# s3 - Math 55 Worksheet Adapted from worksheets by Rob...

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Math 55 Worksheet Adapted from worksheets by Rob Bayer, Summer 2009. Instructions Introduce yourselves! Despite popular belief, math is in fact a team sport! Decide who will be your ﬁrst scribe. Do the problems below, having a diﬀerent person be the scribe for each one. Try to work out the problems as a group, but feel free to ﬂag me down if you run into a wall. Rules of inference (Quick Review. Don’t spend too long on these.) 1. Determine what conclusions, if any, you can draw from each of the following sets of premises: (a) “All athletes watch professional sports,” “Alice is an athelete.” Alice watches pro sports. (b) “All athletes watch professional sports,” “Bob watches professional sports.” No conclusion (c) “All athletes watch professional sports,” “Everyone who watches sports likes pizza,” “Charlie doesn’t like pizza.” Atheletes like pizza, charlie is not an athlete. charlie does not watch sports (d) “All athletes watch sports,” “Dan isn’t an athelete.” no conclusion 2. What’s wrong with each of the following arguments? (a) Every CS major takes discrete math. Alice is taking discrete math. Therefore, Alice is a CS major.

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## This note was uploaded on 02/06/2012 for the course MATHEMATIC 55 taught by Professor Robbayer during the Summer '09 term at University of California, Berkeley.

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s3 - Math 55 Worksheet Adapted from worksheets by Rob...

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