Step |
Hyp |
Ref |
Expression |
1 |
|
cusgrsizeindb0.v |
|
2 |
|
cusgrsizeindb0.e |
|
3 |
|
cusgrcplgr |
|
4 |
1
|
nbcplgr |
|
5 |
3 4
|
sylan |
|
6 |
5
|
3adant2 |
|
7 |
6
|
fveq2d |
|
8 |
|
cusgrusgr |
|
9 |
8
|
anim1i |
|
10 |
9
|
3adant2 |
|
11 |
1 2
|
nbusgrf1o |
|
12 |
10 11
|
syl |
|
13 |
1 2
|
nbusgr |
|
14 |
8 13
|
syl |
|
15 |
14
|
adantr |
|
16 |
|
rabfi |
|
17 |
16
|
adantl |
|
18 |
15 17
|
eqeltrd |
|
19 |
18
|
3adant3 |
|
20 |
8
|
anim1i |
|
21 |
1
|
isfusgr |
|
22 |
20 21
|
sylibr |
|
23 |
|
fusgrfis |
|
24 |
2 23
|
eqeltrid |
|
25 |
|
rabfi |
|
26 |
24 25
|
syl |
|
27 |
22 26
|
syl |
|
28 |
27
|
3adant3 |
|
29 |
|
hasheqf1o |
|
30 |
19 28 29
|
syl2anc |
|
31 |
12 30
|
mpbird |
|
32 |
|
hashdifsn |
|
33 |
32
|
3adant1 |
|
34 |
7 31 33
|
3eqtr3d |
|