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null set

 

Definitions from WordNet

Noun null set has 1 sense
  1. null set - a set that is empty; a set with no members
    --1 is a kind of
    set

Definitions from the Web

Null Set

Definition:

A null set, also known as an empty set, is a set that contains no elements. It is denoted by the symbol ∅ or { }.

Examples:

1. Noun - Mathematics

In mathematics, a null set is a set having no elements. For example, the set of prime numbers divisible by 10 is a null set.

Sample Sentence:

The null set is represented by the symbol ∅.

2. Adjective - General Usage

In general usage, if something is described as a null set, it means that it is completely empty or lacking any substance or significance.

Sample Sentence:

After the burglary, the safe was found to be a null set, as all the valuable items had been stolen.

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