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Metamath Proof Explorer

Theorem halfre

Description: One-half is real. (Contributed by David A. Wheeler, 8-Dec-2018)

		Ref	Expression
	Assertion	halfre	⊢ ( 1 / 2 ) ∈ ℝ

Step	Hyp	Ref	Expression
1		2re	⊢ 2 ∈ ℝ
2		2ne0	⊢ 2 ≠ 0
3	1 2	rereccli	⊢ ( 1 / 2 ) ∈ ℝ