Step |
Hyp |
Ref |
Expression |
1 |
|
ledi.1 |
|
2 |
|
ledi.2 |
|
3 |
|
ledi.3 |
|
4 |
1 2
|
chub1i |
|
5 |
1 3
|
chub1i |
|
6 |
4 5
|
ssini |
|
7 |
|
inss1 |
|
8 |
2 1
|
chub2i |
|
9 |
7 8
|
sstri |
|
10 |
|
inss2 |
|
11 |
3 1
|
chub2i |
|
12 |
10 11
|
sstri |
|
13 |
9 12
|
ssini |
|
14 |
2 3
|
chincli |
|
15 |
1 2
|
chjcli |
|
16 |
1 3
|
chjcli |
|
17 |
15 16
|
chincli |
|
18 |
1 14 17
|
chlubi |
|
19 |
18
|
bicomi |
|
20 |
6 13 19
|
mpbir2an |
|