Subset

English

Etymology

From Template:Prefix.

Pronunciation

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Noun

1. Template:Lb A set A such that every element of A is also an element of S.

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   • 1963, David B. MacNeil, Modern Mathematics for the Practical Man, Template:W, Republished as 2013, David B. MacNeil, Fundamentals of Modern Mathematics: A Practical Review, Template:W, page 3,

     In the foregoing example, the set D of the first four letters of the alphabet, was a subset of the set A of all the letters of the alphabet, because A includes all the members of D.

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2. A group of things or people, all of which are in a specified larger group.

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Usage notes

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  • The subset relation is denoted ⊆ (⊂ for proper subset), and one writes A ⊆ B for "A is a subset of B".
  • It is permissible for A to contain no elements: the empty set is a subset of every set (including itself).

Synonyms

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Antonyms

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Translations

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  Mandarin: Template:T+

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• Finnish: Template:T+
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• Kurdish:

  Northern Kurdish: Template:T

• Polish: Template:T
• Portuguese: Template:T+, Template:T+
• Romanian: Template:T, Template:T+
• Russian: Template:T+
• Welsh: Template:T, Template:T

Verb

1. Template:Lb To take a subset of.
2. Template:Lb To extract only the portions of (a font) that are needed to display a particular document.