The conflict was centered on Carnegie Steel's main plant in Homestead, Pennsylvania, and grew out of a dispute between the National Amalgamated Association of Iron and Steel Workers of the United States and the Carnegie Steel Company. Carnegie left on a trip to Scotland before the unrest peaked.
verb (used with object), presupposed, presupposing. 1. to suppose or assume beforehand; take for granted in advance. 2. (of a thing, condition, or state of affairs) to require or imply as an antecedent condition: An effect presupposes a cause. Origin of presuppose.
Definition 1 (Strawsonian presupposition) . One sentence presupposes another iff whenever the first is true or false, the second is true. One sentence presupposes another iff whenever the first sentence is true, the second is true, and whenever the negation of the first sentence is true, the second sentence is true.