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# Logica

Vak
2011-2012

## Goal

The course gives an introduction to the field of mathematical logic by presenting the syntax and semantics of propositional logic and of the richer language of predicate logic. The goal is to describe and investigate the above logics by finitary methods, and to train students in formalizing specifications and in verifying properties of systems.

## Description

Originally logic was used by the Greek Sophists to demonstrate the correctness of their argument in formal debates. The ambiguity of human languages asked for formulation of logic in a symbolic formal language. Only towards the end of the 19th century logic has been formulated in the language of mathematics, and in particular of algebra, making it a useful tool to solve mathematical problems. In the same period the language used to prove theorems from mathematics begun suffering the same problems of natural language, showing many paradoxes. Logic was proposed as the foundational language of mathematics, but several limitation where soon discovered. More recently logic has become the language of computer science, just as calculus is the language of many engineering discipline.

In this course we will study propositional and predicate logic, their proof theory, their limitation, as well as some of their applications in computer science.

## Prerequisites

Inleiding Informatica

## Literature

The following book will be used for the course: Michael R. A. Huth and Mark D. Ryan Logic in Computer Science: Modelling and Reasoning about Systems, Cambridge University Press, 2004 (ISBN 052154310X).

1. Introduction and motivation
1. A brief history of mathematical logic

Part I : Propositional Logic
3. Syntax
4. Proof theory
a. Natural deduction
5. Semantics
6. Normal forms
7. SAT solvers

Part II: Predicate Logic
8. Syntax
9. Proof theory
a. Natural deduction
10. Undecidability
11. Expressiveness
12. A Theorem prover

## Material

Slides will be provided to the students for download.

## Examination

Students will be evaluated on the basis of a written examination, complemented with take-home assignments.

## Practice class

Yes, a weekly practice class is a mandatory component of the course.

Logica