Meaning & use

law of parsimony

phrase·Advanced

The principle that, when explanations compete, the simplest one requiring the fewest assumptions is usually correct.

See it in a sentence

Following the law of parsimony, the doctor first ruled out the simplest explanation for the symptoms.

Scientists invoked the law of parsimony to favor the theory with fewer untested assumptions.

A note on using this word

The law of parsimony is more commonly known as Occam's razor, named after the medieval philosopher William of Ockham.

Words with a similar meaning

occam's razor

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