 We can think of disjunction as a means of entertaining different alternatives. If I say either it is raining or it is snowing, I normally convey that both alternatives are open options for me. Grice, as we just saw, argued against a semantic account of such effects, which he labeled as the non truth-functional ground of disjunction (Grice 1989). Zimmermann (2000), by contrast, proposes a modal analysis of linguistic disjunction which identifies the semantic contribution of or with precisely these epistemic effects (see also Geurts 2005 for a further development of this idea). On Zimmermann’s account linguistic disjunctions should be analyzed as conjunctive lists of epistemic possibilities: