Does the Gaussian integral trick work for other functions?

Proof: Uniqueness of the Tensor Product

Tensor Product Basis With the Universal Property

Complete Derivation: Universal Property of the Tensor Product

How to Define Homomorphisms on Quotient Groups

Why can we change lim n→∞ to lim x→∞?

A Natural Proof of the First Isomorphism Theorem (Group Theory)

Integral Formula for Natural Log (without knowing the derivative)

Supremum, Infimum: Definition and Explanation

Topology Definitions: Connected and Path-Connected

Does 1+2+3+...=-1/12?

Proof: Orthogonal Matrices Satisfy A^TA=I

My favorite proof of the n choose k formula!

Epsilon-Delta proofs: Can't we make the limit equal anything?

Why can't we group the terms in 1-1+1-1+... ?

When can we switch the limit and function?

Topology Definitions: Closure, Boundary, Interior

Why can we do this to find inverse functions?

Bijective Functions Have a Two-Sided Inverse

Proof: Two-Sided Inverse Functions are Unique

Sum of natural numbers equals n+1 choose 2!

Representation Theory: Irreducible Characters Are an Orthonormal Basis

Matrix Invertibility With F[x]-Modules

Difference Between Normalizer, Centralizer, and Stabilizer

A Concrete Introduction to Tensor Products

Euler's Identity With a Limit!

Why Are Odd Numbers Not Even?

The Cayley-Hamilton Theorem is Easy with F[x]-Modules

How the Matrix Characteristic Polynomial is Connected to F[x]-Modules

F[x]-Module Derivation of Rational and Jordan Canonical Forms