 There are further issues that divide strong representationalists, generating different versions of the view. One is the question, of whether sensory qualities themselves, in our very specific sense, exhaust all of what has usually been thought of as a sensory state’s overall phenomenal character. Dretske and Tye maintain that they do; Lycan (1998) and others argue that they do not. This matter will be discussed below, in the context of what is called the “transparency” thesis.