Step |
Hyp |
Ref |
Expression |
1 |
|
imasbas.u |
|
2 |
|
imasbas.v |
|
3 |
|
imasbas.f |
|
4 |
|
imasbas.r |
|
5 |
|
imasds.e |
|
6 |
|
imasds.d |
|
7 |
|
imasdsval.x |
|
8 |
|
imasdsval.y |
|
9 |
|
imasdsval.s |
|
10 |
|
imasds.u |
|
11 |
1 2 3 4 5 6 7 8 9
|
imasdsval |
|
12 |
10
|
coeq1i |
|
13 |
9
|
ssrab3 |
|
14 |
13
|
sseli |
|
15 |
|
elmapi |
|
16 |
|
frn |
|
17 |
|
cores |
|
18 |
14 15 16 17
|
4syl |
|
19 |
12 18
|
syl5eq |
|
20 |
19
|
oveq2d |
|
21 |
20
|
mpteq2ia |
|
22 |
21
|
rneqi |
|
23 |
22
|
a1i |
|
24 |
23
|
iuneq2i |
|
25 |
24
|
infeq1i |
|
26 |
11 25
|
eqtr4di |
|