Step |
Hyp |
Ref |
Expression |
1 |
|
brco3f1o.c |
|
2 |
|
brco3f1o.d |
|
3 |
|
brco3f1o.e |
|
4 |
|
brco3f1o.r |
|
5 |
|
f1ocnv |
|
6 |
|
f1ofn |
|
7 |
3 5 6
|
3syl |
|
8 |
|
f1ocnv |
|
9 |
|
f1of |
|
10 |
2 8 9
|
3syl |
|
11 |
|
f1ocnv |
|
12 |
|
f1of |
|
13 |
1 11 12
|
3syl |
|
14 |
|
relco |
|
15 |
14
|
relbrcnv |
|
16 |
|
cnvco |
|
17 |
|
cnvco |
|
18 |
17
|
coeq2i |
|
19 |
16 18
|
eqtri |
|
20 |
19
|
breqi |
|
21 |
|
coass |
|
22 |
21
|
breqi |
|
23 |
15 20 22
|
3bitr3ri |
|
24 |
4 23
|
sylib |
|
25 |
7 10 13 24
|
brcofffn |
|
26 |
|
f1orel |
|
27 |
|
relbrcnvg |
|
28 |
1 26 27
|
3syl |
|
29 |
|
f1orel |
|
30 |
|
relbrcnvg |
|
31 |
2 29 30
|
3syl |
|
32 |
|
f1orel |
|
33 |
|
relbrcnvg |
|
34 |
3 32 33
|
3syl |
|
35 |
28 31 34
|
3anbi123d |
|
36 |
25 35
|
mpbid |
|