Surjection

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Mathematics A function that is onto.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. A function of "many-to-one" mapping relationship; more formally, f: X → Y is a surjection if and only if, for every y in the codomain Y, there is at least one x in the domain X with f(x) = y.
    • Word Usage
    "It is easy to check that this function satisfies the relation, which has to be a surjection since the sequence is strictly increasing.."
     
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