A rule for assigning epistemic probabilities, according to which, in the absence of any relevant evidence, agents should distribute their credence (or 'degrees of belief') equally among all the possible outcomes.

A hypothesis attempting to explain how evolution may lead to "honest" or reliable signalling between animals which have an obvious motivation to bluff or deceive each other. It suggests that costly signals must be reliable, costing the signaller something that could not be afforded by an individual with less of a particular trait.

The idea that decisions about how to spend research funds should be made by researchers rather than politicians.

(law) legal principle under which the state should only limit an individual's actions to the extent that they would cause harm to another

The concept that offenders should be punished according to how blameworthy they are.

plural of Bridlington principle

(industrial relations) Any of a set of rules aimed at resolving conflicts among trade unions.

(epistemology) Synonym of Occam's razor

(physics) The principle that a volume is a boundary of a higher-dimension region

A concept in the management of protected landscapes in the United Kingdom, where the need for conservation is balanced with access to the public.