Step |
Hyp |
Ref |
Expression |
1 |
|
tendoset.l |
|
2 |
|
tendoset.h |
|
3 |
|
tendoset.t |
|
4 |
|
tendoset.r |
|
5 |
|
tendoset.e |
|
6 |
1 2 3 4 5
|
tendoset |
|
7 |
6
|
eleq2d |
|
8 |
3
|
fvexi |
|
9 |
|
fex |
|
10 |
8 9
|
mpan2 |
|
11 |
10
|
3ad2ant1 |
|
12 |
|
feq1 |
|
13 |
|
fveq1 |
|
14 |
|
fveq1 |
|
15 |
|
fveq1 |
|
16 |
14 15
|
coeq12d |
|
17 |
13 16
|
eqeq12d |
|
18 |
17
|
2ralbidv |
|
19 |
14
|
fveq2d |
|
20 |
19
|
breq1d |
|
21 |
20
|
ralbidv |
|
22 |
12 18 21
|
3anbi123d |
|
23 |
11 22
|
elab3 |
|
24 |
7 23
|
syl6bb |
|