The knowledge representationhypothesis(Brian Smith, 1982)
"ANY MECHANICALLY EMBODIED INTELLIGENT PROCESS WILL BE COMPRISED OF STRUCTURAL INGREDIENTS THAT
(A) WE AS EXTERNAL OBSERVERS NATURALLY TAKE TO REPRESENT A PROPOSITIONAL ACCOUNT OF THE KNOWLEDGE THAT THE OVERALL PROCESS EXHIBITS, AND
(B) INDIPENDENT OF SUCH AN EXTERNAL SEMANTICAL ATTRIBUTION, PLAY A FORMAL BUT CAUSAL AND ESSENTIAL ROLE IN ENGENDERING THE BAHAVIOR THAT MANIFESTS THAT KNOWLEDGE"