3. Logic
Quantifiers
3. Logic
Quantifiers: Videos & Practice Problems
0
Concept
Quantifiers
Video duration:
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Example
Quantifiers Example 1
Video duration:
1m0
Example
Quantifiers Example 2
Video duration:
1m0
Example
Quantifiers Example 3
Video duration:
1m0
Example
Quantifiers Example 4
Video duration:
54s0
Problem
Determine the truth value of the following statement and find its negation.
All squares are rectangles.
A
True; Some squares are rectangles.
B
False; Some squares are not rectangles.
C
True; Some squares are not rectangles.
D
False; Some squares are rectangles.
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Problem
Determine the truth value of the following statement and find its negation.
Some circles are polygons.
A
True; No circles are polygons.
B
False; No circles are polygons.
C
True; All circles are polygons.
D
False; All circles are polygons.
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Problem
Determine the truth value of the following statement and find its negation.
Not all puppies are corgis.
A
True; All puppies are corgis.
B
False; Not all puppies are corgis.
C
False; All puppies are corgis.
D
True; All puppies are not corgis.
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Problem
Determine the truth value of the following statement and find its negation.
No prime number is even.
A
False; All prime numbers are not even.
B
True; All prime numbers are not even.
C
True; No prime number is even.
D
False; There exists a prime number that is even.
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Problem
Let : Some people like cats. : All cats have fur. Represent the following statement symbolically and determine its truth value.
At least one cat does not have fur.
A
~
B
~
C
D
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Problem
Let : Some people like cats. : All cats have fur. Represent the following statement symbolically and determine its truth value.
No people like cats.
A
~
B
~
C
D
