| 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 |
|