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natural projection

Let continua X$ and Y$ be given. A mapping f: X \times Y
\to X$ is called the natural projection provided that it is defined by f((x,y)) = x$.
next up previous contents index
Next: neat Up: Definitions Previous: mutually aposyndetic
Janusz J. Charatonik, Pawel Krupski and Pavel Pyrih
2001-11-30