Examination Questions And Answers English Work Sheet (Page 3 of 7) in pdf

Examination Questions And Answers English Work Sheet Page 3

10. No. You would need to determine whether it is impossible for all members of the

set to be true at the same time.

II. CHAPTER TWO: SYMBOLIZING IN SENTENTIAL LOGIC

A. General Theory

For 1-3, circle one of a-d:

1. A compound sentence is truth−functional if and only if:

the truth value of the compound sentence is determined by the truth values of

its component sentences

each of its component sentences is either true or false

the truth values of the component sentences are determined by the truth values

of the compound

none of these

2. The sentence “It will rain only if the temperature drops” is correctly symbolized

(using obvious abbreviations) as:

a. R ⊃ D

b. D⊃ R

c. R ≡ D

d. none of these

3. The sentence “It will rain unless the temperature drops” is correctly symbolized (using

obvious abbreviations) as:

a. R ⊃ D

b. D ⊃ R

c. R ≡ D

d. none of these

−

4. a. Give an original example of a truth

functional use of a sentence connective in

ordinary English, and defend your view that it is truth−functional.

−

b. Give an original example of a non

truth

functional use of a sentence connective in

ordinary English, and defend your view that it is non−truth-functional.

For 5 and 6, identify the main connective.

5. ~[(A ∨ B) ≡ (B ⋅ C)] ⊃ (F ∨ G)

6. ~[~G ⊃ (B ∨ A)]

A. Answers

1. a

2. a

Examination Questions And Answers English Work Sheet Page 3