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Metamath Proof Explorer

Theorem 2muline0

Description: ( 2 x. _i ) =/= 0 . (Contributed by David A. Wheeler, 8-Dec-2018)

		Ref	Expression
	Assertion	2muline0	$⊢ 2 i \neq 0$

Step	Hyp	Ref	Expression
1		2cn	$⊢ 2 \in ℂ$
2		ax-icn	$⊢ i \in ℂ$
3		2ne0	$⊢ 2 \neq 0$
4		ine0	$⊢ i \neq 0$
5	1 2 3 4	mulne0i	$⊢ 2 i \neq 0$