====== XEP33FLO Fuzzy Logic ====== === News === * The latest news will be here. === Links === *[[https://cw.felk.cvut.cz/brute/|BRUTE]] === Curricula === == Fuzzy sets == * Basic notions. System of cuts of a fuzzy set, theorem on representation of fuzzy sets by cuts, conversion between vertical and horizontal representation. * Fuzzy inclusion. Fuzzy negations. Representation theorem for fuzzy negations. * Fuzzy complements. Fuzzy conjunctions (triangular norms). * Representation theorem for strict conjunctions. Representation theorem for nilpotent conjunctions. Fuzzy disjunctions (triangular conorms)., representation theorems. Fuzzy algebras and their properties. Examples of fuzzy intersections and unions. * Fuzzy disjunctions, representation theorems. Examples of fuzzy intersections and unions. Properties of fuzzy propositional and set operations. * Fuzzy implications and biimplications. == Probability of fuzzy events == * Alternative definition of a sigma-algebra and probability on it. * Comparison to the Kolmogorov axiomatization of probability. * Fuzzifications of sigma-algebras. * Properties of fuzzy sigma-algebras. * Motivation and definitions of probabilities of fuzzy events. * Properties and characterizations of probabilities of fuzzy events. == Fuzzy logic == * Syntax of classical logic: formulas, axioms, deduction, theorems. * Deduction theorem in classical logic. * Semantics of classical logic: evaluation, tautologies. Interplay of syntax and semantics of classical logic: soundness, completeness. * Basic logic: axioms, theorems, semantics. * Deduction in basic logic. * Completeness of basic logic. * Other types of fuzzy logics: Gödel logic, product logic (its alternative axiomatization, formulas which are tautologies of product logic but not of Gödel or basic logic), Łukasiewicz logic and its alternative axiomatization. * Rational Pavelka logic. * Compactness of logics. * Testing tautologies in Gödel and Łukasiewicz logic. == Quantum logic ==