Step |
Hyp |
Ref |
Expression |
1 |
|
taupilem2 |
|
2 |
|
inss1 |
|
3 |
|
rpssre |
|
4 |
2 3
|
sstri |
|
5 |
|
2rp |
|
6 |
|
pirp |
|
7 |
|
rpmulcl |
|
8 |
5 6 7
|
mp2an |
|
9 |
|
cos2pi |
|
10 |
|
taupilem3 |
|
11 |
8 9 10
|
mpbir2an |
|
12 |
11
|
ne0ii |
|
13 |
|
taupilemrplb |
|
14 |
4 12 13
|
3pm3.2i |
|
15 |
|
2re |
|
16 |
|
pire |
|
17 |
15 16
|
remulcli |
|
18 |
|
infregelb |
|
19 |
14 17 18
|
mp2an |
|
20 |
|
taupilem3 |
|
21 |
|
taupilem1 |
|
22 |
20 21
|
sylbi |
|
23 |
19 22
|
mprgbir |
|
24 |
|
df-tau |
|
25 |
23 24
|
breqtrri |
|
26 |
|
infrecl |
|
27 |
14 26
|
ax-mp |
|
28 |
24 27
|
eqeltri |
|
29 |
28 17
|
letri3i |
|
30 |
1 25 29
|
mpbir2an |
|