(Colorado State University. Libraries, 1991) Johnson, Fred (Frederick A.), author; SICSAT, publisher
The purpose of this paper is to show how to structure some typical examples of suppositional reasoning. Such reasoning is common, but unfortunately it is typically neglected by writers of logic textbooks, as Fisher points out in [Fisher, p. viii]. Fisher gives a method of diagramming suppositional reasoning and gives credit to Thomas for similar work in [Thomas]. I shall begin by laying out their methods of structuring suppositional reasoning.
