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Quiz for CMSC 250 - Discrete Structures with Plane at Maryland (UMD)

Quiz Information

Material Type:Quiz 8
Professor:Plane
Class:CMSC 250 - Discrete Structures
Subject:Computer Science
University:University of Maryland
Term:--
Keywords:
  • Square Brackets
  • Cmsc 250 Quiz
  • Provided That
  • Infinite Sets
  • Combinations
  • Calculators
  • Total Number
  • Conditional
  • Propositional
  • You Have...
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Sample Document Text

CMSC 250 Quiz #8 KEY Monday, Oct. 29, 2001 Write all answers legibly in the space provided. The number of points possible for each question is indicated in square brackets { the total number of points on the quiz is 30, and you will have exactly 15 minutes to complete this quiz. You may not use calculators, textbooks or any other aids during this quiz. 1. [12 points] Assuming is the set fa; b; cg do each of the following: a. Give the value of 2. 2 = faa; ab; ac; ba; bb; bc; ca; cb; ccg b. Give the power set of . P( ) = f;;fag;fbg;fcg;fa; bg;fa; cg;fb; cg;fa; b; cgg c. Assuming A = f1; 2g - give A . A = f(1; a); (1; b); (1; c); (2; a); (2; b); (2; c)g 2. [8 pnts.] Give the lists of elements in each of the sets (A and B) assuming A B = f1; 5; 7; 8g, B A = f2; 10g and A \ B = f3; 6; 9g. A = f1; 5; 7; 8; 3; 6; 9g B = f2; 10; 3; 6; 9g 3. [10 pnts.] Prove or give a counter example to the following. A = fx 2 Zj9i 2 Z; x = 2ig B = fx 2 Zj9i 2 Z; x = 4i + 2g B = A ANSWER: Let x be a gener...

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