Relational System

A relational system is a structure $R=(S,{P_i:i in I},{f_j:j in J})$ consisting of a set , a collection of relations on , and a collection of functions on .

This entry contributed by Viktor Bengtsson

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Bengtsson, Viktor. "Relational System." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/RelationalSystem.html

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