Internet-Publication. — 2011. — 388 (195) p. English. (Interactive menu).
[Bertram Fronhöfer. Faculty of Computer Science.
Technische Universität Dresden. August 4, 2011].
Overview. Modern Pioneers of 3-Valued Logic.Prelude: Classical (Two-valued) Propositional Logic.
History and Intuition of Many-Valued Logic.
Kleene’s Strong 3-Valued Logic.
Łukasiewicz’s 3-Valued Logic.
Bochvar’s Internal 3-Valued Logic.
Bochvar’s External 3-Valued Logic.
Definability of Connectives.Interdefinability of Connectives.
Defining Normal Connectives with Łukasiewicz 3-valued Logic.
Defining Non-Normal Connectives.
Łukasiewicz’s Bold Connectives.
Non Truth Centered Semantical Concepts.Quasi-Tautologies.
Quasi-Entailment.
Example: Logic of Paradox.
Degree Entailment.
Derivation Systems for 3-Valued Propositional Logic.Prelude: A Derivation System for Classical Propositional Logic.
An Axiomatic System for Łukasiewicz’s 3-Valued Logic.
Completeness of 3-valued Łukasiewicz’s Logic.
Application: Independence of Axioms.
A Pavelka-Style Derivation System for Łukasiewicz Logic.
Łukasiewicz Modalities.Gonseth's objection.
Classical semantical contradiction.
Concerning the ‘Original’ 2nd Axiom.
1st axiom.
2nd axiom.
3rd axiom.
Bibliography.