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2023/24 Undergraduate Module Catalogue

MATH3104 Proof and Computation

15 creditsClass Size: 68

Module manager: Prof Michael Rathjen
Email: M.Rathjen@leeds.ac.uk

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2023/24

Pre-requisite qualifications

MATH2040 or MATH2041 or MATH2042, or equivalent

Pre-requisites

MATH2040Mathematical Logic 1

This module is mutually exclusive with

MATH5104MAdvanced Proof and Computation

This module is not approved as a discovery module

Module summary

Metamathematics and proof theory try to answer fundamental questions about axiomatic theories (e.g. number theory) like: - Are they consistent (free from contradiction)? - How do we know? - Could they be developed by computers without human assistance? - Are mathematicians necessary? The main goal is to prove Gödel's Incompleteness Theorems (1931) which show that if a formal theory has strong enough axioms then there are statements which it can neither prove nor refute. This module will also provide background to the impact of Gödel's Theorem on the modern world, and the way it sets an agenda for further research.

Objectives

On completion of this module, students should be able to:
-carry out elementary proofs in systems of arithmetic;
- prove representability and recursiveness of basic number-theoretic functions and relations;
- understand and reproduce proofs of Gödel's Incompleteness Theorem and related results;
- describe connections between incompleteness, consistency, computability and undecidability;
- show a capacity for independent thinking, including further development of the theory via a range of more challenging homework problems.

Learning outcomes
- An understanding of basic systems of arithmetic;
- an understanding of the notions of compubtability, recursive enumerability and representability;
- A knowledge of Gödel's Incompleteness Theorem, its proof and implications.

Skills outcomes
Diagonalisation
Understanding how a basic computing device works and can be programmed


Syllabus

- Revision of first-order logic including Gödel's Completeness Theorem;
- the axiomatic method and basic systems of arithmetic;
- register machines;
- recursive functions and representability;
- the arithmetization of syntax and Gödel's First Incompleteness Theorem;
- consistency, undecidability and computability.

Teaching methods

Delivery typeNumberLength hoursStudent hours
Lecture331.0033.00
Private study hours117.00
Total Contact hours33.00
Total hours (100hr per 10 credits)150.00

Private study

Homework questions in which the student is asked to display independent thinking in order to further develop the theory described in class.

Opportunities for Formative Feedback

Example classes and final exam.

Methods of assessment


Exams
Exam typeExam duration% of formal assessment
Open Book exam2 hr 30 mins100.00
Total percentage (Assessment Exams)100.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

There is no reading list for this module

Last updated: 28/04/2023 14:54:41

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