MTH 314 Midterm: MTH314 - W2007 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. F f f p q r q. The 3-rd and the 7-th rows are the critical rows since all three hypotheses are true there. The conclusion of the argument, p, is false in the third row, so the argument is not valid.
