Course 371 - Logic

Lecturer: Dr. C. Ó Dúnlaing

Date: 1996-97

Groups: JS and SS Mathematics

Prerequisites: None

Duration: 18 weeks

Lectures per week: 3

Assessment: homework, final exam

Examinations: One 3-hour examination - end of year

Review of some computability theory. Propositional logic, completeness of SC (sentential calculus). First-order logic, interpretations, completeness of Predicate Calculus. Löwenheim-Skolem theorems, Ultraproduct constructions of nonstandard models. Arithmetic theories, primitive recursive functions, and Gödel numbering. Gödel's first incompleteness theorem and the Gödel-Rosser theorem. The Hilbert-Bernays derivability conditions and Gödel's second incompleteness theorem.

Zermelo-Fraenkel set theory (ZF): ordinal numbers, well-founded sets, relative consistency of foundation axiom. Axiom of choice and equivalents. Constructible sets and the relative consistency of the constructability axiom. Deduction of relative consistency of axiom of choice and general continuum hypothesis. Fraenkel-Mostowski models and independence of axiom of choice (without foundation axiom).