This article discusses content schemata, formal schemata, and the newly-hypothesized abstract discourse schemata, asserting that empirical studies confirm that abstract schemata are more powerful owing to their greater generality than formal schemata, which in turn are superior to content schemata. (118 references) (MDM)

This paper expands on schematic theory through a review of recent work in the field of semiotics. Content and formal schemata are shown to be grounded respectively in perceptual (abductive) and indexical (inductive) strategies of inference. A third kind of schemata is based on deductive generalization and referred to as abstract schemata. All…