Step |
Hyp |
Ref |
Expression |
1 |
|
satfv0.s |
|
2 |
|
r19.41v |
|
3 |
|
r19.41v |
|
4 |
2 3
|
orbi12i |
|
5 |
|
ovex |
|
6 |
|
difelpw |
|
7 |
5 6
|
ax-mp |
|
8 |
|
eleq1 |
|
9 |
7 8
|
mpbiri |
|
10 |
9
|
pm4.71i |
|
11 |
10
|
bianass |
|
12 |
11
|
rexbii |
|
13 |
|
rabelpw |
|
14 |
5 13
|
ax-mp |
|
15 |
|
eleq1 |
|
16 |
14 15
|
mpbiri |
|
17 |
16
|
pm4.71i |
|
18 |
17
|
bianass |
|
19 |
18
|
rexbii |
|
20 |
12 19
|
orbi12i |
|
21 |
|
andir |
|
22 |
4 20 21
|
3bitr4i |
|
23 |
22
|
rexbii |
|
24 |
|
r19.41v |
|
25 |
23 24
|
bitri |
|
26 |
25
|
opabbii |
|
27 |
1
|
satfvsuclem1 |
|
28 |
26 27
|
eqeltrid |
|