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 22h awarded Popular Question May 2 comment How to show $\frac{19}{7}1. But the answer is yes when p <1 Mar 24 answered How to show that$max(f,g),min(f,g)$is continuous for continuous$f,g$Mar 23 revised If$\min(\alpha,F)$has only one root in$E$, must$\min(p(\alpha),F)$have only one root in$E$added 45 characters in body Mar 20 comment If$\min(\alpha,F)$has only one root in$E$, must$\min(p(\alpha),F)$have only one root in$E$@wore Hi, Why is that true ? counterexample: consider$\mathbb{Q}<\mathbb{Q}(x,2^{\frac{1}{3}})$Mar 20 asked If$\min(\alpha,F)$has only one root in$E$, must$\min(p(\alpha),F)$have only one root in$E$Mar 5 asked Can we have a continuous choice in the mean value theorem Feb 21 comment Stochastic processes book suggestions. It doesn't seem to be rigorous Feb 21 asked Stochastic processes book suggestions. Jan 28 accepted Theorems which are proven by proving the existence of a formal proof without knowing the formal proof Jan 28 comment If we have events$E_k, k \in \mathbb{R}$such that$P(E_k) = 0$for all$k \in \mathbb{R}$, what is$P(\cup_{k \in \mathbb{R}}E_k)$equal to? Or as sangchul pointed, the question may even be meaningless Jan 28 comment Ideas for approaching set theory when you've already studied higher abstractions? Elementary set theory from munkres topology Jan 19 revised Showing that$A+\epsilon I$is non-singular for$0<|\epsilon|