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2. (5 points) Is (pq)(pr) a tautology? Prove or disprove it. 3 (10 points) Suppose xZ,yZ,zZ, function P(x,y) is x+y2+z=1. Determine the truth value of
2. (5 points) Is (pq)(pr) a tautology? Prove or disprove it. 3 (10 points) Suppose xZ,yZ,zZ, function P(x,y) is x+y2+z=1. Determine the truth value of the follows and explain why. - xyzP(x,y,z) - xyzP(x,y,z) - xzyP(x,y,z) - xyzP(x,y)
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Database Concepts
Authors: David Kroenke, David Auer, Scott Vandenberg, Robert Yoder
9th Edition
0135188148, 978-0135188149, 9781642087611
