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

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

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

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

(epistemology) Synonym of Occam's razor

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

The philosophical notion that an item drawn at random from one of several sets or categories is more likely to come from the most numerous category than from any of the others.

plural of superposition principle