Step |
Hyp |
Ref |
Expression |
1 |
|
usgrstrrepe.v |
|
2 |
|
usgrstrrepe.i |
|
3 |
|
usgrstrrepe.s |
|
4 |
|
usgrstrrepe.b |
|
5 |
|
usgrstrrepe.w |
|
6 |
|
usgrstrrepe.e |
|
7 |
2 3 4 5
|
setsvtx |
|
8 |
7 1
|
eqtr4di |
|
9 |
8
|
pweqd |
|
10 |
9
|
rabeqdv |
|
11 |
|
f1eq3 |
|
12 |
10 11
|
syl |
|
13 |
6 12
|
mpbird |
|
14 |
2 3 4 5
|
setsiedg |
|
15 |
14
|
dmeqd |
|
16 |
|
eqidd |
|
17 |
14 15 16
|
f1eq123d |
|
18 |
13 17
|
mpbird |
|
19 |
|
ovex |
|
20 |
|
eqid |
|
21 |
|
eqid |
|
22 |
20 21
|
isusgrs |
|
23 |
19 22
|
mp1i |
|
24 |
18 23
|
mpbird |
|