Theorem n0no

Description: A non-negative surreal integer is a surreal. (Contributed by Scott Fenton, 15-Apr-2025)

	Ref	Expression
Assertion	n0no	⊢ ( 𝐴 ∈ ℕ0s → 𝐴 ∈ No )

Proof

Step	Hyp	Ref	Expression
1		n0ssno	⊢ ℕ0s ⊆ No
2	1	sseli	⊢ ( 𝐴 ∈ ℕ0s → 𝐴 ∈ No )