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Example

Take the relation

R := {<0, 0>, <0, 1>, <0, 2>, <1, 2>}.

We have

domain(R) = {0, 1}
range(R) = {0, 1, 2}.

We have domain(0) = range(0) = 0.


Author: Wolfgang Schreiner
Last Modification: October 14, 1999

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