Step |
Hyp |
Ref |
Expression |
1 |
|
idn2 |
|
2 |
|
simpr |
|
3 |
1 2
|
e2 |
|
4 |
|
eluni |
|
5 |
4
|
biimpi |
|
6 |
3 5
|
e2 |
|
7 |
|
simpl |
|
8 |
1 7
|
e2 |
|
9 |
|
idn3 |
|
10 |
|
simpl |
|
11 |
9 10
|
e3 |
|
12 |
|
simpr |
|
13 |
9 12
|
e3 |
|
14 |
|
idn1 |
|
15 |
|
rspsbc |
|
16 |
15
|
com12 |
|
17 |
14 13 16
|
e13 |
|
18 |
|
trsbc |
|
19 |
18
|
biimpd |
|
20 |
13 17 19
|
e33 |
|
21 |
|
trel |
|
22 |
21
|
expdcom |
|
23 |
8 11 20 22
|
e233 |
|
24 |
|
elunii |
|
25 |
24
|
ex |
|
26 |
23 13 25
|
e33 |
|
27 |
26
|
in3 |
|
28 |
27
|
gen21 |
|
29 |
|
19.23v |
|
30 |
29
|
biimpi |
|
31 |
28 30
|
e2 |
|
32 |
|
pm2.27 |
|
33 |
6 31 32
|
e22 |
|
34 |
33
|
in2 |
|
35 |
34
|
gen12 |
|
36 |
|
dftr2 |
|
37 |
36
|
biimpri |
|
38 |
35 37
|
e1a |
|
39 |
38
|
in1 |
|