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Table 4 Basic fuzzy implications

From: The use of fuzzy linear regression for the selection of the most appropriate fuzzy implication in a fly ash-based concrete model

Fuzzy implications

Formula

Lukasiewicz

\({\mathrm{I}}_{\mathrm{LK}}\left(\mathrm{x},\mathrm{y}\right)=\mathrm{min}\left(1, 1-\mathrm{x}+\mathrm{y}\right)\)

Reinchenbach

\({\mathrm{I}}_{\mathrm{RC}}\left(\mathrm{x},\mathrm{y}\right)=1-\mathrm{x}+\mathrm{xy}\)

Kleene-Dienes

\({\mathrm{I}}_{\mathrm{KD}}\left(\mathrm{x},\mathrm{y}\right)=\mathrm{max}\left(1-\mathrm{x},\mathrm{y}\right)\)