Josh Infiesto
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 Apr 30 accepted Definition of Dedekind Cut Addition Apr 15 accepted Expressing a line as a linear combination of two points on the line. Jan 6 accepted Confusion concerning Cantor's theorem. Oct 30 accepted Confusion about least upper bound property of reals constructed as Dedekind Cuts. Oct 3 accepted Help with this related rates problem. Sep 24 accepted Why is this derivative not undefined at a given point? Sep 24 accepted Problem reconciling this proof with what I know about the Reals. Sep 18 accepted Why does implicit differentiation work on non-functions? Aug 21 accepted Computing the standard part of $(3-\sqrt{c+2})/(c-7)$ where the standard part of $c$ is $7$ Apr 15 accepted Help verifying my proof that for any $\epsilon>0$, there exists rational $\frac{j}{k}$ such that $0<\frac{j}{k}<\epsilon$ Apr 2 accepted Proving that if $\frac{m}{n}<\sqrt{2}$ then there exists $\frac{m'}{n'}$ such that $\frac{m}{n}< \frac{m'}{n'}<\sqrt{2}$ Mar 25 accepted Proving that $\sqrt{2}+\sqrt{3}$ is irrational Mar 18 accepted Proof that $\binom{ n}{k} \in \mathbb N$ Mar 16 accepted Help with this inequality. Mar 16 accepted Help proving a little theorem about inequalities Mar 16 accepted Trying to prove this statement about inequalities Mar 10 accepted Question from Spivak's Calculus. Hint makes no sense. Feb 18 accepted Help interpreting question about a system of equations Feb 18 accepted Triangle inequality not making sense in this problem. Jan 21 accepted Trapezoid Root Mean Square