We provide an axiomatic foundation for a maxmin expected utility over a set
of priors (MMEU) decision rule in an environment where the elements of cho
ice are Savage acts. The key axioms are stated using statewise combinations
as in Gul [Gul, F., 1992. Savage's theorem with a finite number of states.
Journal of Economic Theory 57, 99-100]. (C) 2000 Elsevier Science S.A. All
rights reserved.