Instructions: Choose the correct answer.
If the statement “~X ⊃ Y” is false, which of the following do you know to be true?
X must be false.
Y must be true.
X could be true or false.
Y could be true or false.
Which of the following statements is false when A is true and B is false?
A ⊃ (~B ⊃ ~A)
A ⊃ (~B ⊃ A)
~A ⊃ (B ⊃ ~A)
~A ⊃ (~B ⊃ ~A)
The logic symbol ⊃ is used to form which kind of relation?
Material implication
Material equivalence
Logical implication
Logical equivalence
In the statement (A ⊃ B) ⊃ (B ⊃ A), which of the following is the antecedent?
A
A ⊃ B
B
B ⊃ A
Which of the following represents a compound statement?
Jane is Sarah’s mother.
Brian and Rob are friends.
Chris is a teacher or a writer.
Holly is good at many sports.
QUESTION 6
