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Subset vs X - What's the difference?

subset | x |

As a noun subset

is (set theory) with respect to another set, a set such that each of its elements is also an element of the other set.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

subset

English

Noun

(en noun)
  • (set theory) With respect to another set, a set such that each of its elements is also an element of the other set.
    • The set of integers is a subset of the set of reals.
    The set {a, b} is a both a subset and a proper subset of {a, b, c} while the set {a, b, c} is a subset of {a, b, c} but not a proper subset of {a, b, c}.
  • A group of things or people, all of which are in a specified larger group.
    • We asked a subset of the population of the town for their opinion.

    Synonyms

    * (set theory)

    Antonyms

    * superset

    Derived terms

    * proper subset

    x

    Translingual

    {{Basic Latin character info, previous=W, next=Y, image= (wikipedia X)

    Etymology 1

    Letter

  • The twenty-fourth letter of the .
    • See also
    (Latn-script)

    Cardinal number

    (mul-number)
  • The number 10.

    • Symbol

    (mul-symbol)
  • A symbol of the IPA, representing a voiceless uvular fricative.
  • strike

    • Etymology 2

    Possibly from skull and crossbones

    Symbol

    (mul-symbol)
    • Derived terms
    * XXX

    See also

    {{Letter , page=X , NATO=X-ray , Morse=–··– , Character=X , Braille=? }} Image:Latin X.png, Capital and lowercase versions of X , in normal and italic type Image:Fraktur letter X.png, Uppercase and lowercase X in Fraktur Roman numerals ----