A first-order term is recursively constructed from constant symbols, variables and function symbols. An expression formed by applying a predicate symbol to an appropriate number of terms is called an atomic formula, which evaluates to true or false in bivalent logics, given an interpretation.
Season 2 of Expedition Unknown premiered on the Travel Channel in the US on Wednesday, October 7, 2015 and it is set to have twenty one-hour episodes. In the premiere episode, Josh Gates goes to England, Wales, and Scotland in hopes to find the facts and separate them from the myths about legendary King Arthur.
Netflix is moving forward with a second season of its breakout series Stranger Things, the streaming service announced Wednesday. Nine new episodes, one more than the show's eight-episode first season, will air in 2017, with writers-creators Matt and Ross Duffer returning and 21 Laps producing.