Step |
Hyp |
Ref |
Expression |
1 |
|
oyoncl.o |
|
2 |
|
oyoncl.y |
|
3 |
|
oyoncl.c |
|
4 |
|
oyoncl.s |
|
5 |
|
oyoncl.u |
|
6 |
|
oyoncl.h |
|
7 |
|
oyoncl.q |
|
8 |
1
|
oppccat |
|
9 |
3 8
|
syl |
|
10 |
|
eqid |
|
11 |
|
eqid |
|
12 |
|
eqid |
|
13 |
1 12
|
oppchomf |
|
14 |
13
|
rneqi |
|
15 |
|
relxp |
|
16 |
|
eqid |
|
17 |
12 16
|
homffn |
|
18 |
17
|
fndmi |
|
19 |
18
|
releqi |
|
20 |
15 19
|
mpbir |
|
21 |
|
rntpos |
|
22 |
20 21
|
ax-mp |
|
23 |
14 22
|
eqtr3i |
|
24 |
23 6
|
eqsstrid |
|
25 |
2 9 10 4 11 5 24
|
yoncl |
|
26 |
1
|
2oppchomf |
|
27 |
26
|
a1i |
|
28 |
1
|
2oppccomf |
|
29 |
28
|
a1i |
|
30 |
|
eqidd |
|
31 |
|
eqidd |
|
32 |
10
|
oppccat |
|
33 |
9 32
|
syl |
|
34 |
4
|
setccat |
|
35 |
5 34
|
syl |
|
36 |
27 29 30 31 3 33 35 35
|
fucpropd |
|
37 |
7 36
|
syl5eq |
|
38 |
37
|
oveq2d |
|
39 |
25 38
|
eleqtrrd |
|