Prove that the following two statements are not logicallyequivalent. In your proof, completely justify your answer.
(a) A real number is less than 1 only if its reciprocal isgreater than 1.
(b) Having a reciprocal greater than 1 is a sufficient conditionfor a real number to be less than 1.
Proof:
#2.
Prove that the following is a valid argument:
       All real numbershave nonnegative squares.
The number i has a negative square.
Therefore, the number i is not a real number.
Proof:
