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PHIL 109 4/3

Total questions: 4

Worksheet time: 2mins

Name
Class
Date
1.

What is the contradictory of "Some students are slackers"?

a)

All students are slackers.

b)

No student is a slacker.

c)

Some slackers are students.

d)

Some students are not slackers.

2.

If "Some students are slackers" is true, what is the logical status of "Some students are not slackers"?

a)

True

b)

False

c)

Undetermined

3.

What is the contrary of "No fish is a mammal"?

a)

All fish are mammals.

b)

Some fish are mammals.

c)

Some fish are not mammals.

d)

No mammal is a fish.

4.

If "No fish is a mammal" is true, what is the logical status of its contrary?

a)

True

b)

False

c)

Undecided