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

Question 53

Multiple Choice

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


A) I-
B) \varnothing
C) I
D) 0

Correct Answer:

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