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有空讓我請教一下嗎?
WOULD YOU PLEASE GIVE ME FEW MINS TO SOLVE THESE PROBLEMS?
1. Which numbner in set F has a value greater than that of every other member of set F, if all the numbers of set F are negative integers?
(1) Each member of set F the product of -1 and a prime number
(2) at least one member of F is even.
2 Set T is an infinite sequence of positive integers. A "superset" is a sequence in which there is a finite number of multiples of three. is T a superset?
(1) The first six integers in T are multiples of three
(2) An infinite number of integers in T are multiples of four.
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