Step |
Hyp |
Ref |
Expression |
1 |
|
brecop2.1 |
|
2 |
|
brecop2.2 |
|
3 |
|
brecop2.3 |
|
4 |
|
brecop2.4 |
|
5 |
|
brecop2.5 |
|
6 |
|
brecop2.6 |
|
7 |
|
brecop2.7 |
|
8 |
3
|
brel |
|
9 |
|
ecelqsdm |
|
10 |
1 9
|
mpan |
|
11 |
10 2
|
eleq2s |
|
12 |
|
opelxp |
|
13 |
11 12
|
sylib |
|
14 |
|
ecelqsdm |
|
15 |
1 14
|
mpan |
|
16 |
15 2
|
eleq2s |
|
17 |
|
opelxp |
|
18 |
16 17
|
sylib |
|
19 |
13 18
|
anim12i |
|
20 |
8 19
|
syl |
|
21 |
4
|
brel |
|
22 |
6 5
|
ndmovrcl |
|
23 |
6 5
|
ndmovrcl |
|
24 |
22 23
|
anim12i |
|
25 |
21 24
|
syl |
|
26 |
|
an42 |
|
27 |
25 26
|
sylib |
|
28 |
20 27 7
|
pm5.21nii |
|