Empiricism, Semantics, and Ontology. Rudolph Carnap. [In this essay Carnap is concerned with the question of the “reality” of the sorts of what he calls “abstract. Rudolf Carnap’s article “Empiricism, Semantics, and Ontology” deals with the implications of accepting language which refers to abstract entities. Empiricists. Carnap, “Empiricism, Semantics, and Ontology”. Major Premise: Accepting the existence abstract entities involves a pragmatic decision to use a certain linguistic.

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Each point is an ordered quadruple of four real numbers, called its coordinates, of three spatial and one temporal coordinate. Nevertheless, we may regard it as catnap matter of decision in this sense: The physical state of a space-time point is described either with the help of qualitative predicates, such as ‘hot’, or by ascribing numbers as values of a physical magnitude such as mass, temperature, etc. Above all, it must not be interpreted as referring to an assumption, belief, or assertion of “the reality of the entities.

Empiricism, Semantics, and Ontology. —

The acceptance or rejection of abstract linguistic forms, just as the acceptance or rejection of any other linguistic forms in any branch empricism science, will finally be decided by ontilogy efficiency as instruments, the ratio empificism the results achieved to the amount and complexity of the efforts required. Rudolf Carnap – – Revue Internationale de Philosophie 4 They emphasize a distinction between the data that which is immediately given in consciousness, e.

A true answer is either factually true, using empirical methods of analysis, or analytic, using logical methods. We disregard here the fact that the rules of English grammar require not a sentence but a that-clause as the subject of another sentence; accordingly instead of semahtics we should have to say “That Chicago is large is a proposition.


If, however, a reader should find these explanations more puzzling than clarifying, or even unacceptable, he may disregard them” p. It is not a question simply of yes or no, but a matter of degree. This is one of the main tasks of a pure, as distinguished from a psychological, epistemology.

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The latter fact shows that the occurrence of constants of the type in question — regarded as names of entities of the new kind after the new framework is introduced — is not a sure sign of the acceptance of the new kind of entities.

From these questions we must distinguish the external question of the reality of the thing world itself. More probably he will just speak about all these ontoolgy like anybody else but with an uneasy conscience, like a man who in his everyday life does with qualms many things which are not in accord with the high moral principles he professes on Sundays.

While “Fido” is a name, expressions like “red,” “five,” etc. Linguistic Convention and Worldly Fact: The thing language in the customary form works indeed with a high degree empiriciism efficiency for most purposes of everyday life.

The fact that they regard a semantical method involving abstract entities not merely as doubtful and perhaps wrong, but as manifestly absurd, preposterous and grotesque, and that they show a deep horror and indignation against this method, is perhaps to be explained by a misinterpretation of the kind described.

Since these empiricists found no abstract entities within the realm of sense-data, they either denied their existence, or else made a futile attempt to define universals in terms of particulars.

Rudolf Carnap, Empiricism, Semantics, and Ontology. — – PhilPapers

He might, for example, tell him to imagine the atoms of a gas as small balls rushing around with great speed, or the electromagnetic field and its oscillations as quasi-elastic tensions and vibrations in an ether. Carnap and Ontological Pluralism.


Are there properties classes, numbers, propositions? The restriction to rational coordinates would not be in conflict with any experimental knowledge we have, because the result farnap any measurement is a rational number.

Carnap on Abstract and Theoretical Entities. Here again a new type of variables is introduced, expressions substitutable for them e. Andrew Higgins – manuscript. Internal Realism in Metaphysics. It is important to notice that the system of rules for the linguistic expressions of the propositional framework of which only a few rules have here been briefly indicated is sufficient for the introduction of the framework. If certain events allegedly observed in spiritualistic seances, e.

notes on “Empiricism, Semantics and Ontology”

John Stuart Mill, Frege, and Russell. Thus the question of the admissibility of entities of empiricims certain type or of abstract entities in general as designata is reduced to the question of the acceptability of the linguistic framework for those entities.

On Quine on Carnap on Ontology. The third may mean “There are propositions” – which can be analytic, but if meant in an external sense, it empiriicism, according to Carnap, non-cognitive. It seems to me due to a neglect of this important distinction that some contemporary nominalists label the admission of variables of abstract types as “Platonism. This does, of course, not prove the case. The use of three spatial coordinates is not forced on us, but is strongly suggested by common observation.

And now we must distinguish two kinds of questions of existence:

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