Definition of

Theorem

Theorem
A result that has been proved to be true (using operations and facts that were already known).

Example: The "Pythagoras Theorem" proved that a2 + b2 = c2 for a right angled triangle.

Other examples:
• Intermediate Value Theorem
• Binomial Theorem
• Fundamental Theorem of Arithmetic
• Fundamental Theorem of Algebra
Lots more!

A Theorem is a major result (if it is just a minor result it is called a "Lemma")



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