
39 | 27, 33, 38 | syl2an 494 |
. . . . . . . . . . . . . . 15
   USHGraph  
          iEdg    |
40 | 39 | 3adant3 1081 |
. . . . . . . . . . . . . 14
   USHGraph  
    
    
    iEdg    |
41 | | eleq1 2689 |
. . . . . . . . . . . . . . . 16
      iEdg 
    iEdg     |
42 | 41 | eqcoms 2630 |
. . . . . . . . . . . . . . 15
      iEdg 
    iEdg     |
43 | 42 | 3ad2ant3 1084 |
. . . . . . . . . . . . . 14
   USHGraph  
    
    
 iEdg      iEdg     |
44 | 40, 43 | mpbird 247 |
. . . . . . . . . . . . 13
   USHGraph  
    
    
iEdg    |
45 | | ushgredgedg.e |
. . . . . . . . . . . . . . . . 17
Edg   |
46 | | edgval 25941 |
. . . . . . . . . . . . . . . . . 18
Edg  iEdg   |
47 | 46 | a1i 11 |
. . . . . . . . . . . . . . . . 17
 USHGraph Edg  iEdg    |
48 | 45, 47 | syl5eq 2668 |
. . . . . . . . . . . . . . . 16
 USHGraph iEdg    |
49 | 48 | eleq2d 2687 |
. . . . . . . . . . . . . . 15
 USHGraph  iEdg     |
50 | 49 | adantr 481 |
. . . . . . . . . . . . . 14
  USHGraph
 
iEdg     |
51 | 50 | 3ad2ant1 1082 |
. . . . . . . . . . . . 13
   USHGraph  
    
    

iEdg     |
52 | 44, 51 | mpbird 247 |
. . . . . . . . . . . 12
   USHGraph  
    
    
  |
53 | | eleq2 2690 |
. . . . . . . . . . . . . . . 16
     
   
   |
54 | 53 | biimpcd 239 |
. . . . . . . . . . . . . . 15
         
   |
55 | 54 | adantl 482 |
. . . . . . . . . . . . . 14
 
    
    
   |
56 | 55 | a1i 11 |
. . . . . . . . . . . . 13
  USHGraph
       
    
    |
57 | 56 | 3imp 1256 |
. . . . . . . . . . . 12
   USHGraph  
    
    
  |
58 | 52, 57 | jca 554 |
. . . . . . . . . . 11
   USHGraph  
    
    

