Bayes postulate refers to a statistical theorem that calculates the probability of an event occurring given some prior knowledge or data. Other synonyms for Bayes postulate include Bayes rule, Bayes theorem, and Bayes inference. These terms are often used interchangeably in the context of statistical analysis. Bayes theorem was first introduced by Thomas Bayes, an 18th-century mathematician, and is widely used in fields such as machine learning, statistics, and data science. The theorem provides a framework for updating beliefs or hypotheses based on new evidence, making it a powerful tool in decision making. Whether using Bayes theorem, Bayes inference, or any other synonym, this principle remains a fundamental statistician's tool for modelling uncertainty.