MHB What is the concept of limiting event?

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The concept of a limiting event relates to the definitions of sets and intervals in mathematical analysis. Members of the math help board are asked to provide clear explanations and examples for specific highlighted points regarding limiting events. It is noted that the definitions themselves do not require proof, as they are foundational concepts. The discussion also introduces the set ##E_k##, defined by the open interval ##( 1 - \frac{1}{2^k} , 2 + \frac{1}{2^k})##, which illustrates the idea of approaching a limit. Understanding limiting events is essential for grasping more complex mathematical principles.
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Would any member of math help board prove highlighted 1 and 2 by simple and clear explanation with examples?
 
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These are definitions, there is nothing to prove.
 
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WMDhamnekar said:
with examples?

Try letting ##E_k## be the set defined by the open interval ##( 1 - \frac{1}{2^k} , 2 + \frac{1}{2^k})##
 
First trick I learned this one a long time ago and have used it to entertain and amuse young kids. Ask your friend to write down a three-digit number without showing it to you. Then ask him or her to rearrange the digits to form a new three-digit number. After that, write whichever is the larger number above the other number, and then subtract the smaller from the larger, making sure that you don't see any of the numbers. Then ask the young "victim" to tell you any two of the digits of the...

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