What principle requires courts to follow earlier decisions within the same jurisdiction?

The doctrine of precedent, also known as stare decisis, is fundamental to the legal system, ensuring consistency and stability in the law. This principle requires that courts adhere to previously established judicial decisions within their jurisdiction when making rulings in similar cases. The rationale behind this doctrine is to promote fairness and predictability, allowing individuals and entities to have a clear understanding of the law based on past court decisions.

By following the doctrine of precedent, courts honor the rule of law and the importance of uniformity in legal interpretation. This approach enables attorneys and individuals to rely on established case law when seeking guidance on legal matters, thereby streamlining the process of legal reasoning and judgment.

The other options do not capture this key legal principle. The doctrine of reliance relates more to the expectations of parties based on previous actions or promises, while the doctrine of authority refers to the weight given to specific legal sources or regulations. The doctrine of relevance pertains to the introduction of evidence in court proceedings, examining whether evidence is pertinent to the case. These doctrines serve different purposes within the legal framework but do not encompass the core idea of adhering to precedent established in prior court decisions.