Step |
Hyp |
Ref |
Expression |
1 |
|
fcores.f |
|
2 |
|
fcores.e |
|
3 |
|
fcores.p |
|
4 |
|
fcores.x |
|
5 |
|
fcores.g |
|
6 |
|
fcores.y |
|
7 |
|
fcoresfo.s |
|
8 |
2
|
a1i |
|
9 |
|
inss2 |
|
10 |
8 9
|
eqsstrdi |
|
11 |
5 10
|
fssresd |
|
12 |
6
|
feq1i |
|
13 |
11 12
|
sylibr |
|
14 |
1 2 3 4
|
fcoreslem3 |
|
15 |
|
fof |
|
16 |
14 15
|
syl |
|
17 |
1 2 3 4 5 6
|
fcores |
|
18 |
17
|
eqcomd |
|
19 |
|
foeq1 |
|
20 |
18 19
|
syl |
|
21 |
7 20
|
mpbird |
|
22 |
|
foco2 |
|
23 |
13 16 21 22
|
syl3anc |
|