Step |
Hyp |
Ref |
Expression |
1 |
|
diaval.b |
|
2 |
|
diaval.l |
|
3 |
|
diaval.h |
|
4 |
|
diaval.t |
|
5 |
|
diaval.r |
|
6 |
|
diaval.i |
|
7 |
1 2 3
|
diaffval |
|
8 |
7
|
fveq1d |
|
9 |
6 8
|
syl5eq |
|
10 |
|
breq2 |
|
11 |
10
|
rabbidv |
|
12 |
|
fveq2 |
|
13 |
12 4
|
eqtr4di |
|
14 |
|
fveq2 |
|
15 |
14 5
|
eqtr4di |
|
16 |
15
|
fveq1d |
|
17 |
16
|
breq1d |
|
18 |
13 17
|
rabeqbidv |
|
19 |
11 18
|
mpteq12dv |
|
20 |
|
eqid |
|
21 |
1
|
fvexi |
|
22 |
21
|
mptrabex |
|
23 |
19 20 22
|
fvmpt |
|
24 |
9 23
|
sylan9eq |
|