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WorksheetsIntro to Logic Chapter 9 Part 2 Pre-Worksheet
Total questions: 7
Worksheet time: 4mins
Define "Quantifier sentences"
The quantifier is not its major operator
Have the quantifier as their major operator
Not every sentence that has a quantifier is a quantifier sentence.
True
False
Are the following logically equivalent?
(x)(Mx⊃ Ex) : : (x)Mx ⊃ (x)Ex
Yes
No
How many types of sentences do we have in PL?
4
6
8
10
Symbolize the following:
Some dogs are ugly and some are mean.
((Ǝx)(Dx • Ux) • (Mx))
((Ǝx)(Dx • Ux) • (Ǝx)(Mx))
((Ǝx)(Dx • Ux) • (Dx • Mx))
((Ǝx)(Dx • Ux) • (Ǝx)(Dx • Mx))
What is the major operator of the following sentence?
No dogs are ugly and all dogs are mean.
Existential quantifier
Negated existential quantifier
Universal Quantifier
None of the above.
Do the following have the same MO?
Anyone who is beautiful is mean
If anyone is beautiful it is Ella
Yes
No
