Theorem nnnod

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

	Ref	Expression
Hypothesis	nnnod.1	|- ( ph -> A e. NN_s )
Assertion	nnnod	|- ( ph -> A e. No )

Proof

Step	Hyp	Ref	Expression
1		nnnod.1	|- ( ph -> A e. NN_s )
2		nnno	|- ( A e. NN_s -> A e. No )
3	1 2	syl	|- ( ph -> A e. No )