Books on Amazon
Situation / Simons: does not correspond not as complete to a senetence as a complex does - negative and disjunctive situations are possible - a sit. is a non-rem entity - II 176 different approach: sit. corresponds to a truth-function of an atomic sentence - we reject negative and disjunctive objects, therefore sit. have a precarious thing-like character, contrary to a complex - non-negative sit.: if at least one of atomistic complex exists in it - N.B.: then situations have different parts in different worlds - situation: mereologically variable - complex: not variable.
Parts Oxford New York 1987