Step |
Hyp |
Ref |
Expression |
1 |
|
setsms.x |
|
2 |
|
setsms.d |
|
3 |
|
setsms.k |
|
4 |
|
setsms.m |
|
5 |
1 2 3 4
|
setsxms |
|
6 |
1 2 3
|
setsmsds |
|
7 |
1 2 3
|
setsmsbas |
|
8 |
7
|
sqxpeqd |
|
9 |
6 8
|
reseq12d |
|
10 |
2 9
|
eqtr2d |
|
11 |
7
|
fveq2d |
|
12 |
11
|
eqcomd |
|
13 |
10 12
|
eleq12d |
|
14 |
5 13
|
anbi12d |
|
15 |
|
eqid |
|
16 |
|
eqid |
|
17 |
|
eqid |
|
18 |
15 16 17
|
isms |
|
19 |
|
metxmet |
|
20 |
19
|
pm4.71ri |
|
21 |
14 18 20
|
3bitr4g |
|