The present paper proposes a novel way to unify Rough Set Theory and Formal Concept Analysis. Our method stems from results and insights developed in the algebraic theory of modal logic, and is based on the idea that Pawlak's original approximation spaces can be seen as special instances of enriched formal contexts, i.e. relational structures based on formal; contexts from Formal Concept Analysis.
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- Formal concept analysis
- Modal algebras
- Modal logic
- Rough Concept Analysis
- Rough set theory