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Skyrms Ch 1

# Skyrms Ch 1 - (pvp&~(pvp 1 T T F F 2 F F T F...

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Brenda Chan Weekly Assignment 1-Skyrms Ch 1 Section 1.2 1. Referring expressions: “Tony” and “Cleo” Characterizing expression: “loves” (relational expression) 3. Referring expression: “This book” Characterizing expression: “is confusing” (property expression) 4. Referring expressions: “Arizona”, “New Mexico”, and “California” Characterizing expression: “is between” (relational expression) Section 1.3 1b. ~ pv~q, p&q p q ~p ~q ~pv~q p&q 1. T T F F F T 2. T F F T T F 3. F T T F T F 4. F F T T T F ~ pv~q and p&q are mutually exclusive 1f. ~(~pvq), p&~q p q ~p ~q ~pvq ~(~pvq) p&~q 1. T T F F T F F 2. T F F T F T T 3. F T T F T F F 4. F F T T T F F ~(~pvq) and p&~q are logically equivalent 2c. ( pvp)&~(pvp) p pvp ~(pvp)

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Unformatted text preview: (pvp)&~(pvp) 1. T T F F 2. F F T F ( pvp)&~(pvp) is a self-contradiction 2e. p&q&r p q r p&q&r 1. T T T T 2. T F T F 3. T T F F 4. T F F F 5. F T T F 6. F F T F 7. F T F F 8. F F F F p&q&r is a contingent statement Section 1.5 4. ~(p&q) therefore, ~p p q ~p (p&q) ~(p&q) 1. T T F T F 2. T F F F T 3. F T T F T 4. F F T F T Invalid argument (case 2) 6. ~p ~q pvqvr therefore, r p q r ~p ~q pvqvr 1. T T T F F T 2. T F T F T T 3. T T F F F T 4. T F F F T T 5. F T T T F T 6. F F T T T T 7. F T F T F T 8. F F F T T F Valid argument (case 6) Last question : Neither...
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