expressio unius est exclusio alterius


Also found in: Legal.

expressio unius est exclusio alterius

From Latin, literally "the expression of one is the exclusion of another," a legal rule of construction holding that any words not contained in a particular list must be considered to have been excluded from the list on purpose. The company argued in court that, under the expressio unius est exclusio alterius rule, the fact that the contract made express provisions for the types of damage for which the customer could make a claim, then anything outside of those provisions was inherently excepted.
See also: EST
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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