Step |
Hyp |
Ref |
Expression |
1 |
|
lcdval.h |
|
2 |
|
lcdval.o |
|
3 |
|
lcdval.c |
|
4 |
|
lcdval.u |
|
5 |
|
lcdval.f |
|
6 |
|
lcdval.l |
|
7 |
|
lcdval.d |
|
8 |
|
lcdval.k |
|
9 |
1
|
lcdfval |
|
10 |
9
|
fveq1d |
|
11 |
3 10
|
syl5eq |
|
12 |
|
fveq2 |
|
13 |
12 4
|
eqtr4di |
|
14 |
13
|
fveq2d |
|
15 |
14 7
|
eqtr4di |
|
16 |
13
|
fveq2d |
|
17 |
16 5
|
eqtr4di |
|
18 |
|
fveq2 |
|
19 |
18 2
|
eqtr4di |
|
20 |
13
|
fveq2d |
|
21 |
20 6
|
eqtr4di |
|
22 |
21
|
fveq1d |
|
23 |
19 22
|
fveq12d |
|
24 |
19 23
|
fveq12d |
|
25 |
24 22
|
eqeq12d |
|
26 |
17 25
|
rabeqbidv |
|
27 |
15 26
|
oveq12d |
|
28 |
|
eqid |
|
29 |
|
ovex |
|
30 |
27 28 29
|
fvmpt |
|
31 |
11 30
|
sylan9eq |
|
32 |
8 31
|
syl |
|