partial function

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English[edit]

Noun[edit]

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partial function (plural partial functions)

  1. (mathematics) A function whose domain is a subset of some set

Antonyms[edit]

  • (mathematics: function whose domain is a subset of some set): total function

Translations[edit]

Usage notes[edit]

This is not a formal term, but a metamathematical description which only assumes concrete meaning in context. For example, in computability theory, a partial function is a function whose domain is a subset of {\N}^k for some k, but in other fields the term has other meanings.