Three Dialogues between Hylas and Philonous

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…