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Letting WW Stand for the Set of Whole Numbers, I the Set

Question 80

Multiple Choice

Letting WW stand for the set of whole numbers, I the set of integers, I+I ^ { + } the set of positive integers, and I−I ^ { - } the set of negative integers, perform the indicated operation.
-Find W - I-


A) 0
B) ∅\varnothing
C) I
D) W

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