Theorem 4rp

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

	Ref	Expression
Assertion	4rp	|- 4 e. RR+

Proof

Step	Hyp	Ref	Expression
1		4re	|- 4 e. RR
2		4pos	|- 0 < 4
3	1 2	elrpii	|- 4 e. RR+