Theorem

A theorem is a statement that can be proven via logic which generally stems from a collection of postulates or axioms. They have been in use since Euclidean geometry as the basis of geometrical facts.

Some famous theorems include:

• The Pythagorean Theorem
• Formulas for volume and surface area
• Stokes's Theorem
• The Fundamental Theorem of Algebra
• The Inscribed Angle Theorem
• The Triangle Angle Sum Theorem