Some algebraic and geometric computations in PSPACE
STOC '88 Proceedings of the twentieth annual ACM symposium on Theory of computing
On Product Logic with Truth-constants
Journal of Logic and Computation
Making fuzzy description logic more general
Fuzzy Sets and Systems
Reasoning with very expressive fuzzy description logics
Journal of Artificial Intelligence Research
On expansions of WNM t-norm based logics with truth-constants
Fuzzy Sets and Systems
Fuzzy Description Logics and t-norm based fuzzy logics
International Journal of Approximate Reasoning
Fuzzy Sets and Systems
On the failure of the finite model property in some Fuzzy Description Logics
Fuzzy Sets and Systems
Positive subsumption in fuzzy EL with general t-norms
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
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If a continuous t-norm on [0,1] maps pairs of rationals into rationals then the corresponding fuzzy propositional calculus can be extended by rational truth constants and ''bookkeeping'' axioms for them. (Lukasiewicz t-norm is the classical example.) Computational complexity of such logics is studied. Consequences for fuzzy description logic are formulated.