New posts in proof-writing

IMO 2011: Prove that, for all integers $m$ and $n$ with $f(m)<f(n)$, the number $f(n)$ is divisible by $f(m)$

algebra-precalculus number-theory proof-writing contest-math solution-verification

Introduction to Proof via Linear Algebra

linear-algebra reference-request proof-writing education book-recommendation

Putnam 1990 A1 Induction Help

calculus real-analysis sequences-and-series proof-writing contest-math

Show $\nabla^2g=-f$

real-analysis ordinary-differential-equations partial-differential-equations proof-writing poissons-equation

Proof of the Mean Value Theorem for Integrals

real-analysis calculus proof-writing

Prove that a continuous real function with finite limits is bounded

real-analysis proof-writing

Intersection of two open dense sets is dense

general-topology proof-writing

Ordinal interpretation of Friedman's $n$?

logic proof-writing order-theory ordinals trees

Set sum of graphs of linear maps is a graph only if the maps are same

linear-algebra functions vector-spaces proof-writing linear-transformations

When learning mathematics should one prove everything one learns?

proof-verification soft-question proof-writing proof-explanation learning

prove $\binom{n}{k}\frac{1}{n^k}\leq\frac{1}{k!}$

proof-writing induction

How to learn/speak "mathematical english"?

proof-writing article-writing

How do people pick $\delta$ so fast in $\epsilon$-$\delta$ proofs

calculus real-analysis proof-writing epsilon-delta proof-explanation

Proving the AGM inequality with 3 variables

inequality proof-writing

Prove that for prime $p \gt 2$, $(p - 1)^{p - 1} \equiv p+1 \pmod{p^2}$.

number-theory proof-writing cyclic-groups

If $f \geq 0$ is continuous and $\int_{a}^{b} f(x) \, dx = 0$, then $f =0$

real-analysis analysis proof-verification proof-writing

Prove $1+2\sqrt3$ is not a rational number

discrete-mathematics proof-writing

Proving that $\sqrt{13+\sqrt{52}} - \sqrt{13}$ is irrational.

proof-writing radicals irrational-numbers rational-numbers

Prove that the additive inverse of an odd integer is an odd integer

discrete-mathematics proof-writing

How do we know whether certain mathematical theorems are circular?

soft-question proof-writing