Axiom ax-hvmul0 29381

Description: Scalar multiplication by zero. We can derive the existence of the negative of a vector from this axiom (see hvsubid 29397 and hvsubval 29387). (Contributed by NM, 29-May-1999.) (New usage is discouraged.)

Assertion

Ref	Expression
ax-hvmul0	⊢ (𝐴 ∈ ℋ → (0 ·ℎ 𝐴) = 0ℎ)

Detailed syntax breakdown of Axiom ax-hvmul0

Step	Hyp	Ref	Expression
1		cA	. . 3 class 𝐴
2		chba 29290	. . 3 class ℋ
3	1, 2	wcel 2107	. 2 wff 𝐴 ∈ ℋ
4		cc0 10880	. . . 4 class 0
5		csm 29292	. . . 4 class ·ℎ
6	4, 1, 5	co 7284	. . 3 class (0 ·ℎ 𝐴)
7		c0v 29295	. . 3 class 0ℎ
8	6, 7	wceq 1539	. 2 wff (0 ·ℎ 𝐴) = 0ℎ
9	3, 8	wi 4	1 wff (𝐴 ∈ ℋ → (0 ·ℎ 𝐴) = 0ℎ)

This axiom is referenced by:  hvmul0  29395  hvmul0or  29396  hvsubid  29397  hi01  29467  h1de2ctlem  29926  spansneleq  29941  h1datomi  29952