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Full Idea
It is said that a good explanation ought to produce understanding, ...but this just says that a good explanation produces possession of that which it provide, so this desideratum is empty. It adds nothing to our understanding of explanation.
Gist of Idea
Does a good explanation produce understanding? That claim is just empty
Source
David Lewis (Causal Explanation [1986], V)
Book Ref
Lewis,David: 'Philosophical Papers Vol.2' [OUP 1986], p.228
A Reaction
I am not convinced by this dismissal. If you are looking for a test of whether an explanation is good, the announcement that the participants feel they have achieved a good understanding sounds like success.
Related Idea
Idea 16806 An explanation is what is added to knowledge to yield understanding [Lipton]
4809 | Lewis endorses the thesis that all explanation of singular events is causal explanation [Lewis, by Psillos] |
15551 | Ways of carving causes may be natural, but never 'right' [Lewis] |
15552 | We only pick 'the' cause for the purposes of some particular enquiry. [Lewis] |
15553 | Causal dependence is counterfactual dependence between events [Lewis] |
14321 | To explain an event is to provide some information about its causal history [Lewis] |
15554 | A disposition needs a causal basis, a property in a certain causal role. Could the disposition be the property? [Lewis] |
15555 | Explaining match lighting in general is like explaining one lighting of a match [Lewis] |
15556 | Science may well pursue generalised explanation, rather than laws [Lewis] |
15558 | A good explanation is supposed to show that the event had to happen [Lewis] |
15559 | Does a good explanation produce understanding? That claim is just empty [Lewis] |
15557 | Verisimilitude has proved hard to analyse, and seems to have several components [Lewis] |
15560 | We can explain a chance event, but can never show why some other outcome did not occur [Lewis] |