Step |
Hyp |
Ref |
Expression |
1 |
|
znval2.s |
|
2 |
|
znval2.u |
|
3 |
|
znval2.y |
|
4 |
|
znbaslem.e |
|
5 |
|
znbaslem.k |
|
6 |
|
znbaslem.l |
|
7 |
|
eqid |
|
8 |
1 2 3 7
|
znval2 |
|
9 |
8
|
fveq2d |
|
10 |
4 5
|
ndxid |
|
11 |
5
|
nnrei |
|
12 |
11 6
|
ltneii |
|
13 |
4 5
|
ndxarg |
|
14 |
|
plendx |
|
15 |
13 14
|
neeq12i |
|
16 |
12 15
|
mpbir |
|
17 |
10 16
|
setsnid |
|
18 |
9 17
|
syl6reqr |
|