| Step |
Hyp |
Ref |
Expression |
| 1 |
|
ralxp3f.1 |
|
| 2 |
|
ralxp3f.2 |
|
| 3 |
|
ralxp3f.3 |
|
| 4 |
|
ralxp3f.4 |
|
| 5 |
|
ralxp3f.5 |
|
| 6 |
|
df-ral |
|
| 7 |
|
el2xptp |
|
| 8 |
7
|
imbi1i |
|
| 9 |
3
|
r19.23 |
|
| 10 |
9
|
ralbii |
|
| 11 |
2
|
r19.23 |
|
| 12 |
10 11
|
bitri |
|
| 13 |
12
|
ralbii |
|
| 14 |
1
|
r19.23 |
|
| 15 |
13 14
|
bitr2i |
|
| 16 |
8 15
|
bitri |
|
| 17 |
16
|
albii |
|
| 18 |
|
ralcom4 |
|
| 19 |
|
ralcom4 |
|
| 20 |
|
ralcom4 |
|
| 21 |
|
otex |
|
| 22 |
4 21 5
|
ceqsal |
|
| 23 |
22
|
ralbii |
|
| 24 |
20 23
|
bitr3i |
|
| 25 |
24
|
ralbii |
|
| 26 |
19 25
|
bitr3i |
|
| 27 |
26
|
ralbii |
|
| 28 |
18 27
|
bitr3i |
|
| 29 |
6 17 28
|
3bitri |
|