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.”.
(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
[oh-puh n-shelf] /ˈoʊ pənˈʃɛlf/ adjective 1. .
- Open shortest-path first
Open Shortest-Path First Interior Gateway Protocol
[oh-puh n-sahy-did] /ˈoʊ pənˈsaɪ dɪd/ adjective 1. having a side or sides open.
noun 1. (on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.