Catalog description: Introduction to deductive logic. Topics include: basic concepts of deductive logic; techniques of formal proof in propositional and predicate logic. 3 units. Prerequisites: No ...

We show a model construction for a system of higher-order illative combinatory logic Jѡ, thus establishing its strong consistency. We also use a variant of this construction to provide a complete ...

In recent years combinations of tense and modality have moved intothe focus of logical research. From a philosophical point of view, logical systems combining tense and modality are of interest ...

Description: Covering material in both propositional and predicate logic, the course will emphasize (truth-table, truth-tree, and natural deduction) methods for assessing the validity of arguments.

Modal logic, an extension of classical logic, investigates the modes of truth such as necessity and possibility. Its development has been closely intertwined with advances in proof theory, a field ...