not+well
131Non-well-founded set theory — Non well founded set theories are variants of axiomatic set theory which allow sets to contain themselves and otherwise violate the rule of well foundedness. In non well founded set theories, the foundation axiom of ZFC is replaced by axioms… …
132Education Not for Sale — (ENS) is a left wing student campaign in the United Kingdom. The name originally derives from the European Education Not for Sale network and was first used by socialist and other radical activists at the National Union of Students of the United… …
