A logic for fuzzy data analysis
Fuzzy Sets and Systems - Special issue on applications of fuzzy systems theory, Iizuka '88
Gradual inference rules in approximate reasoning
Information Sciences: an International Journal
Rough-set reasoning about uncertain data
Fundamenta Informaticae - Special issue: rough sets
Rough Sets: Mathematical Foundations
Rough Sets: Mathematical Foundations
Possibility and necessity measure specification using modifiers for decision making under fuzziness
Fuzzy Sets and Systems - Special issue: Preference modelling and applications
Rough sets and gradual decision rules
RSFDGrC'03 Proceedings of the 9th international conference on Rough sets, fuzzy sets, data mining, and granular computing
Fuzzy rough sets and multiple-premise gradual decision rules
WILF'03 Proceedings of the 5th international conference on Fuzzy Logic and Applications
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We have proposed a fuzzy rough set approach to induce gradual decision rules from decision tables without using any fuzzy logical connectives. In this paper, we discuss the use of these gradual decision rules within modus ponens and modus tollens inference patterns. We show differences and similarities between modus ponens and modus tollens through representation theorems of modifier functions characterizing the inference patterns. Moreover, we prove that modus ponens and modus tollens are equivalent under suitable monotonicity conditions. Finally, we conclude this paper with a comparison between the linear regression analysis and the proposed approach.