SURJECTION

Etymology

Noun

surjection (plural surjections)

(set theory) A function that is a many-to-one mapping; (formally) Any function \(f: X\rightarrow Y\) for which for every \(y \in Y\), there is at least one \(x \in X\) such that \(f(x) = y\).

Synonyms

• (function that is a many-to-one mapping): surjective function

Source: Wiktionary



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Word of the Day

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CHATTEL

(noun) personal as opposed to real property; any tangible movable property (furniture or domestic animals or a car etc)


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Coffee Trivia

According to Guinness World Records, the largest coffee shop is the Al Masaa Café, which has 1,050 seats. The coffee shop was inaugurated in Riyadh, Saudi Arabia, on 13 August 2014.

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