Theorem pine0

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

	Ref	Expression
Assertion	pine0	$$⊢\mathrm{\pi }\ne 0$$

Proof

Step	Hyp	Ref	Expression
1		pire	$$⊢\mathrm{\pi }\in ℝ$$
2		pipos	$$⊢0<\mathrm{\pi }$$
3	1 2	gt0ne0ii	$$⊢\mathrm{\pi }\ne 0$$