New posts in Proof Writing

How to prove that expessions like $\sqrt{93+63\sqrt{85}} - \sqrt{143} \notin \Bbb{Z}$?

If $(a_n)\to A\neq 0$ and $(a_n b_n)\to AB$ then $(b_n)\to B$

I've worked out the reasoning, but how do I write the proof?

How to prove that function $f(p)= \frac{1}{(p^2 - 1)} \sum_{q=3}^p \frac{q^2-3}{q}[q\text{ is prime}]$ is less than 0.3 for all $p$?

Proving a function is a fixed point

Proving a Subset - $(A∪B)∩C⊆A∪(B∩C).$

Understanding the proof $C(X)$ is complete

How to attack "if true, prove it; if not true, give a counterexample" question?

Do powers of 256 all end by 6 and if so, how to prove it?

In the triangle $\triangle ABC$, $|AB|^3 = |AC|^3 + |BC|^3$. Prove that $\angle ACB > 60^\circ$.