Linked from
The 19 pages that link to Prior probability, each with the reason it gives.
Predictive processingRelated: Predictions depend on expectations formed before each incoming signal.
Bayes' theoremRelated: The theorem's starting quantity, which the evidence updates into a posterior.
Bayesian decision theoryRelated: It expresses initial uncertainty that later evidence can update.
Posterior probabilityRelated: It supplies the starting distribution that evidence updates.
Credible intervalRelated: The prior helps shape the posterior from which the interval is calculated.