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Metamath Proof Explorer

Theorem 4rp

Description: 4 is a positive real. (Contributed by SN, 26-Aug-2025)

		Ref	Expression
	Assertion	4rp	$⊢ 4 \in ℝ^{+}$

Step	Hyp	Ref	Expression
1		4re	$⊢ 4 \in ℝ$
2		4pos	$⊢ 0 < 4$
3	1 2	elrpii	$⊢ 4 \in ℝ^{+}$