New posts in proof-writing

Show $a\Bbb Z+b\Bbb Z = \gcd(a,b)\Bbb Z$

elementary-number-theory proof-writing divisibility

Why do proof authors use natural language sentences to write proofs?

proof-writing article-writing

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

proof-writing soft-question problem-solving

How do I make proofs with long formulae more readable without sacrificing clarity?

logic proof-writing notation propositional-calculus

how to prove $f^{-1}(B_1 \cap B_2) = f^{-1}(B_1) \cap f^{-1}(B_2)$

elementary-set-theory proof-writing problem-solving

Prove that $1^2+2^2+\cdots+n^2=\frac{n(n+1)(2n+1)}{6}$ for $n \in \mathbb{N}$.

proof-verification proof-writing induction

What is the integral of 0?

calculus integration proof-writing

What really is mathematical rigor? How can I be more rigorous?

proof-writing

The 'Factorialth Root'

algebra-precalculus proof-writing radicals

Level of Rigor in Mathematical Physics

soft-question proof-writing mathematical-physics

Sum of cubes proof [duplicate]

discrete-mathematics proof-writing

Why do we write proofs "forward?"

proof-writing

Show that if $g \circ f$ is injective, then so is $f$.

functions discrete-mathematics proof-writing

Logarithm proof problem: $a^{\log_b c} = c^{\log_b a}$

proof-writing logarithms

When working proof exercises from a textbook with no solutions manual, how do you know when your proof is sound/acceptable?

soft-question proof-writing self-learning advice

Is this a new method for finding powers?

elementary-number-theory proof-verification proof-writing exponentiation perfect-powers

Limit of $(1+ x/n)^n$ when $n$ tends to infinity [duplicate]

limits proof-writing

Exercise 19, Section 17 of Munkres’ Topology

general-topology proof-writing solution-verification

Prove: If $A$ and $B$ are closed subsets of $[0,\Omega]$ then at least $A$ or $B$ is bounded

general-topology proof-writing proof-explanation ordinals order-topology

Systems of linear equations: Why does no one plug back in?

linear-algebra algebra-precalculus proof-writing systems-of-equations