Read e-book online An Introduction to the Logic of the Sciences PDF

By Rom Harré (auth.)

ISBN-10: 1349171026

ISBN-13: 9781349171026

ISBN-10: 1349171042

ISBN-13: 9781349171040

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Example text

We are commonly satisfied with much less by way of explanation. Most of the things we are puzzled about can be explained either by citing particular antecedent happenings or by the use of simple analogies. Unified explanations, explanatory theories, are the beginnings of science. Any further development of the theory of explanation must be postponed to Chapter Four. In that chapter we shall apply the insight we have gained into simple explanations to the vastly more complicated structures that are used by scientists to account for things that happen.

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To this feature of changing states there is also an algebraic analogue, the function of variables. For example the variables x andy can vary in infinitely many ways with respect to each other, one such way being represented by the function y = 2x An analogue in a physical system can easily be imagined. For example the blowing up of a cylindrical balloon which is made in such a way that the length is always twice the diameter provides an analogy. The change of state of the system 'balloon' can be represented by the above function if y is taken as the lengthvariable and x as the diameter-variable.

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An Introduction to the Logic of the Sciences by Rom Harré (auth.)


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