Definitions for occam's razor
Random House Webster's College Dictionary
the principle in philosophy and science that assumptions introduced to explain a thing must not be multiplied beyond necessity, and hence the simplest of several hypotheses is always the best in accounting for unexplained facts.
Ref: Also called law of parsimony.
Origin of Occam's razor:
1835–40; after William of Occam
Occam's Razor, Ockham's Razor, principle of parsimony, law of parsimony(noun)
the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
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