   |
59 | 58 | 3exp 1264 |
. . . . . . . . . 10
  USHGraph
       
    
      |
60 | 32, 59 | syl5bi 232 |
. . . . . . . . 9
  USHGraph
            

     |
61 | 60 | rexlimdv 3030 |
. . . . . . . 8
  USHGraph
  
          
    |
62 | | funfn 5918 |
. . . . . . . . . . . . . . 15
 iEdg  iEdg  iEdg    |
63 | 62 | biimpi 206 |
. . . . . . . . . . . . . 14
 iEdg  iEdg  iEdg    |
64 | 24, 63 | syl 17 |
. . . . . . . . . . . . 13
 USHGraph iEdg  iEdg    |
65 | | fvelrnb 6243 |
. . . . . . . . . . . . 13
 iEdg  iEdg   iEdg 
 iEdg    iEdg        |
66 | 64, 65 | syl 17 |
. . . . . . . . . . . 12
 USHGraph  iEdg   iEdg    iEdg        |
67 | 35 | dmeqi 5325 |
. . . . . . . . . . . . . . . . . . . . . . 23
iEdg   |
68 | 67 | eleq2i 2693 |
. . . . . . . . . . . . . . . . . . . . . 22
 iEdg 
  |
69 | 68 | biimpi 206 |
. . . . . . . . . . . . . . . . . . . . 21
 iEdg    |
70 | 69 | adantr 481 |
. . . . . . . . . . . . . . . . . . . 20
  iEdg   iEdg     
  |
71 | 70 | adantl 482 |
. . . . . . . . . . . . . . . . . . 19
   USHGraph   iEdg   iEdg         |
72 | 35 | fveq1i 6192 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
 iEdg          |
73 | 72 | eqeq2i 2634 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
  iEdg           |
74 | 73 | biimpi 206 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
  iEdg    
      |
75 | 74 | eqcoms 2630 |
. . . . . . . . . . . . . . . . . . . . . . . 24
  iEdg           |
76 | 75 | eleq2d 2687 |
. . . . . . . . . . . . . . . . . . . . . . 23
  iEdg     
       |
77 | 76 | biimpcd 239 |
. . . . . . . . . . . . . . . . . . . . . 22
   iEdg    
       |
78 | 77 | adantl 482 |
. . . . . . . . . . . . . . . . . . . . 21
  USHGraph
   iEdg    
       |
79 | 78 | adantld 483 |
. . . . . . . . . . . . . . . . . . . 20
  USHGraph
   iEdg   iEdg     
       |
80 | 79 | imp 445 |
. . . . . . . . . . . . . . . . . . 19
   USHGraph   iEdg   iEdg             |
81 | 71, 80 | jca 554 |
. . . . . . . . . . . . . . . . . 18
   USHGraph   iEdg   iEdg       
       |
82 | 81, 32 | sylibr 224 |
. . . . . . . . . . . . . . . . 17
   USHGraph   iEdg   iEdg       
       |
83 | 72 | eqeq1i 2627 |
. . . . . . . . . . . . . . . . . . . 20
  iEdg           |
84 | 83 | biimpi 206 |
. . . . . . . . . . . . . . . . . . 19
  iEdg           |
85 | 84 | adantl 482 |
. . . . . . . . . . . . . . . . . 18
  iEdg   iEdg     
      |
86 | 85 | adantl 482 |
. . . . . . . . . . . . . . . . 17
   USHGraph   iEdg   iEdg             |
87 | 82, 86 | jca 554 |
. . . . . . . . . . . . . . . 16
   USHGraph   iEdg   iEdg                     |
88 | 87 | ex 450 |
. . . . . . . . . . . . . . 15
  USHGraph
   iEdg   iEdg     
 
             |
89 | 88 | reximdv2 3014 |
. . . . . . . . . . . . . 14
  USHGraph
  
iEdg    iEdg      
            |
90 | 89 | ex 450 |
. . . . . . . . . . . . 13
 USHGraph 
 
iEdg    iEdg     
              |
91 | 90 | com23 86 |
. . . . . . . . . . . 12
 USHGraph   iEdg    iEdg       
             |
92 | 66, 91 | sylbid 230 |
. . . . . . . . . . 11
 USHGraph  iEdg    
             |
93 | 49, 92 | sylbid 230 |
. . . . . . . . . 10
 USHGraph 

 
             |
94 | 93 | impd 447 |
. . . . . . . . 9
 USHGraph     
            |
95 | 94 | adantr 481 |
. . . . . . . 8
  USHGraph
  

 
            |
96 | 61, 95 | impbid 202 |
. . . . . . 7
  USHGraph
  
         

    |
97 | | vex 3203 |
. . . . . . . 8
 |
98 | | eqeq2 2633 |
. . . . . . . . 9
     
       |
99 | 98 | rexbidv 3052 |
. . . . . . . 8
  
         
 
            |
100 | 97, 99 | elab 3350 |
. . . . . . 7
   
           
           |
101 | | eleq2 2690 |
. . . . . . . 8
 
   |
102 | | ushgredgedg.b |
. . . . . . . 8

  |
103 | 101, 102 | elrab2 3366 |
. . . . . . 7


   |
104 | 96, 100, 103 | 3bitr4g 303 |
. . . . . 6
  USHGraph
    
         
   |
105 | 104 | eqrdv 2620 |
. . . . 5
  USHGraph
   
            |
106 | 29, 105 | eqtrd 2656 |
. . . 4
  USHGraph
             |
107 | 106 | eqcomd 2628 |
. . 3
  USHGraph
    
        |
108 | 20, 10, 107 | f1oeq123d 6133 |
. 2
  USHGraph
       
        
          
         |
109 | 7, 108 | mpbird 247 |
1
  USHGraph
       |