Problem: Consider the statements: (1) (2) (4) , where and are statements each of which may be true or false. How many of these imply the truth of
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Form . Since , statements , and are each correct.
Form . The negation of the statement "p and are both true" means that either is true and is false, or is false and is true, or is false and is false. Therefore, the statements , and are each correct.