Step |
Hyp |
Ref |
Expression |
1 |
|
metakunt34.1 |
|
2 |
|
metakunt34.2 |
|
3 |
|
metakunt34.3 |
|
4 |
|
metakunt34.4 |
|
5 |
|
eqid |
|
6 |
|
eqid |
|
7 |
1 2 3 5 6
|
metakunt14 |
|
8 |
7
|
simpld |
|
9 |
|
f1ocnv |
|
10 |
8 9
|
syl |
|
11 |
7
|
simprd |
|
12 |
|
eqidd |
|
13 |
11 12 12
|
f1oeq123d |
|
14 |
10 13
|
mpbid |
|
15 |
|
eqid |
|
16 |
1 2 3 15
|
metakunt25 |
|
17 |
|
f1oco |
|
18 |
16 8 17
|
syl2anc |
|
19 |
|
f1oco |
|
20 |
14 18 19
|
syl2anc |
|
21 |
1 2 3 5 15 6 4
|
metakunt33 |
|
22 |
21 12 12
|
f1oeq123d |
|
23 |
20 22
|
mpbid |
|