Description: Addition with the zero vector. (Contributed by NM, 16-Aug-1999) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | ax-hvaddid | |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | cA | |
|
1 | chba | |
|
2 | 0 1 | wcel | |
3 | cva | |
|
4 | c0v | |
|
5 | 0 4 3 | co | |
6 | 5 0 | wceq | |
7 | 2 6 | wi | |