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Metamath Proof Explorer

Theorem halfpire

Description: _pi / 2 is real. (Contributed by David Moews, 28-Feb-2017)

		Ref	Expression
	Assertion	halfpire	$⊢ \frac{π}{2} \in ℝ$

Step	Hyp	Ref	Expression
1		pire	$⊢ π \in ℝ$
2	1	rehalfcli	$⊢ \frac{π}{2} \in ℝ$