New posts in Proof Writing

is this true for an induction proof

Correcting the set in my proof.

How can I prove mathematically the reflection matrix has only the eigenvalues 1 or -1?

How are proofs normally constructed in a write up, in one line or split up into multiple lines?

Direct telescopic proof for sum of $1^2+2^2+...+n^2$

I don't understand the explanation of Proof by Contradiction

Proving $\sqrt{2}$ is irrational

Why are direct proofs often considered better than indirect proofs?

A challenging geometry proof?

Why does this pattern repeat after 14 cycles instead of 256, can you give a proof?