Metamath Proof Explorer


Axiom ax-hvaddid

Description: Addition with the zero vector. (Contributed by NM, 16-Aug-1999) (New usage is discouraged.)

Ref Expression
Assertion ax-hvaddid AA+0=A

Detailed syntax breakdown

Step Hyp Ref Expression
0 cA classA
1 chba class
2 0 1 wcel wffA
3 cva class+
4 c0v class0
5 0 4 3 co classA+0
6 5 0 wceq wffA+0=A
7 2 6 wi wffAA+0=A