Define what knowledge is and how it leads to inferences during perception (pp. Knowledge is often thought of as constituting particular bodies of facts, techniques, and procedures that cultures develops. We assign a perceived entity to a category, categorization allow us to draw inferences to allow us to derive information from knowledge of that group. Discuss how a representation must be intentional and carry information (pp. Representation is a physical state that stands for an object, event or concept. It also carries information of what they stand for. Intentional criterion: a representation must be constructed intentionally to stand for something else. Brain is designed to store information even at unconscious levels. Information-carrying criterion: a representation must carry information about what it stands for. Use these detailed memory to categorize new objects. Identify the four possible formats for representations (pp. 153-166): format: the types of its code, how elements make up a representation, how these elements are arranged.