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Category vs V - What's the difference?

category | v |

As a noun category

is a group, often named or numbered, to which items are assigned based on similarity or defined criteria.

As a letter v is

the twenty-second letter of the.

As a symbol v is

the volt in the international system of units.

category

Noun

(categories)
  • A group, often named or numbered, to which items are assigned based on similarity or defined criteria.
  • *
  • The traditional way of describing the similarities and differences between constituents is to say that they belong to categories'' of various types. Thus, words like ''boy'', ''girl'', ''man'', ''woman'', etc. are traditionally said to belong to the category''' of Nouns, whereas words like ''a'', ''the'', ''this'', and ''that'' are traditionally said to belong to the ' category of Determiners.
    This steep and dangerous climb belongs to the most difficult category .
    I wouldn't put this book in the same category as the author's first novel.
  • (mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.
  • One well-known category has sets as objects and functions as arrows.
    Just as a monoid consists of an underlying set with a binary operation "on top of it" which is closed, associative and with an identity, a category consists of an underlying digraph with an arrow composition operation "on top of it" which is transitively closed, associative, and with an identity at each object. In fact, a category's composition operation, when restricted to a single one of its objects, turns that object's set of arrows (which would all be loops) into a monoid.

    Synonyms

    * (group to which items are assigned) class, family, genus, group, kingdom, order, phylum, race, tribe, type * See also

    Derived terms

    * category mistake * category theory * conceptual category * perceptual category * subcategory * supercategory

    v

    Translingual

    {{Basic Latin character info, previous=u, next=w, image=

    Etymology 1

    Minuscule variation of Latin V, from seventh century Old Latin adoption of Old Italic letter .

    Letter

  • The twenty-second letter of the .
  • See also
    (Latn-script) * (select symbols) * (other scripts) Cyrillic * (wikipedia "v")

    Etymology 2

    Lower case form of upper case roman numeral V, from abbreviation of IIII? or IIIIV (representing 5), from tally stick markings resembling \\\\? or ////?, from the practice of designating each fifth notch with a double cut, like the corresponding Western tally mark,

    Alternative forms

    * V,

    Numeral

  • cardinal number five (5).
  • See also

    * Previous: iv (4) * Next: vi (6) *

    Etymology 3

    Symbol

    (head)
  • velocity
  • ).
  • See also

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