Combining Texts

Ideas for 'Parmenides', 'Posterior Analytics' and 'On Certainty'

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5 ideas

12. Knowledge Sources / B. Perception / 1. Perception
You cannot understand anything through perception [Aristotle]
     Full Idea: You cannot understand anything through perception. Demonstrations are universal, and universals cannot be perceived.
     From: Aristotle (Posterior Analytics [c.327 BCE], 87b28)
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
Some knowledge is lost if you lose a sense, and there is no way the knowledge can be replaced [Aristotle]
     Full Idea: The loss of any one of the senses entails the loss of a corresponding portion of knowledge, and since we learn either by induction or by demonstration, this knowledge cannot be acquired.
     From: Aristotle (Posterior Analytics [c.327 BCE], 81a37)
     A reaction: This suggests Jackson's 'knowledge argument', that raw experience contains some genuine knowledge, for which there is no mechanistic substitute. Not that I accept….
12. Knowledge Sources / D. Empiricism / 5. Empiricism Critique
Aristotle's concepts of understanding and explanation mean he is not a pure empiricist [Aristotle, by Frede,M]
     Full Idea: It is a certain notion of understanding and, correspondingly, explanation which makes Aristotle think that knowledge, properly speaking, could not be a matter of mere experience.
     From: report of Aristotle (Posterior Analytics [c.327 BCE]) by Michael Frede - Aristotle's Rationalism p.160
     A reaction: Frede says this means that Aristotle is a rationalist, though few empiricists think understanding is 'merely' a matter of experience. My own epistemology is Explanatory Empiricism, which I see as more empiricist than rationalist.
Animals may have some knowledge if they retain perception, but understanding requires reasons to be given [Aristotle]
     Full Idea: In some animals the perception is retained, and in some not. Without retention knowledge is impossible. Some animals go further and form an account based on the perception. This leads to memory and experience, and so to either skill or understanding.
     From: Aristotle (Posterior Analytics [c.327 BCE], 99b35-)
12. Knowledge Sources / E. Direct Knowledge / 4. Memory
Many memories of the same item form a single experience [Aristotle]
     Full Idea: When it occurs often in connection with the same item, ..memories which are many in number form a single experience.
     From: Aristotle (Posterior Analytics [c.327 BCE], 100a05)
     A reaction: This is Aristotle at his most empirical. He is not describing an operation of the understanding, but a process of association. The process he alludes to is at the heart of the abstractionist view of concept-formation.