Step |
Hyp |
Ref |
Expression |
1 |
|
3at.l |
|
2 |
|
3at.j |
|
3 |
|
3at.a |
|
4 |
|
simpl1 |
|
5 |
|
simpl21 |
|
6 |
|
simpl22 |
|
7 |
|
simpr |
|
8 |
6 7
|
jca |
|
9 |
|
simpl23 |
|
10 |
|
simpl3 |
|
11 |
1 2 3
|
3atlem2 |
|
12 |
4 5 8 9 10 11
|
syl131anc |
|
13 |
|
simpl1 |
|
14 |
|
simpl21 |
|
15 |
|
simpr |
|
16 |
|
simpl23 |
|
17 |
|
simpl3 |
|
18 |
1 2 3
|
3atlem1 |
|
19 |
13 14 15 16 17 18
|
syl131anc |
|
20 |
12 19
|
pm2.61dan |
|