Step |
Hyp |
Ref |
Expression |
1 |
|
rrvadd.1 |
|
2 |
|
rrvadd.2 |
|
3 |
|
rrvadd.3 |
|
4 |
|
nfmpt1 |
|
5 |
1 2
|
rrvvf |
|
6 |
1 3
|
rrvvf |
|
7 |
1
|
unveldomd |
|
8 |
|
eqidd |
|
9 |
|
eqidd |
|
10 |
4 5 6 7 8 9
|
ofoprabco |
|
11 |
|
domprobsiga |
|
12 |
1 11
|
syl |
|
13 |
|
brsigarn |
|
14 |
|
elrnsiga |
|
15 |
13 14
|
mp1i |
|
16 |
|
sxsiga |
|
17 |
15 15 16
|
syl2anc |
|
18 |
1
|
rrvmbfm |
|
19 |
2 18
|
mpbid |
|
20 |
1
|
rrvmbfm |
|
21 |
3 20
|
mpbid |
|
22 |
|
fveq2 |
|
23 |
|
fveq2 |
|
24 |
22 23
|
opeq12d |
|
25 |
24
|
cbvmptv |
|
26 |
12 15 15 19 21 25
|
mbfmco2 |
|
27 |
|
eqid |
|
28 |
27
|
raddcn |
|
29 |
28
|
a1i |
|
30 |
27
|
sxbrsiga |
|
31 |
30
|
a1i |
|
32 |
|
df-brsiga |
|
33 |
32
|
a1i |
|
34 |
29 31 33
|
cnmbfm |
|
35 |
12 17 15 26 34
|
mbfmco |
|
36 |
10 35
|
eqeltrd |
|
37 |
1
|
rrvmbfm |
|
38 |
36 37
|
mpbird |
|