Question

bbv1814 i need help with a lot of problems. you replied to the question determine which if any of the three statements are equivalent. I.) if the weather is not warm,then I will need a sweater. II.) either I will not need a sweater or the weather is not warm. III.) if i will not need a sweater,then the weather is. the answer to choose from is I and II are equivalent. II and III are equivalent. II and III are equivalent. none are equivalent.