Salu,
To my understanding abduction is only possible within a context. Taking an
example of retroductive abduction from Peirce:
"Numberless of documents and monuments refer to a conqueror called
Napoleon Bonaparte. Though we have not seen the man, yet we cannot explain
what we have seen, namely, all these documents and monuments, without
supposing that he really existed."
We come across a surprising fact and come up with a principle which is
contextual (famous people generate, or trigger the production of, certain
kinds of artifacts within a certain culture in a certain period of time)
and when we apply that principle, what we have seen becomes understandable
- the best explanation.
Apropos different kinds of abduction it comes to my mind that Eco makes a
distinction between overcoded abduction, undercoded abduction, creative
abduction (When even the rule has to be invented), and meta-abduction.
(See his chapter in Eco & Sebeok (eds) The sign of the three)
Deduction and induction can be applied in a context-free situation.
Best,
Rolf
Den 2015-02-16 16.29 skrev Ylirisku Salu <[log in to unmask]>:
>Thanks Rolf for these,
>
>This provokes a question: How much context matters for any logic?
>
>To me it seems that deduction is essentially context-free. It is a
>process of determining the necessary consequences from given abstract
>premises. Induction appraises context in a super narrow-minded fashion:
>only the things that are attended to are taken into the process. It
>assumes almost that these items have a pure existence in the abstract
>logic, i.e. that it is ok to take them out of the context, or
>decontextualised.
>
>Abduction, on the contrary, appears to be a very much of a contextual
>process. And, as such, it must be a very much of a constructive one too.
>
>Kind regards,
>
>Salu
>
>PS: I should really check Kenšs readings on abduction before continuing
>on this.. Above is just a hunch.
>
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