Step |
Hyp |
Ref |
Expression |
1 |
|
smfmbfcex.s |
|
2 |
|
smfmbfcex.x |
|
3 |
|
smfmbfcex.n |
|
4 |
|
smfmbfcex.f |
|
5 |
|
nfv |
|
6 |
|
dmvolsal |
|
7 |
1 6
|
eqeltri |
|
8 |
7
|
a1i |
|
9 |
1
|
unieqi |
|
10 |
|
unidmvol |
|
11 |
9 10
|
eqtri |
|
12 |
2 11
|
sseqtrrdi |
|
13 |
|
0red |
|
14 |
5 8 12 13 4
|
smfconst |
|
15 |
|
0red |
|
16 |
4 15
|
dmmptd |
|
17 |
1
|
eqcomi |
|
18 |
17
|
a1i |
|
19 |
16 18
|
eleq12d |
|
20 |
3 19
|
mtbird |
|
21 |
|
mbfdm |
|
22 |
20 21
|
nsyl |
|
23 |
14 22
|
jca |
|