impressions and ideas, while it does show that Hume believes experience can be divided into its constituent elements, also shows how the two types of perception have to be related to experience.
Hume's Enquiry Concerning Human Understanding addresses precisely what it says--human understanding, meaning the possibility of knowledge, the mechanisms of knowledge, and the validity of knowledge. As noted, Hume believes that all the contents of the mind must derive from experience, and though he is in agreement with Locke on this, he uses different terminology. He uses the word "perceptions" to cover the contents of the mind in general, and he then divides perceptions into impressions and ideas. Impressions are the immediate data of experience, corresponding to sensations. Ideas are describ
...