Bounds If for all numbers x of a set there is a number M such that x s M, the set is bounded above and M is called an upper bound. Similarly if x 2 m, the set is bounded below and m is called a lower bound. If for all x we have m s xs M, the set is called bounded. If M is a number such that no member of the set is greater than M but there is at least one member which exceeds M - e for every e >0, then M is called the least upper bound (l.u.b.) of the set. Similarly, if no mem- ber of the set is smaller than m +e for every e >0, then m is called the greatest lower bound (g.l.b.) of the set.
Bounds If for all numbers x of a set there is a number M such that x s M, the set is bounded above and M is called an upper bound. Similarly if x 2 m, the set is bounded below and m is called a lower bound. If for all x we have m s xs M, the set is called bounded. If M is a number such that no member of the set is greater than M but there is at least one member which exceeds M - e for every e >0, then M is called the least upper bound (l.u.b.) of the set. Similarly, if no mem- ber of the set is smaller than m +e for every e >0, then m is called the greatest lower bound (g.l.b.) of the set.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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should this statement be inserted? "if no member of the set is smaller than m, but there is at least one member that is smaller than....
why or why not?
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