AConciseIntroduction
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to Logic 14e Patrick J.
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Hurley (Solutions
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LManual All Chapters, L L
L 100%OriginalVerified,
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A+ Grade) L L
,Solutions Manual L
Patrick J. Hurley, A Concise Introduction to Logic, 14e, 2024,
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L9780357798683;Chapter 1: Basic Concepts
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TABLE OF CONTENTS L L
Exercise Answers..................................................................................... 2
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Exercise 1.1............................................................................................... 2
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Exercise 1.2 ......................................................................................... 6
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Exercise 1.3.............................................................................................. 10
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Exercise 1.4.............................................................................................. 12
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Exercise 1.5.............................................................................................. 14
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Exercise 1.6.............................................................................................. 16
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,EXERCISE ANSWERS L
EXERCISE 1.1 L
Part IL
1. P: Carbon monoxide molecules happen to be just the right size and shape, and
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happen to have just the right chemical properties, to fit neatly into cavities
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withinhemoglobin molecules in blood that are normally reserved for oxygen
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molecules.L
C: Carbon monoxide diminishes the oxygen-carrying capacity of blood.
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2. P: The good, according to Plato, is that which furthers a person's real interests.
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C: L L In any given case when the good is known, men will seek it.
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3. P: The denial or perversion of justice by the sentences of courts, as well as in any
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other manner, is with reason classed among the just causes of war.
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C: The federal judiciary ought to have cognizance of all causes in which the citizens of
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other countries are concerned.
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4. P: When individuals voluntarily abandon property, they forfeit any expectation of
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privacy in it that they might have had.
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C: A warrantless search and seizure of abandoned property is not unreasonable under
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the Fourth Amendment.
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5. P1: Artists and poets look at the world and seek relationships and order.
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P2: But they translate their ideas to canvas, or to marble, or into poetic images.
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P3 Scientists try to find relationships between different objects and events.
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P4: To express the order they find, they create hypotheses and theories.
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C: The great scientific theories are easily compared to great art and great literature.
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6. P1: The animal species in Australia are very different from those on the mainland.
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P2: Asian placental mammals and Australian marsupial mammals have not been in
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contact in the last several million years.
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C: There was never a land bridge between Australia and the mainland
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7. P1: We need sleep to think clearly, react quickly, and create memories.
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P2: Studies show that people who are taught mentally challenging tasks do better
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after a good night’s sleep. L L L L
P3: Other research suggests that sleep is needed for creative problem solving.
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C: L L It really does matter if you get enough sleep.
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8. P1: The classroom teacher is crucial to the development and academic success of the
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average student.
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P2: Administrators simply are ancillary to this effort.
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C: Classroom teachers ought to be paid at least the equivalent of administrators at all
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levels, including the superintendent.
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, 9. P1: An agreement cannot bind unless both parties to the agreement know what they
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are doing and freely choose to do it.
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C: The seller who intends to enter a contract with a customer has a duty to disclose
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exactly what the customer is buying and what the terms of the sale are.
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10. P1: Punishment, when speedy and specific, may suppress undesirable behavior.
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P2: Punishment cannot teach or encourage desirable alternatives.
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C: It is crucial to use positive techniques to model and reinforce appropriate behaviorthat
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the person can use in place of the unacceptable response that has to be suppressed.
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11. P1: High profits are the signal that consumers want more of the output of the industry.
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P2: High profits provide the incentive for firms to expand output and for more firms to
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enter the industry in the long run.
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P3: For a firm of above average efficiency, profits represent the reward for greater
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efficiency.
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C: Profit serves a very crucial function in a free enterprise economy, such as our own.
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12. P1: My cat regularly used to close and lock the door to my neighbor's doghouse,
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trapping their sleeping Doberman inside.
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P2: Try telling a cat what to do, or putting a leash on him--he'll glare at you and say, "I
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don't think so. You should have gotten a dog."
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C: Cats can think circles around dogs.
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13. P1: Private property helps people define themselves.
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P2: Private property frees people from mundane cares of daily subsistence.
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P3: Private property is finite.
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C: No individual should accumulate so much property that others are prevented from
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accumulating the necessities of life.
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14. P1: To every existing thing God wills some good.
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P2: To love any thing is nothing else than to will good to that thing.
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C: It is manifest that God loves everything that exists.
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15. P1: The average working man can support no more than two children.
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P2: The average working woman can take care of no more than two children in decent
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fashion.
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C: Women of the working class, especially wage workers, should not have more than
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two children at most.
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16. P1: The nations of planet earth have acquired nuclear weapons with an explosive
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power equal to more than a million Hiroshima bombs.
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P2: Studies suggest that explosion of only half these weapons would produce enough
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soot, smoke, and dust to blanket the Earth, block out the sun, and bring on a
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nuclear winter that would threaten the survival of the human race.
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C: Radioactive fallout isn't the only concern in the aftermath of nuclear explosions.
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