This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Metamath Proof Explorer
Description: Zero vector in the ring module. (Contributed by Stefan O'Rear, 6-Dec-2014) (Revised by Mario Carneiro, 2-Oct-2015)
|
|
Ref |
Expression |
|
Assertion |
rlm0 |
|
Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
rlmval |
|
| 2 |
1
|
a1i |
|
| 3 |
|
eqidd |
|
| 4 |
|
ssidd |
|
| 5 |
2 3 4
|
sralmod0 |
|
| 6 |
5
|
mptru |
|