 Determinism is standardly defined in terms of entailment, along these lines: A complete description of the state of the world at any time together with a complete specification of the laws entails a complete description of the state of the world at any other time. (Hoefer 2002, Mele 2009, Beebee 2013; see also van Inwagen 1983, Ginet 1990, and the Encyclopedia entry on  causal determinism).