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Metamath Proof Explorer

Theorem halfge0

Description: One-half is not negative. (Contributed by AV, 7-Jun-2020)

		Ref	Expression
	Assertion	halfge0	$⊢ 0 \leq \frac{1}{2}$

Step	Hyp	Ref	Expression
1		0re	$⊢ 0 \in ℝ$
2		halfre	$⊢ \frac{1}{2} \in ℝ$
3		halfgt0	$⊢ 0 < \frac{1}{2}$
4	1 2 3	ltleii	$⊢ 0 \leq \frac{1}{2}$