Step |
Hyp |
Ref |
Expression |
1 |
|
bnj1366.1 |
|
2 |
1
|
simp3bi |
|
3 |
1
|
simp2bi |
|
4 |
|
nfcv |
|
5 |
|
nfeu1 |
|
6 |
4 5
|
nfralw |
|
7 |
|
nfra1 |
|
8 |
|
rspa |
|
9 |
|
iota1 |
|
10 |
|
eqcom |
|
11 |
9 10
|
syl6bb |
|
12 |
8 11
|
syl |
|
13 |
7 12
|
rexbida |
|
14 |
|
abid |
|
15 |
|
eqid |
|
16 |
|
iotaex |
|
17 |
15 16
|
elrnmpti |
|
18 |
13 14 17
|
3bitr4g |
|
19 |
6 18
|
alrimi |
|
20 |
3 19
|
syl |
|
21 |
|
nfab1 |
|
22 |
|
nfiota1 |
|
23 |
4 22
|
nfmpt |
|
24 |
23
|
nfrn |
|
25 |
21 24
|
cleqf |
|
26 |
20 25
|
sylibr |
|
27 |
2 26
|
eqtrd |
|
28 |
1
|
simp1bi |
|
29 |
|
mptexg |
|
30 |
|
rnexg |
|
31 |
28 29 30
|
3syl |
|
32 |
27 31
|
eqeltrd |
|