PHIL 100 Lecture Notes - Lecture 18: Empiricism, Deductive Reasoning, Begging The Question
15 Nov 2016
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What are the things that you are thinking about: two things: impressions and ideas. Impressions: strong, forceful, sense, feel, love, hate, desire/will. Ideas: faint, less lively, refer to or are about an impression, copies of impressions: there is a difference between experiencing something and the memory of that experience. All we have are impressions or ideas (which are copies of impressions) Relations of ideas: demonstrable a priori. Matters of fact: demonstrable a posteriori. A dog with three legs can still walk. No matter what we conceive, it is in some way constructed of things we have already experienced. Except the infamous shade of blue: except, this instance is so singular, that is it scarcely worth our observing, and does not merit that for it alone we should alter our general maxim. Example: is 9+7=16 a priori: case where not true: 9+7=4, not conceivable, thus it is a priori.
