10. All are equivalent but which among the following versions was due to Archimedes as recalled in his works by a mathematician in 1880's? * O The set N of natural numbers is unbounded above. O For each real number x, there exists a natural number n such that n > x. O For each positive real x, and for each real number y, there is a natural number n such that nx > y. O For each positive real x, there is a natural number n such that 0 < 1/n < x. O None of the above

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.6: Matrices
Problem 7E: Let ij denote the Kronecker delta: ij=1 if i=j, and ij=0 if ij. Find the value of the following...
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ANSWER NUMBER 10 ONLY

.9. Which is true for a nonempty subset S of R? *
O If S is nonempty and sup S exists, then S is bounded.
O If m sx for all x ES, then m sup S.
If m and n are suprema of S, then m n.
O If m = sup S, then me S.
O None of the above
10. All are equivalent but which among the following versions was due to Archimedes as recalled in
his works by a mathematician in 1880's? *
The set N of natural numbers is unbounded above.
O For each real number x, there exists a natural numbern such that n> x.
O For each positive real x, and for each real number y, there is a natural numbern such that nx > y.
O For each positive real x, there is a natural number n such that 0 < 1/n < x.
O None of the above
Transcribed Image Text:.9. Which is true for a nonempty subset S of R? * O If S is nonempty and sup S exists, then S is bounded. O If m sx for all x ES, then m sup S. If m and n are suprema of S, then m n. O If m = sup S, then me S. O None of the above 10. All are equivalent but which among the following versions was due to Archimedes as recalled in his works by a mathematician in 1880's? * The set N of natural numbers is unbounded above. O For each real number x, there exists a natural numbern such that n> x. O For each positive real x, and for each real number y, there is a natural numbern such that nx > y. O For each positive real x, there is a natural number n such that 0 < 1/n < x. O None of the above
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