Logic in 2013

Introduction to Logic and to the Methodology of Deductive Sciences by Tarski, Alfred

Sophist by Plato

Necessary Beings: An Essay on Ontology, Modality, and the Relations Between Them by Hale, Bob

Ethics of Information by Floridi, Luciano

Reactive Kripke Semantics by Gabbay, Dov M.

Handbook of Deontic Logic and Normative Systems by

Metaphor and the Dynamics of Knowledge by Weingart, Peter, Maasen, Sabine

Symbolic Logic: A Conceptual Approach by McFerran, Douglass

Tractatus Logico-Philosophicus by Wittgenstein, Ludwig

The Categories by Aristotle