Title: John von Neumann.
Question: What is a proper class?

Title: Freemasonry.
Question: What concept is based on adherence to Masonic Landmarks, basic membership requirements, and tenets and rituals of the craft?

Title: Sanskrit.
Question: Where is Sanskrit usually found?

Title: Pain.
Question:
What triad are the inventory scales of hysteria, depression and hypochondriasis classified as?