2. Typographical Conventions

When we are talking about a thing such as an apple, it is sometimes unclear if we are referring to the physical thing (i.e. the apple object), the perceptual thing (i.e. the apple percept), or the conceptual thing (i.e. the apple concept). To disambiguate between these different uses, we adopt the following conventions:

  • When we refer to the object apple, we use no typographic augmentation.

  • When we refer to the perception of an apple (i.e. a percept), we use single quotes, as in ‘apple’ .

  • When we refer to the concept of an apple, we use double quotes, as in “apple” .

There are several other typographic conventions which have somewhat specific connotations in this work: