On the one hand, logic is the study of certain mathematical properties of artificial, formal languages. It is concerned with such languages as the first or second order predicate calculus, modal logics, the lambda calculus, categorial grammars, and so forth.
Underworld is a 2003 action horror film directed by Len Wiseman about the secret history of Vampires and Lycans (an abbreviated form of lycanthrope). It is the first (chronologically, the second) installment in the Underworld series. The main plot revolves around Selene (Kate Beckinsale), a vampire Death Dealer hunting Lycans.
While the worst Resident Evil movie is worse than the worst Underworld movie, the best Underworld movie is not as good as the best Resident Evil movie. When it comes to graded-on-a-scale genre junk food, Underworld has been the more consistent of the two without ever achieving the same highs and lows.