Josh Infiesto
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 Mar 18 comment Proof that $\binom{ n}{k} \in \mathbb N$ That's probably my biggest complaint about the text. For the most part, the exercises are very illuminating. Every once in a while though, I get a problem like this that really makes me wonder what he's trying to show here. Mar 18 accepted Proof that $\binom{ n}{k} \in \mathbb N$ Mar 18 comment Proof that $\binom{ n}{k} \in \mathbb N$ Most of the proof exercises in Spivak seem to follow directly from the text. I had to incorporate quite a bit of outside knowledge to do this one, which makes me feel like I'm missing the point... Mar 18 asked Proof that $\binom{ n}{k} \in \mathbb N$ Mar 16 comment Help with this inequality. Nvm, I figured it out. 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 16 comment Help with this inequality. I caught the triangle inequality, and I'm clear on the cross multiplication... I just don't know what's happening between steps two and three. To be more specific, where is $0<\frac{|y_0|}{2}<|y|$ coming from? Sorry, I'm a little slow. Mar 16 comment Help with this inequality. I lost you after the second arrow. Do you think you could elaborate further on that step? Mar 16 asked Help with this inequality. Mar 15 revised Trying to prove this statement about inequalities LaTex added Mar 15 suggested approved edit on Trying to prove this statement about inequalities Mar 15 asked Trying to prove this statement about inequalities Mar 12 asked Help proving a little theorem about inequalities Mar 10 accepted Question from Spivak's Calculus. Hint makes no sense. Mar 10 comment Question from Spivak's Calculus. Hint makes no sense. D'oh! What a dumb oversight. I amaze myself sometimes. Mar 10 asked Question from Spivak's Calculus. Hint makes no sense. Mar 4 asked Help me find a less tedious way to prove this theorem about inequalities Feb 18 comment Help interpreting question about a system of equations Ok, after reading through this, the problem makes much more sense. For some reason, I never thought to think about what the discriminant would have to be. It didn't help that the wording confused me either.