principle of indifference

British  

noun

1. the principle that, in the absence of any reason to expect one event rather than another, all the possible events should be assigned the same probability See mathematical probability

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Example Sentences

“We just assume the principle of indifference, which is the default assumption when you don’t have any data or leanings either way.”

From Scientific American

“The invocation of the principle of indifference here is rather shaky,” he says.

From Scientific American