Theorem 2ne0

Description: The number 2 is nonzero. (Contributed by NM, 9-Nov-2007)

	Ref	Expression
Assertion	2ne0	$$⊢2\ne 0$$

Proof

Step	Hyp	Ref	Expression
1		2re	$$⊢2\in ℝ$$
2		2pos	$$⊢0<2$$
3	1 2	gt0ne0ii	$$⊢2\ne 0$$