Metamath Proof Explorer


Theorem hvaddlidi

Description: Addition with the zero vector. (Contributed by NM, 18-Aug-1999) (New usage is discouraged.)

Ref Expression
Hypothesis hvaddlid.1 A
Assertion hvaddlidi 0 + A = A

Proof

Step Hyp Ref Expression
1 hvaddlid.1 A
2 hvaddlid A 0 + A = A
3 1 2 ax-mp 0 + A = A