| Step |
Hyp |
Ref |
Expression |
| 1 |
|
idn2 |
|
| 2 |
|
simpl |
|
| 3 |
1 2
|
e2 |
|
| 4 |
|
idn3 |
|
| 5 |
|
idn1 |
|
| 6 |
|
rspsbc |
|
| 7 |
4 5 6
|
e31 |
|
| 8 |
|
trsbc |
|
| 9 |
8
|
biimpd |
|
| 10 |
4 7 9
|
e33 |
|
| 11 |
|
simpr |
|
| 12 |
1 11
|
e2 |
|
| 13 |
|
elintg |
|
| 14 |
13
|
ibi |
|
| 15 |
12 14
|
e2 |
|
| 16 |
|
rsp |
|
| 17 |
15 16
|
e2 |
|
| 18 |
|
pm2.27 |
|
| 19 |
4 17 18
|
e32 |
|
| 20 |
|
trel |
|
| 21 |
20
|
expd |
|
| 22 |
10 3 19 21
|
e323 |
|
| 23 |
22
|
in3 |
|
| 24 |
23
|
gen21 |
|
| 25 |
|
df-ral |
|
| 26 |
25
|
biimpri |
|
| 27 |
24 26
|
e2 |
|
| 28 |
|
elintg |
|
| 29 |
28
|
biimprd |
|
| 30 |
3 27 29
|
e22 |
|
| 31 |
30
|
in2 |
|
| 32 |
31
|
gen12 |
|
| 33 |
|
dftr2 |
|
| 34 |
33
|
biimpri |
|
| 35 |
32 34
|
e1a |
|
| 36 |
35
|
in1 |
|