open sentence


noun

Mathematics. an equation or inequality containing one or more variables in which its truth or falsehood depends upon the values assumed by the variables in a particular instance, as the equation x + 3 = 8.
Logic. a propositional function that contains a free variable, as “x is a man.”

Origin of open sentence

First recorded in 1935–40

British Dictionary definitions for open sentence

open sentence

noun

logic an expression containing a free variable that can be replaced by a name to yield a sentence, as x is wise Also called: propositional function, sentential function