Crisp-Set Qualitative Comparative Analysis (csQCA), Contradictions and Consistency Benchmarks for Model Specification

Three-Valued Modal Logic for Qualitative Comparative Policy Analysis with Crisp-Set QCA

Contradictory and missing outcomes are problems common to many qualitative comparative studies,based on the methodology of crisp-set QCA. They also occur in public policy analyses, e.g. if importantbackground variables are omitted or outcomes of new policies are technically censored. As a newsolution to these problems, this article proposes the use of three-valued modal logic, o...

Fuzzy Set Qualitative Comparative Analysis

Sets can be subsets of larger sets. For example, the set of grad students is a subset of the set of university students. The set of cats is a subset of the set of mammals. Sometimes, these subsets are definitional (as in the previous examples), but sometimes they can be causal. For example, the set of students who studied constitute a subset of students who did well on the test. The set of zip ...

Using fuzzy-set qualitative comparative analysis

Fuzzy-set qualitative comparative analysis (Fs/QCA) is a social science me thod developed in order to combine case-oriented and variable-oriented quantitative analysis. It started with the creation of qualitative comparative analysis [1], with Fs/QCA later developed by applying fuzzy-set theory [2]. Although the fuzzy-set approach is still considered to be in the process of being developed [3-5...

Neutrosophic Crisp Set Theory

Paraconsistent Probabilities: Consistency, Contradictions and Bayes' Theorem

This paper represents the first steps towards constructing a paraconsistent theory of probability based on the Logics of Formal Inconsistency (LFIs). We show that LFIs encode very naturally an extension of the notion of probability able to express sophisticated probabilistic reasoning under contradictions employing appropriate notions of conditional probability and paraconsistent updating, via ...