Theorem 3pos

Description: The number 3 is positive. (Contributed by NM, 27-May-1999) (Proof shortened by Umit Teoman Dogan, 10-Jun-2026)

	Ref	Expression
Assertion	3pos	⊢ 0 < 3

Proof

Step	Hyp	Ref	Expression
1		3nn	⊢ 3 ∈ ℕ
2	1	nngt0i	⊢ 0 < 3