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gedanken
(foldoc) | Gedanken
John Reynolds, 1970. "GEDANKEN - A Simple Typeless Language
Based on the Principle of Completeness and the Reference
Concept", J.C. Reynolds, CACM 13(5):308-319 (May 1970).
[Jargon File]
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gedanken
(foldoc) | gedanken
/g*-dahn'kn/ Ungrounded; impractical; not well-thought-out;
untried; untested.
"Gedanken" is a German word for "thought". A thought
experiment is one you carry out in your head. In physics, the
term "gedanken experiment" is used to refer to an experiment
that is impractical to carry out, but useful to consider
because it can be reasoned about theoretically. (A classic
gedanken experiment of relativity theory involves thinking
about a man in an elevator accelerating through space.)
Gedanken experiments are very useful in physics, but must be
used with care. It's too easy to idealise away some important
aspect of the real world in constructing the "apparatus".
Among hackers, accordingly, the word has a pejorative
connotation. It is typically used of a project, especially
one in artificial intelligence research, that is written up in
grand detail (typically as a Ph.D. thesis) without ever being
implemented to any great extent. Such a project is usually
perpetrated by people who aren't very good hackers or find
programming distasteful or are just in a hurry. A "gedanken
thesis" is usually marked by an obvious lack of intuition
about what is programmable and what is not, and about what
does and does not constitute a clear specification of an
algorithm. See also AI-complete, DWIM.
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gedanken
(jargon) | gedanken
/g@·dahn´kn/, adj.
Ungrounded; impractical; not well-thought-out; untried; untested.
‘Gedanken’ is a German word for ‘thought’. A thought experiment is one you
carry out in your head. In physics, the term gedanken experiment is used to
refer to an experiment that is impractical to carry out, but useful to
consider because it can be reasoned about theoretically. (A classic
gedanken experiment of relativity theory involves thinking about a man in
an elevator accelerating through space.) Gedanken experiments are very
useful in physics, but must be used with care. It's too easy to idealize
away some important aspect of the real world in constructing the
‘apparatus’.
Among hackers, accordingly, the word has a pejorative connotation. It is
typically used of a project, especially one in artificial intelligence
research, that is written up in grand detail (typically as a Ph.D. thesis)
without ever being implemented to any great extent. Such a project is
usually perpetrated by people who aren't very good hackers or find
programming distasteful or are just in a hurry. A gedanken thesis is
usually marked by an obvious lack of intuition about what is programmable
and what is not, and about what does and does not constitute a clear
specification of an algorithm. See also AI-complete, DWIM.
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