This document defines and discusses the concept of negligence. It provides definitions of negligence from two court cases. It outlines the five elements required for a cause of action in negligence: duty, duty to the plaintiff, breach of duty, consequential harm, and absence of fault by the plaintiff. The document also discusses the burden of proof in negligence cases, the nature and categories of negligence, the difference between negligence and intention, and the differences between civil and criminal negligence.