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AE4M33RZN, Fuzzy logic: Fuzzy relations

AE4M33RZN, Fuzzy logic: Fuzzy relations

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Crisp <strong>relations</strong><br />

Definition<br />

A binary crisp relation R from X onto Y is a subset of the cartesian<br />

product X × Y:<br />

R ∈ ℙ(X × Y) (12)<br />

Definition<br />

The inverse relation R -1 to R is a relation from Y to X s.t.<br />

R -1 = {(y, x) ∈ Y × X | (x, y) ∈ R} (13)

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