Empty set/Definition: Difference between revisions

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Empty set [r]: In set theory, this is a set without elements, usually denoted $\{~\}$ or $\emptyset$ . The empty set is a subset of any set.

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	In [[set theory]], ~~the '''empty set'''~~ is a set without elements, usually denoted <math>\{~\}</math> or <math>\empty</math>. The empty set is a [[subset]] of any set.		In set theory, this is a set without elements, usually denoted <math>\{~\}</math> or <math>\empty</math>. The empty set is a [[subset]] of any set.