# אליהו צלע

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An expert is a man who has made all the mistakes, which can be made, in a very narrow field. (Niels Bohr)

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 Oct22 reviewed Close what's the difference between a rational number and an irrational number? Oct22 reviewed Leave Open What is the number theory behind this? Oct22 comment If $|x_{n+1}-x_n| < |x_n-x_{n-1}|$, then $(x_n)$ is a Cauchy sequence What is the definition of Cauchy sequence are you using? Oct22 reviewed No Action Needed Combination Beads Oct22 reviewed Approve suggested edit on Discrete mathematics simple/strong induction Oct22 revised find closure, interior and boundary of S added 517 characters in body Oct21 answered find closure, interior and boundary of S Oct21 revised find closure, interior and boundary of S added 33 characters in body Oct21 revised Existence of positive integer k that are both squares added 7 characters in body Oct21 reviewed No Action Needed Product / GM of numbers, with fixed mean, increase as numbers get closer to mean. Oct21 comment limit of an absolute value function @Kathryn, I do not want to offend or be rude. But I recommend to you to be more precise in the wording of its questions. The concept of limit is something well defined in mathematics. And thus the various types of limits have precise and accurate way to evoke them so that makes sense to anyone of the mathematical community. Oct21 revised How can I use the distributive property to rewrite an algebraic fraction? added 22 characters in body Oct21 revised How can we calculate $(x^x)'$ edited body Oct21 revised How can we calculate $(x^x)'$ added 2 characters in body Oct21 revised How can we calculate $(x^x)'$ added 432 characters in body Oct21 answered How can we calculate $(x^x)'$ Oct21 revised How can we calculate $(x^x)'$ added 93 characters in body Oct21 revised Existence of positive integer k that are both squares deleted 6 characters in body; edited tags Oct21 reviewed Approve suggested edit on $A^m\hookrightarrow A^n$ implies $m\leq n$ for a ring $A\neq 0$ Oct21 revised Existence of positive integer k that are both squares deleted 21 characters in body