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Douglas Hofstadter
Protagonist
1
#2781
Arguments advanced by Douglas Hofstadter.
CONTEXT
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Artificial Intelligence »
Artificial Intelligence
Artificial IntelligenceâA collaboratively editable version of Robert Horns brilliant and pioneering debate map Can Computers Think?âexploring 50 years of philosophical argument about the possibility of computer thought.âF1CEB7
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Protagonists »
Protagonists
ProtagonistsâThe contributions of over 300 protagonists can be explored via a surname search, or using the growing list developing here.âD3B8AB
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Douglas Hofstadter
Douglas HofstadterâArguments advanced by Douglas Hofstadter.âD3B8AB
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ACME doesn't understand analogy »
ACME doesn't understand analogy
ACME doesn't understand analogyâAll ACME does is take algebraic sentences in predicate logic notaiton and compare them. For example, it only understands that Socrates is like a midwife to the extent that it understands that (a(b)), (c(d)) is similar to (A(B)), (C(D)).âFFFACD
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Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubiousâModels that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.âFFFACD
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All encompassing representations can't be processed »
All encompassing representations can't be processed
All encompassing representations can't be processedâThe all purpose representation a front-end module would provide to a computer model would have to encode a vast amount of information, enough to adapt to all contexts and analogies it might be used inâmaking it too bulky for efficient processing.âFFFACD
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Perception depends on analogy »
Perception depends on analogy
Perception depends on analogyâHow we see things depends in part on what high level analogical processes we useâeg Saddam Hussein will be perceived differently depending on whether he is viewed as analogous to Adolf Hitler (ruthless aggressor) or Robin Hood (generous crusader).âFFFACD
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Analogies only drawn from pre-structured representations »
Analogies only drawn from pre-structured representations
Analogies only drawn from pre-structured representationsâSME creates analogies using high-level representations that are strucured with those specific analogies in mind. Its behaviour provides no evidence for intelligence because the analogies it discovers are already built into the data it works with.âFFFACD
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Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubiousâModels that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.âFFFACD
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SME too rigid in its distinctions »
SME too rigid in its distinctions
SME too rigid in its distinctionsâIn order for its analogical mapings to work, SME assumes a rigid distinction between objects, attributes, and relations. But it is unclear whether humans make such a rigid distinction.âFFFACD
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Treatment of relations too rigid »
Treatment of relations too rigid
Treatment of relations too rigidâIn SME, relations are treated as n-place predicates that can only be mapped to other n-place predicates. But it is unlikely that human mind is so rigid in its treatment of relational mappings. âFFFACD
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Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubiousâModels that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.âFFFACD
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Gestalt properties implemented recursively »
Gestalt properties implemented recursively
Gestalt properties implemented recursivelyâRecursive loops can explain the Gestalt figure-ground relationship. Recursive loops allow the background of an image to be constructed as a complement (or opposition) to the figure.âFFFACD
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METACAT »
METACAT
METACAT âThe COPYCAT programâsee Map 1âcould in principle be developed into a new program called METACAT. Metacat would have the reflexive ability to recognise the truth of its own Gödel sentence and could thereby evade the Lucas argument.âFFFACD
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Lucas uses a faulty way of identifying differences »
Lucas uses a faulty way of identifying differences
Lucas uses a faulty way of identifying differencesâThe Whiteley sentence reveals a flaw in Lucass argument relating to a problem of perspective (see detailed text).âFFFACD
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Inconsistency without explosion of belief »
Inconsistency without explosion of belief
Inconsistency without explosion of beliefâLucass argument depends on the assumption that if humans were inconsistent, they would be committed to believing anything and everything. But this conclusion follows from a rule of propositional logic we have no reason to believe holds for humans.âFFFACD
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Common sense and connectionism »
Common sense and connectionism
Common sense and connectionism âCommonsense reasoning in humans is best explained by a mental topology of conceptual halos, which can be understood, in the subsymbolic framework, as overlapping regions in the abstract space.âFFFACD
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Front-end Assumption is dubious »
Front-end Assumption is dubious
Front-end Assumption is dubiousâModels that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.âFFFACD
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The ELIZA effect »
The ELIZA effect
The ELIZA effectâThe ELIZA effect is a tendency to read more into computer performance than is warranted by their underlying codeâe.g. the psychotherapy program ELIZA gives apparently sympathetic responses, but in fact is only utilizing a set of canned responses.âFFFACD
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Entered by:-
David Price
NodeID:
#2781
Node type:
Protagonist
Entry date (GMT):
7/20/2007 6:14:00 PM
Last edit date (GMT):
7/20/2007 6:14:00 PM
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