Theorem mul02i

Description: Multiplication by 0. Theorem I.6 of Apostol p. 18. (Contributed by NM, 23-Nov-1994)

	Ref	Expression
Hypothesis	mul.1	|- A e. CC
Assertion	mul02i	|- ( 0 x. A ) = 0

Proof

Step	Hyp	Ref	Expression
1		mul.1	|- A e. CC
2		mul02	|- ( A e. CC -> ( 0 x. A ) = 0 )
3	1 2	ax-mp	|- ( 0 x. A ) = 0