Consider the set N* of finite sequences of natural numbers with a den – McqOptions

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1.	Consider the set N* of finite sequences of natural numbers with a denoting that sequence a is a prefix of sequence b. Then, which of the following is true?
A.	every non-empty subset of has a greatest lower bound
B.	it is uncountable
C.	every non-empty finite subset of has a least upper bound
D.	every non-empty subset of has a least upper bound
Answer» B. it is uncountable

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