Step |
Hyp |
Ref |
Expression |
1 |
|
adj1o |
|
2 |
|
f1of1 |
|
3 |
1 2
|
ax-mp |
|
4 |
|
bdopssadj |
|
5 |
|
f1ores |
|
6 |
3 4 5
|
mp2an |
|
7 |
|
vex |
|
8 |
7
|
elima |
|
9 |
|
f1ofn |
|
10 |
1 9
|
ax-mp |
|
11 |
|
bdopadj |
|
12 |
|
fnbrfvb |
|
13 |
10 11 12
|
sylancr |
|
14 |
13
|
rexbiia |
|
15 |
|
adjbdlnb |
|
16 |
|
eleq1 |
|
17 |
15 16
|
syl5bb |
|
18 |
17
|
biimpcd |
|
19 |
18
|
rexlimiv |
|
20 |
|
adjbdln |
|
21 |
|
bdopadj |
|
22 |
|
adjadj |
|
23 |
21 22
|
syl |
|
24 |
|
fveqeq2 |
|
25 |
24
|
rspcev |
|
26 |
20 23 25
|
syl2anc |
|
27 |
19 26
|
impbii |
|
28 |
8 14 27
|
3bitr2i |
|
29 |
28
|
eqriv |
|
30 |
|
f1oeq3 |
|
31 |
29 30
|
ax-mp |
|
32 |
6 31
|
mpbi |
|