Theorem. Mathy mathy math.
Proof. This is my reality. This is my curse.
Proposition Name. Mathy mathy math.
Proof. This is my reality. This is my curse.
A Named Theorem (It has a name!). Mathy mathy math.
Proof. This is my reality. This is my curse.

Theorem. Mathy mathy math.

Proof.
This is my reality. This is my curse.

Theorem. Mathy mathy math.[proof 1]

My First Theorem. Theorem without a proof

Theorem. Mathy mathy math.Template:Math theorem must not have "boxed=yes" and a proof parameter

Proof. Putting this proof inside the box is not good formatting.
Theorem. My theorem statement.
Proof. My proof statement.


The converse of the theorem is also true:

Theorem (Converse Pythagorean). Given a triangle with sides of length a, b, and c, if a2 + b2 = c2, then the angle between sides a and b is a right angle.

Proofs

edit
  1. ^ Proof. This is my reality. This is my curse.