Philosophy Dictionary of ArgumentsHome | |||
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Abstraction: Subsumption of objects by non-consideration of certain properties. See also equivalence relation, concretion, concreta, indiscernibility._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. | |||
Author | Concept | Summary/Quotes | Sources |
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G. Frege on Abstraction - Dictionary of Arguments
Stuhlmann-Laeisz II 49 Definition abstraction/Frege/St: abstraction is a process to identify each other in the various elements of a region, e.g. same color, same size, same shape. New objects are gained by abstraction of the partial identity. ((s) Such objects which are only about numerical equality or color identity are individuated.) If A is such an abstraction, then there is by definition a (base) object a, so that the following is true: A is the F of a. --- Thiel I 131 Abstraction/Mathematics/Frege/Thiel: abstraction is a purely logical process, an operation with statements, the logical character of which is revealed by the change from the structure of the complicated initial statement to the structure of the new statement. Frege understood this first. Tere are statements not only about numbers, but also about sets, functions, concepts, situations, meaning and truth value of a statement, about structures. I 133 Numbers/digits/number names/names/mathematics/Thiel: the philosophical punch line of the transition from general statements via digits to arithmetic statements is that although we have introduced the speech about numbers in addition to the speech about digits, it is still a form of speech, a facon de parler, whose possibility does not depend on the fact that there are still abstract objects beyond the concrete digits, which we call "numbers". >Numerals. I 134 We also had no reason to conceive the digits as "names" of numbers, so that 4, IV, and |||| would denote the same number four, as it was assumed in the traditional philosophy of numbers. >Numbers._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition. |
F I G. Frege Die Grundlagen der Arithmetik Stuttgart 1987 F II G. Frege Funktion, Begriff, Bedeutung Göttingen 1994 F IV G. Frege Logische Untersuchungen Göttingen 1993 SL I R. Stuhlmann Laeisz Philosophische Logik Paderborn 2002 Stuhlmann II R. Stuhlmann-Laeisz Freges Logische Untersuchungen Darmstadt 1995 T I Chr. Thiel Philosophie und Mathematik Darmstadt 1995 |