Step |
Hyp |
Ref |
Expression |
1 |
|
fbasne0 |
|
2 |
|
n0 |
|
3 |
1 2
|
sylib |
|
4 |
|
ssv |
|
5 |
4
|
jctr |
|
6 |
5
|
eximi |
|
7 |
|
df-rex |
|
8 |
6 7
|
sylibr |
|
9 |
3 8
|
syl |
|
10 |
|
inteq |
|
11 |
|
int0 |
|
12 |
10 11
|
eqtrdi |
|
13 |
12
|
sseq2d |
|
14 |
13
|
rexbidv |
|
15 |
9 14
|
syl5ibrcom |
|
16 |
15
|
3ad2ant1 |
|
17 |
|
simpl1 |
|
18 |
|
simpl2 |
|
19 |
|
simpr |
|
20 |
|
simpl3 |
|
21 |
|
elfir |
|
22 |
17 18 19 20 21
|
syl13anc |
|
23 |
|
fbssfi |
|
24 |
17 22 23
|
syl2anc |
|
25 |
24
|
ex |
|
26 |
16 25
|
pm2.61dne |
|