A set having no element is called the ___ set.

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Solution

Empty Set or Null Set.
A set having no elements is called an Empty Set or a Null Set and is symbolized by { } or Ø.
Note that { Ø } is not an empty set. This contains the element Ø and has a cardinality of 1.
Also set { 0 } is not an empty set. This contains the element 0 and has a cardinality of 1. This also has a cardinality of 1.

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