Philonous, in Three Dialogues between Hylas and Philonous, attacks Hylas arguments toward the distinction between primary and secondary qualities. The distinction between primary and secondary qualities is a peculiarity between qualities which depend for their existence on the relation between an object and a perceptual device. An example of this would be smell and color, which has properties that an object has independently of any perceiver.
<Tab/>What objectively, with out bias, exist and what merely subjectively exist? When something is clear and distinct it is true, an…