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Niech TD = (U, C, D), to tablica decyzyjna, gdzie C={a, b, c, d, e} to zbiór at...
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Niech TD = (U, C, D), to tablica decyzyjna, gdzie C={a, b, c, d, e} to zbiór atrybutów warunkowych, a D={f} to atrybut decyzyjny.
Niech zbiór reduktów to Read(A) = {{b, c, e}, {b, d, e}, {a, b}}.
Wówczas rdzeń zbioru atrybutów A to:
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