Metamath Proof Explorer


Theorem n0sex

Description: The set of all non-negative surreal integers exists. (Contributed by Scott Fenton, 17-Mar-2025)

Ref Expression
Assertion n0sex ⊢ ℕ 0s ∈ V

Proof

Step Hyp Ref Expression
1 omex ⊢ ω ∈ V
2 n0sexg ⊢ ω ∈ V → ℕ 0s ∈ V
3 1 2 ax-mp ⊢ ℕ 0s ∈ V