Introduction to Modal Logic
by Gary Hardegree
Publisher: UMass Amherst 2009
Number of pages: 275
Contents: Basic Concepts; Classical SL; Absolute Modal Logic - System L; Relative Modal Logic - System K; Systems Between K and L; Modal Predicate Logic; General First-Order Logic; First-Order Modal Logic; First-Order Modal Logic with Actuality; Two-Dimensional Modal Logic; Second-Order Modal Logic; Syntax of Modal Logic; Rules of Derivation; Categorial Grammar; Multi-Modal Systems.
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(multiple PDF files)
by Gary Hardegree - UMass Amherst
Contents: Summary; Translations in Function Logic; Derivations in Function Logic; Translations in Identity Logic; Extra Material on Identity Logic; Derivations in Identity Logic; Translations in Description Logic; Derivations in Description Logic.
by Greg Restall - consequently.org
A textbook in philosophical logic, accessible to someone who's done only an intro course in logic, covering some model theory and proof theory of propositional logic, and predicate logic. User-friendly and philosophically motivated presentation.
by Matthew Van Cleave - Lansing Community College
This is an introductory textbook in logic and critical thinking. The goal is to provide the reader with skills that will enable them to identify and evaluate arguments. It is intended for an introductory course that covers formal and informal logic.
by William Minto - ManyBooks
In this little treatise two things are attempted that at first might appear incompatible. One of them is to put the study of logical formulae on a historical basis. The other aim is to increase the power of Logic as a practical discipline.