## ILAS Seminar-E2Back JP / EN

Numbering Code Year/Term U-LAS70 10002 SE50 2021 ・ Second semester 2 seminar Mainly 1st year students For all majors English Not fixed Computers are a relatively recent invention, but they have drastically changed how modern humans live and think. However, few people really know what it means to "compute" something, or how we discovered the basic principles of computation. It turns out that the discovery of computation has its roots in the development of formal logic and a determination to find a rigorous foundations for mathematics about a century ago. In this course, we will introduce the students to formal logic and its relationship with computation. We will also introduce some of the main people involved with the various discoveries, and emphasize the historical background and motivations. The aim of the course is for students to not only gain a deeper understanding of computation, but also understand how it was discovered. The students will become familiar with logical reasoning, formal proofs, and the theory of computability. This will help the student develop skills that are important in any field of research, such as critical thinking and the ability to construct rigorous arguments. Students will also become familiar with the historical background and motivations that led to the development of formal logic and computation. Below are some possible topics that we will cover during the course. The topics we cover will depend on the interests and abilities of the students. 1) Propositional logic 2) First-order Predicate logic (Frege) 3) First-order Arithmetic (Peano) 4) Set theory (Cantor) 5) Paradoxes, foundations & Hilbert's program (Russell, Hilbert) 6) Intuitionism & constructive mathematics (Brouwer) 7) Incompleteness theorem (Godel) 8) Lambda calculus, Church numerals, and arithmetic (Church) 9) Turing machines and Turing completeness (Turing) 10) Further topics (Curry-Howard correspondence) Students are expected to actively participate in discussion, read material, and solve exercises in class. Evaluation will approximately be based on the following: class participation (30%), written and oral assignments (30%), final (40%) None Students should review the course material after each class, and will have homework assignments. No textbook. Relevant materials will be distributed in class. The following books might be useful as references and background reading, but are not required. We will also look at some original papers, which will be handed out in class. 1) "Logic in Computer Science" by Michael Huth and Mark Ryan Publisher: Cambridge University Press (2004), ISBN: 978-0521543101 2) "A profile of mathematical logic" by Howard Delong. Publisher: Dover Publications (2004), ISBN: 978-0486434759 3) "A Beginner's Guide to Mathematical Logic" by Raymond Smullyan. Publisher: Dover Publications (2014), ISBN: 978-0486492377 4) "Introduction to Mathematical Logic" by Elliott Mendelson. Publisher: Chapman and Hall (2015), ISBN: 978-1482237726 5) "Godel, Escher, Bach" by Douglas Hofstadter. Publisher: Basic Books (1999), ISBN: 978-0465026562