Step |
Hyp |
Ref |
Expression |
1 |
|
negcncf.1 |
|
2 |
|
neg1cn |
|
3 |
|
ssel2 |
|
4 |
|
ovmpot |
|
5 |
4
|
eqcomd |
|
6 |
2 3 5
|
sylancr |
|
7 |
3
|
mulm1d |
|
8 |
6 7
|
eqtr3d |
|
9 |
8
|
mpteq2dva |
|
10 |
9 1
|
eqtr4di |
|
11 |
|
eqid |
|
12 |
11
|
mpomulcn |
|
13 |
12
|
a1i |
|
14 |
|
ssid |
|
15 |
|
cncfmptc |
|
16 |
2 14 15
|
mp3an13 |
|
17 |
|
cncfmptid |
|
18 |
14 17
|
mpan2 |
|
19 |
11 13 16 18
|
cncfmpt2f |
|
20 |
10 19
|
eqeltrrd |
|