# Past Exam for MTH 220 - Discrete Structures at Marshall (MU)

## Exam Information

 Material Type: Exam 1 Professor: Staff Class: MTH 220 - Discrete Structures Subject: Mathematics University: Marshall Term: Spring 2007 Keywords: Computer RepresentationAddition PrinciplePrinciple 3CombinationsInfinite SetsContrapositiveConjunctionContradictionIdentity MatrixContingency  ## Sample Document Text

02/05/2007 STUDY SHEET for MIDTERM #1 (Monday, February 12) - Ch. 1 (1.1 - 1.5) - Ch. 2 (2.1, 2.2) - Ch. 3 (3.1, 3.2) The best way to prepare to the midterm is to read the book and to do the homework exercises. Please, take time to go over the material. Here is what you have to have an idea about: 1. Sets and Subsets. a) Special sets: Z + , N, Z, Q, and R. b) Empty set. c) Finite and infinite sets. Cardinality of a set. d) Venn diagrams. 2. Operations on Sets a) Union of two sets. b) Intersection of two sets. c) Disjoint sets d) Complement of B with respect to A. e) Complement of a set. f) Symmetric Difference of two sets. g) Algebraic properties of set operations (Commutative, associative, distributive, etc.) h) The addition principle 3. Sequences a) Finite and infinite sequences. b) Recursive and explicit formulas. c) Set corresponding to a sequence. d) Characteristic function. e) Computer representation of sets and subsets. ...

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