# Definition of Lemma

A lemma is a little mathematical result that requires a proof.

Lemmas are not as important as theorems.

In fact, we often prove lemmas to help us prove theorems.

We use known facts to help us prove lemmas.

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter L

Author: Subject Coach
Added on: 6th Feb 2018

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