Includes bibliographical references and index.

Introduction. Logic ; Valid arguments ; Sound arguments ; The plan of this book -- Part one. Syllogistic, Informal, and inductive logic. Syllogistic logic ; Meaning and definitions ; Fallacies and argumentation ; Inductive reasoning -- Part two. Classical symbolic logic. Basic propositional logic ; Propositional proofs ; Basic quantificational logic ; Relations and identity -- Part three. Advanced symbolic systems. Basic modal logic ; Further modal systems ; Deontic and imperative logic ; Belief logic ' A formalized ethical theory -- Part four. Further vistas. Metalogic ; History of logic ; Deviant logics ; Philosophy of logic.

Harry Gensler engages the reader with the basics of logic through practical examples and important arguments in the history of philosophy and from contemporary philosophy.