Nash equilibrium
Table:
Nash equilibrium
Solution concept in game theory
Relationship
Subset of	Rationalizability, Epsilon-equilibrium, Correlated equilibrium
Superset of	Evolutionarily stable strategy, Subgame perfect equilibrium, Perfect Bayesian equilibrium, Trembling hand perfect equilibrium, Stable Nash equilibrium, Strong Nash equilibrium, Cournot equilibrium
Significance
Proposed by	John Forbes Nash Jr.
Used for	All non-cooperative games

Looking at the table, state whether the hypothesis is entailed, neutral, or refuted. Give your final answer in JSON format {"answer": "YOUR ANSWER"}.

Statement: The Nash equilibrium has been around for over 20 years.

answer: neutral