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Intelligence has two parts, which we shall call the epistemological and the heuristic. The epistemological part is the representation of the world in such a form that the solution of problems follows from the facts expressed in the representation. The heuristic part is the mechanism that on the basis of the information solves the problem and decides what to do.
[...]
The right way to think about the general problems of metaphysics and epistemology is not to attempt to clear one's own mind of all knowledge and start with 'Cogito ergo sum' and build up from there. Instead, we propose to use all of our knowledge to construct a computer program that knows. The correctness of our philosophical system will be tested by numerous comparisons between the beliefs of the program and our own observations and knowledge.
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"Some Philosophical Problems from the Standpoint of Artificial Intelligence", Sect. 2.1, Machine Intelligence 4, ed. Donald Michie (Elsevier, 1969), p. 463 ff., ISBN 0444197443

 

John McCarthy

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The reciprocal relationship of epistemology and science is of noteworthy kind. They are dependent on each other. Epistemology without contact with science becomes an empty scheme. Science without epistemology is — insofar as it is thinkable at all — primitive and muddled. However, no sooner has the epistemologist, who is seeking a clear system, fought his way through to such a system, than he is inclined to interpret the thought-content of science in the sense of his system and to reject whatever does not fit into his system. The scientist, however, cannot afford to carry his striving for epistemological systematic that far. He accepts gratefully the epistemological conceptual analysis; but the external conditions, which are set for him by the facts of experience, do not permit him to let himself be too much restricted in the construction of his conceptual world by the adherence to an epistemological system. He therefore must appear to the systematic epistemologist as a type of unscrupulous opportunist: he appears as realist insofar as he seeks to describe a world independent of the acts of perception; as idealist insofar as he looks upon the concepts and theories as free inventions of the human spirit (not logically derivable from what is empirically given); as positivist insofar as he considers his concepts and theories justified only to the extent to which they furnish a logical representation of relations among sensory experiences. He may even appear as Platonist or Pythagorean insofar as he considers the viewpoint of logical simplicity as an indispensible and effective tool of his research.

 

Albert Einstein

 

All the time we find ourselves in situations where people know things about the program, but they can't apply that knowledge to the program. Why? Because the knowledge runs counter to some organizational decision that was made before they had that knowledge. In other words, the program becomes resistant to that collection of knowledge.

 

Ward Cunningham

 

Machines as simple as thermostats can be said to have beliefs, and having beliefs seems to be a characteristic of most machines capable of problem solving performance. However, the machines mankind has so far found it useful to construct rarely have beliefs about beliefs, although such beliefs will be needed by computer programs that reason about what knowledge they lack and where to get it. Mental qualities peculiar to human-like motivational structures , such as love and hate, will not be required for intelligent behavior, but we could probably program computers to exhibit them if we wanted to, because our common sense notions about them translate readily into certain program and data structures. Still other mental qualities, e.g. humor and appreciation of beauty, seem much harder to model.

 

John McCarthy

 

It is likely that the emphasis upon the metaphysical and epistemological implications of the sociology of knowledge can be traced, in part, to the fact that the first proponents of this discipline stemmed largely from philosophical rather than scientific circles. The burden of further research is to turn from this welter of conflicting opinion to empirical investigations which may establish in adequate detail the uniformities pertaining to the appearance, acceptance and diffusion, or rejection and repression, development and consequences of knowledge and ideas.

 

Robert K. Merton

 

Knowledge is a collection of facts. Wisdom is the use of knowledge. Without facts there is no knowledge. Without knowledge there is no wisdom. Facts prevent what nothing can cure. Facts are Man's best defense mechanism. Without them men fumble, falter and fail. Without them nations decline and fall. Wisdom wins wars before they start. Knowledge aborts national hostilities. Wisdom obviates racial antipathies. Knowledge effaces religious animosities. Emancipation from bigotry prefaces peace. Intolerance takes all and gives nothing. Peace rewards reciprocal respect and regard. To all Men of Good Will, "Pax Vobiscum!"

 

Benjamin H. Freedman