Step |
Hyp |
Ref |
Expression |
1 |
|
dftr2 |
|
2 |
|
onelon |
|
3 |
2
|
expcom |
|
4 |
|
limord |
|
5 |
|
ordtr |
|
6 |
|
trel |
|
7 |
4 5 6
|
3syl |
|
8 |
7
|
expd |
|
9 |
8
|
com12 |
|
10 |
9
|
a2d |
|
11 |
10
|
alimdv |
|
12 |
3 11
|
anim12d |
|
13 |
|
elom |
|
14 |
|
elom |
|
15 |
12 13 14
|
3imtr4g |
|
16 |
15
|
imp |
|
17 |
16
|
ax-gen |
|
18 |
1 17
|
mpgbir |
|
19 |
|
omsson |
|
20 |
|
ordon |
|
21 |
|
trssord |
|
22 |
18 19 20 21
|
mp3an |
|