| 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
|
eqtrid |
|
| 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 |
|