Description: A surreal integer is a surreal. Deduction form. (Contributed by Scott Fenton, 17-May-2025)
Ref | Expression | ||
---|---|---|---|
Hypothesis | znod.1 | |- ( ph -> A e. ZZ_s ) |
|
Assertion | znod | |- ( ph -> A e. No ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | znod.1 | |- ( ph -> A e. ZZ_s ) |
|
2 | zno | |- ( A e. ZZ_s -> A e. No ) |
|
3 | 1 2 | syl | |- ( ph -> A e. No ) |