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CHOICE OF SCHEME FOR CLASSIFICATION - Indian Statistical ...

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Preliminaries<br />

had cultivated an emotional aversion to Colon Classification, without gaining any<br />

experience with it and even without haying read the scheme and the literature which had<br />

grown around it. Das Gupta knew this. He knew also that two librarians had been doing<br />

some propaganda in the matter. He explained this as the reason for his not disclosing the<br />

names of the two schemes to the professors until they made the choice.<br />

1. General<br />

In any comparison of Schemes for Classification, clarity and consistency will be<br />

gained and fault in communication will be minimised, if start is made with<br />

1. Definition of the term 'Classification';<br />

2. Concept of Class Number as a translation of the name of a subject from a natural<br />

language to a preferred ordinal language;<br />

3. Making unique the name of a subject in the preferred ordinal language - that is,<br />

making its Class Number unique;<br />

4. Providing for the approach of the minority of readers not by changing Class<br />

Numbers but by other means; and<br />

5. Purpose to be served by classification.<br />

DEFINITION <strong>OF</strong> THE TERM ‘<strong>CLASSIFICATION</strong>’<br />

The term 'Classification' should not be taken in the sense of<br />

1 Either merely as a division of the Universe of Subjects into near-homogeneous<br />

groups of subjects;<br />

2. Or merely as division into groups plus arrangement of the groups in a preferred<br />

helpful sequence.<br />

The term 'Classification' should be taken to include also the representation of each<br />

group of subjects - that is, each subject or each subject-complex of any possible degree of<br />

intension - by a unique ordinal number of its own. This is necessary to re-insert, in its<br />

correct place, any book taken out of the shelves or any entry taken out of the classified<br />

part of the catalogue (44, 47). It is believed that there is no difference of opinion on this<br />

today.<br />

Concept of Class Number<br />

The definition of the term 'Classification', given in the preceding section, is<br />

equivalent to the concept that Class Number is a unique translation of the name of a<br />

subject in a natural language into the preferred Classificatory Language of ordinal<br />

numbers. In this view, the system of all the Class Numbers of a Scheme for<br />

Classification, taken together, may be deemed to be a Classificatory Language (55). This

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