Zero–one law

In probability theory, a zero–one law is a result that states that an event must have probability 0 or 1 and no intermediate value. Sometimes, the statement is that the limit of certain probabilities must be 0 or 1.

It may refer to:
 * Borel–Cantelli lemma
 * Blumenthal's zero–one law for Markov processes,
 * Engelbert–Schmidt zero–one law for continuous, nondecreasing additive functionals of Brownian motion,
 * Hewitt–Savage zero–one law for exchangeable sequences,
 * Kolmogorov's zero–one law for the tail σ-algebra,
 * Lévy's zero–one law, related to martingale convergence.
 * Topological zero–one law, related to meager sets,
 * Zero-one law (logic) for sentences valid in finite structures.
 * Zero-one law (logic) for sentences valid in finite structures.