PHI_103 Week 2 Quiz 1-Questions with Answers

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1. Question : Identify the form of the following argument. Student Answer: disjunctive syllogism hypothetical syllogism modus tollens modus ponens not a valid form Instructor Explanat... ion: The answer can be found in Section 4.5, “Some Famous Deductive Argument Forms,” of With Good Reason: A Guide to Critical Thinking. If the report is not done by midnight, then you will be reprimanded. You will be reprimanded. Therefore, the report was not done by midnight. Points Received: 0 of 1 Comments: Question 2.Question : Which of the following must be true for “P if and only if Q” to be true? Student Answer: P is not true while Q is false. At most one of P and Q is true. P and Q are both true or both false. Exactly one of P and Q is true. P and Q are both true. Instructor Explanation: The answer can be found in Section 4.2, “Propositional Logic: Logical Operators,” of With Good Reason: A Guide to Critical Thinking. Points Received: 1 of 1 Comments: Question 3.Question : An argument is deductive __________. Student Answer: if it moves from the particular to the general if it presents itself as being valid none of these if it presents itself in relation to a hypothesis if it moves from the general to the particular Instructor Explanation: The answer can be found in Section 3.1, “Basic Concepts in Deductive Reasoning,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 This study source was downloaded by 100000831988016 from CourseHero.com on 04-28-2022 10:00:44 GMT -05:00 https://www.coursehero.com/file/13395553/phi-103-week-2/ Comments: Question 4.Question : The word “but” indicates which of the following types of propositions? Student Answer: conditional biconditional conjunction disjunction negation Instructor Explanation: The answer can be found in Section 4.2, “Propositional Logic: Logical Operators,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 5.Question : According to modern logic, the statement “Some days are rainy” logically implies Student Answer: All days are rainy. Some days are not rainy. No days are rainy. None of these. Most days are rainy. Instructor Explanation: The answer can be found in Section 3.4, “Introducing Categorical Statements,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 6.Question : A conjunction is __________. Student Answer: none of these an “if–then” statement an “and” statement an “or” statement an “if and only if” statement Instructor Explanation: The answer can be found in Section 4.2, “Logical Operators,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 This study source was downloaded by 100000831988016 from CourseHero.com on 04-28-2022 10:00:44 GMT -05:00 https://www.coursehero.com/file/13395553/phi-103-week-2/ Comments: Question 7.Question : Which of the following is NOT one of the correct descriptions of what it means for an argument to valid? Student Answer: the truth of the premises guarantees the truth of the conclusion that it is logically impossible for the premises to be true and the conclusion false if all of the premises are true then the conclusion cannot be false the reasoning is correct and all of the premises are in fact true Instructor Explanation: The answer can be found in Section 3.1, “Basic Concepts in Deductive Reasoning,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 8.Question : What is the converse of the statement “No pilots are mechanics”? Student Answer: No mechanics are not pilots. none of these Some mechanics are pilots. All pilots are mechanics. No mechanics are pilots. Instructor Explanation: The answer can be found in Section 3.5, “Categorical Logic: Venn Diagrams as Pictures of Meaning,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 9.Question : What is the contrapositive of the statement “All sunsets are beautiful things”? Student Answer: All beautiful things are non­sunsets. none of these No beautiful things are sunsets. All non­sunsets are not non­beautiful All non­beautiful things are non­sunsets. Instructor Explanation: The answer can be found in Section 3.5, “Categorical Logic: Venn Diagrams as Pictures of Meaning,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 This study source was downloaded by 100000831988016 from CourseHero.com on 04-28-2022 10:00:44 GMT -05:00 https://www.coursehero.com/file/13395553/phi-103-week-2/ Comments: Question 10.Question : In a propositional argument form the variables represent _____________. Student Answer: arguments anything the arguer wants them to. logical relationships sentences categories Instructor Explanation: The answer can be found in Section 4.1, “Propositional Logic: Basic Concepts in Propositional Logic.,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 11.Question : In logic, arguments are best described as __________. Student Answer: a dispute involving anger a debate over something no one believes requiring someone to win and someone to lose none of these providing reasons for a conclusion Instructor Explanation: The answer can be found in the Chapter 3 introduction of With Good Reason: A Guide to Critical Thinking. Points Received: 1 of 1 Comments: Question 12.Question : Identify the form of the following argument. If the Honda plant increases production, then we will need to hire more workers. If we need to hire more workers, then we need to revise the budget. Therefore, if the Honda plant increases production, then we need to revise the budget. Student Answer: modus tollens disjunctive syllogism hypothetical syllogism not a valid form This study source was downloaded by 100000831988016 from CourseHero.com on 04-28-2022 10:00:44 GMT -05:00 https://www.coursehero.com/file/13395553/phi-103-week-2/ modus ponens Instructor Explanation: The answer can be found in Section 4.5, “Some Famous Deductive Argument Forms,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 13.Question : Breaking a sorites into subarguments helps to make the reasoning _____________. Student Answer: clearer valid categorical deductive sound Instructor Explanation: The answer can be found in Section 3.7, “Categorical Logic: Types of Categorical Arguments,” of With Good Reason: A Guide to Critical Thinking. Points Received: 0 of 1 Comments: Question 14.Question : Select the p [Show More]

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