Sun-stroke
131The Open Door — For the Death Cab for Cutie EP, see The Open Door EP. The Open Door Studio album by Evanescence Relea …
132Propositional formula — In propositional logic, a propositional formula is a type of syntactic formula which is well formed and has a truth value. If the values of all variables in a propositional formula are given, it determines a unique truth value. A propositional… …
