- a diagram, plan, or scheme.
- an underlying organizational pattern or structure; conceptual framework:A schema provides the basis by which someone relates to the events they experience.
- (in Kantian epistemology) a concept, similar to a universal but limited to phenomenal knowledge, by which an object of knowledge or an idea of pure reason may be apprehended.
- a plan, diagram, or scheme
- (in the philosophy of Kant) a rule or principle that enables the understanding to apply its categories and unify experience
- a mental model of aspects of the world or of the self that is structured in such a way as to facilitate the processes of cognition and perception
- an expression using metavariables that may be replaced by object language expressions to yield a well-formed formula. Thus A = A is an axiom schema for identity, representing the infinite number of axioms, x = x, y = y, z = z, etc