Step |
Hyp |
Ref |
Expression |
1 |
|
caragen0.o |
|
2 |
|
caragen0.s |
|
3 |
|
eqid |
|
4 |
|
0elpw |
|
5 |
4
|
a1i |
|
6 |
|
in0 |
|
7 |
6
|
fveq2i |
|
8 |
|
dif0 |
|
9 |
8
|
fveq2i |
|
10 |
7 9
|
oveq12i |
|
11 |
10
|
a1i |
|
12 |
1
|
ome0 |
|
13 |
12
|
adantr |
|
14 |
13
|
oveq1d |
|
15 |
|
iccssxr |
|
16 |
1
|
adantr |
|
17 |
|
elpwi |
|
18 |
17
|
adantl |
|
19 |
16 3 18
|
omecl |
|
20 |
15 19
|
sseldi |
|
21 |
20
|
xaddid2d |
|
22 |
11 14 21
|
3eqtrd |
|
23 |
1 3 2 5 22
|
carageneld |
|