Contains classes for analyzing and evaluating Kodkod ASTs with respect to finite bounds or instances. A {@linkplain kodkod.engine.Solver Solver} provides methods for finding finite models and minimal unsatisfiable cores of Kodkod formulas with respect to given {@linkplain kodkod.instance.Bounds Bounds} and {@linkplain kodkod.engine.config.Options Options}. An {@linkplain kodkod.engine.IncrementalSolver IncrementalSolver} provides a way to solve a sequence of related formulas and bounds incrementally, with respect to the same {@linkplain kodkod.engine.config.Options Options options}. An {@linkplain kodkod.engine.Evaluator Evaluator} enables the evaluation of formulas, expressions, and integer expressions with respect to a particular {@linkplain kodkod.instance.Instance Instance} and {@linkplain kodkod.engine.config.Options Options}.