principle of indifference

noun

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.

Similar
principle of insufficient reason
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Meanings

nounprinciple of indifference (plural principles of indifference)

plural principles of indifference

  1. computingA 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.

    Synonyms: principle of insufficient reason

Synonyms & antonyms

nounA 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.

Similar
principle of insufficient reason
Also see
principle of insufficient reason
Cite this entry
APA

principle of indifference. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/principle%20of%20indifference

MLA

“principle of indifference.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/principle%20of%20indifference. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “principle of indifference,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/principle%20of%20indifference.

Source: principle of indifference on Wiktionary, CC BY-SA 4.0.