New posts in Proof Writing

Prove that $\sqrt[3]{5} + \sqrt{2}$ is irrational

A proof using the contrapositive

Why isn't this approach in solving $x^2+x+1=0$ valid?

Proof of an inequality using analytic geometry

What does it mean when proof by contradiction doesn't lead to a contradiction?

A problem about the differential mean value theorem $2ηf(1)+(c^2-1)f'(η)=f(ξ)$

Why is $x^n\approx \left(n(x^{1/4096}-1)+1\right)^{4096}$?

What are the most popular techniques of proving inequalities?

How to determine the scope of a proof?

Is there a proof that performing an operation on both sides of an equation preserves equality?