Jordan University of Science and Technology Faculty of Science and Arts Department of Mathematics and Statistics Second Semester 2006-2007 Course Information Course Title Set Theory and Logic Course Number Math 245 Prerequisites Math 102 Course Website Instructor Dr. Ahmed Al-Rawashdeh Office Location PH 2 level 1 Office Phone 23453 Office Hours Sun., Tues., Thur., 10:15-11:15 and Mond., Wed., 12:45-2:15 E-mail rahmed72@just.edu.jo Teaching Assistant Rasha Qawasmeh Course Description In this course we mainly study the following subjects Logic and Proofs, Set Theory, Relations, Functions, Cardinality of Sets and Cardinal Numbers, The Axiom of Choice and Zorn’s Lemma, and finally the Ordinal Numbers. Text Book Title Transition to Advanced Mathematics Author(s) Publisher D. Smith, M. Eggen and R. St. Andre Books/ Cole Publishing Comp., Monterey, California. Year 2001 Edition Fifth Book Website References 1. Shwu-Yeng T. Lin and You-Feng Lin “Set Theory: An Intuitive Approach”, First Edition, Houghton Mifflin Comp., Boston. 2. Introduction to Set Theory, Monk J. Donald, McGraw-Hill Inc. New York. 3. Set Theory and Logic, Fraenkel Abraham A., Addison-Weseley, Reading Mass. 4. Set Theory and Related Topics, Schaum’s Outline Series, McGraw-Hill Book Company. 5. The Logic Book, M. Bergmann, J. Moore and J. Nelson, McGrawHill Book Company. Assessment Policy Assessment Type First Exam Expected Due Date March 25th 29th , 2007 Second Exam April Final Exam June 4-6, 2007 , 2007 Weight 20% 20% 40% Assignments Biweekly 20% Course Objectives 1. Weights To know the logical statements, connectives and the quantifiers. 15% 2. To be familiar of all types of mathematical proofs: direct, indirect and proof by contradiction. Also to prove statements using principal of mathematical induction (PMI). 3. To study the sets: their notations, and operations. Also to study the indexed family of sets, and to know how to work with arbitrary union and arbitrary intersection of sets.To study relations: equivalence relations and its classes and partial order relations, then to solve variety of problems concerning such relations.To define partitions, and to see how it is connected with equivalence classes.To study functions, its notations, and to define injective, surjective and bijective functions; main properties and results. 20% 4. To study functions, its notations, and to define injective, surjective and bijective functions; main properties and results. To know the induced sets functions: the image and the inverse image of sets under a certain function. 5. To study the cardinality of sets, so we define equipotent of sets, finite sets, denumerable sets, countable and uncountable sets, and then to classify sets up to their cardinality. 6. To study the well ordering principal (WOP) and to prove that PMI is equivalent to WOP. To know more definitions and results concerning the partially ordered sets (posets): maximal (minimal) elements, Zorn’s lemma. To know the concepts of ordinal numbers, and their operations. 20% 20%% 15% 10% Teaching & Learning Methods Learning Outcomes: Upon successful completion of this course, students will be able to Related Objective(s) Reference(s) 1 Chapter 2 and Handouts 1,2 1-6 3,4 5,6 6 5 Useful Resources The university Library and the internet. References are good too. Course Content Week Topics Chapter in Text (handouts) 3 4 5 6 7 8 9 10 11 12 13 1 Review. Logic: statements, connectives, tautology, contradictions and equivalent statements. 2 Quantifiers: variety of examples, open sentences and their negations. Mathematical proofs: direct, indirect and proof by contradictions 1 1 Two parts proof, proof involving quantifiers. Principal of mathematical induction (PMI), principal of complete induction and solving different examples. 1 The sets: power sets, union, intersection and difference, universe sets and the complements. Indexed family of sets: arbitrary union and arbitrary intersection, pair-wise disjoint family sets. Generalizing De’Morgan’s laws. Other forms of PMI by using the sets notations The well ordering principal of natural numbers (WOP), proving that PMI is equivalent to WOP. Relations: Cartesian product, the definition of relations, the range and the domain of relations. The inverse relation and the composition. Equivalence relations and equivalence classes. The partial order relations, partially ordered sets (Posets) and the totally ordered sets. Partitions: definition, and proving that a partition on a set is equivalent to an equivalence relation on that set. Functions: definitions (well-defined function), notations, equality of functions, inverse function, composition of functions. Types of functions: injective, surjective and bijective. Solving problems concerning bijective functions, composition of bijective functions is a bijective function, the existence of the inverse function. The induced set functions: the image and the inverse image of subsets under a certain function, the image and the inverse image of an arbitrary union and intersections, the image and the inverse image under a bijective map, solving different problems. Cardinality of sets: equipotent sets, equipotent as an equivalence relations between sets. Finite sets: every subset of finite is a finite, the finite union of finite sets is also a finite set. Denumerable and countable sets: the set of integers is countable, the set of real numbers is uncountable, every infinite subset of denumerable is denumerable, every subset of countable is countable, the union of two denumerable sets is denumerable. The set of rational numbers is a countable set and the irrational is uncountable. Cardinal numbers, the cardinal number of denumerable sets, the cardinal number of the real numbers (continuum number), Cantor’s theorem, operations on cardinal numbers; their products, sums. The exponential of cardinal numbers, the cardinal number of denumerable sets is strictly less than the continuum number. Continuum hypothesis and continuum problem. 2 2, 3 3 3,4 4 4 5 5 5 5 14 The axiom of choice, totally ordered sets and chains, the Hausdorff Maximality principal, Zorn’s lemma, The ordinal numbers: definitions and operations. Review. 5 Additional Notes Assignments Will be given during classes Exams Cheating Attendance Against the university rules Obligatory Workload Graded Exams Exams (except the final) will be graded by the instructor, then return back to students in a week Participation Many questions will be asked during the class, extra partial credits will be given Laboratory Projects