In mathematics, a partial function from a set X to a set Y is a function from a subset of X to Y rather than from all of X. That subset is called the domain of definition, or the natural domain, of the function, and when the domain of definition equals the whole of X the function is said to be a total function. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
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Source Wolfram MathWorld: Partial Function
Is Kind Of Object
Sources
1. Partial Function (Wikipedia)
Wolfram MathWorld: Partial Function
Wolfram MathWorldIn Branch: Logic and Foundations, Subject classificationsQuote, In Branch: Logic and Foundations, Subject classifications
Foundations of Mathematics Logic
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