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WorksheetsPHIL109007 092718
Total questions: 4
Worksheet time: 4mins
Name
Class
Date
1.
What is the converse of some students are cheaters?
a)
All students are cheaters.
b)
Some students are not non-cheaters.
c)
Some cheaters are students.
d)
Some non-students are non-cheaters.
2.
What is the obverse of "All tuna are fish"?
a)
All non-fish are non-tuna.
b)
No tuna is a non-fish.
c)
All fish are tuna.
d)
No non-fish are tuna.
3.
What is the contrapositive of "Some watches are not expensive"?
a)
No watches are expensive.
b)
Some non-watches are expensive.
c)
Some non-watches are non-expensive things.
d)
Some non-expensive things are not non-watches.
4.
Are the following propositions equivalent?
All S are P.
All non-P are non-S.
a)
Yes
b)
No
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