ws1 - Rob Bayer Math 55 Worksheet Instructions •...

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Unformatted text preview: Rob Bayer Math 55 Worksheet June 22, 2009 Instructions • Introduce yourselves! Despite popular belief, math is in fact a team sport! • Find some blackboard space, a piece of chalk, and 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. Logic Symbols and Truth Tables 1. Let c =“It is cloudy,” r =“It is raining”, s =“It is sunny”, w =“The ground is wet”, n = “It is night”. Translate each of the following into English (a) c → ¬ s (b) ¬ s → c ∨ n (c) r → w ∧ c 2. Using the same propositional variables as above, translate each of the following into formal logical statements: (a) It is raining whenever the ground is wet. (b) If it’s sunny, then it’s not raining. (c) It only rains at night. 3. Create a truth table for each of the following expressions. Determine whether each is a tautology, a3....
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ws1 - Rob Bayer Math 55 Worksheet Instructions •...

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