Step |
Hyp |
Ref |
Expression |
1 |
|
ressplusf.1 |
|
2 |
|
ressplusf.2 |
|
3 |
|
ressplusf.3 |
|
4 |
|
ressplusf.4 |
|
5 |
|
ressplusf.5 |
|
6 |
|
resmpo |
|
7 |
5 5 6
|
mp2an |
|
8 |
|
fnov |
|
9 |
4 8
|
mpbi |
|
10 |
9
|
reseq1i |
|
11 |
2 1
|
ressbas2 |
|
12 |
5 11
|
ax-mp |
|
13 |
1
|
fvexi |
|
14 |
13 5
|
ssexi |
|
15 |
|
eqid |
|
16 |
2 15
|
ressplusg |
|
17 |
14 16
|
ax-mp |
|
18 |
3 17
|
eqtri |
|
19 |
|
eqid |
|
20 |
12 18 19
|
plusffval |
|
21 |
7 10 20
|
3eqtr4ri |
|