MTH 314 Midterm: MTH314 - W2008 Midterm
Document Summary
Mth314 - discrete mathematics for engineers - midterm. Instructions: duration: 2 hours item you are allowed one 8. 5 11 formula sheet (two-sided). The information on the sheet must be hand-written, with your own hand-writing: marks (out of ) are shown in brackets. (a) all the answers on the test must be accompanied by a full explanation. Marks will not be given solely on a short answer. Show all your work. (b) write your solutions in the space provided. If you need more space, use the back of the page. [8 marks] (1) use the truth-table to determine whether the following argument is valid: p q q r r q. F f f p q q r. The 6-th and the 7-th rows are the critical rows since all three hypotheses are true there. The conclusion of the argument, p, is also true in those two critical rows, so the argument is valid.
