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Question 1.
a) All ducks waddle.
b) Donald is a duck.

Conclusion
Therefore: Donald waddles.

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Question 2.
a) All male logicians are clear thinkers.
b) All lawyers are clear thinkers.

Conclusion
Therefore all male logicians are lawyers.
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Question 3.
a) Men think only about sex.
b) A man called Jim Bob is thinking.

Conclusion
Therefore Jim Bob is thinking about sex.
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Question 4.
a) Where there is poverty there is crime.
b) There is poverty in Los Angeles.

Conclusion
Therefore there is crime in Los Angeles.
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Question 5.
a) Where there is poverty there is crime.
b) There is crime in Los Angeles.

Conclusion
Therefore there must be poverty in Los Angeles.
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Question 6.

a) Some animals are nocturnal.
b) All kangaroos are animals.

Conclusion
Therefore all kangaroos are nocturnal.
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Question 7.
a) All cats bark.
b) Sylvester is a cat.

Conclusion
Therefore Sylvester barks.
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Question 8.
a) When I get hungry I could eat a cow.
b) I am hungry now.

Conclusion
Therefore I should eat a cow.
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Question 9.
a) Blue and yellow make green.
b) Blue and red make brown.

Conclusion
Therefore blue and white make light blue.
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Question 10.
a) The Eiffel Tower is located in Paris.
b) Paris is in New York.

Conclusion
Therefore the Eiffel Tower is located in New York.
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Question 11.
a) Men are from Mars.
b) Women are from Jupiter.

Conclusion
Therefore men and women will never understand each other.
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Question 12.
a) The man was shot to death.
b) Margaret was seen leaving the scene of the crime shortly after the time of the murder.
c) Blood found on Margaret's pants was the same as the victim's.
d) Only Margaret's fingerprints were found on the gun that was used in the crime.
e) No other people were witnessed near the scene of the crime.
f) Margaret's DNA was found on the victim's body.
g) The Closed circuit television evidence showed only Margaret entering and leaving the victim's apartment.

Conclusion
Therefore Margaret committed the murder.
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Question 13.
a) Only language users employ generalizations.
b) Not a single animal uses language.
c) At least some animals reason.

Conclusion
Therefore reasoning creatures employ generalizations.
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Question 14.
The results from a logic quiz taken by 500 men and 500 women showed that:
a) Some women are more logical than some men.
b) Some men are more logical than some women.
c) The top elven performers were all women.
d) The bottom eleven performers were all men.

Conclusion
Therefore the results prove that overall women in the test were better than the men at solving logic problems.
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Question 15.
a) Hydrogen is composed of a single proton.
b) Every observation or examination by microscope has confirmed this.

Conclusion
Therefore we can predict that every future examination of hydrogen will reveal the same chemical composition.
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Question 16.
a) All roses are plants
b) All plants produce energy through photosynthesis

Conclusion
Therefore all roses must produce energy through photosynthesis

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Question 17.
a) All roses are marsupials
b) All marsupials produce energy through spontaneous combustion

Conclusion
Therefore all roses must produce energy through spontaneous combustion
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Question 18
a) James Bass is an instructor
b) All instructors are nice

Conclusion
Therefore, it can be assumed that James Bass is nice

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Question 19
a) All observed houses on North Street are falling apart.
b) Mary lives on North Street

Conclusion
Therefore, it is logical to assume that Mary's house is falling apart.

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Question 20
a) Mike is a football player.
b) All football players can bench press 1000 pounds

Conclusion
Therefore, Mike can bench press 1000 pounds.

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