Description: A surreal integer is a surreal. Deduction form. (Contributed by Scott Fenton, 17-May-2025)
Ref | Expression | ||
---|---|---|---|
Hypothesis | znod.1 | ⊢ ( 𝜑 → 𝐴 ∈ ℤs ) | |
Assertion | znod | ⊢ ( 𝜑 → 𝐴 ∈ No ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | znod.1 | ⊢ ( 𝜑 → 𝐴 ∈ ℤs ) | |
2 | zno | ⊢ ( 𝐴 ∈ ℤs → 𝐴 ∈ No ) | |
3 | 1 2 | syl | ⊢ ( 𝜑 → 𝐴 ∈ No ) |