What is the product of a certain pair of consecutive odd integers?
(1) Exactly one of the integers is negative.
(2) At least one of the integers is positive.
Isnt the set infinite?
1. There is only one pair of consecutive odd integers where exactly one is negative: -1 and 1. Sufficient.
2. Both integers can be positive or one is positive and one is negative. There are an infinite amount of positive pairs of odd integers. Insufficient.