SOLUTION: 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

Question 261271: 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 warm.
a) I and II are equivalent
b) I and III are equivalent
c) II and III are equivalent
d) I, II, and III are equivalent
e) None are equivalent
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
b) contrapositives I and III
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