New answers tagged


The usual word is fermé in topology (« un fermé est le complémentaire d'un ouvert » = “a closed set is the complement of an open set”), and clos for closure under operations (« corps algébriquement clos » = “algebraically closed field”; “clôture algébrique” = “algebraic closure”). While there is a connection between the two concepts — a closed set in ...

Top 50 recent answers are included