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Re:Functions are Vectors by tlb on Saturday July 29, 2023 @08:24PM (#36926344)
"In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y." [0]

[0] https://en.wikipedia.org/wiki/Function_(mathematics)

Re:Functions are Vectors by eternityforest on Sunday July 30, 2023 @01:19AM (#36928082)
Which doesn't mean each element of Y has exactly one matching counterpart in X, two elements in X can share one in Y
Re:Functions are Vectors by ElFitz on Sunday July 30, 2023 @02:54AM (#36928572)
e.g. hash collisions.