Step |
Hyp |
Ref |
Expression |
1 |
|
0re |
|
2 |
|
rennncan2 |
|
3 |
1 1 1 2
|
mp3an |
|
4 |
|
re1m1e0m0 |
|
5 |
3 4
|
eqtr4i |
|
6 |
|
rernegcl |
|
7 |
1 6
|
ax-mp |
|
8 |
|
sn-00idlem1 |
|
9 |
7 8
|
ax-mp |
|
10 |
|
1re |
|
11 |
|
sn-00idlem1 |
|
12 |
10 11
|
ax-mp |
|
13 |
5 9 12
|
3eqtr4i |
|
14 |
7
|
a1i |
|
15 |
|
1red |
|
16 |
|
id |
|
17 |
14 15 14 16
|
remulcan2d |
|
18 |
13 17
|
mpbii |
|