WorksheetsPHIL 109 11/4
Total questions: 4
Worksheet time: 2mins
Name
Class
Date
1.
What is the converse of "All mice are rodents"?
a)
No mouse is a rodent
b)
All rodents are mice
c)
No mouse is a non-rodent
d)
Some rodents are not mice.
2.
What is the obverse of "Some teachers are experts"?
a)
No teacher is an expert.
b)
Some teachers are non-experts.
c)
Some teachers are not non-experts.
d)
Some experts are teachers.
3.
What is the contrapositive of "Some animals are not herbivores"?
a)
Some non-herbivores are non-animals.
b)
Some non-herbivores are not non-animals.
c)
Some non-animals are not non-herbivores.
d)
Some animals are non-herbivores.
4.
Which proposition is logically equivalent to "All whales are mammals"?
a)
All mammals are whales.
b)
No mammals are whales.
c)
All whales are non-mammals.
d)
All non-mammals are non-whales.
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