Step |
Hyp |
Ref |
Expression |
1 |
|
el2mpocl.o |
|
2 |
|
el2mpocl.e |
|
3 |
1
|
el2mpocsbcl |
|
4 |
|
simpl |
|
5 |
|
simplr |
|
6 |
2
|
simpld |
|
7 |
6
|
adantll |
|
8 |
5 7
|
csbied |
|
9 |
4 8
|
csbied |
|
10 |
9
|
eleq2d |
|
11 |
2
|
simprd |
|
12 |
11
|
adantll |
|
13 |
5 12
|
csbied |
|
14 |
4 13
|
csbied |
|
15 |
14
|
eleq2d |
|
16 |
10 15
|
anbi12d |
|
17 |
16
|
biimpd |
|
18 |
17
|
imdistani |
|
19 |
3 18
|
syl6 |
|