Examlex
The normal lapse rate applies to the
Open Sentence
An expression or statement that contains one or more variables, which becomes either true or false when specific values are substituted.
Quantified Existential
A logical expression that asserts the existence of at least one instance of a certain property or classification.
Open Sentence
An algebraic expression that contains at least one variable and becomes either true or false when specific values are substituted for the variables.
Closed Sentence
In logic and mathematics, a statement or expression that is either always true or always false, containing no free variables.
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