Tuesday, September 20, 2011

Types of data

A fundamental distinction is the distinction between space and time. This leads us to the distinction between extensional definitions and intensional definitions, extensional definitions represent every matching object in space and intensional definitions describe some temporal process for generating objects.

The field of mathematics is focused on the study of a particular form of temporal process: the pure function. The only noticeable side effect of a pure function is the creation of some new value.

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