Bayesian epistemology is a way of thinking about how we learn about the world. It is based on the concept of probability, which is a mathematical way of describing how likely something is to happen. In Bayesian epistemology, it is believed that we can use probability and evidence to learn about the world and make decisions. This means that we weigh up the different pieces of available evidence to decide if something is true or false, or if something has a low, medium or high chance of being true. We look at all the information we have gathered, compare different possibilities and decide on the most likely explanation or outcome.