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Metamath Proof Explorer


Axiom ax-hfvadd

Description: Vector addition is an operation on ~H . (Contributed by NM, 16-Aug-1999) (New usage is discouraged.)

Ref Expression
Assertion ax-hfvadd + : ( ℋ × ℋ ) ⟶ ℋ

Detailed syntax breakdown

Step Hyp Ref Expression
0 cva +
1 chba
2 1 1 cxp ( ℋ × ℋ )
3 2 1 0 wf + : ( ℋ × ℋ ) ⟶ ℋ