The Platonic theory of mind in which "figurative or poetic assertions are distinct from true knowledge" finds its compensatory other in the poetic basis of mind, which asserts that "human cognition is fundamentally shaped by various poetic or figurative processes". The awakening of metaphor and philosophy to their co-creative possibilities evokes the poetic basis, which is also a principal presupposition of imaginal psychology. The former begins with Aristotle and leads to the cognitive turn. The latter, whose theorists include Coleridge, Barfield, Cassirer, and Langer, are of less concern, both for reasons of space and because our narrative principally has to do with metaphor's cognitive bona fides. The most influential promulgation of the cognitive theory has come from Johnson and George Lakoff. In the substitution theory, indifferent to context, metaphor is objectified and denatured, "a mere stylistic ornament that is reducible to literal statements without loss of cognitive content".