Theorem pine0

Description: _pi is nonzero. (Contributed by SN, 25-Apr-2025)

	Ref	Expression
Assertion	pine0	⊢ π ≠ 0

Proof

Step	Hyp	Ref	Expression
1		pire	⊢ π ∈ ℝ
2		pipos	⊢ 0 < π
3	1 2	gt0ne0ii	⊢ π ≠ 0