Logic Chapter 7

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1. The truth table for a statement that has three component atomic statements will have

A. eight rows
B. four rows
C. sixteen rows
D. two rows
A. eight rows
(this multiple choice question has been scrambled)
2. The truth tables we use in class will never have

A. six rows
B. two rows
C. eight rows
D. four rows
A. six rows
(this multiple choice question has been scrambled)
3. Which assignment of truth values makes this statement true?

(~A • ~B)

A. A is false, B is false.
B. A is false, B is true.
C. A is true, B is false.
D. A is true, B is true.
A. A is false, B is false.
(this multiple choice question has been scrambled)
4. In this statement: (A ∨ ~B)
whenever B is false,

A.  is false
B. the disjunction is false
C. the disjunction is true
D. the disjunction might be true or false
C. the disjunction is true
(this multiple choice question has been scrambled)
5. Which assignment of truth values makes this statement true?

(~A ≡ ~B)

A. A is true, B is true
B. A is true, B is true; OR A is false, B is false.
C. A is true, B is false; OR A is false, B is true.
D. .A is false, B is false.
B. A is true, B is true; OR A is false, B is false.
(this multiple choice question has been scrambled)
6. The smallest part of a compound statement which can have a truth value is

A. a parenthesis
B. a predicate
C. a subject
D. an atomic statement
D. an atomic statement
(this multiple choice question has been scrambled)
7. A biconditional is false whenever

A. its two sides have opposite truth values
B.  both sides are false
C. its left side is true and its right side is false
D. both sides are true
A. its two sides have opposite truth values
(this multiple choice question has been scrambled)
8. In this statement: (~A • ~B)
whenever A is true,

A. the conjunction is false
B. none of these answers is correct
C. B is true
D. the conjunction is true
A. the conjunction is false
(this multiple choice question has been scrambled)
9. Which assignment of truth values makes this statement false? (~A ∨ ~B)

A. A is false, and B is false.
B. A is false, and B is true.
C. A is true, and B is true.
D. A is true, and B is false.
C. A is true, and B is true.
(this multiple choice question has been scrambled)
10. Which assignment of truth values makes this statement true?   (~A ⊃ B)

A. A is true, and B is false.
B. all of these answers are correct
C. A is true, and B is true.
D. A is false, and B is true.
B. all of these answers are correct
(this multiple choice question has been scrambled)
 Author: Anonymous ID: 252748 Card Set: Logic Chapter 7 Updated: 2013-12-12 05:59:33 Tags: Chapter Folders: Description: Chapter 7 Show Answers: