The article explores how the burden of proof is understood in legal proceedings, such as civil, administrative, and criminal cases. The researchers aim to clarify the standard of proof required to establish a fact as proven or unproven in these different types of legal procedures. The ambiguity in understanding the standard of proof can lead to incorrect judgments, such as finding innocent people guilty. By examining the burden of proof in various legal proceedings, the article sheds light on the different standards required to prove a claim.