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Ideas for 'Protagoras', 'Philosophy of Chemistry' and 'Abduction and Induction'

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4 ideas

14. Science / D. Explanation / 2. Types of Explanation / i. Explanations by mechanism
Using mechanisms as explanatory schemes began in chemistry [Weisberg/Needham/Hendry]
     Full Idea: The production of mechanisms as explanatory schemes finds its original home in chemistry.
     From: Weisberg/Needham/Hendry (Philosophy of Chemistry [2011], 5.1)
     A reaction: This is as opposed to mechanisms in biology or neuroscience, which come later.
Thick mechanisms map whole reactions, and thin mechanism chart the steps [Weisberg/Needham/Hendry]
     Full Idea: In chemistry the 'thick' notion of a mechanism traces out positions of electrons and atomic cores, and correlates them with energies, showing the whole reaction. 'Thin' mechanisms focus on a discrete set of intermediate steps.
     From: Weisberg/Needham/Hendry (Philosophy of Chemistry [2011], 5.1)
14. Science / D. Explanation / 3. Best Explanation / a. Best explanation
'Abduction' is beginning a hypothesis, particularly if it includes preference of one explanation over others [Peirce]
     Full Idea: The first starting of a hypothesis and the entertaining of it …is an inferential step which I propose to call 'abduction'. This will include a preference for any one hypothesis over others which would equally explain the facts.
     From: Charles Sanders Peirce (Abduction and Induction [1901], I)
     A reaction: I take there to be no more important function within human thought than the procedure by which we give preference to one particular explanation. It only makes sense, I think, if we take it as part of a coherence theory of justification.
Abduction involves original suggestions, and not just the testing involved in induction [Peirce]
     Full Idea: It is of the nature of abduction to involve an original suggestion; while typical induction has no originality in it, but only tests a suggestion already made.
     From: Charles Sanders Peirce (Abduction and Induction [1901], I)
     A reaction: Peirce's 'abduction' is not, then, just the choice of a best explanation. He came up with the idea because he was keen to capture the creative and imaginative character of rational thought.