phl251r6 w3 syllogisms and logic worksheet

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Syllogisms and Logic Worksheet PHL/251 Version 6 1 University of Phoenix Material Syllogisms and Logic PART I: SYLLOGISMS To be a valid syllogism, the conclusion must be proven by the reasons. Carefully study the following syllogisms and decide if they are valid or invalid: 1. All zebras are striped animals. No zebras are polar bears. Therefore, no polar bears are striped animals. 2. All clowns are funny individuals. Some sad people are clowns. Therefore, some sad people are funny individuals. 3. Some sticky substances are yucky things. All taffy is a sticky substance. Therefore, some taffy is a yucky thing. 4. All items made of gold are expensive items. Some rings are items made of gold. Therefore, some rings are expensive items. 5. All flies are winged creatures. All butterflies are winged creatures. Therefore, all butterflies are flies. The following are examples of syllogistic arguments that are missing the conclusions. Study the two reasons carefully and complete the syllogism with the conclusion that logically follows. 6. All fragile things are breakable things. Some glasses are fragile things. Therefore Copyright © 2015, 2013 by University of Phoenix. All rights reserved. Portions reproduced with permission from authors.

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Syllogisms and Logic WorksheetPHL/251 Version 61University of Phoenix MaterialSyllogisms and Logic PART I: SYLLOGISMS To be a valid syllogism, the conclusion must be proven by the reasons. Carefully study the following syllogisms and decide if they are valid or invalid!ll "ebras are striped animals.#o "ebras are polar bears.Therefore, no polar bears are striped animals.!ll clowns are funny individuals.Some sad people are clowns.Therefore, some sad people are funny individuals.Some sticky substances are yucky things.!ll taffy is a sticky substance.Therefore, some taffy is a yucky thing.!ll items made of gold are e$pensive items.Some rings are items made of gold.Therefore, some rings are e$pensive items.!ll flies are winged creatures.!ll butterflies are winged creatures.Therefore, all butterflies are flies.The following are e$amples of syllogistic arguments that are missing the conclusions. Study the two reasons carefully and complete the syllogism with the conclusion that logically follows..1 !ll fragile things are breakable things.Some glasses are fragile things.Therefore!ll mammals are warm%blooded animals.!ll whales are mammals. Therefore!ll books are things with pages. Some books are mysteries. Therefore!ll flowers are pretty ob&ects. Copyright ' ()1*, ()1+ by ,niversity of -hoeni$. !ll rights reserved. -ortions reproduced with permission from authors.Syllogisms and Logic WorksheetPHL/251 Version 6(!ll pansies are flowers. Therefore#o animals are plants. !ll sheep are animals. Therefore.eprinted with permission of the authors /li"abeth T. Tice, -h0 and 1ay 2allagher, -h0.PART II: LOGIC & EMOTION QESTIONS:There are two ways to make an argument through inductive and deductive reasoning. !nswer the 3uestions below. !e"#$%i&e Ar'#(en%1. What makes an argument deductive4(. Why do people use deduction4 +. Create a deductive argument. Label its partsIn"#$%i&e Ar'#(en%s1. What makes an argument inductive4(. Why do people use induction4 +. Create an inductive argument. Label its parts.E(o%ion1. What role does emotion play in the critical thinking process4(. What is the difference between persuasion and manipulation4P)r% III: *ALLACIES5allacies, or fallacious reasoning, are an attempt to convince others of our point of view. 6dentify the fallacies used in the e$amples below. 1. 7f course she8s rich9 1ust look at that diamond ring she is wearing.(. The ,nited States is a wealthy country: therefore, Sam 1ones must be wealthy.+. /very attempt to prove that people are immortal has failed. #o evidence can be found that shows thatpeople8s souls e$ist after death: hence, immortality must be false. ;. 6f 1ennifer !niston drinks a Starbucks latte, it must be good.*. 6f you are going to work on the weekends to finish one pro&ect, then you may as well start working every weekend.