Hazard algebras (extended abstract)
A half-century of automata theory
Beyond two
Formal Methods in System Design
IFSA '07 Proceedings of the 12th international Fuzzy Systems Association world congress on Foundations of Fuzzy Logic and Soft Computing
International Journal of Approximate Reasoning
The variety generated by the truth value algebra of type-2 fuzzy sets
Fuzzy Sets and Systems
A functional completeness theorem for De Morgan functions
Discrete Applied Mathematics
Type-2 operations on finite chains
Fuzzy Sets and Systems
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We study de Morgan bisemilattices, which are algebras of the form (S, +, *, -, 1,0), where (S, +, *) is a bisemilattice, 1 and 0 are the unit and zero elements of S, and - is a unary operation, called quasi-complementation, that satisfies the involution law and de Morgan's laws. De Morgan bisemilattices are generalizations of de Morgan algebras, and have applications in multi-valued simulations of digital circuits. We present some basic observations about bisemilattices, and provide a set-theoretic characterization for a subfamily of de Morgan bisemilattices, which we call locally distributive de Morgan abilities.