Theorem 2sno

Description: Surreal two is a surreal number. (Contributed by Scott Fenton, 23-Jul-2025)

	Ref	Expression
Assertion	2sno	Could not format assertion : No typesetting found for |- 2s e. No with typecode |-

Proof

Step	Hyp	Ref	Expression
1		2nns	Could not format 2s e. NN_s : No typesetting found for |- 2s e. NN_s with typecode |-
2		nnsno	Could not format ( 2s e. NN_s -> 2s e. No ) : No typesetting found for |- ( 2s e. NN_s -> 2s e. No ) with typecode |-
3	1 2	ax-mp	Could not format 2s e. No : No typesetting found for |- 2s e. No with typecode |-