Step |
Hyp |
Ref |
Expression |
1 |
|
sxbrsiga.0 |
|
2 |
|
dya2ioc.1 |
|
3 |
|
dya2ioc.2 |
|
4 |
1 2 3
|
dya2iocucvr |
|
5 |
|
br2base |
|
6 |
4 5
|
eqtr4i |
|
7 |
|
brsigarn |
|
8 |
7
|
elexi |
|
9 |
8 8
|
mpoex |
|
10 |
9
|
rnex |
|
11 |
1 2
|
dya2icobrsiga |
|
12 |
11
|
sseli |
|
13 |
11
|
sseli |
|
14 |
12 13
|
anim12i |
|
15 |
14
|
anim1i |
|
16 |
15
|
ssoprab2i |
|
17 |
|
df-mpo |
|
18 |
3 17
|
eqtri |
|
19 |
|
xpeq1 |
|
20 |
|
xpeq2 |
|
21 |
19 20
|
cbvmpov |
|
22 |
|
df-mpo |
|
23 |
21 22
|
eqtri |
|
24 |
16 18 23
|
3sstr4i |
|
25 |
|
rnss |
|
26 |
24 25
|
ax-mp |
|
27 |
|
sssigagen2 |
|
28 |
10 26 27
|
mp2an |
|
29 |
|
sigagenss2 |
|
30 |
6 28 10 29
|
mp3an |
|
31 |
1 2 3
|
sxbrsigalem4 |
|
32 |
|
eqid |
|
33 |
32
|
sxval |
|
34 |
7 7 33
|
mp2an |
|
35 |
30 31 34
|
3sstr4i |
|