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.
2.
Logic. a propositional function that contains a free variable, as “ x is a man.”.
(logic) an expression containing a free variable that can be replaced by a name to yield a sentence, as x is wiseAlso called propositional function, sentential function