Step |
Hyp |
Ref |
Expression |
1 |
|
nmf.x |
|
2 |
|
nmf.n |
|
3 |
|
nmmtri.m |
|
4 |
|
eqid |
|
5 |
2 1 3 4
|
ngpds |
|
6 |
|
ngpms |
|
7 |
6
|
3ad2ant1 |
|
8 |
|
simp2 |
|
9 |
|
simp3 |
|
10 |
|
ngpgrp |
|
11 |
|
eqid |
|
12 |
1 11
|
grpidcl |
|
13 |
10 12
|
syl |
|
14 |
13
|
3ad2ant1 |
|
15 |
1 4
|
mstri3 |
|
16 |
7 8 9 14 15
|
syl13anc |
|
17 |
2 1 11 4
|
nmval |
|
18 |
17
|
3ad2ant2 |
|
19 |
2 1 11 4
|
nmval |
|
20 |
19
|
3ad2ant3 |
|
21 |
18 20
|
oveq12d |
|
22 |
16 21
|
breqtrrd |
|
23 |
5 22
|
eqbrtrrd |
|