Metamath Proof Explorer


Theorem madeno

Description: An element of a made set is a surreal. (Contributed by Scott Fenton, 27-Feb-2026)

Ref Expression
Assertion madeno ⊢ A ∈ M ⁡ B → A ∈ No

Proof

Step Hyp Ref Expression
1 madessno ⊢ M ⁡ B ⊆ No
2 1 sseli ⊢ A ∈ M ⁡ B → A ∈ No