Metamath Proof Explorer


Theorem madenod

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

Ref Expression
Hypothesis madenod.1 φ A M B
Assertion madenod φ A No

Proof

Step Hyp Ref Expression
1 madenod.1 φ A M B
2 madessno M B No
3 2 1 sselid φ A No