{
  "challenge_module": "ComparatorChallenges.EinsteinFour",
  "solution_module": "OAI.Geometry.EinsteinFour.Classification",
  "theorem_names": [
    "OAI.PositiveEinsteinFour.orientedClassification",
    "OAI.PositiveEinsteinFour.classificationOn",
    "OAI.PositiveEinsteinFour.classification"
  ],
  "definition_names": [],
  "permitted_axioms": [
    "propext",
    "Quot.sound",
    "Classical.choice"
  ],
  "enable_nanoda": false
}