Ockham’s razor Principle

Ockham’s razor, also spelled Occam’s razor, also called law of economy or law of parsimony,  principle stated by William of Ockham (1285–1347/49), a Scholastic, thatPluralitas non est ponenda sine necessitate, “Plurality should not be posited without necessity.” The principle gives precedence to simplicity; of two competing theories, the simpler explanation of an entity is to be preferred. The principle is also expressed as “Entities are not to be multiplied beyond necessity.”