Step |
Hyp |
Ref |
Expression |
1 |
|
ssid |
|
2 |
|
sseq2 |
|
3 |
2
|
rspcev |
|
4 |
1 3
|
mpan2 |
|
5 |
|
vex |
|
6 |
5
|
elima |
|
7 |
|
vex |
|
8 |
7 5
|
brcnv |
|
9 |
7
|
brsset |
|
10 |
8 9
|
bitri |
|
11 |
10
|
rexbii |
|
12 |
6 11
|
bitri |
|
13 |
4 12
|
sylibr |
|
14 |
13
|
ssriv |
|
15 |
|
sseq2 |
|
16 |
14 15
|
mpbiri |
|
17 |
|
vex |
|
18 |
17 5
|
brimage |
|
19 |
|
df-br |
|
20 |
18 19
|
bitr3i |
|
21 |
5
|
brsset |
|
22 |
|
df-br |
|
23 |
21 22
|
bitr3i |
|
24 |
16 20 23
|
3imtr3i |
|
25 |
24
|
gen2 |
|
26 |
|
funimage |
|
27 |
|
funrel |
|
28 |
|
ssrel |
|
29 |
26 27 28
|
mp2b |
|
30 |
25 29
|
mpbir |
|