See, for example, here: With many audiences it will actually suffice just to assert that the operation is associative and commitative, leaving it to the reader to carry out the simple proofs if he doubts it.

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Now I want to define this algorithm, which uses a fold, in mathematics. A folding function is a function that maps the integers onto the nonnegative integers.

When you're writing mathematics, you're writing for people , and the only thing that matters is getting your point across as clearly as possible. Home Questions Tags Users Unanswered.

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I came to this:. Mathematics doesn't mean writing everything in hard-to-read notation. Sign up using Facebook.

## Folding Function

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## Mathematics > History and Overview

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I came to this: Linked 0. The usual function folding function is given by.

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