Unwrapping Definitions
Read this topicExplanations 3
- This is another form of garbage management. Here, we provide tips for understanding definitions, rather than reducing problems to something doable. To understand a definition, I…
By Kada Williams
- For a set S⊂RS\subset \mathbb{R}S⊂R with x≤Kx\le Kx≤K ∀x∈S\forall x\in S∀x∈S for some KKK, the supremum of SSS, or supS\sup SsupS, is defined as a quantity MMM such that ∀ϵ>0\f…
By Kada Williams
- Read this problem from the 2000 China National Olympiad: A test contains 555 multiple choice questions which have 444 options in each. Suppose each examinee chose one option for…
By Kada Williams