Step |
Hyp |
Ref |
Expression |
1 |
|
metakunt17.1 |
|
2 |
|
metakunt17.2 |
|
3 |
|
metakunt17.3 |
|
4 |
|
metakunt17.4 |
|
5 |
|
metakunt17.5 |
|
6 |
|
metakunt17.6 |
|
7 |
|
metakunt17.7 |
|
8 |
|
metakunt17.8 |
|
9 |
|
metakunt17.9 |
|
10 |
|
metakunt17.10 |
|
11 |
|
metakunt17.11 |
|
12 |
|
metakunt17.12 |
|
13 |
4 7
|
jca |
|
14 |
1 2 13
|
jca31 |
|
15 |
|
f1oun |
|
16 |
14 15
|
syl |
|
17 |
|
indir |
|
18 |
5 6
|
uneq12d |
|
19 |
|
0un |
|
20 |
19
|
a1i |
|
21 |
18 20
|
eqtrd |
|
22 |
17 21
|
syl5eq |
|
23 |
|
indir |
|
24 |
8 9
|
uneq12d |
|
25 |
24 20
|
eqtrd |
|
26 |
23 25
|
syl5eq |
|
27 |
22 26
|
jca |
|
28 |
16 3 27
|
jca31 |
|
29 |
|
f1oun |
|
30 |
28 29
|
syl |
|
31 |
10 11 12
|
f1oeq123d |
|
32 |
30 31
|
mpbird |
|