Chapter 06 Practice Quiz

. Of the following, the O-statement is ________.

"No cats are dogs"

"Some citizens are non-residents"

"All giraffes are animals"

"Some dogs are not Dalmatians"

. The best translation of "Most members are regular visitors" is ________.

"Some regular visitors are not members"

"All members are regular visitors"

"No members are regular visitors"

"Some members are regular visitors"

. The best translation of "Only diplomats are ambassadors" is ________.

"All diplomats are ambassadors"

"Some ambassadors are diplomats"

"All ambassadors are diplomats"

"No ambassadors are diplomats"

. Of the following categorical syllogisms, the INVALID one is ________.

"All Xs are Ys. All Ys are Zs. So, All Xs are Zs"

"Some Ys are Xs. No Zs are Ys. So, Some Xs are not Zs"

"All As are Bs. All Cs are Bs. So, All As are Cs"

None of the above

. The best translation of "The only good action-movie star is Angelina Jolie" is ________.

"All movies starring Angelina Jolie are good action movies"

"Some movies starring Angelina Jolie are good action movies"

"Some good action movies star Angelina Jolie"

"All good action movies are movies that star Angelina Jolie"

. A categorical syllogism is invalid if it violates the following rule: ________.

It has two affirmative premises

It has two negative premises

It has a middle term in both premises

It has two particular premises

. If it is true that some politicians are royals, then it is also true that ________.

some politicians are not royals

some royals are not politicians

some royals are politicians

all politicians are noblemen

. The categorical statement "Justin Bieber is a great Canadian" is best translated into standard form as ________.

"Some great Canadians are people identical to Justin Bieber"

"All great Canadians are identical to Justin Bieber"

"All people identical to Justin Bieber are great Canadians"

"Some people identical to Justin Bieber are great Canadians"

. A valid categorical syllogism must have ________.

true premises

an affirmative premise

a true conclusion

two middle terms

. In order to be sound, a categorical syllogism must ________.

have two true premises

be inductively strong

have a negative premise

have an affirmative conclusion

. If a statement actually implies that something exists, then it is said to have ________.

true premises

an affirmative conclusion

existential import

at least one affirmative premise

. "Some bathrobes are white garments" is an example of an ________.

A-Statement

E-Statement

I-Statement

O-Statement

. "Whatever is a coconut is a fruit" is equivalent to ________.

"All coconuts are fruit"

"No coconuts are fruit"

"Some coconuts are fruit"

"Some coconuts are not fruit"

. "Liberals are not fiscally conservative" is equivalent to ________.

"All liberals are fiscal conservatives"

"No liberals are fiscal conservatives"

"Some liberals are fiscal conservatives"

"Some liberals are not fiscal conservatives"

. "Some athletes are musicians" is an example of an ________.

A-Statement

E-Statement

I-Statement

O-Statement

. If exactly one person passes your Critical Thinking course, then it is also true that some students pass your Critical Thinking course.

TRUE

FALSE

. If some students pass your Critical Thinking course, then some students do not pass your Critical Thinking course.

TRUE

FALSE

. If it is true that "all reptiles are snakes," then it is also true that "all snakes are reptiles."

TRUE

FALSE

. If it is true that "no girls are Beliebers," then it is also true that "no Beliebers are girls."

TRUE

FALSE

. "Many lawyers studied philosophy" is true only if "some people who studied philosophy are lawyers."

TRUE

FALSE

. "Justin Trudeau is Prime Minister of Canada" is an I-claim.

TRUE

FALSE

. "Most Members of Parliament from New Brunswick are Liberals" implies that "some Liberals are members of Parliament from New Brunswick."

TRUE

FALSE

. If it is true that "Some mathematicians are philosophers," then it is also true that "Some philosophers are mathematicians."

TRUE

FALSE

. "Only musicians are talented" is equivalent to "All musicians are talented."

TRUE

FALSE

. "All atheists are non-believers" is equivalent to "No believers are atheists."

TRUE

FALSE

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